steel section capacities bs 5950 spreadsheet
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BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
5920 5920 5920 5920 5920 5920 5920 5920 5920 5920 5920
n/a 530 530 530 530 530 530 530 530 530 530 530
1 5920 5830 5590 5180 4610 3900 3150 2390 1610 811 0
530 530 530 530 530 530 530 528 397 221 0
5290 5290 5290 5290 5290 5290 5290 5290 5290 5290 5290
n/a 470 470 470 470 470 470 470 470 470 470 470
1 5290 5220 5000 4630 4120 3480 2810 2130 1430 722 0
470 470 470 470 470 470 470 469 353 197 0
4730 4730 4730 4730 4730 4730 4730 4730 4730 4730 4730
n/a 414 414 414 414 414 414 414 414 414 414 414
1 4730 4660 4470 4140 3680 3110 2510 1900 1270 642 0
414 414 414 414 414 414 414 414 314 175 0
4400 4400 4400 4400 4400 4380 4370 4360 4350 4310 $
0.986 389 389 389 389 389 389 389 389 389 389 $
0.405 4400 4330 4150 3840 3400 - - - - - -
389 389 389 389 389 - - - - - -
3940 3940 3940 3940 3800 3750 3710 3650 3520 2740 $
0.845 344 344 344 344 344 344 344 344 344 230 $
0.343 3940 3880 3710 3440 - - - - - - -
344 344 344 344 - - - - - - -
3400 3400 3400 3300 3140 3090 3020 1780 1780 1780 $
0.662 297 297 297 297 297 297 297 148 148 148 $
0.258 3400 3350 3210 - - - - - - - -
297 297 297 - - - - - - - -
3010 3010 3010 2960 2790 2720 2660 1560 1560 $ $
0.662 249 249 249 249 249 249 249 125 125 $ $
0.282 3010 2970 2850 - - - - - - - -
249 249 249 - - - - - - - -
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
1016x305x487 # + Mcx
Pz = Agpy = 15800 Mcy
Mrx
Mry
1016x305x437 # + Mcx
Pz = Agpy = 14200 Mcy
Mrx
Mry
1016x305x393 # + Mcx
Pz = Agpy = 12800 Mcy
Mrx
Mry
1016x305x349 # + Mcx
Pz = Agpy = 11800 Mcy
Mrx
Mry
1016x305x314 # + Mcx
Pz = Agpy = 10600 Mcy
Mrx
Mry
1016x305x272 # + Mcx
Pz = Agpy = 9200 Mcy
Mrx
Mry
1016x305x249 # + Mcx
Pz = Agpy = 8400 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Mcx 2600 2600 2600 2570 2400 2310 2250 1260 1260 $ $
0.627 Mcy 202 202 202 202 202 202 202 95.1 95.1 $ $
0.287 Mrx 2600 2570 2470 - - - - - - - -
Mry 202 202 202 - - - - - - - -
Mcx 4680 4680 4680 4680 4680 4680 4680 4680 4680 4680 4680
n/a Mcy 687 687 687 687 687 687 687 687 687 687 687
1 Mrx 4680 4610 4380 4000 3480 2920 2350 1770 1190 599 0
Mry 687 687 687 687 687 687 687 627 462 253 0
Mcx 4100 4100 4100 4100 4090 4080 4080 4070 4060 4020 $
0.983 Mcy 595 595 595 595 595 595 595 595 595 595 $
0.348 Mrx 4100 4040 3840 3520 - - - - - - -
Mry 595 595 595 595 - - - - - - -
Mcx 3330 3330 3330 3330 3330 3270 3260 3240 3200 3080 $
0.946 Mcy 322 322 322 322 322 322 322 322 322 322 $
0.411 Mrx 3330 3290 3150 2920 2590 - - - - - -
Mry 322 322 322 322 322 - - - - - -
Mcx 2900 2900 2900 2900 2780 2710 2680 2610 1840 1840 $
0.783 Mcy 277 277 277 277 277 277 277 277 169 169 $
0.335 Mrx 2900 2860 2740 2540 - - - - - - -
Mry 277 277 277 277 - - - - - - -
Mcx 2530 2530 2530 2520 2370 2300 2250 1350 1350 1350 $
0.679 Mcy 235 235 235 235 235 235 235 121 121 121 $
0.295 Mrx 2530 2490 2390 - - - - - - - -
Mry 235 235 235 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECT
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
1016x305x222 # +
Pz = Agpy = 7500
914x419x388 #
Pz = Agpy = 13100
914x419x343 #
Pz = Agpy = 11600
914x305x289 #
Pz = Agpy = 9750
914x305x253 #
Pz = Agpy = 8560
914x305x224 #
Pz = Agpy = 7580
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
2210 2210 2210 2180 2050 1970 1920 1060 1060 $ $
0.62 197 197 197 197 197 197 197 91.7 91.7 $ $
0.281 2210 2180 2100 - - - - - - - -
197 197 197 - - - - - - - -
2430 2430 2430 2430 2320 2280 2250 2200 1570 1570 $
0.792 246 246 246 246 246 246 246 246 152 152 $
0.326 2430 2390 2290 2120 - - - - - - -
246 246 246 246 - - - - - - -
2020 2020 2020 2010 1900 1840 1810 1090 1090 1090 $
0.68 197 197 197 197 197 197 197 102 102 102 $
0.292 2020 2000 1910 - - - - - - - -
197 197 197 - - - - - - - -
1800 1800 1800 1770 1670 1610 1570 876 876 $ $
0.623 170 170 170 170 170 170 170 79.5 79.5 $ $
0.277 1800 1780 1710 - - - - - - - -
170 170 170 - - - - - - - -
1900 1900 1900 1900 1870 1840 1820 1800 1760 1420 $
0.89 194 194 194 194 194 194 194 194 194 139 $
0.374 1900 1870 1790 1660 - - - - - - -
194 194 194 194 - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
914x305x201 # Mcx
Pz = Agpy = 6780 Mcy
Mrx
Mry
838x292x226 # Mcx
Pz = Agpy = 7660 Mcy
Mrx
Mry
838x292x194 # Mcx
Pz = Agpy = 6550 Mcy
Mrx
Mry
838x292x176 # Mcx
Pz = Agpy = 5940 Mcy
Mrx
Mry
762x267x197 Mcx
Pz = Agpy = 6650 Mcy
Mrx
Mry
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
1640 1640 1640 1640 1580 1530 1510 1480 1030 1030 $
0.774 163 163 163 163 163 163 163 163 98.3 98.3 $
0.334 1640 1620 1550 1440 - - - - - - -
163 163 163 163 - - - - - - -
1370 1370 1370 1350 1270 1230 1200 685 685 $ $
0.64 131 131 131 131 131 131 131 63 63 $ $
0.282 1370 1350 1290 - - - - - - - -
131 131 131 - - - - - - - -
1280 1280 1280 1220 1150 1120 541 541 541 $ $
0.55 119 119 119 119 119 119 48.7 48.7 48.7 $ $
0.24 1280 1260 1210 - - - - - - - -
119 119 119 - - - - - - - -
1490 1490 1490 1490 1480 1470 1460 1450 1430 1380 $
0.941 165 165 165 165 165 165 165 165 165 165 $
0.384 1490 1470 1410 1300 - - - - - - -
165 165 165 165 - - - - - - -
1330 1330 1330 1330 1270 1250 1240 1220 1170 886 $
0.812 145 145 145 145 145 145 145 145 145 92.2 $
0.331 1330 1310 1250 1150 - - - - - - -
145 145 145 145 - - - - - - -
1210 1210 1210 1210 1140 1120 1100 1070 713 713 $
0.732 130 130 130 130 130 130 130 130 73.1 73.1 $
0.301 1210 1190 1140 1060 - - - - - - -
130 130 130 130 - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
762x267x173 Mcx
Pz = Agpy = 5830 Mcy
Mrx
Mry
762x267x147 Mcx
Pz = Agpy = 4960 Mcy
Mrx
Mry
762x267x134 Mcx
Pz = Agpy = 4700 Mcy
Mrx
Mry
686x254x170 Mcx
Pz = Agpy = 5750 Mcy
Mrx
Mry
686x254x152 Mcx
Pz = Agpy = 5140 Mcy
Mrx
Mry
686x254x140 Mcx
Pz = Agpy = 4720 Mcy
Mrx
Mry
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
1060 1060 1060 1040 987 961 941 554 554 $ $
0.663 110 110 110 110 110 110 110 55.1 55.1 $ $
0.283 1060 1040 1000 - - - - - - - -
110 110 110 - - - - - - - -
1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980
n/a 323 323 323 323 323 323 323 323 323 323 323
1 1980 1950 1850 1690 1460 1230 990 748 503 253 0
323 323 323 323 323 323 323 288 211 115 0
1470 1470 1470 1470 1470 1470 1470 1470 1470 1470 1470
n/a 236 236 236 236 236 236 236 236 236 236 236
1 1470 1450 1370 1250 1080 909 732 552 370 186 0
236 236 236 236 236 236 236 213 156 85.5 0
1220 1220 1220 1200 1180 1170 1160 1140 1110 864 $
0.836 194 194 194 194 194 194 194 194 194 128 $
0.274 1220 1200 1140 - - - - - - - -
194 194 194 - - - - - - - -
1100 1100 1100 1100 1090 1090 1080 1080 1070 1040 $
0.962 124 124 124 124 124 124 124 124 124 124 $
0.386 1100 1080 1030 953 - - - - - - -
124 124 124 124 - - - - - - -
974 974 974 974 937 927 918 902 870 669 $
0.828 109 109 109 109 109 109 109 109 109 71.3 $
0.332 974 960 918 847 - - - - - - -
109 109 109 109 - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
869 869 869 869 822 808 795 774 520 520 $
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
686x254x125 Mcx
Pz = Agpy = 4210 Mcy
Mrx
Mry
610x305x238 Mcx
Pz = Agpy = 8030 Mcy
Mrx
Mry
610x305x179 Mcx
Pz = Agpy = 6040 Mcy
Mrx
Mry
610x305x149 Mcx
Pz = Agpy = 5040 Mcy
Mrx
Mry
610x229x140 Mcx
Pz = Agpy = 4720 Mcy
Mrx
Mry
610x229x125 Mcx
Pz = Agpy = 4210 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
610x229x113 Mcx
0.739 95.7 95.7 95.7 95.7 95.7 95.7 95.7 95.7 54.4 54.4 $
0.3 869 857 820 - - - - - - - -
95.7 95.7 95.7 - - - - - - - -
792 792 792 776 736 718 703 407 407 $ $
0.65 84.5 84.5 84.5 84.5 84.5 84.5 84.5 41.4 41.4 $ $
0.273 792 781 749 - - - - - - - -
84.5 84.5 84.5 - - - - - - - -
847 847 847 847 847 847 847 847 847 847 847
n/a 102 102 102 102 102 102 102 102 102 102 102
1 847 834 797 734 646 540 435 329 221 111 0
102 102 102 102 102 102 102 96.9 72.1 39.8 0
749 749 749 749 747 747 746 745 743 738 $
0.988 88.7 88.7 88.7 88.7 88.7 88.7 88.7 88.7 88.7 88.7 $
0.392 749 738 705 650 - - - - - - -
88.7 88.7 88.7 88.7 - - - - - - -
692 692 692 692 673 670 665 658 642 518 $
0.885 81.4 81.4 81.4 81.4 81.4 81.4 81.4 81.4 81.4 57.9 $
0.348 692 682 651 600 - - - - - - -
81.4 81.4 81.4 81.4 - - - - - - -
649 649 649 649 617 609 601 587 410 410 $
0.772 75.2 75.2 75.2 75.2 75.2 75.2 75.2 75.2 45.1 45.1 $
0.307 649 640 612 565 - - - - - - -
75.2 75.2 75.2 75.2 - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
566 566 566 564 533 521 512 497 321 321 $
0.709 63.4 63.4 63.4 63.4 63.4 63.4 63.4 63.4 34.3 34.3 $
0.295 566 558 535 - - - - - - - -
63.4 63.4 63.4 - - - - - - - -
Pz = Agpy = 3820 Mcy
Mrx
Mry
610x229x101 Mcx
Pz = Agpy = 3550 Mcy
Mrx
Mry
533x210x122 Mcx
Pz = Agpy = 4110 Mcy
Mrx
Mry
533x210x109 Mcx
Pz = Agpy = 3680 Mcy
Mrx
Mry
533x210x101 Mcx
Pz = Agpy = 3420 Mcy
Mrx
Mry
533x210x92 Mcx
Pz = Agpy = 3220 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
533x210x82 Mcx
Pz = Agpy = 2890 Mcy
Mrx
Mry
591 591 591 591 591 591 591 591 591 591 591
n/a 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3
1 591 582 555 510 445 373 301 227 153 76.8 0
77.3 77.3 77.3 77.3 77.3 77.3 77.3 72 53.3 29.3 0
534 534 534 534 534 534 534 534 534 534 534
n/a 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3 69.3
1 534 526 501 460 404 339 273 206 138 69.5 0
69.3 69.3 69.3 69.3 69.3 69.3 69.3 65.1 48.2 26.6 0
504 504 504 504 498 497 496 494 490 477 $
0.957 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.7 64.7 $
0.37 504 496 473 436 - - - - - - -
64.7 64.7 64.7 64.7 - - - - - - -
455 455 455 455 436 433 429 422 407 313 $
0.825 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1 37.8 $
0.312 455 448 427 393 - - - - - - -
58.1 58.1 58.1 58.1 - - - - - - -
405 405 405 403 382 378 373 364 248 248 $
0.751 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 29.3 29.3 $
0.293 405 399 381 - - - - - - - -
50.5 50.5 50.5 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
480 480 480 480 480 480 480 480 480 480 480
n/a 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7
1 480 473 452 417 369 312 252 190 128 64.3 0
48.7 48.7 48.7 48.7 48.7 48.7 48.7 47.4 35.5 19.7 0
431 431 431 431 428 423 422 419 413 397 $
0.94 43.2 43.2 43.2 43.2 43.2 43.2 43.2 43.2 43.2 43.2 $
0.386 431 425 407 376 - - - - - - -
43.2 43.2 43.2 43.2 - - - - - - -
457x191x98 Mcx
Pz = Agpy = 3310 Mcy
Mrx
Mry
457x191x89 Mcx
Pz = Agpy = 3020 Mcy
Mrx
Mry
457x191x82 Mcx
Pz = Agpy = 2860 Mcy
Mrx
Mry
457x191x74 Mcx
Pz = Agpy = 2600 Mcy
Mrx
Mry
457x191x67 Mcx
Pz = Agpy = 2350 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
457x152x82 Mcx
Pz = Agpy = 2780 Mcy
Mrx
Mry
457x152x74 Mcx
Pz = Agpy = 2500 Mcy
Mrx
Mry
400 400 400 400 386 379 375 368 353 271 $
0.825 39.3 39.3 39.3 39.3 39.3 39.3 39.3 39.3 39.3 25.5 $
0.345 400 394 377 349 - - - - - - -
39.3 39.3 39.3 39.3 - - - - - - -
354 354 354 350 331 324 318 195 195 195 $
0.692 34.3 34.3 34.3 34.3 34.3 34.3 34.3 18.1 18.1 18.1 $
0.285 354 349 334 - - - - - - - -
34.3 34.3 34.3 - - - - - - - -
301 301 301 294 278 269 263 145 145 $ $
0.619 27.9 27.9 27.9 27.9 27.9 27.9 27.9 12.9 12.9 $ $
0.268 301 297 285 - - - - - - - -
27.9 27.9 27.9 - - - - - - - -
413 413 413 413 413 413 413 413 413 413 413
n/a 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8 56.8
1 413 406 387 355 310 260 209 158 106 53.3 0
56.8 56.8 56.8 56.8 56.8 56.8 56.8 52.7 39 21.4 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
370 370 370 370 367 367 366 365 362 355 $
0.965 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5 $
0.357 370 364 347 319 - - - - - - -
50.5 50.5 50.5 50.5 - - - - - - -
330 330 330 329 316 314 311 306 295 225 $
0.815 44.6 44.6 44.6 44.6 44.6 44.6 44.6 44.6 44.6 28.5 $
0.296 330 325 309 - - - - - - - -
44.6 44.6 44.6 - - - - - - - -
290 290 290 290 276 273 270 264 187 187 $
0.782 38 38 38 38 38 38 38 38 23.1 23.1 $
457x152x67 Mcx
Pz = Agpy = 2350 Mcy
Mrx
Mry
457x152x60 Mcx
Pz = Agpy = 2100 Mcy
Mrx
Mry
457x152x52 Mcx
Pz = Agpy = 1830 Mcy
Mrx
Mry
406x178x74 Mcx
Pz = Agpy = 2600 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
406x178x67 Mcx
Pz = Agpy = 2350 Mcy
Mrx
Mry
406x178x60 Mcx
Pz = Agpy = 2100 Mcy
Mrx
Mry
406x178x54 Mcx
Pz = Agpy = 1900 Mcy
0.305 290 286 273 252 - - - - - - -
38 38 38 38 - - - - - - -
244 244 244 235 225 221 216 122 122 $ $
0.632 25 25 25 25 25 25 25 11.9 11.9 $ $
0.247 244 241 230 - - - - - - - -
25 25 25 - - - - - - - -
199 199 199 190 181 176 87.3 87.3 87.3 $ $
0.565 19.1 19.1 19.1 19.1 19.1 19.1 8.02 8.02 8.02 $ $
0.24 199 196 188 - - - - - - - -
19.1 19.1 19.1 - - - - - - - -
333 333 333 333 333 333 333 333 333 333 333
n/a 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8 51.8
1 333 328 311 283 246 206 166 126 84.3 42.4 0
51.8 51.8 51.8 51.8 51.8 51.8 51.8 46.7 34.3 18.8 0
278 278 278 278 278 278 278 278 278 278 278
n/a 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6
1 278 273 260 237 207 173 140 105 70.6 35.5 0
42.6 42.6 42.6 42.6 42.6 42.6 42.6 39 28.8 15.8 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
246 246 246 246 242 242 241 239 236 226 $
0.925 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3 $
0.326 246 242 231 211 - - - - - - -
37.3 37.3 37.3 37.3 - - - - - - -
213 213 213 213 206 205 203 200 194 153 $
0.848 31.3 31.3 31.3 31.3 31.3 31.3 31.3 31.3 31.3 21.1 $
0.316 213 210 200 184 - - - - - - -
31.3 31.3 31.3 31.3 - - - - - - -
181 181 181 181 172 170 167 163 114 114 $
Mrx
Mry
406x140x46 Mcx
Pz = Agpy = 1610 Mcy
Mrx
Mry
406x140x39 Mcx
Pz = Agpy = 1370 Mcy
Mrx
Mry
356x171x67 Mcx
Pz = Agpy = 2350 Mcy
Mrx
Mry
356x171x57 Mcx
Pz = Agpy = 2000 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x171x51 Mcx
Pz = Agpy = 1780 Mcy
Mrx
Mry
356x171x45 Mcx
Pz = Agpy = 1580 Mcy
Mrx
Mry
356x127x39 Mcx
0.771 18.7 18.7 18.7 18.7 18.7 18.7 18.7 18.7 11.2 11.2 $
0.308 181 179 171 158 - - - - - - -
18.7 18.7 18.7 18.7 - - - - - - -
149 149 149 146 139 135 132 77.2 77.2 $ $
0.655 14.8 14.8 14.8 14.8 14.8 14.8 14.8 7.29 7.29 $ $
0.274 149 147 141 - - - - - - - -
14.8 14.8 14.8 - - - - - - - -
233 233 233 233 233 233 233 233 233 233 233
n/a 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9 41.9
1 233 229 216 196 169 142 114 86.3 57.9 29.2 0
41.9 41.9 41.9 41.9 41.9 41.9 41.9 36.7 26.8 14.6 0
198 198 198 198 198 198 198 198 198 198 198
n/a 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6 35.6
1 198 194 184 166 143 120 96.7 73 48.9 24.6 0
35.6 35.6 35.6 35.6 35.6 35.6 35.6 31.1 22.7 12.4 0
171 171 171 168 166 166 165 163 159 126 $
0.857 30.6 30.6 30.6 30.6 30.6 30.6 30.6 30.6 30.6 20.9 $
0.261 171 168 159 - - - - - - - -
30.6 30.6 30.6 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
196 196 196 196 196 196 196 196 196 196 196
n/a 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3 24.3
1 196 193 184 170 150 126 101 76.7 51.5 26 0
24.3 24.3 24.3 24.3 24.3 24.3 24.3 23.4 17.4 9.62 0
169 169 169 169 169 169 169 169 169 169 169
n/a 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7
1 169 166 159 147 130 109 87.7 66.2 44.5 22.4 0
20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.1 15 8.32 0
148 148 148 148 148 148 148 148 148 148 148
n/a 18 18 18 18 18 18 18 18 18 18 18
1 148 146 140 129 114 95.7 77 58.1 39 19.6 0
18 18 18 18 18 18 18 17.6 13.2 7.29 0
Pz = Agpy = 1370 Mcy
Mrx
Mry
356x127x33 Mcx
Pz = Agpy = 1160 Mcy
Mrx
Mry
305x165x54 Mcx
Pz = Agpy = 1890 Mcy
Mrx
Mry
305x165x46 Mcx
Pz = Agpy = 1610 Mcy
Mrx
Mry
305x165x40 Mcx
Pz = Agpy = 1410 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
305x127x48 Mcx
Pz = Agpy = 1680 Mcy
Mrx
Mry
305x127x42 Mcx
Pz = Agpy = 1470 Mcy
Mrx
Mry
305x127x37 Mcx
Pz = Agpy = 1300 Mcy
Mrx
Mry
132 132 132 132 132 130 129 128 126 121 $
0.935 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5 $
0.404 132 130 125 116 103 - - - - - -
12.5 12.5 12.5 12.5 12.5 - - - - - -
111 111 111 111 108 104 103 101 96 72.4 $
0.805 10.1 10.1 10.1 10.1 10.1 10.1 10.1 10.1 10.1 6.35 $
0.361 111 109 105 97.5 - - - - - - -
10.1 10.1 10.1 10.1 - - - - - - -
94.1 94.1 94.1 94.1 92.1 87 85.3 82.9 56.8 56.8 $
0.761 7.99 7.99 7.99 7.99 7.99 7.99 7.99 7.99 4.71 4.71 $
0.372 94.1 92.9 89.3 83.4 - - - - - - -
7.99 7.99 7.99 7.99 - - - - - - -
156 156 156 156 156 156 156 156 156 156 156
n/a 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4 30.4
1 156 153 144 130 112 94.3 76 57.4 38.6 19.4 0
30.4 30.4 30.4 30.4 30.4 30.4 30.4 26 18.9 10.3 0
133 133 133 133 133 133 133 133 133 133 133
n/a 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7
1 133 130 123 111 95.9 80.5 64.8 48.9 32.8 16.5 0
25.7 25.7 25.7 25.7 25.7 25.7 25.7 22.2 16.2 8.8 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
108 108 108 108 108 108 108 108 108 108 108
n/a 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2
1 108 106 101 91.8 79.7 66.8 53.7 40.5 27.1 13.6 0
20.2 20.2 20.2 20.2 20.2 20.2 20.2 18.3 13.4 7.35 0
97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1 97.1
n/a 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5
1 97.1 95.7 91.4 84.3 74.3 62.4 50.3 38 25.5 12.8 0
11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.2 8.35 4.62 0
84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2 84.2
n/a 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64
1 84.2 83 79.5 73.6 65.4 54.9 44.2 33.3 22.4 11.2 0
305x102x33 Mcx
Pz = Agpy = 1150 Mcy
Mrx
Mry
305x102x28 Mcx
Pz = Agpy = 987 Mcy
Mrx
Mry
305x102x25 Mcx
Pz = Agpy = 869 Mcy
Mrx
Mry
254x146x43 Mcx
Pz = Agpy = 1510 Mcy
Mrx
Mry
254x146x37 Mcx
Pz = Agpy = 1300 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
254x146x31 Mcx
Pz = Agpy = 1090 Mcy
Mrx
Mry
254x102x28 Mcx
Pz = Agpy = 993 Mcy
Mrx
Mry
254x102x25 Mcx
Pz = Agpy = 880 Mcy
Mrx
9.64 9.64 9.64 9.64 9.64 9.64 9.64 9.64 7.29 4.06 0
71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2
n/a 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76
1 71.2 70.3 67.4 62.7 56.1 47.6 38.3 28.9 19.3 9.73 0
7.76 7.76 7.76 7.76 7.76 7.76 7.76 7.76 6.24 3.52 0
86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4 86.4
n/a 19 19 19 19 19 19 19 19 19 19 19
1 86.4 84.8 80.1 72.2 62.5 52.4 42.2 31.9 21.4 10.8 0
19 19 19 19 19 19 19 16.4 12 6.51 0
71 71 71 71 71 71 71 71 71 71 71
n/a 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2
1 71 69.7 66 59.8 51.7 43.4 34.9 26.3 17.7 8.89 0
15.2 15.2 15.2 15.2 15.2 15.2 15.2 13.5 9.92 5.41 0
64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4 64.4
n/a 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6
1 64.4 63.2 59.9 54.4 47.2 39.6 31.9 24.1 16.2 8.16 0
10.6 10.6 10.6 10.6 10.6 10.6 10.6 9.47 6.95 3.8 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
47 47 47 47 47 47 47 47 47 47 47
n/a 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91
1 47 46.2 43.6 39.4 34.2 28.7 23.1 17.5 11.7 5.9 0
8.91 8.91 8.91 8.91 8.91 8.91 8.91 7.83 5.73 3.12 0
33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8
n/a 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67 6.67
1 33.8 33.2 31.3 28.2 24.4 20.5 16.5 12.5 8.38 4.22 0
6.67 6.67 6.67 6.67 6.67 6.67 6.67 5.77 4.22 2.29 0
23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2
n/a 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.85
1 23.2 22.7 21.3 19 16.4 13.8 11.1 8.42 5.66 2.86 0
4.85 4.85 4.85 4.85 4.85 4.85 4.85 4.06 2.96 1.6 0
Mry
254x102x22 Mcx
Pz = Agpy = 770 Mcy
Mrx
Mry
203x133x30 Mcx
Pz = Agpy = 1050 Mcy
Mrx
Mry
203x133x25 Mcx
Pz = Agpy = 880 Mcy
Mrx
Mry
203x102x23 Mcx
Pz = Agpy = 809 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
178x102x19 Mcx
Pz = Agpy = 668 Mcy
Mrx
Mry
152x89x16 Mcx
Pz = Agpy = 558 Mcy
Mrx
Mry
127x76x13 Mcx
Pz = Agpy = 454 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
1 15800 15800 15800 15800 15800 15800 15700 15600 15400 15300 15100 15000
14700 13200 11600 9930 8310 6890 5720 4780 4040 3450 2970 2580
1 5920 5820 5280 4770 4300 3890 3530 3220 2960 2730 2540 2370
5920 5920 5920 5800 5420 5020 4630 4230 3840 3480 3140 2840
1 14200 14200 14200 14200 14200 14200 14100 14000 13900 13800 13700 13600
13300 12200 10900 9370 7840 6470 5330 4430 3730 3160 2720 2350
1 5290 5170 4670 4190 3750 3360 3030 2750 2510 2310 2130 1990
5290 5290 5290 5170 4820 4470 4110 3750 3400 3070 2770 2500
1 12700 12800 12700 12800 12800 12800 12700 12600 12500 12400 12300 12200
11900 10900 9680 8310 6930 5700 4690 3890 3270 2770 2380 2060
1 4730 4590 4120 3670 3260 2900 2590 2330 2120 1940 1780 1650
4730 4730 4730 4590 4280 3960 3630 3310 2990 2700 2430 2190
0.986 11800 11800 11800 11800 11800 11800 11700 11700 11600 11500 11500 11400
11200 10400 9350 8080 6730 5500 4490 3710 3090 2610 2230 1930
0.986 3800 3750 3390 3040 2720 2420 2170 1950 1770 1620 1490 1380
3800 3800 3800 3680 3430 3170 2900 2640 2390 2150 1930 1740
0.405 4400 4240 3780 3350 2940 2590 2300 2050 1850 1680 1540 1420
4400 4400 4400 4250 3960 3660 3360 3050 2760 2490 2240 2010
0.845 10600 10600 10600 10600 10600 10600 10500 10500 10400 10400 10300 10200
10000 9310 8360 7200 5970 4860 3970 3270 2730 2300 1970 1700
0.845 3410 3350 3020 2690 2380 2110 1870 1670 1510 1370 1260 1160
3410 3410 3410 3290 3060 2830 2590 2350 2120 1910 1710 1540
0.343 3940 3770 3350 2950 2570 2250 1980 1750 1570 1420 1300 1190
3940 3940 3940 3790 3530 3260 2980 2710 2440 2200 1970 1770
0.662 9200 9200 9200 9200 9200 9200 9150 9100 9050 9000 8940 8890
8710 8070 7240 6230 5160 4200 3430 2820 2350 1990 1700 1470
0.662 2970 2900 2600 2300 2020 1770 1560 1380 1240 1120 1020 931
2970 2970 2970 2860 2660 2450 2240 2030 1830 1650 1480 1330
0.258 3400 3250 2870 2510 2170 1880 1640 1440 1280 1150 1050 956
3400 3400 3400 3270 3040 2810 2570 2330 2100 1890 1700 1530
0.662 8400 8400 8400 8400 8400 8390 8350 8300 8250 8200 8150 8100
7910 7280 6470 5480 4470 3610 2930 2400 2000 1680 1440 1240
0.662 2600 2520 2250 1970 1720 1490 1300 1140 1020 911 825 752
2600 2600 2600 2470 2290 2100 1900 1720 1540 1380 1230 1100
0.282 3010 2840 2490 2160 1850 1580 1370 1190 1050 940 848 772
3010 3010 3010 2850 2640 2420 2200 1980 1780 1590 1420 1270
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
1016x305x487 # + Pcx
Pz = Agpy = 15800 Pcy
pyZx = 5030 Mb
pyZy = 442 Mbs
1016x305x437 # + Pcx
Pz = Agpy = 14200 Pcy
pyZx = 4520 Mb
pyZy = 391 Mbs
1016x305x393 # + Pcx
Pz = Agpy = 12800 Pcy
pyZx = 4050 Mb
pyZy = 345 Mbs
* 1016x305x349 # + Pcx
Pz = Agpy = 11800 Pcy
pyZx = 3800 Mb
pyZy = 324 Mbs
Mb
Mbs
* 1016x305x314 # + Pcx
Pz = Agpy = 10600 Pcy
pyZx = 3410 Mb
pyZy = 287 Mbs
Mb
Mbs
* 1016x305x272 # + Pcx
Pz = Agpy = 9200 Pcy
pyZx = 2970 Mb
pyZy = 248 Mbs
Mb
Mbs
* 1016x305x249 # + Pcx
Pz = Agpy = 8400 Pcy
pyZx = 2600 Mb
pyZy = 208 Mbs
Mb
Mbs
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.627 7500 7500 7500 7500 7500 7480 7440 7400 7360 7310 7260 7220
7010 6410 5610 4670 3750 3000 2420 1980 1640 1380 1180 1010
0.627 2230 2130 1890 1640 1420 1220 1050 917 808 721 649 589
2230 2230 2230 2080 1910 1740 1570 1400 1250 1110 988 881
0.287 2600 2420 2100 1800 1520 1290 1100 954 837 743 667 604
2600 2600 2600 2420 2230 2030 1830 1640 1460 1290 1150 1030
1 13100 13100 13100 13100 13100 13100 13000 12900 12800 12800 12700 12600
12900 12400 11800 11100 10300 9420 8410 7400 6470 5640 4930 4330
1 4680 4680 4650 4320 3990 3680 3380 3100 2850 2620 2420 2240
4680 4680 4680 4680 4680 4620 4420 4210 3990 3780 3560 3340
0.983 11600 11600 11600 11600 11600 11600 11500 11400 11400 11300 11200 11100
11400 11000 10400 9820 9090 8250 7340 6440 5610 4890 4270 3740
0.983 3640 3640 3640 3410 3170 2930 2690 2480 2270 2090 1930 1790
3640 3640 3640 3640 3640 3580 3410 3250 3080 2910 2740 2560
0.348 4100 4100 4050 3750 3460 3170 2890 2640 2400 2200 2020 1860
4100 4100 4100 4100 4100 4030 3850 3660 3470 3280 3080 2890
0.946 9750 9750 9750 9750 9750 9720 9670 9610 9550 9490 9430 9360
9270 8610 7780 6740 5630 4620 3780 3120 2610 2200 1880 1630
0.946 2880 2850 2580 2300 2050 1810 1610 1440 1300 1180 1080 990
2880 2880 2880 2800 2610 2420 2220 2020 1830 1650 1490 1340
0.411 3330 3220 2870 2530 2220 1940 1700 1510 1350 1220 1110 1020
3330 3330 3330 3230 3020 2790 2560 2340 2110 1910 1720 1550
0.783 8560 8560 8560 8560 8560 8530 8480 8430 8380 8330 8270 8210
8120 7530 6780 5850 4860 3970 3250 2680 2230 1890 1610 1390
0.783 2520 2480 2230 1980 1740 1530 1350 1190 1070 961 873 799
2520 2520 2520 2430 2270 2090 1920 1740 1580 1420 1280 1150
0.335 2900 2780 2470 2160 1880 1630 1420 1250 1110 994 900 822
2900 2900 2900 2800 2610 2410 2210 2010 1810 1630 1470 1320
0.679 7580 7580 7580 7580 7580 7550 7510 7460 7410 7370 7310 7260
7170 6620 5930 5080 4190 3400 2770 2280 1900 1600 1370 1180
0.679 2190 2140 1910 1690 1480 1280 1120 985 873 782 706 644
2190 2190 2190 2100 1950 1800 1640 1490 1340 1200 1080 966
0.295 2530 2410 2130 1850 1590 1360 1180 1030 905 807 727 661
2530 2530 2530 2420 2250 2070 1890 1710 1540 1380 1240 1110
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECT
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 1016x305x222 # + Pcx
Pz = Agpy = 7500 Pcy
pyZx = 2230 Mb
pyZy = 169 Mbs
Mb
Mbs
914x419x388 # Pcx
Pz = Agpy = 13100 Pcy
pyZx = 4140 Mb
pyZy = 573 Mbs
* 914x419x343 # Pcx
Pz = Agpy = 11600 Pcy
pyZx = 3640 Mb
pyZy = 496 Mbs
Mb
Mbs
* 914x305x289 # Pcx
Pz = Agpy = 9750 Pcy
pyZx = 2880 Mb
pyZy = 269 Mbs
Mb
Mbs
* 914x305x253 # Pcx
Pz = Agpy = 8560 Pcy
pyZx = 2520 Mb
pyZy = 231 Mbs
Mb
Mbs
* 914x305x224 # Pcx
Pz = Agpy = 7580 Pcy
pyZx = 2190 Mb
pyZy = 196 Mbs
Mb
Mbs
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.62 6780 6780 6780 6780 6780 6750 6710 6670 6630 6580 6540 6490
6380 5880 5210 4410 3600 2900 2350 1930 1600 1350 1150 996
0.62 1910 1850 1650 1440 1250 1080 932 813 717 638 573 520
1910 1910 1910 1810 1670 1530 1390 1260 1130 1010 899 804
0.281 2210 2090 1830 1580 1340 1140 977 847 742 658 590 533
2210 2210 2210 2100 1940 1780 1610 1460 1300 1170 1040 932
0.792 7660 7660 7660 7660 7660 7610 7560 7510 7460 7410 7350 7300
7240 6690 5990 5130 4230 3430 2800 2300 1920 1620 1380 1190
0.792 2120 2060 1850 1630 1430 1260 1100 979 875 790 718 659
2120 2120 2120 2030 1880 1740 1580 1430 1290 1160 1040 933
0.326 2430 2310 2040 1780 1540 1330 1160 1020 907 815 739 676
2430 2430 2430 2330 2160 1990 1820 1640 1480 1330 1190 1070
0.68 6550 6550 6550 6550 6540 6500 6460 6410 6370 6320 6270 6220
6160 5670 5030 4250 3460 2790 2260 1850 1540 1300 1110 958
0.68 1760 1700 1510 1320 1150 993 863 757 670 600 542 493
1760 1760 1760 1670 1540 1410 1280 1160 1040 925 826 739
0.292 2020 1910 1670 1440 1230 1050 904 787 693 618 556 506
2020 2020 2020 1920 1770 1630 1480 1330 1190 1060 951 851
0.623 5940 5940 5940 5940 5930 5890 5850 5810 5770 5730 5680 5630
5560 5100 4490 3750 3030 2430 1960 1610 1330 1120 958 826
0.623 1560 1500 1320 1150 992 852 735 640 564 502 451 409
1560 1560 1560 1460 1350 1230 1110 998 891 794 707 631
0.277 1800 1680 1470 1250 1060 899 769 665 583 517 463 419
1800 1800 1800 1690 1560 1420 1290 1150 1030 917 817 729
0.89 6650 6650 6650 6650 6620 6580 6530 6480 6430 6380 6320 6260
6200 5650 4920 4070 3250 2590 2080 1700 1410 1190 1010 871
0.89 1650 1560 1380 1210 1050 911 799 708 634 573 523 481
1650 1650 1650 1530 1400 1270 1140 1020 907 805 715 636
0.374 1900 1750 1520 1310 1120 961 836 736 656 591 537 493
1900 1900 1900 1760 1610 1460 1320 1170 1040 925 822 732
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 914x305x201 # Pcx
Pz = Agpy = 6780 Pcy
pyZx = 1910 Mb
pyZy = 165 Mbs
Mb
Mbs
* 838x292x226 # Pcx
Pz = Agpy = 7660 Pcy
pyZx = 2120 Mb
pyZy = 205 Mbs
Mb
Mbs
* 838x292x194 # Pcx
Pz = Agpy = 6550 Pcy
pyZx = 1760 Mb
pyZy = 164 Mbs
Mb
Mbs
* 838x292x176 # Pcx
Pz = Agpy = 5940 Pcy
pyZx = 1560 Mb
pyZy = 142 Mbs
Mb
Mbs
* 762x267x197 Pcx
Pz = Agpy = 6650 Pcy
pyZx = 1650 Mb
pyZy = 162 Mbs
Mb
Mbs
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.774 5830 5830 5830 5830 5800 5760 5720 5680 5630 5580 5530 5480
5420 4910 4250 3480 2760 2190 1750 1430 1190 997 849 731
0.774 1430 1340 1180 1020 873 751 652 573 509 457 415 379
1430 1430 1420 1310 1200 1080 969 861 762 674 598 531
0.334 1640 1500 1290 1100 928 790 680 594 525 470 425 388
1640 1640 1630 1510 1380 1250 1110 991 877 776 688 611
0.64 4960 4960 4960 4960 4930 4890 4860 4820 4780 4740 4690 4640
4580 4130 3530 2850 2240 1760 1410 1150 950 798 679 585
0.64 1180 1100 955 816 691 587 504 438 386 344 310 281
1180 1180 1160 1070 974 876 780 689 607 535 473 420
0.282 1370 1230 1050 880 733 616 524 453 397 353 317 288
1370 1370 1340 1230 1120 1010 899 795 700 617 546 484
0.55 4700 4700 4700 4700 4670 4640 4600 4570 4530 4490 4440 4390
4320 3870 3260 2590 2020 1580 1260 1020 844 708 602 518
0.55 1100 1010 873 738 619 521 443 383 335 297 266 241
1100 1100 1070 984 891 796 704 619 543 477 420 371
0.24 1280 1130 959 794 655 545 460 395 344 304 272 246
1280 1280 1240 1140 1030 920 814 715 627 551 485 429
0.941 5750 5750 5750 5750 5700 5660 5610 5560 5510 5460 5400 5330
5340 4830 4160 3390 2690 2130 1700 1390 1150 967 824 709
0.941 1300 1220 1070 930 805 700 614 545 489 443 405 373
1300 1300 1290 1190 1090 981 877 778 688 608 538 478
0.384 1490 1360 1170 1000 856 736 641 565 505 456 416 382
1490 1490 1480 1360 1240 1120 1000 891 788 697 617 548
0.812 5140 5140 5140 5140 5100 5060 5010 4970 4920 4870 4820 4760
4760 4300 3690 2990 2360 1860 1490 1210 1010 845 719 619
0.812 1160 1080 940 810 694 598 520 458 409 368 335 307
1160 1160 1140 1050 959 864 771 683 603 532 470 417
0.331 1330 1190 1030 870 735 627 541 474 421 378 343 314
1330 1330 1310 1200 1100 988 881 780 689 608 538 477
0.732 4720 4720 4720 4710 4670 4640 4600 4560 4510 4470 4420 4360
4360 3930 3350 2700 2120 1670 1340 1090 901 757 644 555
0.732 1060 975 848 726 618 529 458 401 356 319 289 264
1060 1060 1040 954 868 780 694 613 540 476 421 373
0.301 1210 1080 926 779 654 553 475 414 366 327 296 270
1210 1210 1190 1090 992 892 793 701 618 544 481 427
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 762x267x173 Pcx
Pz = Agpy = 5830 Pcy
pyZx = 1430 Mb
pyZy = 136 Mbs
Mb
Mbs
* 762x267x147 Pcx
Pz = Agpy = 4960 Pcy
pyZx = 1180 Mb
pyZy = 109 Mbs
Mb
Mbs
* 762x267x134 Pcx
Pz = Agpy = 4700 Pcy
pyZx = 1100 Mb
pyZy = 99.6 Mbs
Mb
Mbs
* 686x254x170 Pcx
Pz = Agpy = 5750 Pcy
pyZx = 1300 Mb
pyZy = 137 Mbs
Mb
Mbs
* 686x254x152 Pcx
Pz = Agpy = 5140 Pcy
pyZx = 1160 Mb
pyZy = 121 Mbs
Mb
Mbs
* 686x254x140 Pcx
Pz = Agpy = 4720 Pcy
pyZx = 1060 Mb
pyZy = 108 Mbs
Mb
Mbs
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.663 4210 4210 4210 4210 4170 4140 4100 4070 4030 3980 3940 3890
3870 3470 2930 2340 1820 1430 1140 925 765 642 546 470
0.663 922 843 728 617 520 441 378 329 290 258 233 212
922 922 898 822 745 666 589 518 455 400 352 312
0.283 1060 938 795 661 549 460 392 339 298 265 238 216
1060 1060 1030 944 854 764 676 595 522 459 404 358
1 8030 8030 8030 8000 7940 7870 7800 7730 7650 7560 7470 7360
7720 7260 6700 5990 5180 4370 3650 3050 2570 2180 1870 1620
1 1980 1980 1810 1640 1480 1340 1220 1110 1020 942 874 815
1980 1980 1980 1980 1870 1760 1640 1510 1390 1270 1160 1060
1 6040 6040 6040 6020 5970 5920 5860 5810 5740 5680 5600 5520
5800 5440 5000 4440 3820 3200 2660 2210 1860 1580 1350 1170
1 1470 1450 1310 1170 1040 924 823 737 665 605 554 511
1470 1470 1470 1460 1380 1290 1200 1100 1010 921 837 760
0.836 5040 5040 5040 5010 4970 4930 4880 4830 4780 4730 4660 4600
4830 4520 4150 3680 3150 2630 2180 1820 1520 1290 1110 960
0.836 1090 1090 985 884 787 698 619 552 496 449 409 376
1090 1090 1090 1080 1020 949 880 811 742 676 614 556
0.274 1220 1190 1070 953 838 736 648 574 513 462 420 385
1220 1220 1220 1210 1140 1060 984 906 829 755 686 622
0.962 4720 4720 4720 4690 4650 4610 4560 4520 4470 4410 4350 4280
4300 3810 3170 2480 1910 1490 1190 962 794 666 566 487
0.962 960 864 747 639 548 474 415 368 331 300 275 254
960 960 921 839 754 669 588 514 448 392 345 304
0.386 1100 957 813 684 578 495 431 381 341 308 282 259
1100 1100 1050 959 862 765 672 587 513 449 394 348
0.828 4210 4210 4210 4190 4150 4120 4080 4030 3990 3940 3880 3820
3830 3390 2800 2180 1680 1310 1040 841 694 582 494 425
0.828 854 762 654 554 470 403 350 309 275 249 227 208
854 854 816 742 665 589 516 450 392 343 301 266
0.332 974 842 709 591 494 420 362 318 283 255 232 213
974 974 931 846 759 672 589 514 448 391 343 303
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.739 3820 3820 3820 3790 3760 3720 3690 3650 3610 3560 3510 3450
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 686x254x125 Pcx
Pz = Agpy = 4210 Pcy
pyZx = 922 Mb
pyZy = 91.7 Mbs
Mb
Mbs
610x305x238 Pcx
Pz = Agpy = 8030 Pcy
pyZx = 1750 Mb
pyZy = 270 Mbs
610x305x179 Pcx
Pz = Agpy = 6040 Pcy
pyZx = 1310 Mb
pyZy = 197 Mbs
* 610x305x149 Pcx
Pz = Agpy = 5040 Pcy
pyZx = 1090 Mb
pyZy = 162 Mbs
Mb
Mbs
* 610x229x140 Pcx
Pz = Agpy = 4720 Pcy
pyZx = 960 Mb
pyZy = 104 Mbs
Mb
Mbs
* 610x229x125 Pcx
Pz = Agpy = 4210 Pcy
pyZx = 854 Mb
pyZy = 90.9 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 610x229x113 Pcx
3460 3040 2490 1930 1480 1150 910 737 608 509 433 372
0.739 762 673 573 481 404 343 296 259 230 207 187 172
762 762 723 656 586 517 451 392 341 298 261 230
0.3 868 743 621 512 424 357 305 266 236 211 191 175
869 869 825 748 669 590 515 448 390 340 298 263
0.65 3550 3550 3550 3520 3490 3460 3420 3380 3340 3300 3240 3190
3190 2770 2230 1690 1280 990 782 632 520 436 370 318
0.65 692 600 504 417 345 289 247 214 189 168 152 139
692 692 646 582 516 452 391 338 292 254 222 195
0.273 781 663 545 442 361 300 254 220 193 172 155 141
792 792 740 667 592 517 448 387 335 291 254 223
1 4110 4110 4100 4060 4020 3980 3930 3880 3820 3760 3690 3610
3690 3200 2570 1960 1480 1150 906 732 603 505 429 368
1 836 715 602 504 427 368 322 286 257 234 215 199
847 847 791 712 631 551 477 412 357 310 271 238
0.988 3680 3680 3680 3640 3600 3560 3520 3480 3420 3370 3300 3230
3300 2850 2270 1720 1300 1000 791 639 526 440 374 321
0.988 656 568 481 405 343 295 258 229 205 186 171 157
656 656 609 547 483 421 363 313 271 235 205 180
0.392 736 625 520 430 360 307 267 235 211 191 174 161
749 749 696 624 551 480 415 358 309 268 234 206
0.885 3420 3420 3410 3380 3350 3310 3270 3230 3180 3130 3070 3000
3060 2630 2090 1580 1190 918 725 586 482 403 342 294
0.885 607 522 440 368 309 264 230 203 181 164 150 138
607 607 562 504 445 387 334 287 248 215 188 165
0.348 678 573 474 389 324 274 237 208 186 168 153 141
692 692 641 574 507 441 380 327 283 245 214 188
0.772 3220 3220 3210 3180 3140 3110 3070 3030 2980 2930 2870 2800
2860 2440 1910 1420 1070 820 646 521 429 358 304 261
0.772 564 481 401 331 275 232 200 175 156 140 128 117
570 570 521 465 408 353 303 260 223 193 168 148
0.307 629 528 430 349 286 240 206 180 159 143 130 119
649 649 594 530 465 402 345 296 254 220 192 168
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.709 2890 2890 2880 2850 2820 2790 2750 2710 2670 2620 2560 2500
2550 2150 1660 1220 913 699 550 443 364 304 258 222
0.709 487 412 340 276 227 190 162 141 125 112 101 92.4
495 495 447 397 346 297 254 217 186 160 139 122
Pz = Agpy = 3820 Pcy
pyZx = 762 Mb
pyZy = 79.8 Mbs
Mb
Mbs
* 610x229x101 Pcx
Pz = Agpy = 3550 Pcy
pyZx = 692 Mb
pyZy = 70.4 Mbs
Mb
Mbs
533x210x122 Pcx
Pz = Agpy = 4110 Pcy
pyZx = 740 Mb
pyZy = 84.8 Mbs
* 533x210x109 Pcx
Pz = Agpy = 3680 Pcy
pyZx = 656 Mb
pyZy = 73.9 Mbs
Mb
Mbs
* 533x210x101 Pcx
Pz = Agpy = 3420 Pcy
pyZx = 607 Mb
pyZy = 67.8 Mbs
Mb
Mbs
* 533x210x92 Pcx
Pz = Agpy = 3220 Pcy
pyZx = 570 Mb
pyZy = 62.7 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 533x210x82 Pcx
Pz = Agpy = 2890 Pcy
pyZx = 495 Mb
pyZy = 52.8 Mbs
0.295 545 453 364 291 236 196 167 144 127 114 103 93.9
566 566 512 454 396 340 290 248 212 183 159 140
1 3310 3310 3290 3250 3210 3170 3120 3060 3000 2930 2850 2750
2920 2470 1910 1410 1060 810 638 514 422 353 300 257
1 570 481 401 334 283 245 215 192 173 158 145 135
591 591 535 475 414 356 304 260 223 193 168 147
1 3020 3020 3000 2960 2930 2890 2840 2790 2730 2670 2590 2500
2660 2240 1720 1270 948 726 572 461 379 316 268 230
1 512 429 353 291 245 209 183 162 146 133 122 112
534 534 481 426 370 318 271 231 199 171 149 131
0.957 2860 2860 2840 2800 2770 2730 2680 2630 2580 2510 2430 2340
2500 2080 1570 1150 852 651 511 411 338 282 239 205
0.957 430 363 301 249 208 178 155 137 123 112 102 94.3
443 439 394 347 300 256 217 184 158 136 118 103
0.37 478 396 322 261 217 184 159 141 126 114 104 96
504 499 448 395 341 291 247 210 179 154 134 117
0.825 2600 2600 2580 2550 2520 2480 2440 2400 2340 2280 2210 2130
2270 1880 1420 1030 766 585 459 369 303 253 215 184
0.825 388 326 267 218 181 154 133 117 104 94.3 86.1 79.2
401 396 355 313 270 230 195 165 141 121 105 92.2
0.312 430 354 284 229 188 158 136 120 106 96.1 87.6 80.5
455 449 403 354 306 260 221 187 160 138 119 104
0.751 2350 2350 2330 2300 2270 2240 2200 2160 2110 2050 1990 1910
2040 1680 1250 906 670 510 400 322 264 221 187 160
0.751 343 286 232 187 154 129 111 96.9 86.1 77.4 70.4 64.6
356 350 313 274 235 200 169 143 122 105 90.7 79.3
0.293 380 310 246 196 159 133 113 99 87.7 78.8 71.6 65.6
405 397 355 311 267 226 191 162 138 119 103 90
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
1 2780 2780 2780 2780 2780 2780 2760 2730 2690 2650 2610 2560
2660 2480 2250 1980 1670 1380 1140 790 573 432 337 270
1 480 469 422 376 333 295 263 212 177 152 133 119
480 480 480 471 441 410 378 315 258 211 174 144
0.94 2500 2500 2500 2500 2500 2500 2480 2450 2420 2390 2350 2310
2390 2220 2020 1760 1480 1220 1010 696 504 380 297 237
0.94 375 372 337 303 270 241 215 174 145 124 109 96.6
375 375 375 367 343 318 293 243 199 162 133 111
0.386 431 419 375 333 293 257 227 182 150 128 111 98.8
Mb
Mbs
457x191x98 Pcx
Pz = Agpy = 3310 Pcy
pyZx = 519 Mb
pyZy = 64.4 Mbs
457x191x89 Pcx
Pz = Agpy = 3020 Pcy
pyZx = 469 Mb
pyZy = 57.8 Mbs
* 457x191x82 Pcx
Pz = Agpy = 2860 Pcy
pyZx = 443 Mb
pyZy = 53.9 Mbs
Mb
Mbs
* 457x191x74 Pcx
Pz = Agpy = 2600 Pcy
pyZx = 401 Mb
pyZy = 48.4 Mbs
Mb
Mbs
* 457x191x67 Pcx
Pz = Agpy = 2350 Pcy
pyZx = 356 Mb
pyZy = 42.1 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
457x152x82 Pcx
Pz = Agpy = 2780 Pcy
pyZx = 416 Mb
pyZy = 40.5 Mbs
* 457x152x74 Pcx
Pz = Agpy = 2500 Pcy
pyZx = 375 Mb
pyZy = 36 Mbs
Mb
431 431 431 422 394 366 337 280 229 186 153 127
0.825 2350 2350 2350 2350 2350 2340 2330 2300 2270 2240 2200 2160
2230 2080 1870 1620 1340 1100 896 616 445 335 261 209
0.825 347 341 308 274 242 213 188 150 123 105 90.7 80.2
347 347 347 336 313 290 266 218 177 143 117 97.1
0.345 400 384 342 300 261 227 198 156 127 107 92.8 81.9
400 400 400 386 360 333 306 251 204 165 135 112
0.692 2100 2100 2100 2100 2100 2090 2070 2050 2020 1990 1960 1920
1990 1840 1650 1420 1180 959 782 537 387 291 227 181
0.692 309 302 271 240 210 184 161 126 103 86.5 74.5 65.5
309 309 309 297 277 255 234 192 155 125 102 84.5
0.285 354 338 300 262 226 195 169 131 106 88.5 76.1 66.7
354 354 354 341 317 293 268 220 177 143 117 97
0.619 1830 1830 1830 1830 1830 1820 1810 1790 1760 1740 1710 1670
1730 1590 1420 1200 983 793 643 439 316 237 184 147
0.619 261 253 226 198 172 149 129 99.4 79.8 66.3 56.6 49.4
261 261 261 248 230 211 192 156 125 100 81.4 67.2
0.268 301 285 250 216 184 157 135 103 81.9 67.8 57.7 50.3
301 301 301 286 266 244 222 180 144 116 94 77.6
1 2600 2600 2600 2600 2600 2580 2560 2530 2490 2450 2400 2340
2530 2400 2240 2050 1830 1580 1350 971 715 545 427 343
1 413 413 386 351 318 286 257 210 176 150 131 117
413 413 413 413 403 381 359 313 267 226 190 161
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
0.965 2350 2350 2350 2350 2350 2330 2320 2290 2250 2210 2170 2120
2280 2160 2020 1850 1640 1410 1200 861 633 482 377 303
0.965 327 327 311 285 259 234 211 173 145 123 107 95.2
327 327 327 327 318 301 283 246 209 176 148 125
0.357 370 370 344 312 281 251 224 181 150 127 110 97.4
370 370 370 370 360 340 320 278 237 199 168 141
0.815 2100 2100 2100 2100 2100 2090 2070 2050 2010 1980 1940 1890
2040 1930 1810 1650 1460 1260 1070 764 562 427 335 269
0.815 292 292 277 253 229 206 185 149 123 104 90.3 79.5
292 292 292 292 284 268 252 219 186 157 131 111
0.296 330 330 305 276 247 220 195 156 128 107 92.4 81.2
330 330 330 330 320 302 284 247 210 177 148 125
0.782 1900 1900 1900 1900 1890 1880 1870 1840 1810 1780 1740 1700
1840 1730 1610 1460 1280 1090 922 655 480 364 285 229
Mbs
* 457x152x67 Pcx
Pz = Agpy = 2350 Pcy
pyZx = 347 Mb
pyZy = 32.7 Mbs
Mb
Mbs
* 457x152x60 Pcx
Pz = Agpy = 2100 Pcy
pyZx = 309 Mb
pyZy = 28.6 Mbs
Mb
Mbs
* 457x152x52 Pcx
Pz = Agpy = 1830 Pcy
pyZx = 261 Mb
pyZy = 23.3 Mbs
Mb
Mbs
406x178x74 Pcx
Pz = Agpy = 2600 Pcy
pyZx = 364 Mb
pyZy = 47.3 Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 406x178x67 Pcx
Pz = Agpy = 2350 Pcy
pyZx = 327 Mb
pyZy = 42.1 Mbs
Mb
Mbs
* 406x178x60 Pcx
Pz = Agpy = 2100 Pcy
pyZx = 292 Mb
pyZy = 37.1 Mbs
Mb
Mbs
* 406x178x54 Pcx
Pz = Agpy = 1900 Pcy
0.782 256 256 240 218 196 176 156 125 102 85.4 73.3 64.1
256 256 256 256 246 232 217 187 158 132 110 92.6
0.305 290 290 266 239 212 188 165 130 105 87.7 75 65.4
290 290 290 290 279 263 246 212 179 149 125 105
0.632 1610 1610 1610 1610 1610 1600 1590 1560 1540 1510 1480 1440
1510 1390 1230 1030 836 671 542 369 265 199 154 123
0.632 214 204 181 158 137 118 103 79.8 64.6 54.2 46.6 41
214 214 214 201 186 170 154 124 98.5 78.8 64 52.7
0.247 244 228 199 171 146 124 107 82.3 66.3 55.3 47.5 41.7
244 244 244 230 212 194 176 141 112 90 73 60.2
0.565 1370 1370 1370 1370 1360 1350 1340 1320 1300 1280 1250 1210
1270 1160 1010 827 659 523 420 284 203 152 118 94.4
0.565 173 163 143 123 105 89.2 76.5 58.2 46.4 38.4 32.7 28.4
173 173 172 159 146 133 119 94 73.8 58.6 47.4 38.9
0.24 199 182 157 133 111 93.7 79.6 60 47.5 39.1 33.2 28.9
199 199 198 184 168 153 137 108 85 67.5 54.5 44.8
1 2350 2350 2350 2350 2340 2320 2300 2270 2230 2180 2120 2050
2280 2160 2020 1850 1640 1410 1200 861 633 482 377 303
1 333 333 310 283 257 232 210 174 147 127 112 99.7
333 333 333 333 324 306 288 250 213 179 151 127
1 2000 2000 2000 2000 1980 1970 1950 1920 1890 1840 1790 1730
1930 1830 1710 1550 1370 1170 991 707 519 394 309 248
1 278 278 256 232 208 187 167 135 112 95.7 83.4 73.8
278 278 278 278 268 253 238 205 174 146 122 103
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
0.925 1780 1780 1780 1780 1770 1760 1750 1720 1680 1650 1600 1550
1730 1630 1520 1380 1210 1030 870 619 454 344 270 216
0.925 219 219 205 187 169 151 136 110 91.2 77.4 67.2 59.4
219 219 219 219 211 198 186 160 135 113 94.6 79.5
0.326 246 246 226 203 182 161 143 115 94.1 79.5 68.7 60.6
246 246 246 246 237 223 209 180 152 127 106 89.5
0.848 1580 1580 1580 1580 1560 1550 1540 1510 1480 1450 1410 1350
1520 1430 1330 1200 1040 884 741 523 383 290 227 182
0.848 189 189 176 159 143 127 113 90.1 73.6 61.9 53.2 46.7
189 189 189 189 180 169 158 135 114 94.4 78.6 65.9
0.316 213 213 193 173 153 135 119 93.5 75.9 63.4 54.4 47.6
213 213 213 213 203 191 178 153 128 107 88.7 74.4
0.771 1370 1370 1370 1370 1360 1350 1340 1310 1290 1260 1220 1170
pyZx = 256 Mb
pyZy = 31.6 Mbs
Mb
Mbs
* 406x140x46 Pcx
Pz = Agpy = 1610 Pcy
pyZx = 214 Mb
pyZy = 20.8 Mbs
Mb
Mbs
* 406x140x39 Pcx
Pz = Agpy = 1370 Pcy
pyZx = 173 Mb
pyZy = 15.9 Mbs
Mb
Mbs
356x171x67 Pcx
Pz = Agpy = 2350 Pcy
pyZx = 295 Mb
pyZy = 43.2 Mbs
356x171x57 Pcx
Pz = Agpy = 2000 Pcy
pyZx = 246 Mb
pyZy = 35.5 Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 356x171x51 Pcx
Pz = Agpy = 1780 Pcy
pyZx = 219 Mb
pyZy = 31.1 Mbs
Mb
Mbs
* 356x171x45 Pcx
Pz = Agpy = 1580 Pcy
pyZx = 189 Mb
pyZy = 26.1 Mbs
Mb
Mbs
* 356x127x39 Pcx
1260 1130 959 766 598 469 374 251 179 134 104 82.9
0.771 158 145 126 108 92 79 68.5 53.7 43.9 37.2 32.3 28.6
158 158 154 142 129 115 102 79 61.2 48.2 38.7 31.7
0.308 181 161 138 116 97.2 82.5 71.1 55.2 45 38 32.9 29.1
181 181 177 162 147 132 117 90.3 70 55.1 44.3 36.2
0.655 1160 1160 1160 1160 1150 1140 1130 1110 1080 1060 1020 981
1060 942 786 618 477 372 296 198 141 105 81.7 65.2
0.655 130 117 101 85 71.4 60.3 51.7 39.7 32 26.8 23 20.2
130 130 125 114 103 91.6 80.7 61.7 47.5 37.2 29.8 24.4
0.274 149 130 110 90.9 75.2 62.9 53.5 40.7 32.7 27.3 23.4 20.5
149 149 144 131 118 105 92.6 70.8 54.5 42.7 34.2 28
1 1890 1890 1890 1880 1870 1850 1830 1800 1750 1700 1630 1550
1830 1740 1620 1470 1300 1120 946 676 496 377 295 237
1 233 233 216 196 178 161 146 121 102 88.6 78.1 69.8
233 233 233 233 225 212 199 173 147 123 103 86.9
1 1610 1610 1610 1610 1590 1580 1570 1530 1500 1450 1390 1320
1560 1480 1380 1250 1100 945 799 569 418 317 248 200
1 198 198 182 165 148 133 119 96.8 80.8 69.2 60.4 53.7
198 198 198 198 191 180 169 146 124 104 86.8 73.1
0.857 1410 1410 1410 1400 1390 1380 1370 1340 1310 1260 1210 1150
1360 1290 1200 1090 955 816 688 489 359 272 213 171
0.857 154 154 144 131 118 106 94.6 76.7 63.7 54.1 47.1 41.6
154 154 154 154 148 140 131 113 95.2 79.6 66.6 56
0.261 171 171 156 141 126 112 99.3 79.5 65.5 55.4 48 42.4
171 171 171 171 165 155 145 125 106 88.6 74 62.3
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
1 1680 1680 1680 1670 1660 1640 1630 1590 1550 1500 1430 1350
1560 1400 1200 967 759 597 477 321 229 172 133 106
1 196 178 156 136 118 104 92.4 75.3 63.5 55 48.6 43.5
196 196 192 177 161 145 129 100 78 61.6 49.6 40.6
1 1470 1470 1470 1460 1450 1430 1420 1390 1350 1300 1240 1170
1350 1220 1030 829 648 509 406 273 195 146 113 90.2
1 169 152 132 113 97.4 84.7 74.5 59.8 49.9 42.9 37.7 33.7
169 169 165 152 138 124 110 85 66 52 41.8 34.2
1 1300 1300 1300 1290 1280 1270 1250 1220 1190 1150 1090 1030
1200 1070 906 723 563 442 352 236 169 126 97.8 78
1 148 132 114 96.6 82.2 70.7 61.7 48.8 40.4 34.5 30.1 26.8
148 148 144 132 120 107 95.2 73.5 56.9 44.8 36 29.4
Pz = Agpy = 1370 Pcy
pyZx = 158 Mb
pyZy = 15.6 Mbs
Mb
Mbs
* 356x127x33 Pcx
Pz = Agpy = 1160 Pcy
pyZx = 130 Mb
pyZy = 12.3 Mbs
Mb
Mbs
305x165x54 Pcx
Pz = Agpy = 1890 Pcy
pyZx = 207 Mb
pyZy = 34.9 Mbs
305x165x46 Pcx
Pz = Agpy = 1610 Pcy
pyZx = 178 Mb
pyZy = 29.7 Mbs
* 305x165x40 Pcx
Pz = Agpy = 1410 Pcy
pyZx = 154 Mb
pyZy = 25.5 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
305x127x48 Pcx
Pz = Agpy = 1680 Pcy
pyZx = 169 Mb
pyZy = 20.2 Mbs
305x127x42 Pcx
Pz = Agpy = 1470 Pcy
pyZx = 147 Mb
pyZy = 17.2 Mbs
305x127x37 Pcx
Pz = Agpy = 1300 Pcy
pyZx = 130 Mb
pyZy = 15 Mbs
0.935 1150 1150 1150 1140 1130 1120 1110 1090 1060 1020 976 919
1010 846 645 473 352 269 212 140 99.2 73.9 57.1 45.5
0.935 112 95.7 79.9 66.4 55.8 47.8 41.6 33 27.4 23.5 20.6 18.3
114 114 103 90.6 78.6 67.3 57.2 41.7 31.3 24.1 19.1 15.5
0.404 127 106 86.4 70.5 58.5 49.6 43 33.9 28 23.9 20.9 18.6
132 132 119 105 90.9 77.8 66.2 48.3 36.1 27.9 22.1 17.9
0.805 987 987 987 980 972 962 953 931 904 871 829 777
859 710 532 386 286 218 171 113 80 59.5 46 36.6
0.805 93 78.4 64.3 52.5 43.4 36.6 31.5 24.5 20.1 17.1 14.9 13.2
95.7 94.3 84.4 74.1 63.8 54.2 45.8 33.2 24.8 19.1 15.1 12.2
0.361 105 86.6 69.3 55.4 45.2 37.9 32.4 25.1 20.5 17.4 15.1 13.4
111 109 97.8 85.8 73.9 62.8 53.1 38.4 28.7 22.1 17.5 14.2
0.761 869 869 869 862 854 846 837 817 792 761 722 672
744 599 436 312 229 174 136 89.8 63.5 47.2 36.5 29
0.761 77.1 64.1 51.7 41.5 33.8 28.2 24 18.5 15 12.7 11 9.69
80.3 77.8 68.9 59.7 50.7 42.6 35.7 25.6 19 14.6 11.5 9.31
0.372 87.8 71.1 55.7 43.8 35.2 29.1 24.7 18.9 15.3 12.9 11.1 9.84
94.1 91.1 80.8 70 59.4 49.9 41.8 30 22.2 17.1 13.5 10.9
1 1510 1510 1500 1490 1470 1460 1440 1400 1350 1280 1190 1080
1440 1350 1240 1100 934 777 643 448 325 246 192 154
1 156 153 139 125 113 102 92 76.5 65.2 56.8 50.4 45.3
156 156 156 154 145 135 125 105 86.8 71.3 58.8 49
1 1300 1300 1290 1280 1270 1250 1240 1200 1160 1100 1020 925
1240 1160 1060 936 795 659 544 378 274 207 162 129
1 133 130 117 105 93.5 83.3 74.5 60.9 51.2 44.2 38.9 34.7
133 133 133 131 123 115 106 88.8 73.1 59.9 49.3 41.1
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
1 1090 1090 1090 1080 1060 1050 1040 1010 965 910 840 756
1040 969 879 766 643 529 434 300 217 163 127 102
1 108 105 93.5 82.7 72.6 63.7 56.1 44.8 37 31.4 27.4 24.3
108 108 108 105 98.6 91.5 84.3 69.9 57 46.4 38 31.6
1 993 993 989 979 968 957 944 915 877 828 763 687
879 746 579 429 321 246 194 128 91 67.8 52.5 41.8
1 94 79.4 65.9 54.7 46 39.5 34.5 27.6 23 19.8 17.4 15.5
97.1 97.1 88.2 78.5 68.6 59.1 50.6 37.2 27.9 21.6 17.2 13.9
1 880 880 876 867 857 846 835 808 773 727 667 597
773 648 494 362 270 206 162 107 75.9 56.5 43.7 34.8
1 80.7 67.4 55 44.9 37.3 31.6 27.4 21.6 17.9 15.3 13.3 11.9
* 305x102x33 Pcx
Pz = Agpy = 1150 Pcy
pyZx = 114 Mb
pyZy = 10.4 Mbs
Mb
Mbs
* 305x102x28 Pcx
Pz = Agpy = 987 Pcy
pyZx = 95.7 Mb
pyZy = 8.39 Mbs
Mb
Mbs
* 305x102x25 Pcx
Pz = Agpy = 869 Pcy
pyZx = 80.3 Mb
pyZy = 6.65 Mbs
Mb
Mbs
254x146x43 Pcx
Pz = Agpy = 1510 Pcy
pyZx = 139 Mb
pyZy = 25.3 Mbs
254x146x37 Pcx
Pz = Agpy = 1300 Pcy
pyZx = 119 Mb
pyZy = 21.5 Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
254x146x31 Pcx
Pz = Agpy = 1090 Pcy
pyZx = 96.5 Mb
pyZy = 16.9 Mbs
254x102x28 Pcx
Pz = Agpy = 993 Pcy
pyZx = 84.7 Mb
pyZy = 9.6 Mbs
254x102x25 Pcx
Pz = Agpy = 880 Pcy
pyZx = 73.2 Mb
84.2 83.7 75.4 66.7 57.8 49.5 42.1 30.7 23 17.7 14.1 11.4
1 770 770 766 757 749 739 729 704 672 629 574 511
668 550 410 297 219 167 131 86.5 61.2 45.6 35.2 28
1 67.4 55.5 44.5 35.6 29.2 24.5 21 16.3 13.4 11.4 9.88 8.76
71.2 70 62.6 54.8 47 39.9 33.7 24.3 18.1 14 11 8.95
1 1050 1050 1040 1020 1010 993 974 927 861 774 673 574
993 918 822 702 577 468 380 260 188 141 110 87.7
1 86.4 82.6 74.1 66.1 58.9 52.6 47.3 39.1 33.2 28.9 25.6 23
86.4 86.4 86.4 82.6 76.8 70.7 64.5 52.6 42.2 34 27.7 22.9
1 880 879 868 857 844 830 814 772 715 638 551 468
829 764 680 576 470 379 307 210 151 113 88.1 70.4
1 71 67.1 59.6 52.5 46 40.5 35.9 29 24.3 20.9 18.4 16.4
71 71 71 67.4 62.4 57.3 52.1 42.2 33.7 27.1 22 18.2
1 809 808 797 786 775 761 746 707 652 580 499 423
726 630 504 382 289 223 176 117 83.3 62.1 48.1 38.3
1 63.4 54.6 46.5 39.6 34.1 29.8 26.4 21.5 18.1 15.7 13.9 12.5
64.4 64.4 60 54 47.8 41.7 36.1 26.9 20.4 15.9 12.7 10.3
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN, kNm) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
1 668 664 654 644 632 618 601 556 493 418 347 287
601 522 418 318 241 186 147 97.6 69.4 51.8 40.1 31.9
1 46.4 40 34 29 25 21.8 19.3 15.7 13.3 11.5 10.2 9.11
47 47 43.9 39.5 35.1 30.6 26.5 19.8 15 11.7 9.32 7.59
1 558 551 541 529 516 500 479 422 349 280 225 183
487 404 304 222 164 125 98.5 65.1 46.1 34.3 26.5 21.1
1 32.3 27.5 23.2 19.8 17.2 15.1 13.5 11.1 9.44 8.23 7.3 6.57
33.8 33.4 30 26.4 22.7 19.4 16.4 11.9 8.89 6.85 5.43 4.4
1 452 443 432 420 403 382 354 284 219 169 133 107
379 294 207 145 106 80.3 62.7 41.2 29.1 21.6 16.7 13.3
1 21.3 18 15.3 13.2 11.6 10.3 9.22 7.67 6.57 5.76 5.13 4.62
23.2 21.9 19.1 16.3 13.6 11.3 9.34 6.61 4.87 3.72 2.93 2.37
pyZy = 8.03 Mbs
254x102x22 Pcx
Pz = Agpy = 770 Pcy
pyZx = 61.6 Mb
pyZy = 6.46 Mbs
203x133x30 Pcx
Pz = Agpy = 1050 Pcy
pyZx = 77 Mb
pyZy = 15.8 Mbs
203x133x25 Pcx
Pz = Agpy = 880 Pcy
pyZx = 63.3 Mb
pyZy = 12.7 Mbs
203x102x23 Pcx
Pz = Agpy = 809 Pcy
pyZx = 56.9 Mb
pyZy = 8.86 Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths LE (m) within the limiting value of F/Pz
LE (m)
178x102x19 Pcx
Pz = Agpy = 668 Pcy
pyZx = 42.1 Mb
pyZy = 7.43 Mbs
152x89x16 Pcx
Pz = Agpy = 558 Pcy
pyZx = 30 Mb
pyZy = 5.56 Mbs
127x76x13 Pcx
Pz = Agpy = 454 Pcy
pyZx = 20.5 Mb
pyZy = 4.04 Mbs
for
14
14800
2270
2220
2560
13500
2060
1860
2260
12100
1800
1540
1970
11300
1680
1280
1570
1320
1810
10200
1480
1070
1380
1100
1600
8830
1280
859
1200
880
1370
8050
1080
692
988
708
1140
(kNm)
for
14
7170
883
539
788
552
919
12500
3820
2090
3130
11100
3300
1660
2400
1730
2700
9290
1420
917
1210
944
1390
8150
1210
737
1030
756
1190
7210
1030
591
869
605
1000
(kNm)
for
14
6440
867
475
721
486
836
7230
1040
608
839
623
962
6170
834
453
663
463
763
5580
720
374
565
383
653
6190
758
445
569
455
654
(kNm)
for
14
5420
636
349
474
357
546
4590
508
258
374
263
431
4340
450
220
330
224
382
5260
617
345
427
353
489
4700
539
283
372
289
425
4300
482
243
332
248
380
(kNm)
for
14
3830
408
194
277
198
318
7250
1420
763
960
5440
1020
475
690
4520
838
347
505
355
564
4210
423
235
270
240
309
3750
369
193
236
197
269
for
14
3390
(kNm)
(kNm)
323
158
204
161
233
3120
276
127
173
130
198
3520
320
185
211
3150
279
146
159
149
182
2920
255
128
146
130
166
2720
227
108
130
110
148
for
14
2420
192
85.1
108
(kNm)
86.5
123
2640
223
125
130
2400
200
105
115
2240
178
87.6
90.8
89.1
103
2030
160
73.4
81.2
74.6
92.1
1820
139
59.7
69.8
60.6
79.3
for
10
2510
221
107
122
2260
194
87
93.1
88.9
(kNm)
107
2110
171
71.9
81.5
73.3
93.7
1870
148
58.5
70.9
59.5
81.3
1630
121
43.9
56.3
44.6
64.9
2280
282
105
137
for
10
2060
249
85.5
106
87.2
120
1840
220
71.1
94.2
72.4
106
1650
188
(kNm)
57
78.5
58
89.1
1390
101
36.6
44.1
37.1
50.3
1170
77.1
25.2
32.4
25.6
37.3
1970
249
90.2
108
1660
203
66.3
87.4
for
10
1480
177
53.2
67.5
54.2
76
1290
149
41.6
55.8
42.3
63
1110
(kNm)
67.7
25.7
26.4
26.1
30.2
930
53.2
18.1
20.2
18.3
23.2
1440
195
63.2
73.8
1230
164
48.3
62
1070
140
37.3
47.5
37.9
52.8
for
10
1240
86.8
39.5
33.8
1080
73.6
30.4
28.5
946
63.7
24.2
24.5
(kNm)
850
37.1
16.5
12.8
16.8
14.8
714
29.8
11.9
10.1
12
11.7
614
23.6
8.69
7.68
8.81
9
966
126
41.1
41.3
823
106
31.4
34.6
for
10
668
83.3
21.8
26.5
607
34.1
14
11.5
525
28.4
10.7
(kNm)
9.44
447
22.8
7.88
7.39
487
71.7
20.9
19.2
397
57.6
14.8
15.2
358
31.2
11.3
8.54
10
239
26
8.27
6.29
151
17.2
5.98
3.64
87.8
10.8
4.21
1.95
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
7770 7770 7770 7770 7770 7770 7770 7770 7770 7770 7770
n/a 696 696 696 696 696 696 696 696 696 696 696
1 7770 7660 7340 6810 6060 5120 4140 3130 2110 1070 0
696 696 696 696 696 696 696 693 522 291 0
6950 6950 6950 6950 6950 6950 6950 6950 6950 6950 6950
n/a 617 617 617 617 617 617 617 617 617 617 617
1 6950 6860 6570 6090 5410 4570 3690 2790 1880 949 0
617 617 617 617 617 617 617 616 464 258 0
6210 6210 6210 6210 6210 6210 6210 6210 6210 6210 6210
n/a 544 544 544 544 544 544 544 544 544 544 544
1 6210 6130 5870 5440 4840 4080 3290 2490 1670 844 0
544 544 544 544 544 544 544 544 412 230 0
5720 5720 5720 5720 5450 5380 5310 5190 4960 3730 $
0.802 506 506 506 506 506 506 506 506 506 318 $
0.321 5720 5640 5400 5000 - - - - - - -
506 506 506 506 - - - - - - -
5120 5120 5120 4990 4740 4660 4560 2740 2740 2740 $
0.678 448 448 448 448 448 448 448 230 230 230 $
0.266 5120 5050 4830 - - - - - - - -
448 448 448 - - - - - - - -
4430 4430 4390 4100 3960 3880 1780 1780 1780 $ $
0.518 387 387 387 387 387 387 148 148 148 $ $
0.192 4430 4360 - - - - - - - - -
387 387 - - - - - - - - -
3920 3920 3920 3650 3490 3400 1560 1560 1560 $ $
0.518 325 325 325 325 325 325 125 125 125 $ $
0.21 3920 3860 3710 - - - - - - - -
325 325 325 - - - - - - - -
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
1016x305x487 # + Mcx
Pz = Agpy = 20800 Mcy
Mrx
Mry
1016x305x437 # + Mcx
Pz = Agpy = 18700 Mcy
Mrx
Mry
1016x305x393 # + Mcx
Pz = Agpy = 16800 Mcy
Mrx
Mry
1016x305x349 # + Mcx
Pz = Agpy = 15400 Mcy
Mrx
Mry
1016x305x314 # + Mcx
Pz = Agpy = 13800 Mcy
Mrx
Mry
1016x305x272 # + Mcx
Pz = Agpy = 12000 Mcy
Mrx
Mry
1016x305x249 # + Mcx
Pz = Agpy = 10900 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
3380 3380 3380 3140 2980 1260 1260 1260 1260 $ $
0.487 263 263 263 263 263 95.1 95.1 95.1 95.1 $ $
0.211 3380 3340 3210 - - - - - - - -
263 263 263 - - - - - - - -
6100 6100 6100 6100 6000 5990 5960 5930 5850 5620 $
0.934 895 895 895 895 895 895 895 895 895 895 $
0.321 6100 6000 5700 5210 - - - - - - -
895 895 895 895 - - - - - - -
5340 5340 5340 5260 5110 5070 5020 4920 3560 3560 $
0.8 775 775 775 775 775 775 775 775 485 485 $
0.276 5340 5260 5000 - - - - - - - -
775 775 775 - - - - - - - -
4340 4340 4340 4340 4130 4040 3980 3870 2680 2680 $
0.767 420 420 420 420 420 420 420 420 250 250 $
0.324 4340 4280 4100 3800 - - - - - - -
420 420 420 420 - - - - - - -
3770 3770 3770 3650 3470 3380 3300 1840 1840 $ $
0.624 361 361 361 361 361 361 361 169 169 $ $
0.257 3770 3720 3570 - - - - - - - -
361 361 361 - - - - - - - -
3290 3290 3290 3090 2950 2880 1350 1350 1350 $ $
0.533 306 306 306 306 306 306 121 121 121 $ $
0.221 3290 3250 3110 - - - - - - - -
306 306 306 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
1016x305x222 # + Mcx
Pz = Agpy = 9760 Mcy
Mrx
Mry
914x419x388 # Mcx
Pz = Agpy = 17000 Mcy
Mrx
Mry
914x419x343 # Mcx
Pz = Agpy = 15100 Mcy
Mrx
Mry
914x305x289 # Mcx
Pz = Agpy = 12700 Mcy
Mrx
Mry
914x305x253 # Mcx
Pz = Agpy = 11100 Mcy
Mrx
Mry
914x305x224 # Mcx
Pz = Agpy = 9870 Mcy
Mrx
Mry
BS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
2880 2880 2880 2670 2550 1060 1060 1060 1060 $ $
0.481 257 257 257 257 257 91.7 91.7 91.7 91.7 $ $
0.206 2880 2840 2730 - - - - - - - -
257 257 257 - - - - - - - -
3160 3160 3160 3050 2900 2850 2780 1570 1570 $ $
0.632 320 320 320 320 320 320 320 152 152 $ $
0.251 3160 3110 2980 - - - - - - - -
320 320 320 - - - - - - - -
2640 2640 2640 2480 2370 2310 1090 1090 1090 $ $
0.534 257 257 257 257 257 257 102 102 102 $ $
0.219 2640 2600 2490 - - - - - - - -
257 257 257 - - - - - - - -
2350 2350 2350 2180 2080 876 876 876 876 $ $
0.485 221 221 221 221 221 79.5 79.5 79.5 79.5 $ $
0.203 2350 2320 2230 - - - - - - - -
221 221 221 - - - - - - - -
2470 2470 2470 2460 2320 2280 2240 2170 1420 1420 $
0.718 253 253 253 253 253 253 253 253 139 139 $
0.293 2470 2440 2330 - - - - - - - -
253 253 253 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
914x305x201 # Mcx
Pz = Agpy = 8830 Mcy
Mrx
Mry
838x292x226 # Mcx
Pz = Agpy = 9970 Mcy
Mrx
Mry
838x292x194 # Mcx
Pz = Agpy = 8520 Mcy
Mrx
Mry
838x292x176 # Mcx
Pz = Agpy = 7730 Mcy
Mrx
Mry
762x267x197 Mcx
Pz = Agpy = 8660 Mcy
Mrx
Mry
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
2140 2140 2140 2070 1960 1910 1870 1030 1030 $ $
0.617 213 213 213 213 213 213 213 98.3 98.3 $ $
0.256 2140 2110 2020 - - - - - - - -
213 213 213 - - - - - - - -
1780 1780 1780 1660 1580 685 685 685 685 $ $
0.5 170 170 170 170 170 63 63 63 63 $ $
0.208 1780 1760 1680 - - - - - - - -
170 170 170 - - - - - - - -
1650 1650 1600 1490 1440 541 541 541 541 $ $
0.424 154 154 154 154 154 48.7 48.7 48.7 48.7 $ $
0.173 1650 1630 - - - - - - - - -
154 154 - - - - - - - - -
1940 1940 1940 1940 1840 1810 1790 1740 1200 1200 $
0.763 214 214 214 214 214 214 214 214 127 127 $
0.303 1940 1910 1830 1690 - - - - - - -
214 214 214 214 - - - - - - -
1730 1730 1730 1670 1590 1560 1530 886 886 886 $
0.65 188 188 188 188 188 188 188 92.2 92.2 92.2 $
0.256 1730 1700 1630 - - - - - - - -
188 188 188 - - - - - - - -
1570 1570 1570 1490 1430 1400 713 713 713 $ $
0.58 169 169 169 169 169 169 73.1 73.1 73.1 $ $
0.228 1570 1550 1480 - - - - - - - -
169 169 169 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
762x267x173 Mcx
Pz = Agpy = 7590 Mcy
Mrx
Mry
762x267x147 Mcx
Pz = Agpy = 6450 Mcy
Mrx
Mry
762x267x134 Mcx
Pz = Agpy = 6070 Mcy
Mrx
Mry
686x254x170 Mcx
Pz = Agpy = 7490 Mcy
Mrx
Mry
686x254x152 Mcx
Pz = Agpy = 6690 Mcy
Mrx
Mry
686x254x140 Mcx
Pz = Agpy = 6140 Mcy
Mrx
Mry
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
1380 1380 1380 1290 1240 1210 554 554 554 $ $
0.519 143 143 143 143 143 143 55.1 55.1 55.1 $ $
0.211 1380 1360 1300 - - - - - - - -
143 143 143 - - - - - - - -
2580 2580 2580 2580 2580 2580 2580 2580 2580 2580 2580
n/a 421 421 421 421 421 421 421 421 421 421 421
1 2580 2540 2410 2200 1900 1600 1290 974 654 330 0
421 421 421 421 421 421 421 375 275 150 0
1910 1910 1910 1910 1870 1860 1850 1840 1800 1480 $
0.899 308 308 308 308 308 308 308 308 308 223 $
0.296 1910 1880 1790 - - - - - - - -
308 308 308 - - - - - - - -
1580 1580 1580 1510 1480 1470 1440 864 864 864 $
0.671 253 253 253 253 253 253 253 128 128 128 $
0.213 1580 1560 1480 - - - - - - - -
253 253 253 - - - - - - - -
1430 1430 1430 1430 1350 1340 1320 1290 912 912 $
0.781 162 162 162 162 162 162 162 162 98.5 98.5 $
0.305 1430 1410 1350 1240 - - - - - - -
162 162 162 162 - - - - - - -
1270 1270 1270 1230 1170 1160 1130 669 669 669 $
0.664 142 142 142 142 142 142 142 71.3 71.3 71.3 $
0.257 1270 1250 1190 - - - - - - - -
142 142 142 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
686x254x125 Mcx
Pz = Agpy = 5490 Mcy
Mrx
Mry
610x305x238 Mcx
Pz = Agpy = 10500 Mcy
Mrx
Mry
610x305x179 Mcx
Pz = Agpy = 7870 Mcy
Mrx
Mry
610x305x149 Mcx
Pz = Agpy = 6560 Mcy
Mrx
Mry
610x229x140 Mcx
Pz = Agpy = 6140 Mcy
Mrx
Mry
610x229x125 Mcx
Pz = Agpy = 5490 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
1130 1130 1130 1080 1030 1010 520 520 520 $ $
0.586 125 125 125 125 125 125 54.4 54.4 54.4 $ $
0.228 1130 1120 1070 - - - - - - - -
125 125 125 - - - - - - - -
1020 1020 1020 954 917 895 407 407 407 $ $
0.513 109 109 109 109 109 109 41.4 41.4 41.4 $ $
0.204 1020 1010 966 - - - - - - - -
109 109 109 - - - - - - - -
1100 1100 1100 1100 1080 1080 1070 1070 1050 1000 $
0.928 132 132 132 132 132 132 132 132 132 132 $
0.359 1100 1090 1040 956 - - - - - - -
132 132 132 132 - - - - - - -
976 976 976 976 929 922 912 894 857 646 $
0.804 116 116 116 116 116 116 116 116 116 72.8 $
0.311 976 961 918 846 - - - - - - -
116 116 116 116 - - - - - - -
901 901 901 884 842 833 819 795 518 518 $
0.714 106 106 106 106 106 106 106 106 57.9 57.9 $
0.272 901 888 848 - - - - - - - -
106 106 106 - - - - - - - -
838 838 838 802 769 756 740 410 410 $ $
0.619 97.1 97.1 97.1 97.1 97.1 97.1 97.1 45.1 45.1 $ $
0.237 838 826 790 - - - - - - - -
97.1 97.1 97.1 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
610x229x113 Mcx
Pz = Agpy = 4970 Mcy
Mrx
Mry
610x229x101 Mcx
Pz = Agpy = 4580 Mcy
Mrx
Mry
533x210x122 Mcx
Pz = Agpy = 5350 Mcy
Mrx
Mry
533x210x109 Mcx
Pz = Agpy = 4800 Mcy
Mrx
Mry
533x210x101 Mcx
Pz = Agpy = 4450 Mcy
Mrx
Mry
533x210x92 Mcx
Pz = Agpy = 4150 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
731 731 731 692 663 649 321 321 321 $ $
0.564 81.8 81.8 81.8 81.8 81.8 81.8 34.3 34.3 34.3 $ $
0.225 731 721 690 - - - - - - - -
81.8 81.8 81.8 - - - - - - - -
770 770 770 770 770 770 770 769 769 768 $
0.998 101 101 101 101 101 101 101 101 101 101 $
0.371 770 758 723 664 - - - - - - -
101 101 101 101 - - - - - - -
695 695 695 695 675 672 667 659 643 517 $
0.88 90.3 90.3 90.3 90.3 90.3 90.3 90.3 90.3 90.3 63.7 $
0.325 695 684 652 599 - - - - - - -
90.3 90.3 90.3 90.3 - - - - - - -
650 650 650 647 617 612 605 592 418 418 $
0.783 83.5 83.5 83.5 83.5 83.5 83.5 83.5 83.5 50.9 50.9 $
0.294 650 640 611 - - - - - - - -
83.5 83.5 83.5 - - - - - - - -
587 587 587 565 544 538 528 313 313 313 $
0.666 75 75 75 75 75 75 75 37.8 37.8 37.8 $
0.244 587 578 552 - - - - - - - -
75 75 75 - - - - - - - -
522 522 522 497 478 471 460 248 248 $ $
0.601 65.2 65.2 65.2 65.2 65.2 65.2 65.2 29.3 29.3 $ $
0.226 522 515 492 - - - - - - - -
65.2 65.2 65.2 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
533x210x82 Mcx
Pz = Agpy = 3730 Mcy
Mrx
Mry
457x191x98 Mcx
Pz = Agpy = 4310 Mcy
Mrx
Mry
457x191x89 Mcx
Pz = Agpy = 3930 Mcy
Mrx
Mry
457x191x82 Mcx
Pz = Agpy = 3690 Mcy
Mrx
Mry
457x191x74 Mcx
Pz = Agpy = 3360 Mcy
Mrx
Mry
457x191x67 Mcx
Pz = Agpy = 3040 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
625 625 625 625 607 602 597 589 574 459 $
0.88 63.3 63.3 63.3 63.3 63.3 63.3 63.3 63.3 63.3 44.7 $
0.353 625 616 589 543 - - - - - - -
63.3 63.3 63.3 63.3 - - - - - - -
561 561 561 561 530 523 515 502 345 345 $
0.762 56.3 56.3 56.3 56.3 56.3 56.3 56.3 56.3 33.2 33.2 $
0.304 561 553 529 489 - - - - - - -
56.3 56.3 56.3 56.3 - - - - - - -
516 516 516 504 478 468 458 271 271 271 $
0.666 50.7 50.7 50.7 50.7 50.7 50.7 50.7 25.5 25.5 25.5 $
0.27 516 509 487 - - - - - - - -
50.7 50.7 50.7 - - - - - - - -
457 457 457 430 412 403 195 195 195 $ $
0.549 44.3 44.3 44.3 44.3 44.3 44.3 18.1 18.1 18.1 $ $
0.216 457 451 431 - - - - - - - -
44.3 44.3 44.3 - - - - - - - -
389 389 389 360 345 145 145 145 145 $ $
0.485 36 36 36 36 36 12.9 12.9 12.9 12.9 $ $
0.199 389 384 - - - - - - - - -
36 36 - - - - - - - - -
533 533 533 533 519 517 514 508 498 404 $
0.892 73.3 73.3 73.3 73.3 73.3 73.3 73.3 73.3 73.3 52.6 $
0.319 533 525 499 458 - - - - - - -
73.3 73.3 73.3 73.3 - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Pz (kN) F/Pz
457x152x82 Mcx
Pz = Agpy = 3620 Mcy
Mrx
Mry
457x152x74 Mcx
Pz = Agpy = 3260 Mcy
Mrx
Mry
457x152x67 Mcx
Pz = Agpy = 3040 Mcy
Mrx
Mry
457x152x60 Mcx
Pz = Agpy = 2710 Mcy
Mrx
Mry
457x152x52 Mcx
Pz = Agpy = 2360 Mcy
Mrx
Mry
406x178x74 Mcx
Pz = Agpy = 3350 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
478 478 478 473 455 452 446 437 312 312 $
0.789 65.2 65.2 65.2 65.2 65.2 65.2 65.2 65.2 40.1 40.1 $
0.284 478 470 448 - - - - - - - -
65.2 65.2 65.2 - - - - - - - -
426 426 426 408 395 390 383 225 225 225 $
0.658 57.5 57.5 57.5 57.5 57.5 57.5 57.5 28.5 28.5 28.5 $
0.231 426 419 399 - - - - - - - -
57.5 57.5 57.5 - - - - - - - -
375 375 375 359 345 340 333 187 187 187 $
0.628 49 49 49 49 49 49 49 23.1 23.1 23.1 $
0.236 375 369 353 - - - - - - - -
49 49 49 - - - - - - - -
315 315 311 291 282 122 122 122 122 $ $
0.496 32.2 32.2 32.2 32.2 32.2 11.9 11.9 11.9 11.9 $ $
0.184 315 311 - - - - - - - - -
32.2 32.2 - - - - - - - - -
257 257 250 234 225 87.3 87.3 87.3 87.3 $ $
0.438 24.6 24.6 24.6 24.6 24.6 8.02 8.02 8.02 8.02 $ $
0.174 257 254 - - - - - - - - -
24.6 24.6 - - - - - - - - -
430 430 430 430 430 430 430 430 430 430 430
n/a 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9 66.9
1 430 423 401 366 317 266 215 162 109 54.8 0
66.9 66.9 66.9 66.9 66.9 66.9 66.9 60.3 44.3 24.2 0
359 359 359 358 348 347 344 340 332 266 $
0.873 55 55 55 55 55 55 55 55 55 38.4 $
0.298 359 353 335 - - - - - - - -
55 55 55 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
406x178x67 Mcx
Pz = Agpy = 3040 Mcy
Mrx
Mry
406x178x60 Mcx
Pz = Agpy = 2720 Mcy
Mrx
Mry
406x178x54 Mcx
Pz = Agpy = 2450 Mcy
Mrx
Mry
406x140x46 Mcx
Pz = Agpy = 2080 Mcy
Mrx
Mry
406x140x39 Mcx
Pz = Agpy = 1760 Mcy
Mrx
Mry
356x171x67 Mcx
Pz = Agpy = 3040 Mcy
Mrx
Mry
356x171x57 Mcx
Pz = Agpy = 2580 Mcy
Mrx
Mry
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
318 318 318 310 301 299 295 288 198 198 $
0.754 48.1 48.1 48.1 48.1 48.1 48.1 48.1 48.1 28 28 $
0.258 318 313 298 - - - - - - - -
48.1 48.1 48.1 - - - - - - - -
275 275 275 266 257 254 250 153 153 153 $
0.686 40.4 40.4 40.4 40.4 40.4 40.4 40.4 21.1 21.1 21.1 $
0 - - - - - - - - - - -
- - - - - - - - - - -
234 234 234 224 214 210 206 114 114 $ $
0.619 24.2 24.2 24.2 24.2 24.2 24.2 24.2 11.2 11.2 $ $
0.238 234 231 221 - - - - - - - -
24.2 24.2 24.2 - - - - - - - -
193 193 193 180 173 169 77.2 77.2 77.2 $ $
0.517 19 19 19 19 19 19 7.29 7.29 7.29 $ $
0.206 193 190 182 - - - - - - - -
19 19 19 - - - - - - - -
300 300 300 300 300 300 300 300 300 300 300
n/a 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1
1 300 295 279 252 218 183 148 111 74.8 37.7 0
54.1 54.1 54.1 54.1 54.1 54.1 54.1 47.3 34.6 18.8 0
256 256 256 248 247 246 244 240 234 181 $
0.834 46 46 46 46 46 46 46 46 46 30.3 $
0.247 256 251 237 - - - - - - - -
46 46 46 - - - - - - - -
221 221 221 210 208 206 203 126 126 126 $
0.695 39.4 39.4 39.4 39.4 39.4 39.4 39.4 20.9 20.9 20.9 $
0.205 221 217 206 - - - - - - - -
39.4 39.4 39.4 - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x171x51 Mcx
Pz = Agpy = 2300 Mcy
Mrx
Mry
356x171x45 Mcx
Pz = Agpy = 2030 Mcy
Mrx
Mry
356x127x39 Mcx
Pz = Agpy = 1770 Mcy
Mrx
Mry
356x127x33 Mcx
Pz = Agpy = 1490 Mcy
Mrx
Mry
305x165x54 Mcx
Pz = Agpy = 2440 Mcy
Mrx
Mry
305x165x46 Mcx
Pz = Agpy = 2080 Mcy
Mrx
Mry
305x165x40 Mcx
Pz = Agpy = 1820 Mcy
Mrx
Mry
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
252 252 252 252 252 252 252 252 252 252 252
n/a 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4 31.4
1 252 249 238 219 193 162 131 99 66.5 33.5 0
31.4 31.4 31.4 31.4 31.4 31.4 31.4 30.1 22.5 12.4 0
218 218 218 218 218 218 218 218 218 218 218
n/a 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7
1 218 215 205 189 167 140 113 85.5 57.4 28.9 0
26.7 26.7 26.7 26.7 26.7 26.7 26.7 25.9 19.4 10.7 0
191 191 191 191 187 186 186 184 181 170 $
0.914 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 23.2 $
0.361 191 189 180 166 - - - - - - -
23.2 23.2 23.2 23.2 - - - - - - -
171 171 171 171 162 159 156 152 105 105 $
0.763 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1 9.54 9.54 $
0.321 171 168 161 150 - - - - - - -
16.1 16.1 16.1 16.1 - - - - - - -
143 143 143 141 133 129 126 72.4 72.4 $ $
0.648 13 13 13 13 13 13 13 6.35 6.35 $ $
0.281 143 141 135 - - - - - - - -
13 13 13 - - - - - - - -
121 121 121 120 112 107 104 56.8 56.8 $ $
0.61 10.3 10.3 10.3 10.3 10.3 10.3 10.3 4.71 4.71 $ $
0.287 121 120 115 - - - - - - - -
10.3 10.3 10.3 - - - - - - - -
201 201 201 201 201 201 201 201 201 201 201
n/a 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2 39.2
1 201 197 186 168 145 122 98.1 74.1 49.8 25.1 0
39.2 39.2 39.2 39.2 39.2 39.2 39.2 33.5 24.5 13.3 0
171 171 171 171 171 171 171 171 171 171 171
n/a 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2
1 171 168 159 143 124 104 83.6 63.1 42.4 21.3 0
33.2 33.2 33.2 33.2 33.2 33.2 33.2 28.6 20.9 11.4 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
305x127x48 Mcx
Pz = Agpy = 2170 Mcy
Mrx
Mry
305x127x42 Mcx
Pz = Agpy = 1900 Mcy
Mrx
Mry
305x127x37 Mcx
Pz = Agpy = 1680 Mcy
Mrx
Mry
305x102x33 Mcx
Pz = Agpy = 1480 Mcy
Mrx
Mry
305x102x28 Mcx
Pz = Agpy = 1270 Mcy
Mrx
Mry
305x102x25 Mcx
Pz = Agpy = 1120 Mcy
Mrx
Mry
254x146x43 Mcx
Pz = Agpy = 1950 Mcy
Mrx
Mry
254x146x37 Mcx
Pz = Agpy = 1680 Mcy
Mrx
Mry
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
140 140 140 140 138 138 137 137 135 131 $
0.947 26.1 26.1 26.1 26.1 26.1 26.1 26.1 26.1 26.1 26.1 $
0.311 140 137 130 119 - - - - - - -
26.1 26.1 26.1 26.1 - - - - - - -
125 125 125 125 125 124 124 124 123 122 $
0.977 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 $
0.383 125 123 118 109 - - - - - - -
14.9 14.9 14.9 14.9 - - - - - - -
109 109 109 109 107 106 105 104 102 95.4 $
0.907 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 $
0.379 109 107 103 95 - - - - - - -
12.4 12.4 12.4 12.4 - - - - - - -
91.9 91.9 91.9 91.9 90.5 87.3 86.4 84.8 81.7 63.1 $
0.837 10 10 10 10 10 10 10 10 10 6.62 $
0.375 91.9 90.7 87.1 81 - - - - - - -
10 10 10 10 - - - - - - -
111 111 111 111 111 111 111 111 111 111 111
n/a 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5 24.5
1 111 109 103 93.3 80.7 67.7 54.5 41.2 27.7 13.9 0
24.5 24.5 24.5 24.5 24.5 24.5 24.5 21.2 15.5 8.4 0
91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6 91.6
n/a 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7
1 91.6 90 85.2 77.2 66.8 56 45.1 34 22.8 11.5 0
19.7 19.7 19.7 19.7 19.7 19.7 19.7 17.5 12.8 6.98 0
83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1 83.1
n/a 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7 13.7
1 83.1 81.6 77.4 70.3 60.9 51.1 41.2 31.1 20.9 10.5 0
13.7 13.7 13.7 13.7 13.7 13.7 13.7 12.2 8.98 4.9 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
254x146x31 Mcx
Pz = Agpy = 1410 Mcy
Mrx
Mry
254x102x28 Mcx
Pz = Agpy = 1280 Mcy
Mrx
Mry
254x102x25 Mcx
Pz = Agpy = 1140 Mcy
Mrx
Mry
254x102x22 Mcx
Pz = Agpy = 994 Mcy
Mrx
Mry
203x133x30 Mcx
Pz = Agpy = 1360 Mcy
Mrx
Mry
203x133x25 Mcx
Pz = Agpy = 1140 Mcy
Mrx
Mry
203x102x23 Mcx
Pz = Agpy = 1040 Mcy
Mrx
Mry
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7 60.7
n/a 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5
1 60.7 59.6 56.3 50.9 44.1 37.1 29.8 22.5 15.1 7.62 0
11.5 11.5 11.5 11.5 11.5 11.5 11.5 10.1 7.4 4.03 0
43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7 43.7
n/a 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61 8.61
1 43.7 42.9 40.4 36.4 31.5 26.4 21.3 16.1 10.8 5.45 0
8.61 8.61 8.61 8.61 8.61 8.61 8.61 7.45 5.44 2.96 0
29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9 29.9
n/a 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26
1 29.9 29.3 27.5 24.5 21.2 17.8 14.4 10.9 7.31 3.69 0
6.26 6.26 6.26 6.26 6.26 6.26 6.26 5.25 3.82 2.07 0
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
178x102x19 Mcx
Pz = Agpy = 863 Mcy
Mrx
Mry
152x89x16 Mcx
Pz = Agpy = 721 Mcy
Mrx
Mry
127x76x13 Mcx
Pz = Agpy = 586 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
1 20800 20800 20800 20800 20800 20600 20500 20300 20100 19900 19700 19400
19000 16900 14500 11900 9630 7750 6310 5200 4340 3670 3140 2720
1 7770 7340 6580 5850 5180 4590 4100 3690 3360 3070 2830 2630
7770 7770 7770 7310 6780 6220 5650 5080 4530 4030 3590 3200
1 18700 18700 18700 18700 18700 18600 18400 18300 18200 18000 17900 17700
17300 15600 13600 11200 9010 7200 5810 4760 3960 3340 2850 2460
1 6950 6530 5810 5120 4490 3950 3500 3130 2830 2580 2370 2190
6950 6950 6950 6510 6030 5520 5000 4490 4000 3550 3160 2810
1 16800 16800 16800 16800 16800 16700 16500 16400 16300 16200 16000 15900
15500 14000 12100 9920 7930 6320 5100 4170 3470 2920 2490 2150
1 6210 5780 5120 4470 3880 3380 2970 2640 2370 2150 1960 1810
6210 6210 6200 5790 5350 4890 4410 3950 3510 3120 2770 2460
0.802 15400 15400 15400 15400 15400 15300 15200 15100 15000 14900 14800 14800
14400 13200 11600 9560 7600 6020 4820 3920 3240 2720 2320 1990
0.802 4950 4700 4200 3710 3240 2830 2490 2210 1980 1790 1640 1510
4950 4950 4930 4600 4250 3880 3510 3130 2780 2470 2190 1940
0.321 5720 5300 4660 4040 3470 2990 2610 2300 2050 1850 1680 1540
5720 5720 5700 5320 4920 4490 4050 3620 3220 2850 2530 2250
0.678 13800 13800 13800 13800 13800 13700 13700 13600 13500 13400 13300 13300
12900 11800 10300 8490 6730 5310 4250 3460 2860 2400 2040 1760
0.678 4440 4200 3730 3270 2830 2450 2140 1890 1680 1510 1380 1260
4440 4440 4420 4120 3800 3460 3120 2780 2460 2180 1930 1720
0.266 5120 4710 4130 3540 3020 2580 2230 1950 1730 1560 1410 1290
5120 5120 5090 4750 4380 3990 3590 3200 2840 2510 2230 1980
0.518 12000 12000 12000 12000 12000 11900 11900 11800 11700 11600 11600 11500
11200 10300 8950 7340 5810 4590 3670 2980 2470 2070 1760 1510
0.518 3860 3630 3210 2790 2390 2050 1770 1550 1370 1220 1110 1010
3860 3860 3830 3570 3290 3000 2700 2410 2130 1890 1670 1480
0.192 4430 4060 3530 3010 2540 2150 1840 1600 1410 1260 1130 1030
4430 4430 4390 4090 3780 3440 3100 2760 2450 2160 1920 1700
0.518 10900 10900 10900 10900 10900 10900 10800 10800 10700 10600 10600 10500
10200 9250 7940 6390 4990 3910 3120 2530 2090 1750 1490 1280
0.518 3390 3150 2770 2380 2020 1710 1470 1270 1120 995 894 812
3390 3390 3330 3080 2830 2550 2280 2020 1780 1560 1380 1220
0.21 3920 3540 3060 2570 2140 1800 1520 1310 1150 1020 914 828
3920 3920 3840 3560 3270 2950 2640 2330 2050 1810 1590 1410
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
1016x305x487 # + Pcx
Pz = Agpy = 20800 Pcy
pyZx = 6610 Mb
pyZy = 580 Mbs
1016x305x437 # + Pcx
Pz = Agpy = 18700 Pcy
pyZx = 5940 Mb
pyZy = 514 Mbs
1016x305x393 # + Pcx
Pz = Agpy = 16800 Pcy
pyZx = 5330 Mb
pyZy = 453 Mbs
* 1016x305x349 # + Pcx
Pz = Agpy = 15400 Pcy
pyZx = 4950 Mb
pyZy = 422 Mbs
Mb
Mbs
* 1016x305x314 # + Pcx
Pz = Agpy = 13800 Pcy
pyZx = 4440 Mb
pyZy = 373 Mbs
Mb
Mbs
* 1016x305x272 # + Pcx
Pz = Agpy = 12000 Pcy
pyZx = 3860 Mb
pyZy = 322 Mbs
Mb
Mbs
* 1016x305x249 # + Pcx
Pz = Agpy = 10900 Pcy
pyZx = 3390 Mb
pyZy = 270 Mbs
Mb
Mbs
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.487 9760 9760 9760 9760 9750 9700 9640 9590 9530 9460 9400 9330
9020 8110 6820 5380 4150 3230 2560 2070 1710 1430 1210 1040
0.487 2900 2670 2320 1970 1650 1390 1180 1010 885 782 700 632
2900 2900 2810 2590 2350 2110 1860 1640 1430 1250 1100 971
0.211 3380 3010 2570 2130 1750 1450 1220 1050 909 801 715 645
3380 3380 3280 3020 2740 2460 2170 1910 1670 1460 1280 1130
0.934 17000 17000 17000 17000 17000 16900 16800 16700 16600 16500 16400 16300
16700 16000 15100 14100 12800 11300 9770 8350 7130 6120 5280 4590
0.934 5390 5390 5250 4880 4510 4140 3780 3440 3140 2870 2640 2430
5390 5390 5390 5390 5360 5120 4880 4620 4350 4070 3790 3520
0.321 6100 6100 5830 5380 4920 4460 4030 3640 3300 3000 2740 2520
6100 6100 6100 6100 6060 5790 5510 5220 4910 4600 4290 3980
0.8 15100 15100 15100 15100 15100 15000 14900 14800 14700 14600 14500 14400
14800 14100 13400 12400 11200 9870 8500 7240 6180 5290 4560 3970
0.8 4740 4740 4590 4250 3910 3560 3230 2930 2650 2410 2200 2020
4740 4740 4740 4740 4690 4480 4260 4030 3790 3540 3290 3050
0.276 5340 5340 5080 4670 4250 3830 3440 3080 2770 2500 2270 2080
5340 5340 5340 5340 5290 5050 4800 4540 4270 3990 3710 3440
0.767 12700 12700 12700 12700 12700 12600 12500 12400 12400 12300 12200 12100
11900 11000 9650 8000 6380 5060 4060 3310 2740 2300 1960 1680
0.767 3750 3570 3190 2810 2440 2110 1840 1620 1450 1300 1180 1080
3750 3750 3750 3500 3240 2970 2680 2400 2140 1900 1680 1500
0.324 4340 4030 3540 3050 2610 2230 1930 1690 1490 1340 1210 1110
4340 4340 4330 4050 3750 3430 3100 2770 2470 2190 1950 1730
0.624 11100 11100 11100 11100 11100 11100 11000 10900 10900 10800 10700 10600
10500 9590 8390 6920 5490 4340 3480 2830 2340 1970 1670 1440
0.624 3280 3100 2750 2400 2060 1770 1530 1340 1180 1060 952 867
3280 3280 3260 3040 2810 2570 2310 2070 1840 1630 1440 1280
0.257 3770 3480 3040 2600 2200 1860 1590 1380 1220 1080 975 886
3770 3770 3760 3510 3240 2960 2660 2380 2110 1870 1660 1470
0.533 9870 9870 9870 9870 9840 9780 9720 9660 9600 9530 9460 9380
9230 8430 7310 5960 4700 3700 2960 2400 1990 1670 1420 1220
0.533 2850 2680 2370 2040 1740 1480 1270 1100 963 855 767 695
2850 2850 2820 2630 2420 2200 1970 1750 1550 1370 1210 1080
0.221 3290 3010 2610 2210 1850 1550 1320 1130 990 876 784 709
3290 3290 3250 3030 2790 2530 2270 2020 1790 1580 1400 1240
BS 5950-1: 2000 AXIAL LOAD & BENDING
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 1016x305x222 # + Pcx
Pz = Agpy = 9760 Pcy
pyZx = 2900 Mb
pyZy = 219 Mbs
Mb
Mbs
* 914x419x388 # Pcx
Pz = Agpy = 17000 Pcy
pyZx = 5390 Mb
pyZy = 746 Mbs
Mb
Mbs
* 914x419x343 # Pcx
Pz = Agpy = 15100 Pcy
pyZx = 4740 Mb
pyZy = 645 Mbs
Mb
Mbs
* 914x305x289 # Pcx
Pz = Agpy = 12700 Pcy
pyZx = 3750 Mb
pyZy = 350 Mbs
Mb
Mbs
* 914x305x253 # Pcx
Pz = Agpy = 11100 Pcy
pyZx = 3280 Mb
pyZy = 300 Mbs
Mb
Mbs
* 914x305x224 # Pcx
Pz = Agpy = 9870 Pcy
pyZx = 2850 Mb
pyZy = 255 Mbs
Mb
Mbs
BS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.481 8830 8830 8830 8830 8800 8750 8700 8640 8580 8520 8450 8380
8220 7460 6390 5140 4010 3140 2500 2030 1670 1400 1190 1030
0.481 2490 2310 2030 1740 1460 1230 1050 902 786 694 620 559
2490 2490 2440 2260 2070 1870 1670 1470 1300 1140 1010 891
0.206 2880 2610 2240 1880 1550 1290 1090 930 808 711 633 570
2880 2880 2830 2620 2400 2170 1930 1710 1500 1320 1170 1030
0.632 9970 9970 9970 9970 9920 9860 9800 9730 9660 9580 9500 9420
9320 8520 7390 6030 4750 3740 2990 2430 2010 1680 1430 1230
0.632 2750 2580 2280 1980 1690 1450 1250 1090 968 866 782 713
2750 2750 2730 2540 2330 2120 1900 1690 1500 1320 1170 1040
0.251 3160 2880 2510 2130 1800 1520 1300 1130 995 888 800 728
3160 3160 3130 2910 2680 2430 2180 1940 1720 1520 1340 1190
0.534 8520 8520 8520 8520 8480 8420 8360 8310 8240 8180 8100 8030
7930 7190 6160 4950 3860 3020 2410 1950 1610 1350 1150 987
0.534 2290 2120 1860 1590 1350 1140 972 840 736 653 586 531
2290 2290 2250 2080 1910 1720 1530 1360 1190 1050 926 819
0.219 2640 2380 2050 1710 1420 1190 1010 866 756 669 599 541
2640 2640 2580 2390 2190 1980 1770 1560 1370 1210 1070 942
0.485 7730 7730 7730 7730 7680 7630 7580 7520 7470 7400 7340 7270
7160 6460 5470 4340 3360 2620 2080 1690 1390 1170 990 851
0.485 2030 1870 1630 1380 1160 972 824 708 617 545 487 439
2030 2030 1980 1830 1660 1500 1330 1170 1020 897 789 697
0.203 2350 2100 1790 1490 1220 1010 853 729 633 557 497 447
2350 2350 2280 2110 1920 1730 1530 1350 1180 1040 912 805
0.718 8660 8660 8660 8640 8580 8520 8460 8390 8320 8240 8150 8060
7980 7140 5960 4670 3580 2780 2200 1780 1470 1230 1040 896
0.718 2150 1950 1700 1440 1220 1040 898 786 697 625 567 519
2150 2150 2070 1900 1730 1540 1360 1190 1040 905 794 700
0.293 2470 2180 1850 1550 1290 1090 930 809 715 640 579 529
2470 2470 2380 2190 1980 1770 1560 1360 1190 1040 913 805
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 914x305x201 # Pcx
Pz = Agpy = 8830 Pcy
pyZx = 2490 Mb
pyZy = 214 Mbs
Mb
Mbs
* 838x292x226 # Pcx
Pz = Agpy = 9970 Pcy
pyZx = 2750 Mb
pyZy = 267 Mbs
Mb
Mbs
* 838x292x194 # Pcx
Pz = Agpy = 8520 Pcy
pyZx = 2290 Mb
pyZy = 214 Mbs
Mb
Mbs
* 838x292x176 # Pcx
Pz = Agpy = 7730 Pcy
pyZx = 2030 Mb
pyZy = 185 Mbs
Mb
Mbs
* 762x267x197 Pcx
Pz = Agpy = 8660 Pcy
pyZx = 2150 Mb
pyZy = 210 Mbs
Mb
Mbs
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.617 7590 7590 7590 7570 7520 7460 7410 7350 7280 7210 7130 7050
6960 6200 5120 3970 3030 2340 1850 1500 1230 1030 875 751
0.617 1860 1670 1440 1210 1010 853 729 632 557 496 447 407
1860 1860 1780 1630 1470 1300 1140 997 867 756 662 583
0.256 2140 1860 1570 1290 1060 887 753 650 570 507 456 415
2140 2140 2040 1870 1690 1500 1320 1150 998 870 762 670
0.5 6450 6450 6450 6430 6390 6340 6290 6240 6180 6120 6050 5980
5880 5190 4220 3220 2440 1880 1480 1200 985 824 699 600
0.5 1540 1370 1160 966 796 662 559 480 419 371 332 301
1540 1540 1460 1330 1190 1050 916 793 687 597 522 458
0.208 1770 1520 1270 1030 835 687 576 493 429 378 338 306
1780 1780 1680 1530 1370 1210 1060 915 793 689 602 529
0.424 6070 6070 6070 6050 6000 5960 5910 5860 5800 5740 5680 5600
5510 4810 3850 2900 2180 1670 1320 1060 873 729 618 531
0.424 1430 1250 1050 865 705 581 487 416 361 318 283 256
1430 1430 1330 1210 1080 945 818 705 608 527 459 403
0.173 1620 1390 1150 919 737 602 501 426 369 324 288 260
1650 1650 1540 1400 1250 1090 946 815 703 609 531 466
0.763 7490 7490 7490 7450 7390 7330 7260 7200 7120 7040 6950 6840
6860 6090 5010 3860 2940 2270 1800 1450 1190 1000 848 729
0.763 1700 1520 1310 1110 936 797 689 604 537 483 438 402
1700 1700 1620 1480 1330 1180 1030 900 782 681 596 524
0.303 1940 1680 1420 1180 984 829 711 621 550 493 447 409
1940 1940 1850 1690 1530 1350 1180 1030 895 780 682 600
0.65 6690 6690 6690 6660 6600 6550 6490 6430 6360 6290 6200 6110
6120 5410 4420 3390 2580 1990 1570 1270 1040 873 740 636
0.65 1510 1340 1150 961 803 677 580 505 446 399 361 330
1510 1510 1430 1310 1180 1040 907 787 683 594 519 457
0.256 1710 1480 1240 1020 841 702 598 518 456 407 368 335
1730 1730 1640 1500 1340 1190 1040 900 781 679 594 522
0.58 6140 6140 6140 6100 6060 6010 5950 5890 5830 5760 5680 5600
5600 4930 4010 3060 2320 1780 1410 1140 934 781 663 569
0.58 1380 1210 1030 860 713 597 509 440 387 345 311 283
1380 1380 1300 1180 1060 936 815 706 611 531 464 408
0.228 1560 1340 1120 912 745 618 523 451 396 352 317 288
1570 1570 1490 1350 1210 1070 932 807 699 607 530 466
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 762x267x173 Pcx
Pz = Agpy = 7590 Pcy
pyZx = 1860 Mb
pyZy = 177 Mbs
Mb
Mbs
* 762x267x147 Pcx
Pz = Agpy = 6450 Pcy
pyZx = 1540 Mb
pyZy = 142 Mbs
Mb
Mbs
* 762x267x134 Pcx
Pz = Agpy = 6070 Pcy
pyZx = 1430 Mb
pyZy = 129 Mbs
Mb
Mbs
* 686x254x170 Pcx
Pz = Agpy = 7490 Pcy
pyZx = 1700 Mb
pyZy = 179 Mbs
Mb
Mbs
* 686x254x152 Pcx
Pz = Agpy = 6690 Pcy
pyZx = 1510 Mb
pyZy = 157 Mbs
Mb
Mbs
* 686x254x140 Pcx
Pz = Agpy = 6140 Pcy
pyZx = 1380 Mb
pyZy = 141 Mbs
Mb
Mbs
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.519 5490 5490 5490 5450 5410 5360 5310 5260 5200 5140 5060 4980
4970 4340 3480 2620 1970 1520 1200 963 792 662 561 482
0.519 1200 1050 884 727 596 495 418 359 314 278 250 226
1200 1200 1120 1020 908 795 689 594 512 444 387 340
0.211 1360 1160 956 770 622 511 429 368 320 283 254 230
1380 1380 1290 1170 1040 912 790 681 588 510 444 390
1 10500 10500 10500 10400 10300 10200 10100 9990 9870 9740 9590 9420
9960 9300 8420 7280 6030 4900 3980 3270 2720 2290 1960 1690
1 2580 2480 2240 2010 1780 1590 1420 1270 1160 1060 972 900
2580 2580 2580 2500 2340 2170 2000 1830 1650 1490 1340 1200
0.899 7870 7870 7860 7800 7730 7660 7590 7500 7410 7310 7200 7060
7480 6960 6270 5370 4410 3560 2890 2370 1970 1660 1410 1220
0.899 1700 1650 1490 1320 1170 1030 905 804 721 652 594 546
1700 1700 1700 1630 1530 1420 1300 1180 1060 955 855 766
0.296 1910 1820 1620 1430 1240 1080 942 832 742 669 609 558
1910 1910 1910 1840 1720 1590 1460 1330 1200 1070 961 861
0.671 6560 6560 6550 6500 6440 6380 6320 6250 6170 6080 5990 5870
6220 5780 5190 4440 3630 2930 2370 1940 1610 1360 1160 996
0.671 1420 1360 1220 1080 940 816 711 624 554 497 449 410
1420 1420 1420 1360 1270 1170 1070 974 877 786 703 629
0.213 1580 1500 1330 1160 993 852 736 643 568 508 459 418
1580 1580 1580 1520 1420 1310 1200 1090 980 878 786 703
0.781 6140 6140 6130 6080 6030 5970 5900 5840 5760 5670 5570 5460
5520 4750 3720 2770 2060 1580 1240 1000 821 686 581 499
0.781 1240 1070 905 752 629 534 461 405 361 325 296 272
1250 1250 1150 1040 915 794 682 584 502 434 377 330
0.305 1390 1180 975 796 656 552 475 415 369 332 302 277
1430 1430 1320 1190 1050 908 780 668 574 496 431 378
0.664 5490 5490 5480 5430 5380 5330 5270 5210 5140 5060 4980 4870
4920 4210 3280 2430 1810 1380 1090 873 717 599 507 435
0.664 1100 945 790 649 537 451 387 338 299 268 244 223
1110 1110 1020 916 806 697 598 511 438 378 329 288
0.257 1230 1040 849 685 559 466 397 345 305 273 248 227
1270 1270 1160 1040 920 796 682 583 500 432 375 328
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 686x254x125 Pcx
Pz = Agpy = 5490 Pcy
pyZx = 1200 Mb
pyZy = 119 Mbs
Mb
Mbs
610x305x238 Pcx
Pz = Agpy = 10500 Pcy
pyZx = 2270 Mb
pyZy = 351 Mbs
* 610x305x179 Pcx
Pz = Agpy = 7870 Pcy
pyZx = 1700 Mb
pyZy = 256 Mbs
Mb
Mbs
* 610x305x149 Pcx
Pz = Agpy = 6560 Pcy
pyZx = 1420 Mb
pyZy = 211 Mbs
Mb
Mbs
* 610x229x140 Pcx
Pz = Agpy = 6140 Pcy
pyZx = 1250 Mb
pyZy = 135 Mbs
Mb
Mbs
* 610x229x125 Pcx
Pz = Agpy = 5490 Pcy
pyZx = 1110 Mb
pyZy = 118 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.586 4970 4970 4960 4920 4870 4820 4770 4710 4650 4580 4490 4400
4430 3770 2910 2140 1590 1210 951 764 627 524 444 381
0.586 973 834 690 561 459 383 325 282 249 222 201 183
992 991 903 808 708 610 521 444 380 328 285 249
0.228 1090 916 740 590 477 394 334 288 253 226 204 186
1130 1130 1030 923 809 697 595 507 434 374 325 284
0.513 4580 4580 4570 4530 4480 4440 4390 4330 4270 4200 4120 4020
4050 3390 2560 1850 1370 1040 813 653 536 447 378 324
0.513 867 736 600 480 387 319 269 231 202 180 162 147
893 883 800 711 617 527 446 378 323 277 240 210
0.204 973 809 642 503 401 328 275 236 206 183 164 149
1020 1010 917 814 707 603 511 434 370 317 275 240
0.928 5350 5350 5320 5260 5210 5150 5080 5000 4910 4810 4690 4550
4720 3940 2970 2150 1580 1200 944 758 621 518 439 376
0.928 935 800 668 553 463 395 344 304 272 247 226 208
964 952 862 764 662 565 478 405 346 297 257 224
0.359 1050 879 716 583 482 409 354 312 278 252 230 212
1100 1090 986 874 758 646 547 464 395 340 294 257
0.804 4800 4800 4770 4720 4670 4610 4550 4480 4400 4310 4200 4070
4220 3500 2610 1880 1380 1050 823 661 542 452 382 328
0.804 825 700 577 471 390 329 284 249 222 201 183 168
855 840 759 671 579 492 415 352 299 257 222 194
0.311 922 766 616 494 404 339 291 255 227 204 186 171
976 960 866 766 661 562 474 401 342 293 254 221
0.714 4450 4450 4420 4380 4330 4280 4220 4160 4080 4000 3890 3770
3910 3230 2400 1730 1270 964 755 606 496 414 351 301
0.714 761 643 526 426 350 294 252 221 196 176 160 147
791 776 700 618 532 452 381 322 274 235 203 177
0.272 849 702 561 446 362 302 258 225 200 179 163 149
901 885 798 704 607 515 434 367 312 268 232 202
0.619 4150 4150 4120 4080 4040 3990 3930 3870 3800 3710 3610 3490
3620 2960 2170 1540 1130 857 670 537 440 367 311 266
0.619 702 588 474 378 307 255 218 189 167 150 136 124
736 717 644 565 484 408 343 289 245 210 181 158
0.237 782 640 503 395 317 262 222 193 170 152 138 126
838 816 734 644 551 465 390 329 279 239 206 180
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 610x229x113 Pcx
Pz = Agpy = 4970 Pcy
pyZx = 992 Mb
pyZy = 104 Mbs
Mb
Mbs
* 610x229x101 Pcx
Pz = Agpy = 4580 Pcy
pyZx = 893 Mb
pyZy = 90.9 Mbs
Mb
Mbs
* 533x210x122 Pcx
Pz = Agpy = 5350 Pcy
pyZx = 964 Mb
pyZy = 110 Mbs
Mb
Mbs
* 533x210x109 Pcx
Pz = Agpy = 4800 Pcy
pyZx = 855 Mb
pyZy = 96.3 Mbs
Mb
Mbs
* 533x210x101 Pcx
Pz = Agpy = 4450 Pcy
pyZx = 791 Mb
pyZy = 88.3 Mbs
Mb
Mbs
* 533x210x92 Pcx
Pz = Agpy = 4150 Pcy
pyZx = 736 Mb
pyZy = 80.9 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11 12 13
0.564 3730 3730 3700 3660 3620 3570 3520 3460 3390 3310 3220 3100
3220 2590 1870 1320 964 729 569 456 374 311 264 226
0.564 606 503 400 315 253 208 176 152 133 119 107 97.5
639 617 552 480 408 342 286 240 203 173 150 130
0.225 676 548 424 328 261 213 179 154 135 120 109 98.8
731 706 631 550 467 391 327 274 232 198 171 149
0.998 4310 4310 4260 4210 4150 4090 4020 3930 3830 3700 3550 3380
3730 3000 2160 1530 1120 847 661 530 434 362 306 262
0.998 640 539 444 366 307 263 229 204 183 167 153 141
675 652 583 507 431 361 302 254 215 184 158 138
0.371 714 588 473 383 318 271 235 208 187 170 156 144
770 744 665 578 492 412 344 289 245 209 181 157
0.88 3930 3930 3880 3840 3790 3730 3660 3580 3490 3370 3230 3070
3390 2710 1950 1370 1000 759 593 475 389 324 274 235
0.88 576 481 391 318 264 224 195 172 154 140 128 118
611 588 525 455 386 323 269 226 191 163 141 123
0.325 641 523 415 333 273 231 199 176 157 142 130 120
695 669 597 518 439 367 307 257 218 186 160 140
0.783 3690 3690 3640 3600 3550 3490 3430 3350 3250 3140 3000 2830
3160 2490 1760 1230 897 677 528 423 346 289 244 209
0.783 535 442 353 283 232 196 169 148 132 119 109 100
572 546 485 418 352 293 243 203 172 146 126 110
0.294 593 478 374 295 240 201 172 151 134 121 110 101
650 621 551 476 400 333 276 231 195 166 143 125
0.666 3360 3350 3310 3270 3230 3180 3120 3040 2960 2850 2730 2580
2860 2250 1580 1110 806 608 474 380 311 259 219 188
0.666 482 395 313 248 201 168 144 126 112 100 91.3 83.8
518 493 437 376 316 262 218 182 154 131 113 98.1
0.244 533 427 329 257 207 172 147 128 113 102 92.6 84.9
587 559 496 427 358 297 247 206 174 148 128 111
0.601 3040 3030 2990 2950 2910 2860 2810 2740 2660 2560 2440 2300
2570 2000 1390 970 703 530 413 331 271 226 191 163
0.601 425 346 270 211 170 141 120 104 91.7 82.2 74.5 68.2
460 436 385 329 275 227 188 157 132 113 97 84.3
0.226 471 373 284 219 175 144 122 106 93.1 83.3 75.5 69
522 495 437 374 312 258 214 178 150 128 110 95.6
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 533x210x82 Pcx
Pz = Agpy = 3730 Pcy
pyZx = 639 Mb
pyZy = 68.2 Mbs
Mb
Mbs
* 457x191x98 Pcx
Pz = Agpy = 4310 Pcy
pyZx = 675 Mb
pyZy = 83.8 Mbs
Mb
Mbs
* 457x191x89 Pcx
Pz = Agpy = 3930 Pcy
pyZx = 611 Mb
pyZy = 75.2 Mbs
Mb
Mbs
* 457x191x82 Pcx
Pz = Agpy = 3690 Pcy
pyZx = 572 Mb
pyZy = 69.6 Mbs
Mb
Mbs
* 457x191x74 Pcx
Pz = Agpy = 3360 Pcy
pyZx = 518 Mb
pyZy = 62.5 Mbs
Mb
Mbs
* 457x191x67 Pcx
Pz = Agpy = 3040 Pcy
pyZx = 460 Mb
pyZy = 54.3 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
0.88 3620 3620 3620 3620 3620 3600 3580 3530 3480 3430 3360 3290
3420 3160 2810 2360 1910 1530 1230 831 595 446 346 276
0.88 542 522 470 418 368 323 286 228 189 161 140 125
542 542 542 512 476 438 399 321 255 204 165 135
0.353 625 587 522 456 395 343 300 237 194 165 143 127
625 625 625 590 549 505 459 370 294 235 190 156
0.762 3260 3260 3260 3260 3250 3240 3220 3180 3130 3080 3020 2950
3080 2840 2510 2100 1690 1350 1080 732 524 392 304 243
0.762 488 467 419 370 323 281 247 195 160 135 117 104
488 488 488 459 426 391 355 285 226 180 145 119
0.304 561 525 464 402 346 297 258 201 164 138 119 105
561 561 561 528 490 450 409 328 260 207 167 137
0.666 3040 3040 3040 3040 3030 3010 3000 2960 2910 2870 2810 2740
2860 2620 2300 1900 1510 1200 958 645 460 344 267 213
0.666 448 425 378 331 286 246 214 166 134 113 97.1 85.3
448 448 447 418 386 353 319 253 199 158 127 104
0.27 516 477 418 359 304 259 223 171 138 115 98.8 86.7
516 516 514 480 444 406 367 291 229 182 146 120
0.549 2710 2710 2710 2710 2700 2680 2670 2630 2590 2550 2500 2440
2540 2330 2030 1670 1320 1040 835 561 400 299 232 185
0.549 398 375 333 289 247 211 182 139 112 92.8 79.4 69.5
398 398 396 369 341 311 280 222 174 138 111 90.6
0.216 457 420 366 312 262 221 189 143 114 94.6 80.7 70.5
457 457 454 424 391 357 321 254 199 158 127 104
0.485 2360 2360 2360 2360 2360 2340 2330 2300 2260 2220 2170 2120
2210 2010 1730 1400 1090 857 683 458 326 244 189 150
0.485 337 315 277 237 201 170 144 109 86 70.8 60.1 52.2
337 337 332 308 283 256 229 179 139 110 88 71.9
0.199 389 353 305 256 213 177 150 112 87.8 72.1 61 52.9
389 389 383 356 326 296 264 207 161 126 101 82.9
0.892 3350 3350 3350 3350 3340 3320 3290 3250 3190 3130 3050 2960
3230 3050 2820 2520 2160 1800 1490 1040 750 565 440 352
0.892 470 470 432 393 354 316 283 228 188 160 139 123
470 470 470 467 442 416 388 331 275 226 186 155
0.319 533 525 478 430 382 337 298 237 194 164 142 125
533 533 533 530 501 472 440 375 312 256 212 176
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
Le (m)
* 457x152x82 Pcx
Pz = Agpy = 3620 Pcy
pyZx = 542 Mb
pyZy = 52.8 Mbs
Mb
Mbs
* 457x152x74 Pcx
Pz = Agpy = 3260 Pcy
pyZx = 488 Mb
pyZy = 46.9 Mbs
Mb
Mbs
* 457x152x67 Pcx
Pz = Agpy = 3040 Pcy
pyZx = 448 Mb
pyZy = 42.2 Mbs
Mb
Mbs
* 457x152x60 Pcx
Pz = Agpy = 2710 Pcy
pyZx = 398 Mb
pyZy = 36.9 Mbs
Mb
Mbs
* 457x152x52 Pcx
Pz = Agpy = 2360 Pcy
pyZx = 337 Mb
pyZy = 30 Mbs
Mb
Mbs
* 406x178x74 Pcx
Pz = Agpy = 3350 Pcy
pyZx = 470 Mb
pyZy = 61.1 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
0.789 3040 3040 3040 3040 3020 3000 2980 2940 2890 2830 2760 2670
2920 2760 2540 2260 1930 1610 1320 917 664 500 389 311
0.789 422 421 386 349 313 278 246 196 160 135 116 102
422 422 422 418 395 372 346 294 243 200 164 137
0.284 478 469 426 381 336 295 259 203 165 138 119 104
478 478 478 473 448 421 392 333 275 226 186 155
0.658 2720 2720 2720 2720 2700 2680 2660 2630 2580 2530 2460 2390
2610 2460 2270 2020 1720 1430 1180 814 588 443 345 276
0.658 377 375 343 310 276 243 214 168 136 114 97.5 85.2
377 377 377 373 353 331 309 262 216 177 146 121
0.231 426 417 377 336 295 257 224 174 140 116 99.2 86.6
426 426 426 421 398 374 348 295 244 200 165 137
0.628 2450 2450 2450 2450 2430 2420 2400 2360 2320 2270 2210 2140
2350 2210 2020 1780 1500 1230 1010 696 502 377 294 235
0.628 330 327 298 267 236 207 180 140 112 92.6 78.8 68.5
330 330 330 324 305 286 265 222 182 149 122 101
0.236 375 364 328 291 253 218 189 144 115 94.5 80.2 69.5
375 375 375 367 346 324 301 252 207 169 138 114
0.496 2080 2080 2080 2080 2070 2050 2040 2010 1970 1930 1880 1810
1930 1750 1490 1190 925 722 574 384 273 204 158 126
0.496 276 254 221 189 159 134 115 87.2 69.7 57.9 49.5 43.3
276 276 270 250 228 206 183 142 110 86.1 68.9 56.2
0.184 315 282 242 202 167 140 118 89.3 71 58.8 50.2 43.9
315 315 308 285 261 235 209 162 125 98.2 78.7 64.2
0.438 1760 1760 1760 1760 1750 1740 1730 1700 1670 1630 1580 1520
1620 1450 1210 942 721 559 442 294 209 156 121 96.1
0.438 223 202 174 146 121 101 84.8 63.2 49.7 40.8 34.5 29.9
223 223 215 197 179 159 140 107 81.6 63.7 50.8 41.3
0.174 257 225 190 156 127 105 87.5 64.6 50.6 41.4 35 30.3
257 257 247 227 206 183 161 123 93.9 73.3 58.4 47.6
1 3040 3040 3040 3030 3000 2980 2960 2910 2850 2770 2680 2560
2920 2760 2540 2260 1930 1610 1320 917 664 500 389 311
1 430 422 384 346 309 274 244 196 163 139 121 107
430 430 430 426 403 378 353 299 248 203 167 139
0.873 2580 2580 2580 2570 2550 2530 2510 2470 2410 2350 2260 2160
2480 2330 2140 1890 1610 1330 1090 752 543 409 318 254
0.873 318 315 288 261 233 207 183 146 120 102 88.1 77.8
318 318 318 313 296 277 258 217 179 146 120 99.7
0.298 359 350 317 283 249 219 192 151 124 104 89.8 79.1
359 359 359 353 333 313 291 245 202 165 135 112
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
* 406x178x67 Pcx
Pz = Agpy = 3040 Pcy
pyZx = 422 Mb
pyZy = 54.3 Mbs
Mb
Mbs
* 406x178x60 Pcx
Pz = Agpy = 2720 Pcy
pyZx = 377 Mb
pyZy = 47.9 Mbs
Mb
Mbs
* 406x178x54 Pcx
Pz = Agpy = 2450 Pcy
pyZx = 330 Mb
pyZy = 40.8 Mbs
Mb
Mbs
* 406x140x46 Pcx
Pz = Agpy = 2080 Pcy
pyZx = 276 Mb
pyZy = 26.9 Mbs
Mb
Mbs
* 406x140x39 Pcx
Pz = Agpy = 1760 Pcy
pyZx = 223 Mb
pyZy = 20.5 Mbs
Mb
Mbs
356x171x67 Pcx
Pz = Agpy = 3040 Pcy
pyZx = 380 Mb
pyZy = 55.7 Mbs
* 356x171x57 Pcx
Pz = Agpy = 2580 Pcy
pyZx = 318 Mb
pyZy = 45.8 Mbs
Mb
Mbs
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
0.754 2300 2300 2300 2300 2280 2260 2240 2200 2150 2090 2020 1920
2210 2080 1900 1680 1420 1160 955 657 474 357 278 222
0.754 283 279 254 229 203 179 157 124 101 84.3 72.5 63.6
283 283 283 277 262 245 227 191 157 128 105 86.8
0.258 318 309 279 247 217 188 164 128 103 86 73.8 64.6
318 318 318 312 294 276 256 215 176 144 118 97.7
0.686 2030 2030 2030 2020 2010 1990 1980 1940 1900 1840 1770 1680
1950 1820 1660 1450 1210 991 808 554 399 300 233 186
0.686 244 239 217 194 171 149 130 101 80.7 67 57.2 49.8
244 244 244 238 223 209 193 161 131 106 86.7 71.7
0 275 265 238 210 182 157 135 104 82.6 68.3 58.1 50.6
275 275 275 268 252 235 218 181 147 120 97.8 80.9
0.619 1770 1770 1770 1760 1750 1730 1720 1680 1640 1590 1530 1450
1610 1410 1130 859 647 497 392 260 184 137 106 84.3
0.619 204 179 152 127 105 88.6 75.8 58.3 47.1 39.6 34.2 30.1
204 204 192 175 156 137 119 88.7 67 52 41.3 33.5
0.238 230 198 165 134 110 91.8 78 59.5 48 40.2 34.7 30.5
234 234 220 200 178 157 136 101 76.7 59.5 47.2 38.4
0.517 1490 1490 1490 1490 1470 1460 1450 1420 1380 1340 1280 1210
1350 1170 921 687 513 393 309 204 145 108 83.2 66.2
0.517 167 145 121 99.2 81.1 67.2 56.8 42.8 34.1 28.4 24.3 21.2
168 168 156 141 124 108 93.3 68.8 51.8 40 31.7 25.7
0.206 188 160 131 105 84.5 69.4 58.3 43.7 34.7 28.8 24.6 21.5
193 193 179 161 143 124 107 79 59.4 45.9 36.4 29.5
1 2440 2440 2440 2420 2400 2380 2350 2300 2230 2140 2020 1870
2350 2210 2030 1800 1530 1270 1040 719 520 391 304 243
1 300 294 267 240 214 190 169 136 113 96.9 84.7 75.2
300 300 300 296 280 262 244 206 170 139 114 94.9
0.834 2080 2080 2080 2070 2050 2030 2010 1960 1900 1830 1730 1600
2000 1880 1730 1530 1290 1070 878 605 437 329 256 205
0.834 229 226 207 187 167 148 131 105 86.8 73.7 64 56.6
229 229 229 226 213 200 186 156 129 105 86.3 71.6
0.247 256 249 225 201 177 156 137 108 88.9 75.2 65.2 57.5
256 256 256 252 237 223 207 174 143 117 96.2 79.8
0.695 1820 1820 1820 1800 1790 1770 1750 1710 1660 1590 1500 1390
1750 1640 1500 1330 1120 921 755 520 375 282 219 175
0.695 199 196 178 160 141 124 109 86.1 70.1 58.9 50.7 44.6
199 199 199 195 184 172 160 134 110 89.8 73.6 61
0.205 221 214 193 171 150 130 114 88.6 71.7 60 51.6 45.2
221 221 221 217 205 192 178 149 122 99.9 81.9 67.9
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 356x171x51 Pcx
Pz = Agpy = 2300 Pcy
pyZx = 283 Mb
pyZy = 40.1 Mbs
Mb
Mbs
* 356x171x45 Pcx
Pz = Agpy = 2030 Pcy
pyZx = 244 Mb
pyZy = 33.7 Mbs
Mb
Mbs
* 356x127x39 Pcx
Pz = Agpy = 1770 Pcy
pyZx = 204 Mb
pyZy = 20.2 Mbs
Mb
Mbs
* 356x127x33 Pcx
Pz = Agpy = 1490 Pcy
pyZx = 168 Mb
pyZy = 15.9 Mbs
Mb
Mbs
305x165x54 Pcx
Pz = Agpy = 2440 Pcy
pyZx = 268 Mb
pyZy = 45.1 Mbs
* 305x165x46 Pcx
Pz = Agpy = 2080 Pcy
pyZx = 229 Mb
pyZy = 38.3 Mbs
Mb
Mbs
* 305x165x40 Pcx
Pz = Agpy = 1820 Pcy
pyZx = 199 Mb
pyZy = 32.9 Mbs
Mb
Mbs
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
1 2170 2170 2170 2150 2130 2110 2090 2040 1970 1880 1760 1610
1980 1750 1430 1090 824 635 501 332 236 176 136 108
1 251 220 188 160 136 118 103 82.5 68.8 59.1 51.9 46.3
252 252 239 218 196 173 151 113 85.7 66.6 53 43
1 1900 1900 1890 1880 1860 1840 1820 1770 1710 1630 1530 1390
1730 1520 1230 931 702 540 426 282 200 149 115 91.7
1 215 187 159 133 112 95.1 82.6 65.1 53.8 45.9 40.1 35.6
218 218 205 187 167 147 128 95.5 72.3 56.1 44.6 36.2
0.914 1680 1680 1670 1660 1640 1630 1610 1570 1510 1440 1340 1220
1520 1330 1070 809 609 468 369 244 173 129 99.7 79.3
0.914 167 147 126 106 89.3 76.1 65.9 51.7 42.5 36.1 31.4 27.9
167 167 157 143 127 112 96.8 72.1 54.5 42.2 33.5 27.2
0.361 188 163 136 113 93.6 79 68 52.9 43.3 36.7 31.9 28.3
191 191 179 163 146 128 111 82.5 62.4 48.3 38.4 31.2
0.763 1480 1480 1480 1470 1460 1440 1430 1390 1340 1280 1200 1100
1280 1020 724 510 371 281 219 144 101 75.2 58 46.1
0.763 140 117 94.4 76.1 62.5 52.7 45.4 35.5 29.2 24.9 21.7 19.3
148 142 126 109 92.5 77.2 64.3 45.5 33.5 25.6 20.1 16.2
0.321 157 128 101 79.8 64.9 54.3 46.5 36.2 29.7 25.2 22 19.5
171 164 146 127 107 89.2 74.3 52.6 38.8 29.6 23.3 18.8
0.648 1270 1270 1270 1260 1250 1240 1220 1190 1150 1090 1020 923
1080 846 592 414 300 227 177 116 81.6 60.5 46.7 37.1
0.648 116 95.2 75.4 59.6 48.2 40 34.1 26.2 21.3 18 15.6 13.8
124 117 104 89.2 74.7 61.8 51.2 36.1 26.5 20.2 15.9 12.8
0.281 130 104 80.3 62.3 49.8 41.1 34.9 26.7 21.7 18.3 15.8 14
143 136 120 103 86.5 71.6 59.3 41.8 30.7 23.4 18.4 14.8
0.61 1120 1120 1120 1110 1100 1090 1070 1040 1000 951 879 792
935 705 480 332 240 180 140 91.9 64.7 47.9 37 29.4
0.61 95.8 77.6 60.2 46.7 37.3 30.7 25.9 19.7 15.9 13.3 11.5 10.1
104 96.7 84.4 71.3 58.9 48.2 39.6 27.7 20.2 15.4 12 9.7
0.287 109 85.1 64 48.8 38.5 31.5 26.5 20 16.1 13.5 11.6 10.2
121 113 98.9 83.6 68.9 56.4 46.4 32.4 23.7 18 14.1 11.4
1 1950 1950 1930 1910 1890 1870 1840 1780 1690 1570 1420 1240
1850 1720 1540 1310 1070 859 694 471 338 253 197 157
1 201 191 171 152 134 119 106 85.8 72 62 54.5 48.7
201 201 201 192 179 166 152 124 98.8 79.3 64.3 52.9
1 1680 1680 1660 1650 1630 1610 1590 1530 1450 1350 1210 1060
1590 1470 1320 1120 907 727 587 398 285 214 166 132
1 171 162 144 127 111 96.5 84.9 67.8 56.1 47.9 41.8 37.2
171 171 171 163 152 140 128 104 83.1 66.5 53.9 44.3
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
305x127x48 Pcx
Pz = Agpy = 2170 Pcy
pyZx = 219 Mb
pyZy = 26.1 Mbs
305x127x42 Pcx
Pz = Agpy = 1900 Pcy
pyZx = 190 Mb
pyZy = 22.2 Mbs
* 305x127x37 Pcx
Pz = Agpy = 1680 Pcy
pyZx = 167 Mb
pyZy = 19.3 Mbs
Mb
Mbs
* 305x102x33 Pcx
Pz = Agpy = 1480 Pcy
pyZx = 148 Mb
pyZy = 13.5 Mbs
Mb
Mbs
* 305x102x28 Pcx
Pz = Agpy = 1270 Pcy
pyZx = 124 Mb
pyZy = 10.8 Mbs
Mb
Mbs
* 305x102x25 Pcx
Pz = Agpy = 1120 Pcy
pyZx = 104 Mb
pyZy = 8.59 Mbs
Mb
Mbs
254x146x43 Pcx
Pz = Agpy = 1950 Pcy
pyZx = 179 Mb
pyZy = 32.7 Mbs
254x146x37 Pcx
Pz = Agpy = 1680 Pcy
pyZx = 154 Mb
pyZy = 27.7 Mbs
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
0.947 1410 1410 1400 1380 1370 1350 1330 1280 1210 1110 988 855
1330 1230 1090 907 728 579 465 314 225 168 130 104
0.947 125 118 106 92.8 80.7 70 61.2 48.1 39.3 33.2 28.8 25.4
125 125 125 117 109 99.9 90.6 72.7 57.5 45.8 37 30.3
0.311 140 130 115 99.2 85.1 73.1 63.3 49.3 40.1 33.8 29.3 25.8
140 140 140 131 122 112 101 81.4 64.4 51.2 41.4 34
0.977 1280 1280 1270 1260 1240 1230 1210 1160 1100 1010 898 778
1110 902 654 464 339 257 201 132 93 69.1 53.3 42.4
0.977 104 88.1 72.4 59.4 49.5 42.2 36.6 29 24.1 20.6 18.1 16.1
109 106 95 83.1 70.8 59.5 49.8 35.5 26.2 20 15.8 12.7
0.383 117 96.5 77.4 62.3 51.4 43.5 37.6 29.6 24.5 20.9 18.3 16.3
125 122 109 95.2 81.2 68.2 57.1 40.7 30 23 18.1 14.6
0.907 1140 1140 1130 1110 1100 1090 1070 1030 967 883 780 671
977 778 554 390 284 215 168 110 77.5 57.5 44.4 35.3
0.907 89.3 74.5 60.2 48.5 39.9 33.6 28.9 22.6 18.6 15.9 13.8 12.3
94.4 90.7 80.8 70 59.2 49.4 41.1 29.1 21.4 16.4 12.9 10.4
0.379 100 81.6 64.2 50.8 41.3 34.6 29.6 23.1 18.9 16.1 14 12.4
109 104 92.9 80.5 68.1 56.8 47.3 33.5 24.7 18.8 14.8 11.9
0.837 994 994 984 973 961 948 932 894 838 761 667 571
842 654 455 318 230 174 135 88.7 62.5 46.3 35.7 28.4
0.837 74.3 61.1 48.4 38.3 31.1 25.9 22.1 17 13.9 11.8 10.2 9.04
79.5 75.3 66.5 56.9 47.6 39.3 32.5 22.9 16.8 12.8 10 8.08
0.375 83.6 66.9 51.5 40 32.1 26.6 22.6 17.4 14.1 11.9 10.3 9.15
91.9 87.1 76.9 65.8 55 45.4 37.6 26.4 19.4 14.8 11.6 9.34
1 1360 1350 1330 1310 1290 1270 1240 1160 1040 894 745 617
1270 1160 1010 819 645 508 405 272 194 145 112 89.5
1 111 103 90.7 79.3 69.2 60.7 53.7 43.4 36.4 31.4 27.6 24.6
111 111 110 103 94.5 85.9 77.1 60.6 47.3 37.4 30 24.6
1 1140 1130 1120 1100 1080 1060 1040 966 862 733 608 502
1060 964 829 669 523 410 326 219 156 116 90.1 71.8
1 91.6 83.2 72.8 62.6 53.6 46.3 40.4 32 26.4 22.5 19.7 17.5
91.6 91.6 90 83.6 76.7 69.4 62.1 48.4 37.6 29.6 23.8 19.4
1 1040 1040 1020 1010 993 973 949 882 784 664 548 452
922 770 578 418 308 234 183 121 85.2 63.3 48.9 38.9
1 78.9 66.7 55.2 45.8 38.6 33.1 29 23.3 19.5 16.8 14.7 13.2
83.1 82 74.3 65.9 57.1 48.7 41.2 29.7 22.1 17 13.4 10.8
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UB SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
* 254x146x31 Pcx
Pz = Agpy = 1410 Pcy
pyZx = 125 Mb
pyZy = 21.8 Mbs
Mb
Mbs
* 254x102x28 Pcx
Pz = Agpy = 1280 Pcy
pyZx = 109 Mb
pyZy = 12.4 Mbs
Mb
Mbs
* 254x102x25 Pcx
Pz = Agpy = 1140 Pcy
pyZx = 94.4 Mb
pyZy = 10.4 Mbs
Mb
Mbs
* 254x102x22 Pcx
Pz = Agpy = 994 Pcy
pyZx = 79.5 Mb
pyZy = 8.34 Mbs
Mb
Mbs
203x133x30 Pcx
Pz = Agpy = 1360 Pcy
pyZx = 99.4 Mb
pyZy = 20.4 Mbs
203x133x25 Pcx
Pz = Agpy = 1140 Pcy
pyZx = 81.7 Mb
pyZy = 16.4 Mbs
203x102x23 Pcx
Pz = Agpy = 1040 Pcy
pyZx = 73.5 Mb
pyZy = 11.4 Mbs
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8 9
1 863 854 840 825 808 786 758 679 570 460 370 301
763 638 480 348 256 195 153 100 71 52.8 40.7 32.4
1 57.7 48.9 40.5 33.5 28.2 24.3 21.3 17 14.2 12.3 10.8 9.63
60.7 60 54.4 48.3 41.9 35.7 30.3 21.9 16.3 12.5 9.86 7.97
1 720 708 694 677 657 629 593 492 385 299 236 190
615 483 340 238 173 131 102 66.7 47 34.9 26.9 21.4
1 40.1 33.3 27.4 22.8 19.3 16.8 14.8 12 10.1 8.78 7.75 6.95
43.7 41.6 36.9 31.8 26.7 22.1 18.4 13 9.51 7.25 5.7 4.6
1 581 569 554 534 506 468 419 313 232 176 137 110
474 340 225 154 110 82.9 64.5 42.1 29.6 21.9 16.9 13.4
1 26.4 21.7 17.9 15.1 13 11.4 10.1 8.31 7.06 6.15 5.45 4.89
29.9 27.2 23.3 19.3 15.6 12.6 10.3 7.1 5.16 3.91 3.07 2.46
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
178x102x19 Pcx
Pz = Agpy = 863 Pcy
pyZx = 54.3 Mb
pyZy = 9.59 Mbs
152x89x16 Pcx
Pz = Agpy = 721 Pcy
pyZx = 38.7 Mb
pyZy = 7.17 Mbs
127x76x13 Pcx
Pz = Agpy = 586 Pcy
pyZx = 26.5 Mb
pyZy = 5.22 Mbs
for
14
19200
2380
2450
2860
17500
2140
2040
2510
15700
1870
1680
2200
14600
1730
1390
1730
1430
2000
13200
1530
1160
1530
1190
1760
11400
1320
926
1320
944
1520
10400
1110
743
1090
757
1250
, Mbs (kNm)
for
14
9250
906
576
861
587
1000
16200
4030
2260
3260
2330
3680
14300
3480
1860
2820
1910
3170
12000
1460
995
1340
1020
1540
10500
1250
795
1140
811
1320
9300
1060
635
958
647
1100
, Mbs (kNm)
for
14
8310
891
509
792
518
918
9320
1070
655
925
668
1060
7940
857
485
728
494
838
7190
739
400
619
407
715
7960
778
478
620
487
713
, Mbs (kNm)
for
14
6960
652
374
516
380
594
5890
521
274
405
279
467
5520
460
232
356
236
411
6730
632
371
464
378
531
6010
552
303
404
308
462
5500
494
260
360
264
412
, Mbs (kNm)
for
14
4890
418
207
300
210
344
9230
1470
839
1080
6910
1060
505
688
515
773
5750
866
377
565
383
631
5330
432
252
291
256
333
4760
377
206
254
209
289
, Mbs (kNm)
, Mbs (kNm)
for
14
4290
330
168
219
171
250
3910
281
134
184
136
211
4390
326
193
197
197
226
3910
284
156
171
158
195
3630
260
136
156
138
178
3350
231
114
139
116
158
for
, Mbs (kNm)
14
2970
196
89.6
114
90.7
131
3180
227
131
121
133
138
2880
204
109
108
111
123
2650
181
92.7
96.2
93.9
109
2410
163
77.5
86
78.4
97.5
2140
141
62.9
73.9
63.6
83.8
for
, Mbs (kNm)
10
3190
225
112
113
114
130
2870
198
92.9
99.6
94.4
115
2660
174
76.2
86.8
77.3
99.8
2360
151
61.8
75.4
62.6
86.5
2050
123
46.2
59.7
46.8
68.9
2840
288
110
131
112
148
for
10
, Mbs (kNm)
2570
255
91.5
115
92.9
130
2290
226
75.8
102
76.9
115
2050
192
60.6
84.7
61.4
96.1
1730
103
38.5
46.7
39
53.3
1440
78.3
26.4
34.3
26.7
39.4
2410
255
96.7
117
2020
208
69.6
83.8
70.7
94.4
, Mbs (kNm)
for
10
1800
181
56.7
72.8
57.5
82
1560
152
44.2
60.1
44.8
67.8
1340
68.7
27
27.7
27.3
31.7
1120
53.9
18.9
21.3
19.1
24.4
1690
199
67.8
79.8
1450
167
50.8
60.1
51.6
67
1250
143
39.8
51.2
40.3
57
for
10
1440
88.1
41.8
35.6
1240
74.7
32.1
30
1090
64.6
25.1
22.5
25.4
25.8
984
37.5
17.3
13.4
17.5
15.5
820
30.2
12.4
10.5
12.5
12.2
699
23.9
9.05
7.97
9.15
9.34
1070
128
44
44.2
909
108
33.5
37
, Mbs (kNm)
for
10
732
84.9
22.8
25.3
23.1
28.3
666
34.5
14.5
10.5
14.7
12
572
28.7
11.1
8.55
11.2
9.83
485
23.1
8.12
6.65
8.21
7.69
515
73
22.3
20.4
418
58.6
15.7
16.1
376
31.6
11.9
8.93
, Mbs (kNm)
for
10
249
26.4
8.71
6.58
156
17.4
6.3
3.78
89.6
10.9
4.44
2.02
, Mbs (kNm)
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
3400 3400 3400 3400 3400 3400 3400 3400 3400 3400 3400
n/a 1360 1360 1360 1360 1360 1360 1360 1360 1360 1360 1360
1 3400 3400 3150 2830 2480 2110 1730 1320 902 460 0
1360 1360 1360 1360 1360 1360 1260 1030 735 394 0
2930 2930 2930 2930 2930 2930 2930 2930 2930 2930 2930
n/a 1160 1160 1160 1160 1160 1160 1160 1160 1160 1160 1160
1 2930 2890 2670 2390 2090 1780 1450 1110 755 385 0
1160 1160 1160 1160 1160 1160 1080 878 630 338 0
2550 2550 2550 2550 2550 2550 2550 2550 2550 2550 2550
n/a 1010 1010 1010 1010 1010 1010 1010 1010 1010 1010 1010
1 2550 2490 2300 2050 1790 1520 1240 944 641 326 0
1010 1010 1010 1010 1010 1010 940 763 548 293 0
2100 2100 2100 2100 2100 2100 2100 2100 2100 2100 2100
n/a 833 833 833 833 833 833 833 833 833 833 833
1 2100 2040 1890 1680 1460 1240 1010 768 520 264 0
833 833 833 833 833 833 780 634 455 244 0
1780 1780 1780 1780 1780 1780 1780 1780 1780 1780 1780
n/a 711 711 711 711 711 711 711 711 711 711 711
1 1780 1740 1610 1430 1240 1050 850 646 437 221 0
711 711 711 711 711 711 667 542 389 209 0
1540 1540 1540 1540 1540 1540 1540 1540 1540 1540 1540
n/a 617 617 617 617 617 617 617 617 617 617 617
1 1540 1500 1380 1230 1070 899 728 553 373 189 0
617 617 617 617 617 617 579 471 338 181 0
1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240
n/a 499 499 499 499 499 499 499 499 499 499 499
1 1240 1210 1110 983 852 717 580 439 296 149 0
499 499 499 499 499 499 469 381 274 147 0
1050 1050 1050 1050 1050 1050 1050 1050 1050 1050 1050
n/a 402 402 402 402 402 402 402 402 402 402 402
1 1050 1030 947 836 723 609 492 372 250 126 0
402 402 402 402 402 402 381 310 223 119 0
916 916 916 916 916 916 916 916 916 916 916
n/a 350 350 350 350 350 350 350 350 350 350 350
1 916 892 822 727 629 529 426 323 217 109 0
350 350 350 350 350 350 333 271 195 104 0
BS 5950-1: 2000 AXIAL LOAD & BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x406x634 # Mcx
Pz = Agpy = 19800 Mcy
Mrx
Mry
356x406x551 # Mcx
Pz = Agpy = 17200 Mcy
Mrx
Mry
356x406x467 # Mcx
Pz = Agpy = 15200 Mcy
Mrx
Mry
356x406x393 # Mcx
Pz = Agpy = 12800 Mcy
Mrx
Mry
356x406x340 # Mcx
Pz = Agpy = 11000 Mcy
Mrx
Mry
356x406x287 # Mcx
Pz = Agpy = 9700 Mcy
Mrx
Mry
356x406x235 # Mcx
Pz = Agpy = 7920 Mcy
Mrx
Mry
356x368x202 # Mcx
Pz = Agpy = 6810 Mcy
Mrx
Mry
356x368x177 # Mcx
Pz = Agpy = 5990 Mcy
Mrx
Mry
BS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
786 786 786 786 786 786 786 786 786 786 786
n/a 301 301 301 301 301 301 301 301 301 301 301
1 786 765 704 621 537 451 363 274 184 92.9 0
301 301 301 301 301 301 286 232 167 89.6 0
651 651 651 651 651 651 651 651 651 651 651
1 252 252 252 252 252 252 252 252 252 252 252
0 - - - - - - - - - - -
- - - - - - - - - - -
1300 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300
n/a 468 468 468 468 468 468 468 468 468 468 468
1 1300 1270 1180 1050 914 774 630 480 325 165 0
468 468 468 468 468 468 442 359 258 139 0
1130 1130 1130 1130 1130 1130 1130 1130 1130 1130 1130
n/a 406 406 406 406 406 406 406 406 406 406 406
1 1130 1100 1020 905 787 666 541 411 278 141 0
406 406 406 406 406 406 385 313 225 121 0
912 912 912 912 912 912 912 912 912 912 912
n/a 330 330 330 330 330 330 330 330 330 330 330
1 912 890 823 729 633 534 433 328 222 112 0
330 330 330 330 330 330 313 255 183 98.3 0
710 710 710 710 710 710 710 710 710 710 710
n/a 257 257 257 257 257 257 257 257 257 257 257
1 710 693 642 568 492 414 335 254 171 86.3 0
257 257 257 257 257 257 246 200 144 77.5 0
609 609 609 609 609 609 609 609 609 609 609
n/a 220 220 220 220 220 220 220 220 220 220 220
1 609 594 551 485 420 353 285 216 145 73.2 0
220 220 220 220 220 220 211 172 124 66.7 0
519 519 519 519 519 519 519 519 519 519 519
n/a 187 187 187 187 187 187 187 187 187 187 187
1 519 506 469 414 358 300 242 183 123 62 0
187 187 187 187 187 187 181 147 106 57.1 0
438 438 438 438 438 438 438 438 438 438 438
n/a 158 158 158 158 158 158 158 158 158 158 158
1 438 427 396 348 300 252 203 153 103 51.7 0
158 158 158 158 158 158 153 125 89.8 48.3 0
BS 5950-1: 2000 AXIAL LOAD & BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x368x153 # Mcx
Pz = Agpy = 5170 Mcy
Mrx
Mry
356x368x129 # Mcx
Pz = Agpy = 4350 Mcy
Mrx
Mry
305x305x283 Mcx
Pz = Agpy = 9180 Mcy
Mrx
Mry
305x305x240 Mcx
Pz = Agpy = 8110 Mcy
Mrx
Mry
305x305x198 Mcx
Pz = Agpy = 6680 Mcy
Mrx
Mry
305x305x158 Mcx
Pz = Agpy = 5330 Mcy
Mrx
Mry
305x305x137 Mcx
Pz = Agpy = 4610 Mcy
Mrx
Mry
305x305x118 Mcx
Pz = Agpy = 3980 Mcy
Mrx
Mry
305x305x97 Mcx
Pz = Agpy = 3380 Mcy
Mrx
Mry
BS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
642 642 642 642 642 642 642 642 642 642 642
n/a 237 237 237 237 237 237 237 237 237 237 237
1 642 627 580 516 449 380 308 235 159 80.5 0
237 237 237 237 237 237 224 182 131 70.1 0
495 495 495 495 495 495 495 495 495 495 495
n/a 183 183 183 183 183 183 183 183 183 183 183
1 495 483 446 395 343 290 235 178 120 60.8 0
183 183 183 183 183 183 174 141 102 54.5 0
393 393 393 393 393 393 393 393 393 393 393
n/a 146 146 146 146 146 146 146 146 146 146 146
1 393 384 355 313 271 228 185 140 94.2 47.6 0
146 146 146 146 146 146 139 113 81.3 43.6 0
324 324 324 324 324 324 324 324 324 324 324
n/a 121 121 121 121 121 121 121 121 121 121 121
1 324 316 292 257 222 187 151 114 76.6 38.6 0
121 121 121 121 121 121 114 93.1 67 35.9 0
273 273 273 273 273 273 273 273 273 273 273
n/a 101 101 101 101 101 101 101 101 101 101 101
1 273 266 245 216 187 157 126 95.5 64.1 32.3 0
101 101 101 101 101 101 96.8 78.9 56.8 30.5 0
259 259 259 259 259 259 259 259 259 259 259
n/a 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1 95.1
1 259 253 234 208 181 152 123 93.7 63.2 32 0
95.1 95.1 95.1 95.1 95.1 95.1 90.6 73.8 53.1 28.5 0
212 212 212 212 212 212 212 212 212 212 212
n/a 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2 78.2
1 212 206 190 168 146 123 99.2 75.2 50.6 25.6 0
78.2 78.2 78.2 78.2 78.2 78.2 73.9 60.1 43.2 23.2 0
180 180 180 180 180 180 180 180 180 180 180
n/a 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3
1 180 176 163 145 125 105 85 64.3 43.3 21.8 0
66.3 66.3 66.3 66.3 66.3 66.3 63.9 52.1 37.6 20.2 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
254x254x167 Mcx
Pz = Agpy = 5640 Mcy
Mrx
Mry
254x254x132 Mcx
Pz = Agpy = 4450 Mcy
Mrx
Mry
254x254x107 Mcx
Pz = Agpy = 3600 Mcy
Mrx
Mry
254x254x89 Mcx
Pz = Agpy = 2990 Mcy
Mrx
Mry
254x254x73 Mcx
Pz = Agpy = 2560 Mcy
Mrx
Mry
203x203x86 Mcx
Pz = Agpy = 2920 Mcy
Mrx
Mry
203x203x71 Mcx
Pz = Agpy = 2400 Mcy
Mrx
Mry
203x203x60 Mcx
Pz = Agpy = 2100 Mcy
Mrx
Mry
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
156 156 156 156 156 156 156 156 156 156 156
n/a 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4 57.4
1 156 152 141 124 107 90.3 72.8 55.1 37 18.6 0
57.4 57.4 57.4 57.4 57.4 57.4 55.2 45 32.4 17.4 0
137 137 137 137 137 137 137 137 137 137 137
n/a 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2
1 137 133 124 109 94.2 79.1 63.7 48.2 32.3 16.3 0
50.2 50.2 50.2 50.2 50.2 50.2 48.5 39.6 28.6 15.4 0
85 85 85 85 85 85 85 85 85 85 85
n/a 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2
1 85 83.1 77.3 68.5 59.3 49.9 40.3 30.5 20.6 10.4 0
30.2 30.2 30.2 30.2 30.2 30.2 29.4 24 17.3 9.34 0
68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2
n/a 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2
1 68.2 66.6 62 54.9 47.4 39.8 32.1 24.3 16.3 8.23 0
24.2 24.2 24.2 24.2 24.2 24.2 23.6 19.3 14 7.52 0
48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5 48.5
1 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4
0 - - - - - - - - - - -
- - - - - - - - - - -
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
203x203x52 Mcx
Pz = Agpy = 1820 Mcy
Mrx
Mry
203x203x46 Mcx
Pz = Agpy = 1610 Mcy
Mrx
Mry
152x152x37 Mcx
Pz = Agpy = 1300 Mcy
Mrx
Mry
152x152x30 Mcx
Pz = Agpy = 1050 Mcy
Mrx
Mry
152x152x23 Mcx
Pz = Agpy = 803 Mcy
Mrx
Mry
AXIAL LOAD & BENDING
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Limit for
2 3 4 5 6 7 8 9 10 11 12 13 14
1 19800 19800 19400 18800 18200 17500 16900 16200 15500 14800 14100 13300 12600
19800 18300 16900 15600 14200 12900 11600 10500 9390 8420 7560 6800 6140
1 3400 3400 3400 3400 3400 3400 3400 3400 3400 3350 3290 3240 3190
3400 3400 3400 3400 3400 3400 3400 3360 3220 3090 2950 2810 2670
1 17200 17200 16800 16300 15700 15100 14600 14000 13300 12700 12000 11400 10700
17200 15900 14700 13500 12300 11100 10000 9010 8080 7240 6490 5840 5260
1 2930 2930 2930 2930 2930 2930 2930 2900 2840 2790 2740 2690 2640
2930 2930 2930 2930 2930 2930 2930 2840 2720 2610 2490 2370 2250
1 15200 15200 14700 14200 13700 13200 12700 12100 11500 10900 10300 9720 9120
15100 13900 12800 11700 10700 9610 8620 7700 6870 6130 5480 4910 4420
1 2550 2550 2550 2550 2550 2550 2490 2430 2370 2320 2280 2230 2180
2550 2550 2550 2550 2550 2550 2510 2410 2310 2210 2100 2000 1890
1 12800 12800 12400 12100 11700 11300 10900 10500 10000 9550 9040 8520 7990
12700 11800 11000 10200 9290 8430 7580 6770 6030 5370 4780 4270 3830
1 2100 2100 2100 2100 2100 2050 2000 1950 1900 1850 1810 1760 1720
2100 2100 2100 2100 2100 2100 2050 1970 1880 1800 1710 1620 1530
1 11000 11000 10700 10400 10100 9750 9390 9010 8600 8170 7720 7260 6790
10900 10200 9480 8740 7990 7230 6490 5800 5150 4580 4080 3640 3260
1 1780 1780 1780 1780 1780 1720 1670 1620 1570 1530 1490 1450 1410
1780 1780 1780 1780 1780 1780 1740 1670 1600 1520 1450 1370 1290
1 9700 9670 9460 9230 8990 8730 8450 8130 7780 7400 7000 6570 6130
9590 9050 8490 7900 7260 6590 5920 5270 4670 4130 3660 3250 2900
1 1540 1540 1540 1540 1500 1440 1390 1350 1300 1260 1220 1190 1150
1540 1540 1540 1540 1540 1540 1490 1430 1360 1300 1230 1160 1100
1 7920 7900 7720 7530 7330 7110 6880 6610 6320 6010 5660 5310 4940
7830 7380 6920 6430 5900 5350 4790 4260 3770 3330 2950 2610 2330
1 1240 1240 1240 1240 1190 1140 1090 1050 1010 969 934 900 869
1240 1240 1240 1240 1240 1240 1200 1150 1090 1040 985 930 876
1 6810 6780 6630 6460 6290 6100 5890 5660 5400 5120 4820 4510 4190
6680 6270 5840 5390 4890 4390 3890 3420 3000 2630 2310 2050 1820
1 1050 1050 1050 1020 973 926 883 842 804 769 736 705 676
1050 1050 1050 1050 1050 1040 993 946 898 849 800 751 703
1 5990 5960 5820 5670 5520 5350 5160 4950 4720 4470 4200 3920 3640
5870 5510 5130 4720 4290 3840 3400 2980 2610 2290 2020 1780 1580
1 916 916 916 882 835 791 750 711 676 643 612 584 558
916 916 916 916 916 902 862 821 778 736 693 650 608
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
AXIAL LOAD & BENDING
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Limit for
2 3 4 5 6 7 8 9 10 11 12 13 14
1 5170 5140 5020 4890 4750 4610 4440 4260 4060 3840 3610 3360 3120
5060 4750 4420 4060 3690 3300 2910 2560 2240 1960 1730 1520 1350
1 786 786 786 750 707 666 627 592 559 528 500 475 451
786 786 786 786 786 773 738 703 666 629 592 555 519
1 4350 4320 4210 4110 3990 3860 3720 3560 3390 3200 3000 2790 2590
4250 3990 3710 3410 3090 2760 2430 2130 1870 1640 1440 1270 1130
1 600 600 600 576 542 510 479 450 424 399 376 356 337
600 600 600 600 600 589 562 535 507 479 450 422 394
1 9180 9070 8780 8480 8160 7830 7460 7070 6660 6230 5790 5360 4940
8770 8020 7250 6460 5680 4930 4260 3670 3170 2760 2410 2120 1880
1 1300 1300 1300 1290 1250 1210 1170 1130 1100 1070 1030 1010 977
1300 1300 1300 1300 1290 1230 1160 1090 1020 953 885 819 756
1 8110 8010 7800 7580 7340 7070 6770 6430 6060 5660 5250 4830 4430
7780 7200 6570 5890 5180 4480 3850 3300 2830 2450 2130 1870 1640
1 1130 1130 1130 1090 1050 1010 971 936 904 873 843 816 789
1130 1130 1130 1130 1110 1050 990 929 867 805 745 687 632
1 6680 6590 6410 6220 6020 5790 5530 5240 4930 4590 4240 3890 3550
6400 5910 5380 4810 4220 3640 3120 2670 2290 1970 1720 1500 1320
1 912 912 912 866 826 789 755 724 694 667 641 617 594
912 912 912 912 894 846 796 746 695 645 596 548 504
1 5330 5250 5100 4950 4780 4590 4370 4130 3870 3590 3310 3020 2760
5090 4690 4260 3800 3310 2850 2430 2070 1780 1530 1330 1160 1020
1 710 710 697 657 620 587 556 528 502 478 456 435 417
710 710 710 710 692 654 615 575 535 495 456 419 384
1 4610 4540 4410 4270 4120 3950 3760 3550 3320 3070 2820 2570 2340
4400 4050 3680 3270 2850 2440 2080 1770 1520 1310 1130 991 873
1 609 609 591 554 519 488 459 433 409 387 367 349 332
609 609 609 609 592 559 525 490 455 421 387 356 326
1 3980 3910 3800 3680 3550 3400 3230 3050 2840 2630 2410 2200 2000
3790 3490 3160 2800 2440 2090 1780 1510 1290 1110 965 844 743
1 519 519 499 464 433 403 376 352 330 311 293 277 263
519 519 519 519 503 475 445 416 386 356 328 301 275
1 3380 3320 3220 3120 3000 2870 2720 2550 2370 2180 1990 1800 1630
3210 2950 2660 2350 2030 1730 1460 1240 1060 907 786 686 603
1 438 438 413 381 351 323 297 275 255 237 221 208 195
438 438 438 438 421 396 371 345 320 294 270 247 225
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
AXIAL LOAD & BENDING
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Limit for
1 1.5 2 2.5 3 3.5 4 5 6 7 8 9 10
1 5640 5640 5640 5570 5480 5390 5300 5090 4860 4590 4290 3950 3600
5640 5500 5260 5020 4760 4490 4210 3610 3040 2530 2100 1760 1490
1 642 642 642 642 642 642 632 602 576 551 529 508 488
642 642 642 642 642 642 642 633 593 552 510 468 426
1 4450 4450 4450 4390 4310 4240 4160 3990 3800 3580 3330 3050 2770
4450 4330 4140 3940 3730 3510 3280 2810 2350 1950 1620 1350 1140
1 495 495 495 495 495 490 476 449 425 403 383 365 348
495 495 495 495 495 495 495 485 454 422 389 355 323
1 3600 3600 3600 3540 3480 3420 3360 3210 3050 2860 2650 2420 2180
3600 3500 3340 3180 3000 2820 2640 2240 1870 1550 1280 1070 901
1 393 393 393 393 393 382 369 345 323 303 285 269 254
393 393 393 393 393 393 393 383 358 332 305 279 253
1 2990 2990 2990 2940 2890 2840 2780 2660 2530 2370 2190 1990 1790
2990 2900 2770 2630 2490 2340 2180 1860 1540 1270 1050 879 741
1 324 324 324 324 324 311 299 276 256 238 222 207 194
324 324 324 324 324 324 324 316 295 273 251 229 207
1 2560 2560 2550 2510 2470 2420 2370 2270 2150 2000 1840 1670 1490
2560 2470 2360 2240 2110 1980 1840 1550 1280 1050 866 720 606
1 273 273 273 273 268 256 245 224 204 187 172 159 147
273 273 273 273 273 273 273 263 245 226 207 188 170
1 2920 2920 2870 2810 2750 2690 2610 2450 2260 2050 1810 1580 1380
2890 2740 2580 2410 2220 2030 1840 1460 1160 921 744 611 509
1 259 259 259 259 252 243 235 220 206 194 182 172 163
259 259 259 259 259 259 253 233 211 190 169 149 131
1 2400 2400 2360 2310 2260 2200 2140 2010 1850 1670 1470 1280 1110
2380 2250 2110 1970 1820 1660 1500 1190 941 748 604 496 413
1 212 212 212 212 203 194 187 173 160 149 139 130 122
212 212 212 212 212 212 207 190 172 154 137 121 106
1 2100 2100 2060 2020 1970 1920 1860 1740 1590 1420 1240 1070 921
2080 1960 1840 1710 1570 1430 1280 1010 786 622 500 409 340
1 180 180 180 177 169 161 153 139 127 117 108 100 93.1
180 180 180 180 180 180 174 159 144 128 113 98.8 86.4
AXIAL LOAD & BENDING
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Limit for
1 1.5 2 2.5 3 3.5 4 5 6 7 8 9 10
1 1820 1820 1790 1750 1710 1660 1620 1510 1370 1220 1070 921 792
1800 1700 1590 1480 1360 1230 1110 868 678 536 431 353 293
1 156 156 156 152 144 137 130 117 106 96 87.9 80.9 74.9
156 156 156 156 156 156 150 137 124 110 97.1 85 74.3
1 1610 1610 1580 1550 1510 1470 1430 1330 1210 1070 934 804 691
1590 1500 1410 1310 1200 1080 970 760 592 467 375 307 255
1 137 137 137 132 125 118 111 99.1 88.7 79.8 72.5 66.3 61
137 137 137 137 137 137 131 120 108 95.8 84.2 73.6 64.3
1 1300 1270 1240 1200 1150 1110 1050 923 779 644 530 439 367
1230 1130 1020 904 782 667 565 409 304 234 184 149 123
1 85 85 82.3 77.2 72.6 68.3 64.4 57.6 51.9 47.1 43 39.6 36.6
85 85 85 85 81.8 77.1 72.3 62.3 52.7 44.1 36.9 31 26.3
1 1050 1030 1000 972 936 896 850 743 625 514 422 349 292
999 918 828 730 630 536 453 327 243 187 147 119 98
1 68.2 68.2 65 60.4 56.2 52.3 48.8 42.7 37.8 33.8 30.6 27.9 25.6
68.2 68.2 68.2 68.2 65.4 61.6 57.7 49.6 41.8 34.9 29.1 24.5 20.8
1 803 786 762 737 708 675 638 551 458 374 306 252 210
758 693 621 543 465 392 330 236 175 134 105 85.1 70.1
1 45.1 45.1 42.9 39.7 36.6 33.7 31.1 26.7 23.2 20.5 18.3 16.6 15.1
45.1 45.1 45.1 45.1 42.7 40.1 37.4 31.9 26.6 22.1 18.3 15.4 13
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
Pcx
Pcy
Mb
Mbs
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
4520 4520 4520 4520 4520 4520 4520 4520 4520 4520 4520
n/a 1810 1810 1810 1810 1810 1810 1810 1810 1810 1810 1810
1 4520 4520 4180 3750 3290 2800 2290 1760 1200 611 0
1810 1810 1810 1810 1810 1810 1680 1360 976 522 0
3890 3890 3890 3890 3890 3890 3890 3890 3890 3890 3890
n/a 1540 1540 1540 1540 1540 1540 1540 1540 1540 1540 1540
1 3890 3830 3550 3170 2770 2360 1930 1470 1000 510 0
1540 1540 1540 1540 1540 1540 1440 1170 836 448 0
3350 3350 3350 3350 3350 3350 3350 3350 3350 3350 3350
n/a 1320 1320 1320 1320 1320 1320 1320 1320 1320 1320 1320
1 3350 3270 3020 2690 2350 2000 1630 1240 841 428 0
1320 1320 1320 1320 1320 1320 1230 1000 719 385 0
2750 2750 2750 2750 2750 2750 2750 2750 2750 2750 2750
n/a 1090 1090 1090 1090 1090 1090 1090 1090 1090 1090 1090
1 2750 2690 2480 2210 1920 1630 1320 1010 683 346 0
1090 1090 1090 1090 1090 1090 1020 832 598 320 0
2340 2340 2340 2340 2340 2340 2340 2340 2340 2340 2340
n/a 935 935 935 935 935 935 935 935 935 935 935
1 2340 2290 2110 1870 1630 1380 1120 849 574 291 0
935 935 935 935 935 935 876 712 511 274 0
2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010
n/a 803 803 803 803 803 803 803 803 803 803 803
1 2010 1950 1800 1600 1390 1170 948 719 485 246 0
803 803 803 803 803 803 754 613 441 236 0
1620 1620 1620 1620 1620 1620 1620 1620 1620 1620 1620
n/a 650 650 650 650 650 650 650 650 650 650 650
1 1620 1580 1450 1280 1110 934 755 572 385 195 0
650 650 650 650 650 650 610 496 356 191 0
1370 1370 1370 1370 1370 1370 1370 1370 1370 1370 1370
n/a 523 523 523 523 523 523 523 523 523 523 523
1 1370 1340 1230 1090 942 792 640 485 326 165 0
523 523 523 523 523 523 496 403 290 156 0
1190 1190 1190 1190 1190 1190 1190 1190 1190 1190 1190
n/a 456 456 456 456 456 456 456 456 456 456 456
1 1190 1160 1070 947 819 688 555 420 282 142 0
456 456 456 456 456 456 433 352 253 136 0
BS 5950-1: 2000 AXIAL LOAD & BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x406x634 # Mcx
Pz = Agpy = 26300 Mcy
Mrx
Mry
356x406x551 # Mcx
Pz = Agpy = 22800 Mcy
Mrx
Mry
356x406x467 # Mcx
Pz = Agpy = 19900 Mcy
Mrx
Mry
356x406x393 # Mcx
Pz = Agpy = 16800 Mcy
Mrx
Mry
356x406x340 # Mcx
Pz = Agpy = 14500 Mcy
Mrx
Mry
356x406x287 # Mcx
Pz = Agpy = 12600 Mcy
Mrx
Mry
356x406x235 # Mcx
Pz = Agpy = 10300 Mcy
Mrx
Mry
356x368x202 # Mcx
Pz = Agpy = 8870 Mcy
Mrx
Mry
356x368x177 # Mcx
Pz = Agpy = 7800 Mcy
Mrx
Mry
BS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020
1 392 392 392 392 392 392 392 392 392 392 392
0 - - - - - - - - - - -
- - - - - - - - - - -
821 821 821 821 821 821 821 821 821 821 821
1 328 328 328 328 328 328 328 328 328 328 328
0 - - - - - - - - - - -
- - - - - - - - - - -
1710 1710 1710 1710 1710 1710 1710 1710 1710 1710 1710
n/a 615 615 615 615 615 615 615 615 615 615 615
1 1710 1670 1550 1380 1200 1020 827 631 427 217 0
615 615 615 615 615 615 580 472 339 182 0
1470 1470 1470 1470 1470 1470 1470 1470 1470 1470 1470
n/a 528 528 528 528 528 528 528 528 528 528 528
1 1470 1430 1320 1180 1030 867 704 535 362 184 0
528 528 528 528 528 528 501 408 293 157 0
1190 1190 1190 1190 1190 1190 1190 1190 1190 1190 1190
n/a 429 429 429 429 429 429 429 429 429 429 429
1 1190 1160 1070 949 824 695 563 428 289 146 0
429 429 429 429 429 429 407 332 239 128 0
925 925 925 925 925 925 925 925 925 925 925
n/a 335 335 335 335 335 335 335 335 335 335 335
1 925 903 836 739 640 539 436 330 222 112 0
335 335 335 335 335 335 320 261 188 101 0
792 792 792 792 792 792 792 792 792 792 792
n/a 286 286 286 286 286 286 286 286 286 286 286
1 792 774 717 632 547 460 371 281 189 95.4 0
286 286 286 286 286 286 275 224 162 86.8 0
676 676 676 676 676 676 676 676 676 676 676
n/a 244 244 244 244 244 244 244 244 244 244 244
1 676 659 611 539 466 391 315 238 160 80.7 0
244 244 244 244 244 244 235 192 138 74.4 0
548 548 548 548 548 548 548 548 548 548 548
1 204 204 204 204 204 204 204 204 204 204 204
0 - - - - - - - - - - -
- - - - - - - - - - -
BS 5950-1: 2000 AXIAL LOAD & BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x368x153 # Mcx
Pz = Agpy = 6730 Mcy
Mrx
Mry
356x368x129 # Mcx
Pz = Agpy = 5660 Mcy
Mrx
Mry
305x305x283 Mcx
Pz = Agpy = 12100 Mcy
Mrx
Mry
305x305x240 Mcx
Pz = Agpy = 10600 Mcy
Mrx
Mry
305x305x198 Mcx
Pz = Agpy = 8690 Mcy
Mrx
Mry
305x305x158 Mcx
Pz = Agpy = 6930 Mcy
Mrx
Mry
305x305x137 Mcx
Pz = Agpy = 6000 Mcy
Mrx
Mry
305x305x118 Mcx
Pz = Agpy = 5180 Mcy
Mrx
Mry
305x305x97 Mcx
Pz = Agpy = 4370 Mcy
Mrx
Mry
BS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
836 836 836 836 836 836 836 836 836 836 836
n/a 308 308 308 308 308 308 308 308 308 308 308
1 836 816 755 671 584 494 401 305 207 105 0
308 308 308 308 308 308 291 237 170 91.3 0
645 645 645 645 645 645 645 645 645 645 645
n/a 238 238 238 238 238 238 238 238 238 238 238
1 645 629 581 515 447 377 305 232 156 79.1 0
238 238 238 238 238 238 226 184 132 70.9 0
512 512 512 512 512 512 512 512 512 512 512
n/a 190 190 190 190 190 190 190 190 190 190 190
1 512 500 462 408 353 297 240 182 123 62 0
190 190 190 190 190 190 181 147 106 56.8 0
422 422 422 422 422 422 422 422 422 422 422
n/a 157 157 157 157 157 157 157 157 157 157 157
1 422 412 380 334 289 243 196 148 99.8 50.3 0
157 157 157 157 157 157 149 121 87.2 46.8 0
350 350 350 350 350 350 350 350 350 350 350
1 131 131 131 131 131 131 131 131 131 131 131
0 - - - - - - - - - - -
- - - - - - - - - - -
337 337 337 337 337 337 337 337 337 337 337
n/a 124 124 124 124 124 124 124 124 124 124 124
1 337 329 304 271 235 198 161 122 82.3 41.7 0
124 124 124 124 124 124 118 96.1 69.2 37.1 0
276 276 276 276 276 276 276 276 276 276 276
n/a 102 102 102 102 102 102 102 102 102 102 102
1 276 269 247 219 190 160 129 97.9 65.9 33.3 0
102 102 102 102 102 102 96.1 78.2 56.2 30.1 0
233 233 233 233 233 233 233 233 233 233 233
n/a 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6
1 233 227 211 187 161 136 110 83 55.8 28.2 0
85.6 85.6 85.6 85.6 85.6 85.6 82.4 67.3 48.5 26.1 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
254x254x167 Mcx
Pz = Agpy = 7350 Mcy
Mrx
Mry
254x254x132 Mcx
Pz = Agpy = 5800 Mcy
Mrx
Mry
254x254x107 Mcx
Pz = Agpy = 4690 Mcy
Mrx
Mry
254x254x89 Mcx
Pz = Agpy = 3900 Mcy
Mrx
Mry
254x254x73 Mcx
Pz = Agpy = 3310 Mcy
Mrx
Mry
203x203x86 Mcx
Pz = Agpy = 3800 Mcy
Mrx
Mry
203x203x71 Mcx
Pz = Agpy = 3120 Mcy
Mrx
Mry
203x203x60 Mcx
Pz = Agpy = 2710 Mcy
Mrx
Mry
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
201 201 201 201 201 201 201 201 201 201 201
n/a 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1
1 201 196 182 161 139 117 94 71.1 47.8 24.1 0
74.1 74.1 74.1 74.1 74.1 74.1 71.2 58.1 41.8 22.5 0
174 174 174 174 174 174 174 174 174 174 174
1 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8 64.8
0 - - - - - - - - - - -
- - - - - - - - - - -
110 110 110 110 110 110 110 110 110 110 110
n/a 39 39 39 39 39 39 39 39 39 39 39
1 110 107 99.9 88.4 76.6 64.4 52.1 39.4 26.5 13.4 0
39 39 39 39 39 39 37.9 31 22.4 12.1 0
88 88 88 88 88 88 88 88 88 88 88
n/a 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2
1 88 86 80 70.8 61.2 51.4 41.5 31.4 21.1 10.6 0
31.2 31.2 31.2 31.2 31.2 31.2 30.5 25 18 9.7 0
60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5
1 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2 22.2
0 - - - - - - - - - - -
- - - - - - - - - - -
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
203x203x52 Mcx
Pz = Agpy = 2350 Mcy
Mrx
Mry
203x203x46 Mcx
Pz = Agpy = 2080 Mcy
Mrx
Mry
152x152x37 Mcx
Pz = Agpy = 1670 Mcy
Mrx
Mry
152x152x30 Mcx
Pz = Agpy = 1360 Mcy
Mrx
Mry
152x152x23 Mcx
Pz = Agpy = 1040 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11
1 26300 26200 25400 24500 23700 22800 21800 20800 19700 18600
25700 23800 21900 19900 18000 16100 14200 12600 11100 9800
1 4520 4520 4520 4520 4520 4520 4510 4420 4330 4250
4520 4520 4520 4520 4520 4520 4440 4260 4070 3870
1 22800 22700 22000 21200 20500 19700 18800 17900 16900 16000
22300 20600 18900 17200 15500 13800 12300 10800 9530 8410
1 3890 3890 3890 3890 3890 3860 3770 3690 3610 3530
3890 3890 3890 3890 3890 3890 3760 3600 3440 3270
1 19900 19700 19100 18400 17700 17000 16200 15400 14500 13600
19400 17900 16400 14900 13300 11800 10400 9130 8010 7040
1 3350 3350 3350 3350 3310 3220 3130 3060 2980 2910
3350 3350 3350 3350 3350 3300 3170 3030 2890 2740
1 16800 16600 16200 15700 15200 14600 14000 13300 12600 11800
16400 15300 14100 12900 11600 10300 9110 7970 6970 6100
1 2750 2750 2750 2750 2670 2590 2510 2440 2370 2310
2750 2750 2750 2750 2750 2700 2590 2470 2350 2230
1 14500 14300 13900 13500 13100 12600 12000 11400 10800 10100
14100 13200 12200 11100 9980 8870 7790 6810 5940 5200
1 2340 2340 2340 2330 2240 2160 2090 2020 1960 1900
2340 2340 2340 2340 2340 2290 2200 2100 1990 1890
1 12600 12500 12200 11900 11600 11200 10700 10200 9680 9060
12300 11600 10800 9960 9010 8000 7010 6100 5300 4610
1 2010 2010 2010 1960 1880 1800 1730 1670 1600 1540
2010 2010 2010 2010 2010 1950 1860 1780 1690 1590
1 10300 10200 9960 9700 9420 9100 8730 8320 7850 7330
10100 9470 8820 8100 7310 6480 5670 4920 4270 3710
1 1620 1620 1620 1550 1480 1410 1350 1290 1230 1170
1620 1620 1620 1620 1620 1570 1500 1430 1350 1280
1 8870 8760 8550 8320 8080 7790 7470 7110 6690 6240
8590 8040 7430 6760 6020 5260 4540 3910 3360 2910
1 1370 1370 1360 1280 1210 1150 1080 1020 971 920
1370 1370 1370 1370 1360 1300 1240 1170 1110 1040
1 7800 7700 7510 7310 7080 6830 6540 6210 5840 5430
7540 7060 6520 5920 5270 4600 3970 3410 2930 2530
1 1190 1190 1170 1100 1040 976 917 862 811 764
1190 1190 1190 1190 1180 1130 1080 1020 958 896
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
356x406x634 # Pcx
Pz = Agpy = 26300 Pcy
pyZx = 3760 Mb
pyZy = 1500 Mbs
356x406x551 # Pcx
Pz = Agpy = 22800 Pcy
pyZx = 3240 Mb
pyZy = 1280 Mbs
356x406x467 # Pcx
Pz = Agpy = 19900 Pcy
pyZx = 2810 Mb
pyZy = 1100 Mbs
356x406x393 # Pcx
Pz = Agpy = 16800 Pcy
pyZx = 2340 Mb
pyZy = 912 Mbs
356x406x340 # Pcx
Pz = Agpy = 14500 Pcy
pyZx = 2020 Mb
pyZy = 779 Mbs
356x406x287 # Pcx
Pz = Agpy = 12600 Pcy
pyZx = 1750 Mb
pyZy = 669 Mbs
356x406x235 # Pcx
Pz = Agpy = 10300 Pcy
pyZx = 1430 Mb
pyZy = 542 Mbs
356x368x202 # Pcx
Pz = Agpy = 8870 Pcy
pyZx = 1220 Mb
pyZy = 436 Mbs
356x368x177 # Pcx
Pz = Agpy = 7800 Pcy
pyZx = 1070 Mb
pyZy = 380 Mbs
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 2 3 4 5 6 7 8 9 10 11
1 6730 6640 6470 6300 6100 5880 5630 5340 5010 4660
6510 6080 5620 5100 4530 3950 3400 2920 2510 2170
1 926 926 918 865 814 764 717 673 632 594
926 926 926 926 918 877 834 788 742 694
1 5660 5580 5440 5290 5120 4930 4710 4460 4180 3870
5470 5110 4710 4270 3790 3300 2840 2430 2090 1800
1 781 781 769 721 673 627 583 542 504 469
781 781 781 781 773 738 701 663 623 582
1 12100 11800 11400 11000 10500 10000 9460 8840 8190 7520
11300 10300 9200 8030 6880 5820 4900 4150 3530 3030
1 1710 1710 1710 1640 1570 1510 1460 1410 1360 1310
1710 1710 1710 1710 1640 1540 1450 1350 1250 1150
1 10600 10300 10100 9750 9400 8990 8510 7970 7370 6740
10000 9200 8290 7260 6200 5210 4360 3660 3100 2650
1 1470 1470 1440 1370 1310 1250 1200 1150 1100 1060
1470 1470 1470 1460 1390 1310 1220 1140 1050 961
1 8690 8510 8270 8000 7700 7350 6940 6470 5960 5430
8210 7540 6780 5920 5040 4220 3520 2960 2500 2130
1 1190 1190 1140 1080 1030 974 925 880 838 798
1190 1190 1190 1180 1120 1050 984 912 839 767
1 6930 6770 6580 6360 6110 5820 5470 5090 4660 4230
6530 5990 5360 4660 3950 3290 2740 2290 1940 1650
1 925 925 874 818 767 719 675 634 597 564
925 925 925 917 867 814 759 702 644 587
1 6000 5860 5680 5490 5270 5010 4700 4360 3980 3600
5650 5170 4620 4010 3380 2820 2340 1960 1650 1410
1 792 792 740 688 639 594 553 515 482 452
792 792 792 784 740 695 647 597 547 499
1 5180 5050 4890 4730 4530 4300 4040 3730 3410 3080
4860 4450 3970 3430 2890 2400 2000 1670 1410 1200
1 676 674 624 576 530 488 450 416 386 359
676 676 676 667 629 590 549 506 463 422
1 4370 4250 4120 3970 3800 3600 3360 3090 2800 2520
4090 3730 3310 2850 2390 1970 1630 1360 1140 971
1 513 513 474 436 399 365 334 306 281 260
513 513 513 503 474 444 411 378 345 313
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
356x368x153 # Pcx
Pz = Agpy = 6730 Pcy
pyZx = 926 Mb
pyZy = 327 Mbs
356x368x129 # Pcx
Pz = Agpy = 5660 Pcy
pyZx = 781 Mb
pyZy = 274 Mbs
305x305x283 Pcx
Pz = Agpy = 12100 Pcy
pyZx = 1450 Mb
pyZy = 512 Mbs
305x305x240 Pcx
Pz = Agpy = 10600 Pcy
pyZx = 1260 Mb
pyZy = 440 Mbs
305x305x198 Pcx
Pz = Agpy = 8690 Pcy
pyZx = 1030 Mb
pyZy = 358 Mbs
305x305x158 Pcx
Pz = Agpy = 6930 Pcy
pyZx = 817 Mb
pyZy = 279 Mbs
305x305x137 Pcx
Pz = Agpy = 6000 Pcy
pyZx = 707 Mb
pyZy = 239 Mbs
305x305x118 Pcx
Pz = Agpy = 5180 Pcy
pyZx = 607 Mb
pyZy = 203 Mbs
305x305x97 Pcx
Pz = Agpy = 4370 Pcy
pyZx = 513 Mb
pyZy = 170 Mbs
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7
1 7350 7350 7310 7190 7070 6950 6820 6520 6160 5730
7350 7070 6750 6410 6040 5640 5210 4330 3510 2840
1 836 836 836 836 836 815 792 751 714 679
836 836 836 836 836 836 836 793 738 680
1 5800 5800 5760 5660 5570 5460 5350 5110 4810 4450
5800 5560 5300 5030 4730 4410 4060 3350 2710 2180
1 645 645 645 645 636 615 595 558 524 493
645 645 645 645 645 645 645 608 565 519
1 4690 4690 4650 4570 4490 4410 4310 4100 3850 3550
4690 4490 4280 4050 3810 3540 3250 2670 2150 1730
1 512 512 512 512 498 479 460 426 395 367
512 512 512 512 512 512 512 480 445 408
1 3900 3900 3860 3800 3730 3660 3580 3400 3190 2930
3900 3730 3550 3360 3150 2930 2690 2210 1770 1420
1 422 422 422 422 406 389 372 340 311 285
422 422 422 422 422 422 422 395 366 335
1 3310 3310 3270 3210 3150 3090 3020 2870 2680 2450
3300 3150 3000 2830 2650 2460 2250 1830 1460 1170
1 319 319 319 319 307 293 280 254 231 210
319 319 319 319 319 319 317 296 273 249
1 3800 3780 3710 3630 3540 3450 3340 3090 2790 2440
3720 3510 3290 3040 2770 2480 2190 1670 1280 1000
1 337 337 337 330 316 304 292 270 250 233
337 337 337 337 337 331 317 289 258 227
1 3120 3110 3040 2980 2910 2830 2740 2530 2270 1980
3060 2880 2700 2490 2270 2030 1790 1360 1040 812
1 276 276 276 266 254 242 231 211 193 177
276 276 276 276 276 270 259 235 210 185
1 2710 2700 2640 2580 2510 2440 2360 2170 1920 1660
2650 2490 2330 2140 1940 1720 1500 1140 862 669
1 233 233 233 221 209 198 187 168 151 136
233 233 233 233 233 226 216 196 174 151
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
254x254x167 Pcx
Pz = Agpy = 7350 Pcy
pyZx = 716 Mb
pyZy = 257 Mbs
254x254x132 Pcx
Pz = Agpy = 5800 Pcy
pyZx = 563 Mb
pyZy = 199 Mbs
254x254x107 Pcx
Pz = Agpy = 4690 Pcy
pyZx = 453 Mb
pyZy = 158 Mbs
254x254x89 Pcx
Pz = Agpy = 3900 Pcy
pyZx = 378 Mb
pyZy = 131 Mbs
254x254x73 Pcx
Pz = Agpy = 3310 Pcy
pyZx = 319 Mb
pyZy = 109 Mbs
203x203x86 Pcx
Pz = Agpy = 3800 Pcy
pyZx = 293 Mb
pyZy = 103 Mbs
203x203x71 Pcx
Pz = Agpy = 3120 Pcy
pyZx = 244 Mb
pyZy = 84.9 Mbs
203x203x60 Pcx
Pz = Agpy = 2710 Pcy
pyZx = 207 Mb
pyZy = 71.4 Mbs
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7
1 2350 2340 2290 2240 2180 2120 2050 1870 1660 1430
2300 2160 2020 1850 1670 1490 1300 980 744 577
1 201 201 200 189 178 168 158 140 124 111
201 201 201 201 201 195 187 169 150 130
1 2080 2070 2020 1980 1930 1870 1810 1650 1460 1250
2030 1910 1780 1630 1470 1300 1140 856 648 503
1 160 160 160 152 143 135 127 112 98.9 88.2
160 160 160 160 160 154 148 133 118 102
1 1670 1630 1580 1530 1460 1390 1300 1100 886 708
1570 1430 1270 1100 920 761 630 442 323 246
1 110 110 102 95.3 88.8 82.7 77.2 67.6 59.8 53.5
110 110 110 108 102 95.2 88.4 74.2 60.9 49.7
1 1360 1320 1280 1240 1190 1120 1050 880 708 564
1270 1160 1030 884 739 611 504 353 258 196
1 88 87.3 80.7 74.4 68.4 62.8 57.8 49.4 43 37.9
88 88 88 86.2 81.3 76 70.4 59 48.3 39.3
1 1040 1010 974 938 895 844 785 648 516 408
965 875 770 654 542 444 365 254 185 140
1 58.2 57.9 53.3 48.7 44.4 40.3 36.6 30.6 26.1 22.8
58.2 58.2 58.2 56.5 53 49.4 45.5 37.7 30.6 24.7
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
203x203x52 Pcx
Pz = Agpy = 2350 Pcy
pyZx = 181 Mb
pyZy = 61.8 Mbs
203x203x46 Pcx
Pz = Agpy = 2080 Pcy
pyZx = 160 Mb
pyZy = 54 Mbs
152x152x37 Pcx
Pz = Agpy = 1670 Pcy
pyZx = 96.9 Mb
pyZy = 32.5 Mbs
152x152x30 Pcx
Pz = Agpy = 1360 Pcy
pyZx = 78.8 Mb
pyZy = 26 Mbs
152x152x23 Pcx
Pz = Agpy = 1040 Pcy
pyZx = 58.2 Mb
pyZy = 18.7 Mbs
for
12 13 14
17500 16400 15300
8680 7720 6890
4170 4100 4020
3680 3470 3270
15000 13900 13000
7440 6610 5900
3460 3390 3320
3100 2930 2750
12600 11700 10800
6220 5510 4910
2840 2770 2710
2590 2440 2290
11000 10200 9440
5360 4730 4200
2240 2180 2120
2100 1970 1850
9390 8680 7990
4570 4030 3580
1840 1780 1730
1780 1670 1560
8400 7740 7090
4030 3540 3130
1490 1430 1380
1500 1400 1310
6780 6230 5700
3240 2850 2520
1120 1080 1030
1200 1120 1040
5760 5280 4820
2530 2210 1950
874 831 791
965 895 828
5000 4580 4170
2200 1930 1700
721 683 647
835 774 715
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
for
12 13 14
4290 3920 3570
1880 1650 1450
560 529 500
645 598 552
3560 3250 2950
1570 1370 1210
439 411 386
541 501 463
6860 6230 5640
2630 2290 2020
1270 1220 1180
1050 960 875
6110 5510 4960
2280 1990 1740
1010 975 938
876 797 724
4900 4410 3960
1840 1600 1400
762 728 696
699 635 576
3810 3410 3060
1420 1230 1080
533 506 480
533 484 438
3230 2900 2590
1210 1050 922
425 401 379
452 410 371
2760 2470 2210
1030 895 784
336 315 297
382 346 313
2250 2000 1790
835 724 634
242 226 212
283 255 230
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
for
8 9 10
5240 4700 4170
2320 1910 1600
647 617 589
620 560 502
4050 3610 3190
1780 1460 1220
464 438 414
471 424 379
3200 2840 2490
1400 1150 963
341 318 298
370 332 296
2640 2340 2050
1150 949 792
262 242 225
303 272 242
2200 1930 1690
942 773 644
191 175 161
225 201 178
2090 1770 1510
797 648 536
217 203 190
198 171 148
1690 1430 1220
646 525 434
163 151 141
160 138 120
1400 1180 997
532 431 356
124 114 105
131 112 96.6
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
for
8 9 10
1210 1010 857
458 372 307
100 91.2 83.7
112 96.5 83
1050 885 747
399 323 267
79.4 72.1 66
88.1 75.6 64.9
570 465 386
192 155 127
48.4 44.1 40.5
40.8 33.8 28.4
453 370 306
154 123 101
33.9 30.7 28
32.2 26.7 22.4
327 266 220
110 88.2 72.4
20.2 18.1 16.4
20.2 16.7 14
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
844 844 844 844 844 844 844 844 844 844 844
- 310 310 310 310 310 310 310 310 310 310 310
1 844 828 781 699 604 508 410 310 208 105 0
310 310 310 310 310 310 310 261 190 103 0
726 726 726 726 726 726 726 726 726 726 726
1 269 269 269 269 269 269 269 269 269 269 269
0 - - - - - - - - - - -
- - - - - - - - - - -
629 629 629 629 629 629 629 629 629 629 629
1 242 242 242 242 242 242 242 242 242 242 242
0 - - - - - - - - - - -
- - - - - - - - - - -
491 491 491 491 491 491 491 491 491 491 491
1 170 170 170 170 170 170 170 170 170 170 170
0 - - - - - - - - - - -
- - - - - - - - - - -
968 968 968 968 968 968 968 968 968 968 968
- 343 343 343 343 343 343 343 343 343 343 343
1 968 950 898 810 704 595 482 367 248 126 0
343 343 343 343 343 343 343 289 210 114 0
796 796 796 796 796 796 796 796 796 796 796
- 280 280 280 280 280 280 280 280 280 280 280
1 796 781 737 665 577 486 394 299 202 102 0
280 280 280 280 280 280 280 237 172 93.5 0
628 628 628 628 628 628 628 628 628 628 628
- 220 220 220 220 220 220 220 220 220 220 220
1 628 616 582 524 454 382 309 234 157 79.4 0
220 220 220 220 220 220 220 187 136 73.8 0
526 526 526 526 526 526 526 526 526 526 526
- 183 183 183 183 183 183 183 183 183 183 183
1 526 516 487 438 380 319 258 195 131 66.1 0
183 183 183 183 183 183 183 156 114 61.9 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x368x174 Mcx
Pz = Agpy = 5860 Mcy
Mrx
Mry
356x368x152 Mcx
Pz = Agpy = 5140 Mcy
Mrx
Mry
356x368x133 Mcx
Pz = Agpy = 4650 Mcy
Mrx
Mry
356x368x109 Mcx
Pz = Agpy = 3820 Mcy
Mrx
Mry
305x305x223 Mcx
Pz = Agpy = 7530 Mcy
Mrx
Mry
305x305x186 Mcx
Pz = Agpy = 6280 Mcy
Mrx
Mry
305x305x149 Mcx
Pz = Agpy = 5040 Mcy
Mrx
Mry
305x305x126 Mcx
Pz = Agpy = 4270 Mcy
Mrx
Mry
CROSS-SECTION CAPACITY CHECK
CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
472 472 472 472 472 472 472 472 472 472 472
1 164 164 164 164 164 164 164 164 164 164 164
0 - - - - - - - - - - -
- - - - - - - - - - -
388 388 388 388 388 388 388 388 388 388 388
1 140 140 140 140 140 140 140 140 140 140 140
0 - - - - - - - - - - -
- - - - - - - - - - -
351 351 351 351 351 351 351 351 351 351 351
1 128 128 128 128 128 128 128 128 128 128 128
0 - - - - - - - - - - -
- - - - - - - - - - -
308 308 308 308 308 308 308 308 308 308 308
1 104 104 104 104 104 104 104 104 104 104 104
0 - - - - - - - - - - -
- - - - - - - - - - -
300 300 300 300 300 300 300 300 300 300 300
- 107 107 107 107 107 107 107 107 107 107 107
1 300 295 278 250 215 181 146 111 74.3 37.5 0
107 107 107 107 107 107 107 90.8 66.1 35.9 0
243 243 243 243 243 243 243 243 243 243 243
1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1 88.1
0 - - - - - - - - - - -
- - - - - - - - - - -
208 208 208 208 208 208 208 208 208 208 208
1 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6 77.6
0 - - - - - - - - - - -
- - - - - - - - - - -
153 153 153 153 153 153 153 153 153 153 153
- 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1 54.1
1 153 150 142 127 110 92.4 74.6 56.4 37.9 19.1 0
54.1 54.1 54.1 54.1 54.1 54.1 54.1 46.1 33.5 18.2 0
123 123 123 123 123 123 123 123 123 123 123
1 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2 44.2
0 - - - - - - - - - - -
- - - - - - - - - - -
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
305x305x110 Mcx
Pz = Agpy = 3850 Mcy
Mrx
Mry
305x305x95 Mcx
Pz = Agpy = 3330 Mcy
Mrx
Mry
305x305x88 Mcx
Pz = Agpy = 3080 Mcy
Mrx
Mry
305x305x79 Mcx
Pz = Agpy = 2750 Mcy
Mrx
Mry
254x254x85 Mcx
Pz = Agpy = 2970 Mcy
Mrx
Mry
254x254x71 Mcx
Pz = Agpy = 2490 Mcy
Mrx
Mry
254x254x63 Mcx
Pz = Agpy = 2210 Mcy
Mrx
Mry
203x203x54 Mcx
Pz = Agpy = 1890 Mcy
Mrx
Mry
203x203x45 Mcx
Pz = Agpy = 1570 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13
1 5860 5810 5660 5510 5350 5170 4970 4750 4510 4240 3960 3670
5710 5340 4950 4520 4070 3610 3170 2770 2410 2100 1840 1620
1 844 844 844 808 764 722 683 647 613 582 554 528
844 844 844 844 844 820 781 741 700 659 617 577
1 5140 5100 4970 4840 4690 4530 4360 4160 3940 3700 3450 3200
5010 4680 4330 3950 3560 3150 2760 2400 2090 1820 1600 1410
1 654 654 654 633 598 565 535 506 479 455 432 411
654 654 654 654 654 634 603 572 540 507 475 443
1 4650 4600 4480 4360 4230 4080 3910 3730 3520 3300 3070 2830
4510 4210 3890 3540 3170 2800 2440 2110 1830 1590 1390 1220
1 593 593 593 565 531 499 468 440 413 389 367 346
593 593 593 593 593 570 542 513 484 454 424 395
1 3820 3780 3680 3580 3470 3350 3210 3060 2880 2700 2510 2310
3710 3460 3190 2900 2590 2280 1980 1720 1490 1290 1130 991
1 486 486 486 458 427 398 370 344 320 298 278 261
486 486 486 486 486 466 443 419 394 369 345 320
1 7530 7400 7190 6960 6720 6440 6120 5770 5380 4980 4560 4160
7180 6620 6010 5350 4670 4010 3420 2910 2500 2150 1870 1630
1 968 968 968 933 894 858 824 793 764 736 710 686
968 968 968 968 942 890 837 782 727 672 619 569
1 6280 6170 5990 5800 5580 5350 5080 4770 4440 4100 3750 3410
5980 5500 4980 4420 3830 3280 2790 2370 2030 1740 1510 1320
1 796 796 791 750 713 679 648 620 593 568 545 523
796 796 796 796 770 726 681 635 589 544 500 458
1 5040 4940 4790 4630 4460 4260 4040 3790 3520 3240 2950 2680
4780 4390 3960 3490 3020 2570 2180 1850 1580 1350 1170 1020
1 628 628 612 575 541 511 482 456 433 411 391 372
628 628 628 628 604 568 532 495 458 421 386 354
1 4270 4180 4060 3920 3770 3600 3410 3200 2970 2720 2480 2250
4040 3700 3340 2940 2530 2150 1820 1540 1310 1130 974 850
1 526 526 506 472 441 412 386 362 340 321 303 287
526 526 526 526 504 474 443 411 380 349 320 292
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths LE (m) within the limiting value of F/Pz
LE (m)
356x368x174 Pcx
Pz = Agpy = 5860 Pcy
pyZx = 748 Mb
pyZy = 259 Mbs
356x368x152 Pcx
Pz = Agpy = 5140 Pcy
pyZx = 654 Mb
pyZy = 224 Mbs
356x368x133 Pcx
Pz = Agpy = 4650 Pcy
pyZx = 593 Mb
pyZy = 201 Mbs
356x368x109 Pcx
Pz = Agpy = 3820 Pcy
pyZx = 486 Mb
pyZy = 163 Mbs
305x305x223 Pcx
Pz = Agpy = 7530 Pcy
pyZx = 827 Mb
pyZy = 286 Mbs
305x305x186 Pcx
Pz = Agpy = 6280 Pcy
pyZx = 688 Mb
pyZy = 233 Mbs
305x305x149 Pcx
Pz = Agpy = 5040 Pcy
pyZx = 550 Mb
pyZy = 183 Mbs
305x305x126 Pcx
Pz = Agpy = 4270 Pcy
pyZx = 465 Mb
pyZy = 152 Mbs
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13
1 3850 3770 3650 3530 3390 3230 3050 2850 2630 2400 2180 1970
3630 3320 2980 2610 2230 1890 1590 1340 1140 974 842 734
1 421 421 407 379 353 329 307 287 269 253 239 226
421 421 421 421 399 375 350 324 298 273 249 227
1 3330 3250 3150 3040 2920 2780 2630 2450 2260 2060 1870 1690
3140 2860 2570 2240 1910 1610 1350 1140 968 829 716 624
1 363 363 347 321 297 275 254 236 219 204 191 180
363 363 363 363 343 322 300 277 255 233 213 194
1 3080 3010 2920 2810 2700 2570 2420 2250 2080 1890 1710 1540
2900 2650 2370 2070 1760 1480 1240 1050 888 760 657 572
1 336 336 319 295 271 250 230 212 196 183 170 160
336 336 336 336 317 297 276 256 235 215 196 178
1 2750 2690 2600 2510 2410 2290 2160 2010 1850 1690 1530 1380
2590 2360 2110 1840 1570 1320 1100 929 788 674 582 507
1 302 302 285 262 240 219 200 183 169 156 145 135
302 302 302 302 285 267 248 229 211 192 175 159
1 2950 2850 2730 2600 2440 2260 2060 1850 1640 1450 1270 1130
2720 2420 2080 1740 1420 1160 948 786 660 560 481 417
1 300 296 272 250 230 213 197 183 171 160 151 142
300 300 300 286 265 243 222 200 180 161 144 129
1 2470 2380 2290 2180 2050 1890 1730 1550 1370 1210 1070 942
2270 2010 1730 1440 1170 953 780 646 542 460 395 342
1 222 220 202 185 170 156 144 133 124 116 108 102
222 222 222 210 195 179 162 146 131 117 105 93.7
1 2190 2110 2020 1920 1810 1670 1520 1360 1200 1060 933 823
2010 1780 1530 1270 1030 838 685 567 475 403 346 300
1 197 194 177 161 147 134 122 112 104 96.3 89.8 84.1
197 197 197 186 172 158 143 129 116 103 92.2 82.5
1 1850 1760 1660 1530 1380 1220 1050 901 771 663 573 499
1630 1380 1100 856 663 521 418 341 283 239 204 176
1 153 141 127 115 104 94.4 86.5 79.7 73.8 68.7 64.3 60.4
153 153 146 132 118 105 91.4 79.5 69.2 60.4 52.9 46.6
1 1540 1460 1380 1270 1140 1000 865 739 632 542 469 408
1360 1140 908 702 542 426 341 278 231 194 166 143
1 113 105 93.7 84 75.6 68.4 62.3 57.1 52.7 48.9 45.6 42.8
113 113 107 96.8 86.4 76.1 66.4 57.7 50.1 43.6 38.2 33.7
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths LE (m) within the limiting value of F/Pz
LE (m)
305x305x110 Pcx
Pz = Agpy = 3850 Pcy
pyZx = 421 Mb
pyZy = 136 Mbs
305x305x95 Pcx
Pz = Agpy = 3330 Pcy
pyZx = 363 Mb
pyZy = 116 Mbs
305x305x88 Pcx
Pz = Agpy = 3080 Pcy
pyZx = 336 Mb
pyZy = 107 Mbs
305x305x79 Pcx
Pz = Agpy = 2750 Pcy
pyZx = 302 Mb
pyZy = 95.7 Mbs
254x254x85 Pcx
Pz = Agpy = 2970 Pcy
pyZx = 266 Mb
pyZy = 89.1 Mbs
254x254x71 Pcx
Pz = Agpy = 2490 Pcy
pyZx = 222 Mb
pyZy = 73.4 Mbs
254x254x63 Pcx
Pz = Agpy = 2210 Pcy
pyZx = 197 Mb
pyZy = 64.6 Mbs
203x203x54 Pcx
Pz = Agpy = 1890 Pcy
pyZx = 136 Mb
pyZy = 45.1 Mbs
203x203x45 Pcx
Pz = Agpy = 1570 Pcy
pyZx = 113 Mb
pyZy = 36.9 Mbs
14
3390
1440
503
537
2950
1240
391
412
2600
1080
328
366
2120
876
245
297
3780
1440
663
522
3090
1160
503
419
2430
901
356
323
2040
748
273
267
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
14
1780
645
214
207
1520
548
170
176
1390
502
150
162
1240
445
126
145
998
365
134
116
835
299
96.2
84
729
262
79.1
73.9
438
153
57
41.4
358
125
40.2
29.8
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
1090 1090 1090 1090 1090 1090 1090 1090 1090 1090 1090
1 404 404 404 404 404 404 404 404 404 404 404
0 - - - - - - - - - - -
- - - - - - - - - - -
908 908 908 908 908 908 908 908 908 908 908
1 350 350 350 350 350 350 350 350 350 350 350
0 - - - - - - - - - - -
- - - - - - - - - - -
785 785 785 785 785 785 785 785 785 785 785
1 290 290 290 290 290 290 290 290 290 290 290
0 - - - - - - - - - - -
- - - - - - - - - - -
588 588 588 588 588 588 588 588 588 588 $
0 192 192 192 192 192 192 192 192 192 192 $
0 - - - - - - - - - - -
- - - - - - - - - - -
1260 1260 1260 1260 1260 1260 1260 1260 1260 1260 1260
- 447 447 447 447 447 447 447 447 447 447 447
1 1260 1240 1170 1050 916 774 628 477 323 163 0
447 447 447 447 447 447 447 376 273 148 0
1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040
- 365 365 365 365 365 365 365 365 365 365 365
1 1040 1020 960 866 751 633 513 389 262 133 0
365 365 365 365 365 365 365 308 225 122 0
818 818 818 818 818 818 818 818 818 818 818
- 286 286 286 286 286 286 286 286 286 286 286
1 818 803 757 682 591 497 402 304 205 103 0
286 286 286 286 286 286 286 243 177 96 0
685 685 685 685 685 685 685 685 685 685 685
- 238 238 238 238 238 238 238 238 238 238 238
1 685 672 634 570 495 416 336 254 171 86 0
238 238 238 238 238 238 238 204 148 80.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
356x368x174 Mcx
Pz = Agpy = 7620 Mcy
Mrx
Mry
356x368x152 Mcx
Pz = Agpy = 6690 Mcy
Mrx
Mry
356x368x133 Mcx
Pz = Agpy = 6000 Mcy
Mrx
Mry
356x368x109 Mcx
Pz = Agpy = 4930 Mcy
Mrx
Mry
305x305x223 Mcx
Pz = Agpy = 9800 Mcy
Mrx
Mry
305x305x186 Mcx
Pz = Agpy = 8180 Mcy
Mrx
Mry
305x305x149 Mcx
Pz = Agpy = 6560 Mcy
Mrx
Mry
305x305x126 Mcx
Pz = Agpy = 5550 Mcy
Mrx
Mry
UNIVERSAL BEARING PILES SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
585 585 585 585 585 585 585 585 585 585 585
1 211 211 211 211 211 211 211 211 211 211 211
0 - - - - - - - - - - -
- - - - - - - - - - -
484 484 484 484 484 484 484 484 484 484 484
1 172 172 172 172 172 172 172 172 172 172 172
0 - - - - - - - - - - -
- - - - - - - - - - -
439 439 439 439 439 439 439 439 439 439 439
1 146 146 146 146 146 146 146 146 146 146 146
0 - - - - - - - - - - -
- - - - - - - - - - -
377 377 377 377 377 377 377 377 377 377 $
0 118 118 118 118 118 118 118 118 118 118 $
0 - - - - - - - - - - -
- - - - - - - - - - -
383 383 383 383 383 383 383 383 383 383 383
1 138 138 138 138 138 138 138 138 138 138 138
0 - - - - - - - - - - -
- - - - - - - - - - -
302 302 302 302 302 302 302 302 302 302 302
1 114 114 114 114 114 114 114 114 114 114 114
0 - - - - - - - - - - -
- - - - - - - - - - -
260 260 260 260 260 260 260 260 260 260 260
1 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4 92.4
0 - - - - - - - - - - -
- - - - - - - - - - -
195 195 195 195 195 195 195 195 195 195 195
1 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9 69.9
0 - - - - - - - - - - -
- - - - - - - - - - -
153 153 153 153 153 153 153 153 153 153 153
1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1
0 - - - - - - - - - - -
- - - - - - - - - - -
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
305x305x110 Mcx
Pz = Agpy = 4970 Mcy
Mrx
Mry
305x305x95 Mcx
Pz = Agpy = 4300 Mcy
Mrx
Mry
305x305x88 Mcx
Pz = Agpy = 3980 Mcy
Mrx
Mry
305x305x79 Mcx
Pz = Agpy = 3550 Mcy
Mrx
Mry
254x254x85 Mcx
Pz = Agpy = 3830 Mcy
Mrx
Mry
254x254x71 Mcx
Pz = Agpy = 3210 Mcy
Mrx
Mry
254x254x63 Mcx
Pz = Agpy = 2850 Mcy
Mrx
Mry
203x203x54 Mcx
Pz = Agpy = 2440 Mcy
Mrx
Mry
203x203x45 Mcx
Pz = Agpy = 2030 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13
1 7620 7500 7310 7100 6860 6590 6280 5920 5530 5100 4660 4240
7340 6830 6280 5650 4970 4300 3670 3130 2680 2310 2000 1750
1 974 974 969 916 865 816 770 727 687 650 615 584
974 974 974 974 956 910 862 812 760 708 655 604
1 6690 6580 6410 6220 6010 5780 5500 5180 4830 4450 4060 3690
6430 5990 5490 4930 4330 3730 3190 2720 2320 2000 1730 1510
1 851 851 841 792 744 697 653 612 574 539 507 479
851 851 851 851 833 793 751 706 661 614 568 523
1 6000 5890 5740 5570 5370 5150 4890 4600 4270 3920 3570 3230
5750 5350 4900 4380 3830 3280 2790 2370 2020 1740 1500 1310
1 766 766 749 701 654 609 565 525 487 454 424 397
766 766 766 766 746 709 670 629 587 545 502 462
0 4660 4580 4460 4330 4190 4030 3840 3620 3370 3110 2840 2580
4480 4170 3830 3440 3020 2600 2220 1890 1620 1390 1200 1050
0 628 628 609 567 525 483 444 407 374 344 318 295
628 628 628 628 609 579 546 513 478 443 408 374
0 694 694 663 613 564 515 469 427 389 357 329 304
694 694 694 694 674 640 604 567 528 489 451 414
1 9800 9550 9270 8950 8580 8150 7640 7070 6450 5830 5230 4680
9230 8450 7560 6570 5550 4630 3850 3220 2720 2320 1990 1730
1 1260 1260 1230 1170 1110 1060 1010 970 928 888 851 816
1260 1260 1260 1250 1180 1110 1030 954 875 797 724 656
1 8180 7960 7720 7450 7130 6760 6320 5830 5310 4780 4280 3820
7680 7010 6250 5400 4550 3770 3130 2610 2200 1880 1610 1400
1 1040 1040 992 936 884 836 792 751 713 677 644 614
1040 1040 1040 1020 964 903 839 773 707 643 582 527
1 6560 6370 6180 5950 5690 5380 5020 4620 4190 3760 3360 2990
6130 5590 4960 4260 3570 2950 2440 2030 1710 1450 1250 1080
1 818 818 767 715 668 623 583 546 512 482 455 430
818 818 818 802 755 706 654 601 548 497 449 405
1 5550 5400 5230 5030 4810 4550 4240 3890 3520 3160 2820 2510
5190 4720 4180 3570 2980 2460 2030 1690 1420 1210 1040 899
1 685 684 633 586 541 500 462 428 398 372 349 328
685 685 685 669 630 588 544 499 454 411 371 334
BS 5950-1: 2000 AXIAL LOAD & BENDING
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths LE (m) within the limiting value of F/Pz
LE (m)
356x368x174 Pcx
Pz = Agpy = 7620 Pcy
pyZx = 974 Mb
pyZy = 337 Mbs
356x368x152 Pcx
Pz = Agpy = 6690 Pcy
pyZx = 851 Mb
pyZy = 292 Mbs
356x368x133 Pcx
Pz = Agpy = 6000 Pcy
pyZx = 766 Mb
pyZy = 260 Mbs
* 356x368x109 Pcx
Pz = Agpy = 4930 Pcy
pyZx = 628 Mb
pyZy = 210 Mbs
Mb
Mbs
305x305x223 Pcx
Pz = Agpy = 9800 Pcy
pyZx = 1080 Mb
pyZy = 372 Mbs
305x305x186 Pcx
Pz = Agpy = 8180 Pcy
pyZx = 896 Mb
pyZy = 304 Mbs
305x305x149 Pcx
Pz = Agpy = 6560 Pcy
pyZx = 716 Mb
pyZy = 238 Mbs
305x305x126 Pcx
Pz = Agpy = 5550 Pcy
pyZx = 605 Mb
pyZy = 198 Mbs
BS 4-1: 1993
UC SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN, kNm) 2 3 4 5 6 7 8 9 10 11 12 13
1 4960 4820 4670 4490 4280 4040 3750 3430 3090 2760 2450 2180
4630 4200 3700 3150 2610 2140 1760 1460 1220 1040 892 773
1 544 544 505 467 431 397 366 338 313 292 272 255
544 544 544 528 495 461 426 389 353 318 286 258
1 4290 4160 4030 3870 3690 3480 3220 2940 2650 2360 2090 1860
3990 3620 3180 2700 2230 1820 1500 1240 1040 884 758 657
1 469 467 431 395 361 329 300 275 252 233 216 202
469 469 469 454 426 396 365 333 301 272 244 219
1 3970 3850 3730 3580 3410 3210 2970 2700 2430 2160 1920 1700
3690 3340 2930 2480 2050 1670 1370 1140 955 810 695 602
1 433 431 396 362 329 298 270 246 225 207 192 178
433 433 433 419 393 365 336 306 277 250 224 201
0 3440 3340 3230 3110 2970 2800 2600 2370 2140 1910 1700 1510
3210 2910 2560 2170 1800 1470 1210 1000 843 715 614 532
0 390 386 354 321 290 260 234 211 192 176 162 150
390 390 390 377 353 328 302 275 249 224 201 180
0 432 422 383 345 308 274 244 219 198 181 166 153
432 432 432 417 391 363 334 305 275 248 222 200
1 3780 3640 3480 3280 3040 2750 2430 2120 1830 1590 1380 1200
3450 3030 2530 2030 1600 1270 1030 841 699 590 504 435
1 343 332 305 280 257 236 218 201 187 174 163 153
343 343 338 314 288 261 234 207 183 161 142 126
1 3160 3050 2910 2750 2540 2300 2040 1770 1530 1330 1150 1010
2880 2520 2100 1680 1320 1050 844 690 574 484 413 357
1 286 274 250 226 204 185 168 154 141 131 121 113
286 286 281 261 239 216 193 171 151 133 117 103
1 2810 2700 2580 2430 2240 2030 1790 1550 1340 1160 1010 879
2550 2230 1850 1480 1160 920 740 605 503 424 362 313
1 255 242 219 196 175 157 141 128 117 108 99.8 92.9
255 255 249 231 212 191 171 151 133 117 103 90.9
1 2360 2240 2090 1900 1660 1410 1180 986 829 704 604 523
2060 1690 1290 959 723 559 443 359 296 248 211 182
1 175 159 142 128 115 104 94.5 86.6 79.8 74 69 64.6
175 175 160 143 126 109 93 79.4 68 58.6 50.9 44.5
1 1970 1860 1740 1570 1370 1160 967 807 678 576 493 427
1710 1390 1060 785 591 456 361 292 241 202 172 148
1 146 129 114 100 88.6 78.9 70.9 64.3 58.8 54.1 50.2 46.8
146 145 132 118 104 89.3 76.2 64.9 55.5 47.8 41.5 36.3
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths LE (m) within the limiting value of F/Pz
LE (m)
305x305x110 Pcx
Pz = Agpy = 4970 Pcy
pyZx = 544 Mb
pyZy = 176 Mbs
305x305x95 Pcx
Pz = Agpy = 4300 Pcy
pyZx = 469 Mb
pyZy = 150 Mbs
305x305x88 Pcx
Pz = Agpy = 3980 Pcy
pyZx = 433 Mb
pyZy = 138 Mbs
* 305x305x79 Pcx
Pz = Agpy = 3550 Pcy
pyZx = 390 Mb
pyZy = 124 Mbs
Mb
Mbs
254x254x85 Pcx
Pz = Agpy = 3830 Pcy
pyZx = 343 Mb
pyZy = 115 Mbs
254x254x71 Pcx
Pz = Agpy = 3210 Pcy
pyZx = 286 Mb
pyZy = 94.8 Mbs
254x254x63 Pcx
Pz = Agpy = 2850 Pcy
pyZx = 255 Mb
pyZy = 83.4 Mbs
203x203x54 Pcx
Pz = Agpy = 2440 Pcy
pyZx = 175 Mb
pyZy = 58.2 Mbs
203x203x45 Pcx
Pz = Agpy = 2030 Pcy
pyZx = 146 Mb
pyZy = 47.6 Mbs
14
3840
1540
555
556
3340
1330
453
481
2910
1150
373
423
2330
924
275
343
283
379
4180
1520
784
594
3410
1230
586
476
2670
949
408
366
2240
787
309
301
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
14
1940
676
240
232
1650
574
189
197
1510
526
167
181
1340
465
139
162
142
179
1060
379
145
112
885
311
106
91.9
772
272
86.9
80.8
456
158
60.7
39.2
373
129
43.8
31.9
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
50x30 3.61 126 1.87 1.87 1.87 1.87 1.87 1.87 1.87 1.87
n/a n/a 1.36 1.36 1.36 1.36 1.36 1.36 1.36 1.36
1 1 1.87 1.87 1.87 1.79 1.63 1.43 1.18 0.9
1.36 1.35 1.28 1.17 1.03 0.871 0.709 0.541
60x40 4.35 152 2.91 2.91 2.91 2.91 2.91 2.91 2.91 2.91
n/a n/a 2.25 2.25 2.25 2.25 2.25 2.25 2.25 2.25
1 1 2.91 2.91 2.86 2.68 2.43 2.12 1.74 1.32
2.25 2.22 2.11 1.94 1.69 1.43 1.16 0.881
5.64 198 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6
n/a n/a 2.81 2.81 2.81 2.81 2.81 2.81 2.81 2.81
1 1 3.6 3.6 3.6 3.4 3.08 2.68 2.21 1.69
2.81 2.79 2.65 2.43 2.14 1.82 1.48 1.13
6.85 240 4.19 4.19 4.19 4.19 4.19 4.19 4.19 4.19
n/a n/a 3.22 3.22 3.22 3.22 3.22 3.22 3.22 3.22
1 1 4.19 4.19 4.19 4.04 3.67 3.2 2.64 2.03
3.22 3.22 3.15 2.88 2.54 2.16 1.77 1.35
80x40 5.62 197 4.72 4.72 4.72 4.72 4.72 4.72 4.72 4.72
n/a n/a 3.03 3.03 3.03 3.03 3.03 3.03 3.03 3.03
1 1 4.72 4.72 4.72 4.45 4.07 3.57 2.97 2.28
3.03 2.97 2.8 2.53 2.2 1.85 1.5 1.14
6.9 242 5.64 5.64 5.64 5.64 5.64 5.64 5.64 5.64
n/a n/a 3.63 3.63 3.63 3.63 3.63 3.63 3.63 3.63
1 1 5.64 5.64 5.64 5.4 4.93 4.34 3.6 2.77
3.63 3.56 3.36 3.04 2.65 2.24 1.82 1.39
8.42 294 6.63 6.63 6.63 6.63 6.63 6.63 6.63 6.63
n/a n/a 4.26 4.26 4.26 4.26 4.26 4.26 4.26 4.26
1 1 6.63 6.63 6.63 6.47 5.92 5.21 4.34 3.33
4.26 4.24 4 3.61 3.15 2.68 2.19 1.67
10.3 360 7.69 7.69 7.69 7.69 7.69 7.69 7.69 7.69
n/a n/a 4.82 4.82 4.82 4.82 4.82 4.82 4.82 4.82
1 1 7.69 7.69 7.69 7.69 7.05 6.21 5.18 4.01
4.82 4.82 4.69 4.26 3.75 3.2 2.63 2.02
12.5 440 8.74 8.74 8.74 8.74 8.74 8.74 8.74 8.74
n/a n/a 5.31 5.31 5.31 5.31 5.31 5.31 5.31 5.31
1 1 8.74 8.74 8.74 8.74 8.28 7.29 6.08 4.78
5.31 5.31 5.31 4.96 4.4 3.79 3.13 2.42
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.2 ~ Mcx
Mcy
Mrx
Mry
3.0 ~ Mcx
Mcy
Mrx
Mry
4.0 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
3.2 ~ Mcx
Mcy
Mrx
Mry
4.0 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
90x50 7.4 259 7.19 7.19 7.19 7.19 7.19 7.19 7.19 7.19
n/a n/a 4.95 4.95 4.95 4.95 4.95 4.95 4.95 4.95
1 1 7.19 7.19 7.14 6.72 6.12 5.36 4.43 3.38
4.95 4.87 4.61 4.19 3.63 3.06 2.48 1.88
9.99 350 9.34 9.34 9.34 9.34 9.34 9.34 9.34 9.34
n/a n/a 6.46 6.46 6.46 6.46 6.46 6.46 6.46 6.46
1 1 9.34 9.34 9.34 8.9 8.12 7.11 5.89 4.5
6.46 6.35 6.02 5.46 4.78 4.05 3.29 2.51
12.3 430 11 11 11 11 11 11 11 11
n/a n/a 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52
1 1 11 11 11 10.7 9.75 8.55 7.08 5.46
7.52 7.52 7.17 6.5 5.72 4.87 3.98 3.04
100x50 6.71 235 7.23 7.23 7.23 7.23 7.23 7.23 7.23 7.23
n/a n/a 4.62 4.62 4.62 4.62 4.62 4.62 4.62 4.62
1 1 7.23 7.23 7.17 6.76 6.17 5.42 4.5 3.43
4.62 4.54 4.29 3.87 3.34 2.81 2.27 1.71
7.13 250 7.66 7.66 7.66 7.66 7.66 7.66 7.66 7.66
n/a n/a 4.87 4.87 4.87 4.87 4.87 4.87 4.87 4.87
1 1 7.66 7.66 7.59 7.15 6.53 5.73 4.76 3.64
4.87 4.78 4.51 4.07 3.53 2.97 2.4 1.82
10.8 378 11 11 11 11 11 11 11 11
n/a n/a 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1
1 1 11 11 11 10.5 9.64 8.47 7.05 5.4
7.1 6.97 6.58 5.94 5.17 4.38 3.56 2.71
13.3 464 13 13 13 13 13 13 13 13
n/a n/a 8.32 8.32 8.32 8.32 8.32 8.32 8.32 8.32
1 1 13 13 13 12.7 11.6 10.2 8.5 6.56
8.32 8.31 7.85 7.1 6.21 5.28 4.31 3.3
16.3 571 15.2 15.2 15.2 15.2 15.2 15.2 15.2 15.2
n/a n/a 9.47 9.47 9.47 9.47 9.47 9.47 9.47 9.47
1 1 15.2 15.2 15.2 15.2 13.9 12.3 10.2 7.93
9.47 9.47 9.24 8.41 7.4 6.33 5.19 3.99
19.6 686 17.1 17.1 17.1 17.1 17.1 17.1 17.1 17.1
n/a n/a 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4
1 1 17.1 17.1 17.1 17.1 16.2 14.2 11.9 9.32
10.4 10.4 10.4 9.67 8.57 7.38 6.1 4.71
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.6 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
3.0 ~ Mcx
Mcy
Mrx
Mry
3.2 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
100x60 8.53 300 9.54 9.54 9.54 9.54 9.54 9.54 9.54 9.54
n/a n/a 6.85 6.85 6.85 6.85 6.85 6.85 6.85 6.85
1 1 9.54 9.54 9.34 8.77 7.97 6.95 5.71 4.37
6.85 6.73 6.39 5.83 5.09 4.28 3.46 2.62
11.6 404 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5
n/a n/a 9.05 9.05 9.05 9.05 9.05 9.05 9.05 9.05
1 1 12.5 12.5 12.4 11.7 10.7 9.32 7.69 5.82
9.05 8.9 8.45 7.71 6.71 5.67 4.6 3.5
14.2 498 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9
n/a n/a 10.8 10.8 10.8 10.8 10.8 10.8 10.8 10.8
1 1 14.9 14.9 14.9 14.1 12.9 11.3 9.32 7.09
10.8 10.7 10.1 9.25 8.09 6.87 5.59 4.26
17.5 616 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4
n/a n/a 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5
1 1 17.4 17.4 17.4 17 15.4 13.5 11.3 8.64
12.5 12.5 12.1 11 9.74 8.3 6.79 5.21
120x60 9.7 338 12.5 12.5 12.5 12.5 12.5 12.5 12.5 12.5
n/a n/a 7.95 7.95 7.95 7.95 7.95 7.95 7.95 7.95
1 1 12.5 12.5 12.4 11.7 10.7 9.37 7.78 5.92
7.95 7.8 7.37 6.65 5.77 4.85 3.92 2.96
13.1 459 16.5 16.5 16.5 16.5 16.5 16.5 16.5 16.5
n/a n/a 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6
1 1 16.5 16.5 16.5 15.6 14.3 12.6 10.4 7.95
10.6 10.4 9.79 8.83 7.67 6.47 5.24 3.98
16.2 569 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7
n/a n/a 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7
1 1 19.7 19.7 19.7 19 17.4 15.2 12.7 9.75
12.7 12.5 11.8 10.7 9.31 7.89 6.42 4.89
20.1 704 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4
n/a n/a 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9
1 1 23.4 23.4 23.4 23 21 18.5 15.4 11.9
14.9 14.9 14.1 12.8 11.2 9.55 7.8 5.97
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.6 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
3.6 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
120x80 14.7 514 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1
n/a n/a 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
1 1 20.1 20.1 19.6 18.4 16.7 14.5 11.8 8.97
15.4 15.2 14.5 13.3 11.6 9.76 7.89 5.98
18.2 638 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2
n/a n/a 18.8 18.8 18.8 18.8 18.8 18.8 18.8 18.8
1 1 24.2 24.2 23.9 22.4 20.3 17.7 14.5 11
18.8 18.5 17.6 16.1 14.1 11.9 9.69 7.36
22.6 792 28.9 28.9 28.9 28.9 28.9 28.9 28.9 28.9
n/a n/a 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5
1 1 28.9 28.9 28.9 27.3 24.8 21.6 17.7 13.5
22.5 22.4 21.3 19.5 17.2 14.6 11.9 9.05
27.4 960 33.5 33.5 33.5 33.5 33.5 33.5 33.5 33.5
n/a n/a 25.8 25.8 25.8 25.8 25.8 25.8 25.8 25.8
1 1 33.5 33.5 33.5 32.3 29.3 25.6 21.1 16.2
25.8 25.8 25.1 23 20.3 17.3 14.1 10.8
150x100 18.6 652 32.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5
n/a n/a 24.8 24.8 24.8 24.8 24.8 24.8 24.8 24.8
1 1 32.5 32.3 31.2 29.2 26.5 23.1 18.9 14.3
24.8 24.4 23.2 21.3 18.6 15.6 12.6 9.54
23.1 811 39.6 39.6 39.6 39.6 39.6 39.6 39.6 39.6
n/a n/a 30.3 30.3 30.3 30.3 30.3 30.3 30.3 30.3
1 1 39.6 39.6 38.5 36.2 32.8 28.6 23.3 17.7
30.3 29.8 28.4 26 22.8 19.2 15.6 11.8
28.9 1010 47.9 47.9 47.9 47.9 47.9 47.9 47.9 47.9
n/a n/a 37.1 37.1 37.1 37.1 37.1 37.1 37.1 37.1
1 1 47.9 47.9 47.2 44.3 40.2 35 28.7 21.9
37.1 36.5 34.8 31.9 28 23.7 19.2 14.6
35.3 1230 56.4 56.4 56.4 56.4 56.4 56.4 56.4 56.4
n/a n/a 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9
1 1 56.4 56.4 56.4 53.2 48.3 42.1 34.6 26.4
43.9 43.6 41.5 38 33.5 28.4 23.1 17.6
42.8 1500 65.3 65.3 65.3 65.3 65.3 65.3 65.3 65.3
n/a n/a 50.5 50.5 50.5 50.5 50.5 50.5 50.5 50.5
1 1 65.3 65.3 65.3 63 57.3 49.9 41.3 31.7
50.5 50.5 49 44.9 39.7 33.8 27.6 21.2
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
12.5 ~ Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
160x80 14.4 506 25.2 25.2 25.2 25.2 25.2 25.2 25.2 25.2
n/a 1 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8
1 0 25.2 25.2 24.9 23.4 21.4 18.8 15.6 11.9
- - - - - - - -
17.8 624 30.7 30.7 30.7 30.7 30.7 30.7 30.7 30.7
n/a n/a 19.6 19.6 19.6 19.6 19.6 19.6 19.6 19.6
1 1 30.7 30.7 30.5 28.7 26.2 23 19.1 14.6
19.6 19.2 18.1 16.4 14.2 11.9 9.62 7.29
22.2 776 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3
n/a n/a 23.9 23.9 23.9 23.9 23.9 23.9 23.9 23.9
1 1 37.3 37.3 37.3 35.1 32.1 28.2 23.4 17.9
23.9 23.4 22.1 20 17.3 14.6 11.8 8.99
27.6 968 44.9 44.9 44.9 44.9 44.9 44.9 44.9 44.9
n/a n/a 29.2 29.2 29.2 29.2 29.2 29.2 29.2 29.2
1 1 44.9 44.9 44.9 43.3 39.6 34.8 29 22.2
29.2 28.6 27 24.4 21.2 18 14.6 11.1
33.7 1180 53.1 53.1 53.1 53.1 53.1 53.1 53.1 53.1
n/a n/a 34 34 34 34 34 34 34 34
1 1 53.1 53.1 53.1 51.8 47.4 41.7 34.7 26.7
34 33.7 31.8 28.9 25.3 21.5 17.5 13.4
200x100 22.6 789 49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2
n/a 1 28.9 28.9 28.9 28.9 28.9 28.9 28.9 28.9
1 0 49.2 49.2 48.6 45.8 41.8 36.7 30.5 23.1
- - - - - - - -
28.1 984 60.4 60.4 60.4 60.4 60.4 60.4 60.4 60.4
n/a n/a 38.5 38.5 38.5 38.5 38.5 38.5 38.5 38.5
1 1 60.4 60.4 59.9 56.4 51.5 45.2 37.5 28.7
38.5 37.8 35.7 32.2 27.9 23.5 19 14.4
35.1 1230 73.6 73.6 73.6 73.6 73.6 73.6 73.6 73.6
n/a n/a 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3
1 1 73.6 73.6 73.6 69.8 63.8 56 46.5 35.6
47.3 46.4 43.9 39.6 34.4 29 23.5 17.8
43.1 1510 87.8 87.8 87.8 87.8 87.8 87.8 87.8 87.8
n/a n/a 56.7 56.7 56.7 56.7 56.7 56.7 56.7 56.7
1 1 87.8 87.8 87.8 84.5 77.2 67.9 56.5 43.2
56.7 55.6 52.5 47.5 41.4 35 28.5 21.7
52.7 1850 104 104 104 104 104 104 104 104
n/a n/a 66.3 66.3 66.3 66.3 66.3 66.3 66.3 66.3
1 1 104 104 104 101 92.4 81.2 67.6 52.2
66.3 66.1 62.4 56.5 49.4 42 34.3 26.2
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
4.0 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
200x120 24.1 844 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4
n/a 1 36.4 36.4 36.4 36.4 36.4 36.4 36.4 36.4
1 0 55.4 55.4 53.8 50.5 46 40.2 33 24.8
- - - - - - - -
30.1 1050 68.3 68.3 68.3 68.3 68.3 68.3 68.3 68.3
n/a n/a 48.7 48.7 48.7 48.7 48.7 48.7 48.7 48.7
1 1 68.3 68.3 66.4 62.4 56.8 49.6 40.8 30.8
48.7 47.9 45.5 41.5 36 30.3 24.4 18.5
37.6 1320 83.5 83.5 83.5 83.5 83.5 83.5 83.5 83.5
n/a n/a 60 60 60 60 60 60 60 60
1 1 83.5 83.5 82.1 77.2 70.2 61.3 50.4 38.3
60 59 56 51 44.6 37.5 30.4 23
46.3 1620 100 100 100 100 100 100 100 100
n/a n/a 72.3 72.3 72.3 72.3 72.3 72.3 72.3 72.3
1 1 100 100 99.5 93.5 85.1 74.4 61.3 46.6
72.3 71.1 67.6 61.6 53.8 45.5 36.9 28
200x150 41.4 1450 98 98 98 98 98 98 98 98
n/a n/a 80.9 80.9 80.9 80.9 80.9 80.9 80.9 80.9
1 1 98 97.5 93.9 87.9 79.6 68.8 55.9 42.3
80.9 79.7 76.1 70.1 61.7 52 42 31.8
51 1780 118 118 118 118 118 118 118 118
n/a n/a 97.9 97.9 97.9 97.9 97.9 97.9 97.9 97.9
1 1 118 118 114 107 96.7 83.7 68.1 51.7
97.9 96.5 92.1 84.9 74.7 63.1 51.1 38.8
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
250x100 51 1780 125 125 125 125 125 125 125 125
n/a n/a 69 69 69 69 69 69 69 69
1 1 125 125 125 122 112 98.8 82.9 64.1
69 67.6 63.2 56.6 49.2 41.6 33.8 25.7
62.5 2190 149 149 149 149 149 149 149 149
n/a n/a 82.2 82.2 82.2 82.2 82.2 82.2 82.2 82.2
1 1 149 149 149 147 135 119 100 77.4
82.2 80.5 75.3 67.6 59.1 50.1 40.8 31.2
250x150 30.4 1060 88.8 88.8 88.8 88.8 88.8 85.4 80.8 77.8
0.777*
50.2 50.2 50.2 50.2 50.2 50.2 50.2 50.2
0.426 88.8 88.1 85 79.8 72.6 - - -
- - - - - - - -
38 1330 109 109 109 109 109 109 109 109
n/a 1 72 72 72 72 72 72 72 72
1 0 109 109 105 99 90.1 78.6 64.5 48.9
- - - - - - - -
47.7 1670 135 135 135 135 135 135 135 135
n/a n/a 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3
1 1 135 135 131 123 112 98.1 80.6 61.1
96.3 94.7 89.9 82 71.5 60.1 48.5 36.7
58.8 2060 163 163 163 163 163 163 163 163
n/a n/a 117 117 117 117 117 117 117 117
1 1 163 163 160 151 137 120 98.6 74.8
117 115 109 99.8 86.9 73.2 59.2 44.9
72.3 2530 195 195 195 195 195 195 195 195
n/a n/a 141 141 141 141 141 141 141 141
1 1 195 195 194 183 166 145 120 91.2
141 139 132 120 105 88.8 72.1 54.8
90.3 3160 234 234 234 234 234 234 234 234
n/a n/a 170 170 170 170 170 170 170 170
1 1 234 234 234 224 204 178 147 112
170 169 161 146 128 109 88.7 67.7
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
10.0 ~ Mcx
Mcy
Mrx
Mry
12.5 ~ Mcx
Mcy
Mrx
Mry
5.0 ~ Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
16.0 ~ Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
mm mm kg kN x-x y-y
300x100 47.7 1670 139 139 139 139 139 139 139 139
n/a 1 64.5 64.5 64.5 64.5 64.5 64.5 64.5 64.5
1 0 139 139 139 136 125 110 93 72.3
- - - - - - - -
58.8 2060 168 168 168 168 168 168 168 168
n/a n/a 81.4 81.4 81.4 81.4 81.4 81.4 81.4 81.4
1 1 168 168 168 166 152 135 114 88.7
81.4 79.5 73.7 65.6 57 48.2 39.1 29.7
300x200 47.9 1680 172 172 172 172 172 168 161 157
0.845*
107 107 107 107 107 107 107 107
0.46 172 170 163 153 139 - - -
- - - - - - - -
60.3 2110 214 214 214 214 214 214 214 214
n/a 1 155 155 155 155 155 155 155 155
1 0 214 212 204 191 174 151 123 93.1
- - - - - - - -
74.5 2610 260 260 260 260 260 260 260 260
n/a n/a 198 198 198 198 198 198 198 198
1 1 260 260 251 235 213 186 151 115
198 195 186 170 149 125 101 76.4
91.9 3220 314 314 314 314 314 314 314 314
n/a n/a 241 241 241 241 241 241 241 241
1 1 314 314 305 286 260 226 185 140
241 237 226 207 181 153 123 93.6
115 4040 382 382 382 382 382 382 382 382
n/a n/a 297 297 297 297 297 297 297 297
1 1 382 382 378 354 322 280 230 175
297 292 278 255 224 189 153 117
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
400x200 72.8 2550 323 323 323 323 323 321 301 285
0.777*
163 163 163 163 163 163 163 163
0.455 323 323 316 298 272 - - -
- - - - - - - -
90.2 3160 395 395 395 395 395 395 395 395
n/a 1 231 231 231 231 231 231 231 231
1 0 395 395 389 366 334 294 244 185
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
6.3 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
12.5 ~ Mcx
Mcy
Mrx
Mry
16.0 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
- - - - - - - -
112 3910 479 479 479 479 479 479 479 479
n/a n/a 306 306 306 306 306 306 306 306
1 1 479 479 476 449 410 360 299 228
306 300 283 256 222 186 151 114
141 4920 590 590 590 590 590 590 590 590
n/a n/a 378 378 378 378 378 378 378 378
1 1 590 590 590 558 510 448 373 285
378 371 350 316 275 232 188 143
450x250 85.4 3000 441 441 441 441 422 396 373 207
0.627*
220 220 220 220 220 220 220 220
0.314 441 441 426 400 - - - -
- - - - - - - -
106 3710 541 541 541 541 541 541 538 526
0.929*
315 315 315 315 315 315 315 315
0.563 541 541 525 494 450 393 - -
- - - - - - - -
131 4590 660 660 660 660 660 660 660 660
n/a 1 440 440 440 440 440 440 440 440
1 0 660 660 645 607 553 484 400 303
- - - - - - - -
166 5800 817 817 817 817 817 817 817 817
n/a n/a 558 558 558 558 558 558 558 558
1 1 817 817 806 758 691 605 500 380
558 548 520 472 410 345 279 211
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
500x300 98 3440 543 543 543 543 512 483 217 217
0.508*
281 281 281 281 281 281 281 281
0 - - - - - - - -
- - - - - - - -
122 4260 710 710 710 710 710 683 646 622
0.777*
401 401 401 401 401 401 401 401
0.426 710 705 681 639 581 - - -
- - - - - - - -
151 5280 869 869 869 869 869 869 869 869
n/a 1 569 569 569 569 569 569 569 569
1 0 869 869 838 788 717 625 514 388
Mry
12.5 ~ Mcx
Mcy
Mrx
Mry
16.0 ~ Mcx
Mcy
Mrx
Mry
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
12.5 ~ Mcx
Mcy
Mrx
Mry
16.0 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
8.0 ~ Mcx
Mcy
Mrx
Mry
10.0 ~ Mcx
Mcy
Mrx
Mry
12.5 ~ Mcx
Mcy
Mrx
- - - - - - - -
191 6680 1080 1080 1080 1080 1080 1080 1080 1080
n/a n/a 771 771 771 771 771 771 771 771
1 1 1080 1080 1050 987 898 784 645 488
771 758 720 657 571 480 388 293
235 7950 1260 1260 1260 1260 1260 1260 1260 1260
n/a n/a 903 903 903 903 903 903 903 903
1 1 1260 1260 1230 1160 1060 922 758 577
903 888 843 769 671 565 457 347
Mry
16.0 ~ Mcx
Mcy
Mrx
Mry
20.0 ~ Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
1.87 1.87 1.87 50x30 1 112 88.1 59.7 40.7 29.1 21.8
1.36 1.36 1.36 87.1 48 28.5 18.7 13.1 9.74
0.611 0.311 0 1 1.87 1.87 1.87 1.87 1.87 1.87
0.367 0.187 0
2.91 2.91 2.91 60x40 1 141 125 97.7 70.8 51.8 39.2
2.25 2.25 2.25 130 93.6 60 40.2 28.6 21.3
0.891 0.451 0 1 2.91 2.91 2.91 2.91 2.91 2.91
0.595 0.301 0
3.6 3.6 3.6 1 183 161 124 89.1 65.1 49.1
2.81 2.81 2.81 167 117 74.5 49.8 35.4 26.3
1.15 0.583 0 1 3.6 3.6 3.6 3.6 3.6 3.6
0.766 0.389 0
4.19 4.19 4.19 1 221 192 146 104 75.7 57.1
3.22 3.22 3.22 200 137 86.4 57.6 40.8 30.4
1.38 0.705 0 1 4.19 4.19 4.19 4.19 4.19 4.19
0.922 0.471 0
4.72 4.72 4.72 80x40 1 189 177 159 132 104 80.7
3.03 3.03 3.03 170 126 81.8 55.1 39.2 29.3
1.54 0.778 0 1 4.72 4.72 4.72 4.72 4.72 4.72
0.769 0.389 0
5.64 5.64 5.64 1 231 217 194 159 124 96.7
3.63 3.63 3.63 207 150 96.2 64.6 45.9 34.2
1.87 0.952 0 1 5.64 5.64 5.64 5.64 5.64 5.64
0.939 0.476 0
6.63 6.63 6.63 1 281 263 233 190 147 114
4.26 4.26 4.26 249 176 112 75 53.3 39.7
2.26 1.15 0 1 6.63 6.63 6.63 6.63 6.63 6.63
1.14 0.578 0
7.69 7.69 7.69 1 343 320 280 225 173 134
4.82 4.82 4.82 299 204 128 85.3 60.5 45
2.74 1.41 0 1 7.69 7.69 7.69 7.69 7.69 7.69
1.38 0.704 0
8.74 8.74 8.74 1 418 387 334 263 200 154
5.31 5.31 5.31 356 233 144 95.3 67.4 50.1
3.3 1.7 0 1 8.74 8.74 8.74 8.74 8.74 8.74
1.66 0.856 0
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.2 ~ Pcx
pyZx = 1.56 Pcy
pyZy = 1.14 Mb
3.0 ~ Pcx
pyZx = 2.43 Pcy
pyZy = 1.91 Mb
4.0 ~ Pcx
pyZx = 3 Pcy
pyZy = 2.34 Mb
5.0 ~ Pcx
pyZx = 3.49 Pcy
pyZy = 2.69 Mb
3.2 ~ Pcx
pyZx = 3.93 Pcy
pyZy = 2.6 Mb
4.0 ~ Pcx
pyZx = 4.7 Pcy
pyZy = 3.05 Mb
5.0 ~ Pcx
pyZx = 5.53 Pcy
pyZy = 3.55 Mb
6.3 ~ Pcx
pyZx = 6.41 Pcy
pyZy = 4.01 Mb
8.0 ~ Pcx
pyZx = 7.29 Pcy
pyZy = 4.43 Mb
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
7.19 7.19 7.19 90x50 1 251 240 223 197 164 132
4.95 4.95 4.95 237 204 151 107 77.5 58.3
2.28 1.15 0 1 7.19 7.19 7.19 7.19 7.19 7.19
1.27 0.641 0
9.34 9.34 9.34 1 339 323 299 261 215 172
6.46 6.46 6.46 319 269 196 137 99.2 74.5
3.05 1.55 0 1 9.34 9.34 9.34 9.34 9.34 9.34
1.7 0.862 0
11 11 11 1 415 395 364 316 257 205
7.52 7.52 7.52 389 323 230 160 115 86.3
3.71 1.9 0 1 11 11 11 11 11 11
2.07 1.05 0
7.23 7.23 7.23 100x50 1 229 221 209 191 166 139
4.62 4.62 4.62 216 188 142 101 73.5 55.3
2.31 1.16 0 1 7.23 7.23 7.23 7.23 7.23 7.23
1.15 0.582 0
7.66 7.66 7.66 1 244 235 222 203 176 147
4.87 4.87 4.87 230 199 150 107 77.4 58.3
2.45 1.24 0 1 7.66 7.66 7.66 7.66 7.66 7.66
1.23 0.618 0
11 11 11 1 368 354 333 302 260 214
7.1 7.1 7.1 344 293 215 151 109 81.9
3.66 1.86 0 1 11 11 11 11 11 11
1.83 0.93 0
13 13 13 1 452 434 408 368 314 257
8.32 8.32 8.32 421 352 253 176 127 95.1
4.47 2.28 0 1 13 13 13 13 13 13
2.24 1.14 0
15.2 15.2 15.2 1 554 531 496 444 374 304
9.47 9.47 9.47 513 419 294 202 145 109
5.42 2.78 0 1 15.2 15.2 15.2 15.2 15.2 15.2
2.72 1.39 0
17.1 17.1 17.1 1 664 634 589 520 431 347
10.4 10.4 10.4 608 480 326 223 159 119
6.43 3.32 0 1 17.1 17.1 17.1 17.1 17.1 17.1
3.24 1.67 0
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.6 ~ Pcx
pyZx = 6 Pcy
pyZy = 4.26 Mb
5.0 ~ Pcx
pyZx = 7.78 Pcy
pyZy = 5.42 Mb
6.3 ~ Pcx
pyZx = 9.16 Pcy
pyZy = 6.27 Mb
3.0 ~ Pcx
pyZx = 6.02 Pcy
pyZy = 4.04 Mb
3.2 ~ Pcx
pyZx = 6.38 Pcy
pyZy = 4.26 Mb
5.0 ~ Pcx
pyZx = 9.16 Pcy
pyZy = 5.97 Mb
6.3 ~ Pcx
pyZx = 10.8 Pcy
pyZy = 6.93 Mb
8.0 ~ Pcx
pyZx = 12.7 Pcy
pyZy = 7.89 Mb
10.0 Pcx
pyZx = 14.2 Pcy
pyZy = 8.64 Mb
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
9.54 9.54 9.54 100x60 1 293 282 268 247 216 182
6.85 6.85 6.85 283 259 217 166 124 94.7
2.94 1.48 0 1 9.54 9.54 9.54 9.54 9.54 9.54
1.76 0.891 0
12.5 12.5 12.5 1 395 380 360 329 286 239
9.05 9.05 9.05 380 345 286 215 160 122
3.93 1.99 0 1 12.5 12.5 12.5 12.5 12.5 12.5
2.36 1.2 0
14.9 14.9 14.9 1 486 467 441 401 347 287
10.8 10.8 10.8 466 422 344 257 190 145
4.81 2.45 0 1 14.9 14.9 14.9 14.9 14.9 14.9
2.89 1.47 0
17.4 17.4 17.4 1 600 576 542 489 419 344
12.5 12.5 12.5 574 514 410 301 222 168
5.89 3.01 0 1 17.4 17.4 17.4 17.4 17.4 17.4
3.55 1.81 0
12.5 12.5 12.5 120x60 1 334 325 313 297 275 246
7.95 7.95 7.95 320 294 249 193 145 111
3.99 2.01 0 1 12.5 12.5 12.5 12.5 12.5 12.5
1.99 1.01 0
16.5 16.5 16.5 1 453 440 424 402 370 329
10.6 10.6 10.6 433 396 331 252 189 144
5.37 2.72 0 1 16.5 16.5 16.5 16.5 16.5 16.5
2.69 1.36 0
19.7 19.7 19.7 1 561 544 524 495 455 402
12.7 12.7 12.7 535 486 400 302 224 171
6.61 3.36 0 1 19.7 19.7 19.7 19.7 19.7 19.7
3.31 1.68 0
23.4 23.4 23.4 1 693 672 645 608 555 487
14.9 14.9 14.9 658 593 480 356 263 200
8.1 4.14 0 1 23.4 23.4 23.4 23.4 23.4 23.4
4.06 2.07 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.6 ~ Pcx
pyZx = 7.95 Pcy
pyZy = 5.94 Mb
5.0 ~ Pcx
pyZx = 10.4 Pcy
pyZy = 7.67 Mb
6.3 ~ Pcx
pyZx = 12.4 Pcy
pyZy = 8.99 Mb
8.0 ~ Pcx
pyZx = 14.5 Pcy
pyZy = 10.4 Mb
3.6 ~ Pcx
pyZx = 10.4 Pcy
pyZy = 6.99 Mb
5.0 ~ Pcx
pyZx = 13.7 Pcy
pyZy = 9.05 Mb
6.3 ~ Pcx
pyZx = 16.4 Pcy
pyZy = 10.7 Mb
8.0 ~ Pcx
pyZx = 19.5 Pcy
pyZy = 12.4 Mb
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
20.1 20.1 20.1 120x80 1 508 495 478 456 425 384
15.4 15.4 15.4 498 475 441 389 322 259
6.04 3.05 0 1 20.1 20.1 20.1 20.1 20.1 20.1
4.03 2.04 0
24.2 24.2 24.2 1 630 613 592 563 523 470
18.8 18.8 18.8 617 588 544 475 390 312
7.46 3.78 0 1 24.2 24.2 24.2 24.2 24.2 24.2
4.97 2.52 0
28.9 28.9 28.9 1 781 759 732 695 642 573
22.5 22.5 22.5 765 727 668 578 470 374
9.19 4.67 0 1 28.9 28.9 28.9 28.9 28.9 28.9
6.13 3.12 0
33.5 33.5 33.5 1 946 918 884 836 769 680
25.8 25.8 25.8 924 876 799 681 547 431
11 5.64 0 1 33.5 33.5 33.5 33.5 33.5 33.5
7.37 3.76 0
32.5 32.5 32.5 150x100 1 651 638 624 607 585 558
24.8 24.8 24.8 641 622 597 562 513 450
9.61 4.85 0 1 32.5 32.5 32.5 32.5 32.5 32.5
6.41 3.23 0
39.6 39.6 39.6 1 810 794 776 754 727 692
30.3 30.3 30.3 798 773 741 696 632 551
11.9 6.02 0 1 39.6 39.6 39.6 39.6 39.6 39.6
7.95 4.01 0
47.9 47.9 47.9 1 1010 989 966 938 903 857
37.1 37.1 37.1 994 962 921 862 779 674
14.8 7.49 0 1 47.9 47.9 47.9 47.9 47.9 47.9
9.86 4.99 0
56.4 56.4 56.4 1 1230 1210 1180 1140 1100 1040
43.9 43.9 43.9 1210 1170 1120 1040 933 800
17.9 9.11 0 1 56.4 56.4 56.4 56.4 56.4 56.4
12 6.07 0
65.3 65.3 65.3 1 1500 1460 1430 1380 1320 1250
50.5 50.5 50.5 1470 1420 1350 1250 1110 939
21.6 11 0 1 65.3 65.3 65.3 65.3 65.3 65.3
14.4 7.36 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
5.0 ~ Pcx
pyZx = 16.7 Pcy
pyZy = 13.3 Mb
6.3 Pcx
pyZx = 20.2 Pcy
pyZy = 15.8 Mb
8.0 Pcx
pyZx = 24.1 Pcy
pyZy = 18.7 Mb
10.0 ~ Pcx
pyZx = 27.9 Pcy
pyZy = 21.5 Mb
5.0 ~ Pcx
pyZx = 27.1 Pcy
pyZy = 21.6 Mb
6.3 Pcx
pyZx = 33 Pcy
pyZy = 26.1 Mb
8.0 ~ Pcx
pyZx = 39.9 Pcy
pyZy = 31.4 Mb
10.0 ~ Pcx
pyZx = 47 Pcy
pyZy = 36.6 Mb
12.5 ~ Pcx
pyZx = 54.5 Pcy
pyZy = 42.1 Mb
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
25.2 25.2 25.2 160x80 1 506 496 486 473 458 439
14.8 14.8 14.8 492 471 441 395 334 272
7.97 4.02 0 1 25.2 25.2 25.2 25.2 25.2 25.2
- - -
30.7 30.7 30.7 1 624 612 599 583 564 539
19.6 19.6 19.6 606 580 542 483 406 329
9.8 4.95 0 1 30.7 30.7 30.7 30.7 30.7 30.7
4.9 2.47 0
37.3 37.3 37.3 1 775 760 743 724 699 668
23.9 23.9 23.9 752 719 670 593 495 400
12.1 6.13 0 1 37.3 37.3 37.3 37.3 37.3 37.3
6.06 3.07 0
44.9 44.9 44.9 1 966 947 926 901 869 828
29.2 29.2 29.2 937 894 828 726 599 480
15 7.63 0 1 44.9 44.9 44.9 44.9 44.9 44.9
7.52 3.82 0
53.1 53.1 53.1 1 1180 1150 1130 1090 1050 1000
34 34 34 1140 1080 998 866 706 562
18.2 9.26 0 1 53.1 53.1 53.1 53.1 53.1 53.1
9.1 4.63 0
49.2 49.2 49.2 200x100 1 789 783 771 758 743 725
28.9 28.9 28.9 778 755 727 688 633 561
15.5 7.83 0 1 49.2 49.2 49.2 49.2 49.2 49.2
- - -
60.4 60.4 60.4 1 984 977 961 944 925 903
38.5 38.5 38.5 970 941 905 855 784 691
19.3 9.75 0 1 60.4 60.4 60.4 60.4 60.4 60.4
9.66 4.88 0
73.6 73.6 73.6 1 1230 1220 1200 1180 1160 1130
47.3 47.3 47.3 1210 1180 1130 1060 968 848
24 12.2 0 1 73.6 73.6 73.6 73.6 73.6 73.6
12 6.09 0
87.8 87.8 87.8 1 1510 1500 1470 1440 1410 1380
56.7 56.7 56.7 1480 1440 1380 1290 1170 1020
29.3 14.9 0 1 87.8 87.8 87.8 87.8 87.8 87.8
14.7 7.44 0
104 104 104 1 1850 1830 1800 1760 1720 1680
66.3 66.3 66.3 1810 1750 1670 1560 1400 1200
35.5 18.1 0 1 104 104 104 104 104 104
17.8 9.06 0
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
4.0 ~ Pcx
pyZx = 21 Pcy
pyZy = 14.2 Mb
5.0 ~ Pcx
pyZx = 25.6 Pcy
pyZy = 17.1 Mb
6.3 Pcx
pyZx = 31.1 Pcy
pyZy = 20.6 Mb
8.0 Pcx
pyZx = 37.4 Pcy
pyZy = 24.5 Mb
10.0 ~ Pcx
pyZx = 44.3 Pcy
pyZy = 28.3 Mb
5.0 ~ Pcx
pyZx = 41 Pcy
pyZy = 27.8 Mb
6.3 ~ Pcx
pyZx = 50.3 Pcy
pyZy = 33.8 Mb
8.0 Pcx
pyZx = 61.3 Pcy
pyZy = 40.7 Mb
10.0 Pcx
pyZx = 73.2 Pcy
pyZy = 47.9 Mb
12.5 Pcx
pyZx = 86.4 Pcy
pyZy = 55.3 Mb
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
55.4 55.4 55.4 200x120 1 844 839 826 812 797 779
36.4 36.4 36.4 839 820 798 770 734 685
16.7 8.39 0 1 55.4 55.4 55.4 55.4 55.4 55.4
- - -
68.3 68.3 68.3 1 1050 1050 1030 1010 993 970
48.7 48.7 48.7 1050 1020 994 958 911 848
20.7 10.4 0 1 68.3 68.3 68.3 68.3 68.3 68.3
12.4 6.27 0
83.5 83.5 83.5 1 1320 1310 1290 1270 1240 1210
60 60 60 1310 1280 1240 1200 1140 1050
25.8 13.1 0 1 83.5 83.5 83.5 83.5 83.5 83.5
15.5 7.84 0
100 100 100 1 1620 1610 1580 1550 1520 1490
72.3 72.3 72.3 1610 1570 1520 1460 1380 1280
31.5 16 0 1 100 100 100 100 100 100
18.9 9.59 0
98 98 98 200x150 1 1450 1440 1420 1400 1370 1340
80.9 80.9 80.9 1450 1430 1400 1370 1330 1270
28.5 14.4 0 1 98 98 98 98 98 98
21.4 10.8 0
118 118 118 1 1780 1770 1750 1720 1690 1650
97.9 97.9 97.9 1780 1750 1720 1680 1620 1560
34.9 17.6 0 1 118 118 118 118 118 118
26.2 13.2 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
5.0 ~ Pcx
pyZx = 46.2 Pcy
pyZy = 34.9 Mb
6.3 ~ Pcx
pyZx = 56.9 Pcy
pyZy = 42.6 Mb
8.0 ~ Pcx
pyZx = 69.6 Pcy
pyZy = 51.7 Mb
10.0 ~ Pcx
pyZx = 83.3 Pcy
pyZy = 61.3 Mb
8.0 ~ Pcx
pyZx = 81.7 Pcy
pyZy = 69.6 Mb
10.0 ~ Pcx
pyZx = 98.2 Pcy
pyZy = 83.1 Mb
HOT-FINISHED CELSIUS
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
mm mm
125 125 125 250x100 1 1760 1710 1650 1570 1450 1290
69 69 69 1630 1400 1040 737 534 402
43.3 22 0 1 125 125 125 125 125 125
17.4 8.8 0
149 149 149 1 2160 2100 2020 1910 1760 1560
82.2 82.2 82.2 1990 1690 1240 866 626 470
52.7 26.9 0 1 149 149 149 149 149 149
21.2 10.8 0
53.6 53.6 $ 250x150 0.777 1050 1030 997 956 901 826
50.2 50.2 $ 1030 980 905 790 648 518
- - - 0.777 74 74 74 74 74 74
- - - 0.426 88.8 88.8 88.8 88.8 88.8 88.8
109 109 109 1 1320 1290 1250 1190 1120 1030
72 72 72 1290 1220 1130 980 801 638
32.8 16.5 0 1 109 109 109 109 109 109
- - -
135 135 135 1 1660 1610 1560 1500 1410 1280
96.3 96.3 96.3 1610 1530 1410 1220 990 786
41.1 20.7 0 1 135 135 135 135 135 135
24.7 12.4 0
163 163 163 1 2040 1990 1920 1840 1720 1570
117 117 117 1990 1880 1730 1480 1200 946
50.4 25.5 0 1 163 163 163 163 163 163
30.3 15.3 0
195 195 195 1 2510 2440 2360 2250 2110 1910
141 141 141 2440 2310 2100 1790 1440 1130
61.6 31.2 0 1 195 195 195 195 195 195
37 18.8 0
234 234 234 1 3120 3040 2940 2800 2610 2350
170 170 170 3040 2870 2590 2180 1720 1350
76.3 38.9 0 1 234 234 234 234 234 234
45.9 23.3 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
10.0 ~ Pcx
pyZx = 104 Pcy
pyZy = 58.9 Mb
12.5 ~ Pcx
pyZx = 124 Pcy
pyZy = 68.5 Mb
§ 5.0 ~ Pcx
pyZx = 74.0 Pcy
pyZy = 56.1 Mb
Mb
6.3 Pcx
pyZx = 91.0 Pcy
pyZy = 68.8 Mb
8.0 ~ Pcx
pyZx = 112 Pcy
pyZy = 84.2 Mb
10.0 ~ Pcx
pyZx = 136 Pcy
pyZy = 101 Mb
12.5 Pcx
pyZx = 163 Pcy
pyZy = 120 Mb
16.0 ~ Pcx
pyZx = 195 Pcy
pyZy = 142 Mb
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
mm mm
139 139 139 300x100 1 1660 1630 1580 1530 1460 1370
64.5 64.5 64.5 1540 1340 1030 734 534 403
49.1 24.8 0 1 139 139 139 139 139 139
- - -
168 168 168 1 2050 2000 1950 1880 1800 1680
81.4 81.4 81.4 1890 1640 1230 875 636 479
60.1 30.5 0 1 168 168 168 168 168 168
20.1 10.2 0
150 115 $ 300x200 0.845 1680 1640 1610 1560 1510 1440
107 107 $ 1650 1600 1540 1460 1340 1180
- - - 0.845 144 144 144 144 144 144
- - - 0.46 172 172 172 172 172 172
214 214 214 1 2110 2070 2020 1970 1900 1820
155 155 155 2080 2020 1940 1830 1670 1470
62.5 31.5 0 1 214 214 214 214 214 214
- - -
260 260 260 1 2610 2560 2500 2430 2350 2240
198 198 198 2570 2490 2390 2250 2050 1800
77 38.8 0 1 260 260 260 260 260 260
51.3 25.9 0
314 314 314 1 3210 3150 3070 2990 2880 2740
241 241 241 3160 3070 2940 2760 2510 2190
94.5 47.8 0 1 314 314 314 314 314 314
63 31.8 0
382 382 382 1 4030 3950 3860 3750 3610 3430
297 297 297 3970 3840 3680 3440 3110 2690
118 59.8 0 1 382 382 382 382 382 382
78.8 39.9 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
mm mm
195 195 $ 400x200 0.777 2550 2530 2490 2450 2400 2350
163 163 $ 2520 2450 2360 2230 2060 1830
- - - 0.777 269 269 269 269 269 269
- - - 0.455 323 323 323 323 323 323
395 395 395 1 3160 3140 3090 3030 2970 2900
231 231 231 3110 3020 2910 2760 2540 2250
124 62.7 0 1 395 395 395 395 395 395
8.0 ~ Pcx
pyZx = 116 Pcy
pyZy = 59.4 Mb
10.0 ~ Pcx
pyZx = 140 Pcy
pyZy = 70.1 Mb
§ 6.3 ~ Pcx
pyZx = 144 Pcy
pyZy = 115 Mb
Mb
8.0 ~ Pcx
pyZx = 178 Pcy
pyZy = 142 Mb
10.0 ~ Pcx
pyZx = 217 Pcy
pyZy = 173 Mb
12.5 ~ Pcx
pyZx = 262 Pcy
pyZy = 207 Mb
16.0 Pcx
pyZx = 319 Pcy
pyZy = 251 Mb
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 8.0 ~ Pcx
pyZx = 269 Pcy
pyZy = 183 Mb
Mb
10.0 ~ Pcx
pyZx = 329 Pcy
pyZy = 222 Mb
- - -
479 479 479 1 3910 3880 3820 3750 3670 3580
306 306 306 3850 3740 3590 3390 3110 2740
153 77.4 0 1 479 479 479 479 479 479
76.7 38.7 0
590 590 590 1 4920 4880 4800 4720 4620 4500
378 378 378 4840 4700 4510 4250 3870 3390
192 97.3 0 1 590 590 590 590 590 590
96.2 48.7 0
207 $ $ 450x250 0.627 3000 2990 2950 2910 2870 2820
220 $ $ 2990 2920 2850 2770 2660 2510
- - - 0.627 368 368 368 368 368 368
- - - 0.314 441 441 441 441 441 441
515 479 $ 0.929 3710 3700 3660 3600 3550 3480
315 315 $ 3700 3620 3530 3420 3280 3100
- - - 0.929 451 451 451 451 451 451
- - - 0.563 541 541 541 541 541 541
660 660 660 1 4590 4580 4520 4460 4390 4310
440 440 440 4570 4470 4360 4220 4050 3810
203 103 0 1 660 660 660 660 660 660
- - -
817 817 817 1 5800 5790 5710 5630 5530 5430
558 558 558 5770 5650 5500 5320 5080 4770
256 129 0 1 817 817 817 817 817 817
142 71.8 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
mm mm
217 $ $ 500x300 0.508 3440 3440 3410 3370 3320 3280
281 $ $ 3440 3390 3330 3250 3170 3060
- - - 0.508 481 481 481 481 481 481
- - -
428 428 $ 0.777 4260 4260 4220 4170 4120 4060
401 401 $ 4260 4200 4120 4030 3930 3800
- - - 0.777 591 591 591 591 591 591
- - - 0.426 710 710 710 710 710 710
869 869 869 1 5280 5280 5230 5170 5100 5020
569 569 569 5280 5200 5100 4990 4860 4690
260 131 0 1 869 869 869 869 869 869
12.5 ~ Pcx
pyZx = 400 Pcy
pyZy = 268 Mb
16.0 ~ Pcx
pyZx = 491 Pcy
pyZy = 325 Mb
§ 8.0 ~ Pcx
pyZx = 368 Pcy
pyZy = 267 Mb
Mb
§ 10.0 ~ Pcx
pyZx = 451 Pcy
pyZy = 326 Mb
Mb
12.5 ~ Pcx
pyZx = 550 Pcy
pyZy = 395 Mb
16.0 Pcx
pyZx = 681 Pcy
pyZy = 485 Mb
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 8.0 ~ Pcx
pyZx = 481 Pcy
pyZy = 366 Mb
§ 10.0 ~ Pcx
pyZx = 591 Pcy
pyZy = 448 Mb
Mb
12.5 ~ Pcx
pyZx = 724 Pcy
pyZy = 546 Mb
- - -
1080 1080 1080 1 6680 6680 6620 6530 6450 6350
771 771 771 6680 6580 6450 6310 6130 5910
328 166 0 1 1080 1080 1080 1080 1080 1080
197 99.4 0
1260 1260 1260 1 7950 7950 7870 7780 7670 7560
903 903 903 7950 7830 7670 7500 7290 7020
389 197 0 1 1260 1260 1260 1260 1260 1260
234 118 0
16.0 ~ Pcx
pyZx = 900 Pcy
pyZy = 674 Mb
20.0 ~ Pcx
pyZx = 1050 Pcy
pyZy = 779 Mb
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
4 5 6 7 8 9 10
16.9 10.9 7.67 5.67 4.36 3.46 2.81
7.5 4.84 3.38 2.5 1.92 1.52 1.23
1.87 1.87 1.8 1.74 1.68 1.62 1.56
30.5 19.9 14 10.4 8 6.35 5.16
16.5 10.7 7.48 5.53 4.25 3.37 2.74
2.91 2.91 2.91 2.91 2.91 2.8 2.74
38.2 25 17.6 13 10 7.95 6.46
20.4 13.2 9.23 6.82 5.24 4.16 3.37
3.6 3.6 3.6 3.6 3.6 3.52 3.45
44.4 29 20.4 15.1 11.6 9.21 7.49
23.5 15.2 10.6 7.86 6.04 4.79 3.89
4.19 4.19 4.19 4.19 4.19 4.16 4.07
63.9 42.4 30 22.3 17.2 13.7 11.1
22.6 14.7 10.3 7.6 5.84 4.63 3.76
4.72 4.72 4.43 4.26 4.11 3.96 3.83
76.4 50.6 35.8 26.6 20.5 16.3 13.3
26.5 17.2 12 8.88 6.83 5.41 4.39
5.64 5.64 5.32 5.12 4.93 4.75 4.57
90 59.6 42.1 31.3 24.1 19.2 15.6
30.7 19.9 13.9 10.3 7.9 6.26 5.09
6.63 6.63 6.31 6.07 5.83 5.61 5.4
105 69.4 49.1 36.4 28.1 22.3 18.2
34.8 22.5 15.8 11.6 8.95 7.09 5.76
7.69 7.69 7.42 7.11 6.83 6.56 6.3
121 79.5 56.1 41.6 32.1 25.5 20.8
38.7 25.1 17.5 12.9 9.94 7.88 6.4
8.74 8.74 8.55 8.18 7.83 7.5 7.19
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
4 5 6 7 8 9 10
106 71.2 50.7 37.8 29.2 23.3 19
45.3 29.6 20.8 15.4 11.8 9.39 7.63
7.19 7.19 7.19 7.19 7.19 6.74 6.58
138 92.5 65.7 49 37.9 30.2 24.6
57.9 37.7 26.5 19.6 15.1 12 9.72
9.34 9.34 9.34 9.34 9.07 8.84 8.62
164 110 77.8 58 44.8 35.7 29
67 43.6 30.6 22.6 17.4 13.8 11.2
11 11 11 11 10.8 10.5 10.2
114 77.8 55.8 41.7 32.3 25.8 21
43 28.1 19.7 14.6 11.2 8.93 7.25
7.23 7.23 7.23 7.23 6.65 6.46 6.28
120 82.3 59 44.1 34.2 27.2 22.2
45.4 29.6 20.8 15.4 11.8 9.4 7.64
7.66 7.66 7.66 7.66 7.04 6.84 6.64
175 119 85 63.5 49.2 39.2 32
63.6 41.5 29.1 21.5 16.6 13.2 10.7
11 11 11 10.6 10.2 9.92 9.63
209 142 101 75.6 58.5 46.6 38
73.8 48.1 33.7 25 19.2 15.2 12.4
13 13 13 12.6 12.2 11.8 11.5
246 166 118 88.3 68.3 54.4 44.3
84.5 55 38.6 28.5 21.9 17.4 14.1
15.2 15.2 15.2 14.9 14.4 13.9 13.5
279 187 133 99.5 76.9 61.2 49.9
92.3 60 42 31.1 23.9 19 15.4
17.1 17.1 17.1 17 16.4 15.8 15.3
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
4 5 6 7 8 9 10
150 103 73.8 55.2 42.8 34.1 27.8
74.1 48.7 34.3 25.5 19.6 15.6 12.7
9.54 9.54 9.54 9.54 9.54 9.54 9.54
196 134 96 71.8 55.6 44.3 36.2
95.5 62.6 44.1 32.7 25.2 20 16.3
12.5 12.5 12.5 12.5 12.5 12.5 12.5
235 160 114 85.6 66.3 52.8 43.1
113 74 52.1 38.6 29.8 23.6 19.2
14.9 14.9 14.9 14.9 14.9 14.9 14.9
280 190 136 101 78.5 62.6 51
131 85.7 60.3 44.7 34.4 27.3 22.2
17.4 17.4 17.4 17.4 17.4 17.4 17.4
213 154 112 84.8 66 52.8 43.1
86.9 57.1 40.3 29.9 23 18.3 14.9
12.5 12.5 12.5 12.5 12.5 11.7 11.4
283 203 148 112 86.9 69.4 56.7
113 74 52.2 38.7 29.8 23.7 19.3
16.5 16.5 16.5 16.5 16.5 15.5 15.1
344 245 178 134 104 83.4 68.1
133 87.5 61.6 45.7 35.2 28 22.7
19.7 19.7 19.7 19.7 19.7 18.7 18.2
414 293 213 160 124 99.3 81.1
156 102 71.9 53.3 41.1 32.6 26.5
23.4 23.4 23.4 23.4 23 22.3 21.7
AXIAL LOAD & BENDING
<>
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
4 5 6 7 8 9 10
335 244 179 136 106 84.6 69.1
208 140 99.5 74.2 57.4 45.7 37.2
20.1 20.1 20.1 20.1 20.1 20.1 20.1
409 296 217 164 128 102 83.5
250 168 119 88.8 68.6 54.6 44.5
24.2 24.2 24.2 24.2 24.2 24.2 24.2
495 356 260 196 153 122 99.6
298 199 142 106 81.6 64.9 52.8
28.9 28.9 28.9 28.9 28.9 28.9 28.9
583 416 303 228 178 142 116
343 229 162 121 93.3 74.2 60.4
33.5 33.5 33.5 33.5 33.5 33.5 33.5
522 430 335 261 206 166 136
382 270 196 147 115 91.5 74.7
32.5 32.5 32.5 32.5 32.5 32.5 32.5
646 528 410 319 252 203 166
466 328 237 178 139 111 90.4
39.6 39.6 39.6 39.6 39.6 39.6 39.6
798 647 501 387 306 246 202
567 397 287 215 167 134 109
47.9 47.9 47.9 47.9 47.9 47.9 47.9
961 772 593 458 360 290 238
669 465 335 252 195 156 127
56.4 56.4 56.4 56.4 56.4 56.4 56.4
1150 912 695 535 421 338 277
779 538 387 290 225 179 146
65.3 65.3 65.3 65.3 65.3 65.3 65.3
AXIAL LOAD & BENDING
<>
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
4 5 6 7 8 9 10
413 346 274 214 170 137 113
220 149 106 79.2 61.3 48.8 39.8
25.2 25.2 25.2 25.2 25.2 25.2 25.2
508 423 333 260 206 167 137
266 180 128 95.5 73.9 58.8 47.9
30.7 30.7 30.7 30.7 30.7 30.7 30.7
627 520 408 318 252 203 167
322 217 154 115 89.1 71 57.8
37.3 37.3 37.3 37.3 37.3 37.3 37.3
775 637 497 386 305 246 202
385 259 184 137 106 84.4 68.7
44.9 44.9 44.9 44.9 44.9 44.9 44.9
934 760 589 456 360 290 238
450 301 214 159 123 97.9 79.7
53.1 53.1 53.1 53.1 53.1 53.1 53.1
703 645 563 471 387 318 265
481 344 250 188 147 117 95.7
49.2 49.2 49.2 49.2 49.2 49.2 49.2
875 801 696 580 476 392 325
591 420 305 230 179 143 117
60.4 60.4 60.4 60.4 60.4 60.4 60.4
1090 995 861 714 584 479 398
720 509 369 277 216 172 141
73.6 73.6 73.6 73.6 73.6 73.6 73.6
1330 1210 1040 857 699 573 475
858 602 436 328 254 203 166
87.8 87.8 87.8 87.8 87.8 87.8 87.8
1620 1460 1250 1020 830 680 563
1010 702 506 380 295 235 192
104 104 104 104 104 104 104
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
4 5 6 7 8 9 10
757 699 617 521 431 356 297
622 481 362 277 217 174 143
55.4 55.4 55.4 55.4 55.4 55.4 55.4
943 869 764 643 531 438 365
768 589 442 338 265 212 174
68.3 68.3 68.3 68.3 68.3 68.3 68.3
1180 1080 948 794 654 539 448
950 723 541 412 323 259 212
83.5 83.5 83.5 83.5 83.5 83.5 83.5
1440 1320 1150 959 787 647 538
1140 863 643 489 383 307 251
100 100 100 100 100 100 100
1310 1210 1070 911 756 626 522
1210 1030 829 654 521 422 347
98 98 98 98 98 98 98
1600 1480 1310 1100 913 754 629
1480 1250 1000 787 625 506 416
118 118 118 118 118 118 118
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
for
8 9 10 11 12 13 14
1120 947 802 682 585 506 441
312 249 204 169 143 122 106
125 125 125 125 114 112 109
1340 1130 959 815 698 604 526
365 292 238 198 167 143 124
149 149 149 139 136 133 130
735 638 548 471 406 353 309
415 337 278 233 197 170 147
74 74 74 74 74 74 74
88.8 88.8 88.8 88.8 88.8 88.8 88.8
913 791 679 583 502 436 381
510 414 341 286 242 208 181
109 109 109 109 109 109 109
1140 982 842 721 622 539 472
628 509 420 351 298 256 222
135 135 135 135 135 135 135
1380 1190 1020 874 753 653 571
754 611 503 421 357 307 266
163 163 163 163 163 163 163
1680 1440 1230 1050 904 784 685
901 729 600 502 425 365 317
195 195 195 195 195 195 195
2050 1750 1490 1270 1090 945 825
1070 866 712 595 504 433 375
234 234 234 234 234 234 234
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
8 9 10 11 12 13 14
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
1260 1120 984 856 745 651 572
313 251 205 170 144 123 106
139 139 123 120 116 113 110
1540 1370 1200 1040 903 788 692
372 297 243 202 171 146 126
168 168 149 144 140 136 132
1350 1250 1120 997 880 776 685
1010 850 717 609 521 450 393
144 144 144 144 144 144 144
172 172 172 172 172 172 172
1710 1570 1410 1250 1110 976 863
1260 1060 890 755 646 558 487
214 214 214 214 214 214 214
2100 1920 1730 1530 1350 1190 1050
1530 1280 1080 915 783 676 589
260 260 260 260 260 260 260
2560 2330 2090 1840 1620 1420 1260
1850 1550 1300 1100 941 813 708
314 314 314 314 314 314 314
3190 2900 2590 2280 2010 1760 1550
2260 1890 1580 1340 1140 986 858
382 382 382 382 382 382 382
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
8 9 10 11 12 13 14
2280 2190 2090 1970 1830 1680 1530
1580 1340 1130 962 824 713 622
269 269 269 269 269 269 269
323 323 323 323 323 323 323
2810 2710 2580 2430 2250 2070 1880
1930 1630 1380 1170 1000 867 756
395 395 395 395 395 395 395
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
3470 3340 3180 2980 2760 2530 2300
2350 1980 1670 1420 1210 1050 913
479 479 479 479 479 479 479
4360 4180 3970 3720 3430 3140 2850
2880 2420 2040 1730 1480 1280 1110
590 590 590 590 590 590 590
2760 2690 2600 2510 2390 2260 2110
2320 2100 1860 1630 1420 1250 1100
368 368 368 368 368 368 368
441 441 441 441 441 441 441
3410 3320 3220 3100 2950 2780 2600
2860 2570 2270 1990 1730 1520 1340
451 451 451 451 451 451 451
541 541 541 541 541 541 541
4210 4100 3970 3820 3630 3420 3190
3510 3150 2770 2420 2110 1850 1620
660 660 660 660 660 660 660
5310 5170 5000 4790 4550 4280 3980
4360 3890 3410 2970 2590 2260 1980
817 817 817 817 817 817 817
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
for
8 9 10 11 12 13 14
3220 3160 3090 3010 2920 2800 2680
2930 2760 2560 2330 2100 1880 1680
481 481 481 481 481 481 481
3990 3920 3830 3730 3610 3470 3310
3630 3420 3170 2890 2610 2330 2080
591 591 591 591 591 591 591
710 710 710 710 710 710 710
4940 4850 4740 4610 4460 4280 4080
4480 4220 3900 3550 3200 2860 2550
869 869 869 869 869 869 869
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
6240 6120 5980 5810 5610 5390 5120
5630 5290 4870 4420 3960 3530 3140
1080 1080 1080 1080 1080 1080 1080
7430 7290 7120 6930 6700 6440 6140
6690 6280 5790 5250 4710 4200 3740
1260 1260 1260 1260 1260 1260 1260
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
50x30 3.61 163 2.42 2.42 2.42 2.42 2.42 2.42 2.42 2.42
n/a n/a 1.76 1.76 1.76 1.76 1.76 1.76 1.76 1.76
1 1 2.42 2.42 2.42 2.31 2.1 1.84 1.52 1.16
1.76 1.75 1.66 1.51 1.33 1.12 0.916 0.699
60x40 4.35 197 3.76 3.76 3.76 3.76 3.76 3.76 3.76 3.76
n/a n/a 2.91 2.91 2.91 2.91 2.91 2.91 2.91 2.91
1 1 3.76 3.76 3.69 3.46 3.14 2.73 2.24 1.7
2.91 2.86 2.73 2.5 2.19 1.85 1.5 1.14
5.64 255 4.64 4.64 4.64 4.64 4.64 4.64 4.64 4.64
n/a n/a 3.63 3.63 3.63 3.63 3.63 3.63 3.63 3.63
1 1 4.64 4.64 4.64 4.38 3.98 3.47 2.86 2.18
3.63 3.6 3.43 3.14 2.77 2.35 1.91 1.46
6.85 310 5.41 5.41 5.41 5.41 5.41 5.41 5.41 5.41
n/a n/a 4.16 4.16 4.16 4.16 4.16 4.16 4.16 4.16
1 1 5.41 5.41 5.41 5.21 4.74 4.13 3.41 2.62
4.16 4.16 4.06 3.72 3.28 2.79 2.28 1.75
80x40 5.62 254 6.09 6.09 6.09 6.09 6.09 6.09 6.09 6.09
n/a n/a 3.91 3.91 3.91 3.91 3.91 3.91 3.91 3.91
1 1 6.09 6.09 6.09 5.75 5.25 4.61 3.83 2.94
3.91 3.83 3.62 3.27 2.84 2.39 1.94 1.47
6.9 312 7.28 7.28 7.28 7.28 7.28 7.28 7.28 7.28
n/a n/a 4.69 4.69 4.69 4.69 4.69 4.69 4.69 4.69
1 1 7.28 7.28 7.28 6.97 6.37 5.6 4.65 3.57
4.69 4.6 4.34 3.93 3.42 2.89 2.35 1.79
8.42 380 8.56 8.56 8.56 8.56 8.56 8.56 8.56 8.56
n/a n/a 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5
1 1 8.56 8.56 8.56 8.35 7.64 6.73 5.61 4.3
5.5 5.47 5.17 4.65 4.07 3.46 2.82 2.16
10.3 465 9.93 9.93 9.93 9.93 9.93 9.93 9.93 9.93
n/a n/a 6.22 6.22 6.22 6.22 6.22 6.22 6.22 6.22
1 1 9.93 9.93 9.93 9.93 9.11 8.02 6.69 5.17
6.22 6.22 6.05 5.5 4.84 4.13 3.39 2.6
12.5 568 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3
n/a n/a 6.86 6.86 6.86 6.86 6.86 6.86 6.86 6.86
1 1 11.3 11.3 11.3 11.3 10.7 9.41 7.85 6.18
6.86 6.86 6.86 6.41 5.68 4.89 4.04 3.12
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.2 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
3.2 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
90x50 7.4 334 9.29 9.29 9.29 9.29 9.29 9.29 9.29 9.29
n/a n/a 6.39 6.39 6.39 6.39 6.39 6.39 6.39 6.39
1 1 9.29 9.29 9.22 8.67 7.91 6.92 5.72 4.36
6.39 6.28 5.95 5.41 4.69 3.95 3.2 2.43
9.99 452 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1
n/a n/a 8.34 8.34 8.34 8.34 8.34 8.34 8.34 8.34
1 1 12.1 12.1 12.1 11.5 10.5 9.18 7.6 5.81
8.34 8.2 7.77 7.05 6.17 5.23 4.25 3.24
12.3 555 14.2 14.2 14.2 14.2 14.2 14.2 14.2 14.2
n/a n/a 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71
1 1 14.2 14.2 14.2 13.8 12.6 11 9.14 7.04
9.71 9.71 9.25 8.39 7.39 6.29 5.13 3.93
100x50 6.71 303 9.33 9.33 9.33 9.33 9.33 9.33 9.33 9.33
n/a 1 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.7
1 0 9.33 9.33 9.26 8.72 7.97 6.99 5.81 4.42
- - - - - - - -
7.13 322 9.88 9.88 9.88 9.88 9.88 9.88 9.88 9.88
n/a 1 6.27 6.27 6.27 6.27 6.27 6.27 6.27 6.27
1 0 9.88 9.88 9.8 9.23 8.43 7.4 6.14 4.69
- - - - - - - -
10.8 487 14.2 14.2 14.2 14.2 14.2 14.2 14.2 14.2
n/a n/a 9.16 9.16 9.16 9.16 9.16 9.16 9.16 9.16
1 1 14.2 14.2 14.2 13.6 12.4 10.9 9.1 6.98
9.16 8.99 8.49 7.67 6.68 5.65 4.59 3.5
13.3 600 16.8 16.8 16.8 16.8 16.8 16.8 16.8 16.8
n/a n/a 10.7 10.7 10.7 10.7 10.7 10.7 10.7 10.7
1 1 16.8 16.8 16.8 16.4 15 13.2 11 8.47
10.7 10.7 10.1 9.17 8.02 6.82 5.56 4.25
16.3 737 19.6 19.6 19.6 19.6 19.6 19.6 19.6 19.6
n/a n/a 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2
1 1 19.6 19.6 19.6 19.6 18 15.8 13.2 10.2
12.2 12.2 11.9 10.9 9.55 8.17 6.7 5.15
19.6 885 22.1 22.1 22.1 22.1 22.1 22.1 22.1 22.1
n/a n/a 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4
1 1 22.1 22.1 22.1 22.1 20.9 18.4 15.3 12
13.4 13.4 13.4 12.5 11.1 9.53 7.87 6.09
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.6 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
3.2 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 ^ Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
100x60 8.53 387 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3
n/a n/a 8.84 8.84 8.84 8.84 8.84 8.84 8.84 8.84
1 1 12.3 12.3 12.1 11.3 10.3 8.98 7.37 5.64
8.84 8.69 8.25 7.52 6.57 5.53 4.47 3.38
11.6 522 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1
n/a n/a 11.7 11.7 11.7 11.7 11.7 11.7 11.7 11.7
1 1 16.1 16.1 16.1 15.1 13.8 12 9.92 7.51
11.7 11.5 10.9 9.95 8.67 7.32 5.94 4.51
14.2 643 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2
n/a n/a 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9
1 1 19.2 19.2 19.2 18.3 16.6 14.6 12 9.15
13.9 13.8 13.1 11.9 10.4 8.86 7.21 5.5
17.5 795 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5
n/a n/a 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1
1 1 22.5 22.5 22.5 21.9 19.9 17.4 14.5 11.2
16.1 16.1 15.6 14.2 12.6 10.7 8.77 6.72
120x60 9.7 437 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1
n/a 1 9.82 9.82 9.82 9.82 9.82 9.82 9.82 9.82
1 0 16.1 16.1 16 15.1 13.8 12.1 10 7.65
- - - - - - - -
13.1 593 21.3 21.3 21.3 21.3 21.3 21.3 21.3 21.3
n/a n/a 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6
1 1 21.3 21.3 21.3 20.2 18.4 16.2 13.5 10.3
13.6 13.4 12.6 11.4 9.9 8.35 6.77 5.14
16.2 735 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4
n/a n/a 16.4 16.4 16.4 16.4 16.4 16.4 16.4 16.4
1 1 25.4 25.4 25.4 24.5 22.4 19.7 16.4 12.6
16.4 16.1 15.2 13.8 12 10.2 8.28 6.31
20.1 909 30.2 30.2 30.2 30.2 30.2 30.2 30.2 30.2
n/a n/a 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2
1 1 30.2 30.2 30.2 29.6 27.1 23.8 19.8 15.4
19.2 19.2 18.2 16.5 14.5 12.3 10.1 7.71
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.6 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
3.6 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
120x80 14.7 664 25.9 25.9 25.9 25.9 25.9 25.9 25.9 25.9
n/a n/a 19.9 19.9 19.9 19.9 19.9 19.9 19.9 19.9
1 1 25.9 25.9 25.2 23.7 21.5 18.7 15.3 11.6
19.9 19.6 18.7 17.1 15 12.6 10.2 7.72
18.2 824 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2
n/a n/a 24.2 24.2 24.2 24.2 24.2 24.2 24.2 24.2
1 1 31.2 31.2 30.8 28.9 26.2 22.8 18.7 14.2
24.2 23.8 22.7 20.8 18.3 15.4 12.5 9.51
22.6 1020 37.3 37.3 37.3 37.3 37.3 37.3 37.3 37.3
n/a n/a 29 29 29 29 29 29 29 29
1 1 37.3 37.3 37.3 35.3 32 27.9 22.9 17.5
29 28.9 27.5 25.2 22.2 18.8 15.3 11.7
27.4 1240 43.3 43.3 43.3 43.3 43.3 43.3 43.3 43.3
n/a n/a 33.3 33.3 33.3 33.3 33.3 33.3 33.3 33.3
1 1 43.3 43.3 43.3 41.6 37.9 33 27.3 20.9
33.3 33.3 32.4 29.7 26.2 22.3 18.3 14
150x100 18.6 841 42 42 42 42 42 42 42 42
n/a n/a 32 32 32 32 32 32 32 32
1 1 42 41.7 40.3 37.8 34.3 29.8 24.4 18.5
32 31.5 30 27.5 24 20.2 16.3 12.3
23.1 1050 51.1 51.1 51.1 51.1 51.1 51.1 51.1 51.1
n/a n/a 39.1 39.1 39.1 39.1 39.1 39.1 39.1 39.1
1 1 51.1 51.1 49.7 46.7 42.4 36.9 30.1 22.8
39.1 38.4 36.6 33.5 29.5 24.8 20.1 15.2
28.9 1310 61.8 61.8 61.8 61.8 61.8 61.8 61.8 61.8
n/a n/a 47.9 47.9 47.9 47.9 47.9 47.9 47.9 47.9
1 1 61.8 61.8 60.9 57.1 51.9 45.1 37.1 28.2
47.9 47.2 44.9 41.2 36.1 30.5 24.8 18.8
35.3 1590 72.8 72.8 72.8 72.8 72.8 72.8 72.8 72.8
n/a n/a 56.7 56.7 56.7 56.7 56.7 56.7 56.7 56.7
1 1 72.8 72.8 72.8 68.6 62.4 54.3 44.6 34.1
56.7 56.3 53.6 49.1 43.2 36.7 29.8 22.8
42.8 1940 84.3 84.3 84.3 84.3 84.3 84.3 84.3 84.3
n/a n/a 65.2 65.2 65.2 65.2 65.2 65.2 65.2 65.2
1 1 84.3 84.3 84.3 81.4 73.9 64.4 53.3 40.9
65.2 65.2 63.2 57.9 51.2 43.6 35.7 27.3
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
160x80 14.4 653 32.6 32.6 32.6 32.6 32.6 32.6 32.6 32.1
0.927*
17.7 17.7 17.7 17.7 17.7 17.7 17.7 17.7
0.581 32.6 32.6 32.1 30.2 27.6 24.2 - -
- - - - - - - -
17.8 806 39.6 39.6 39.6 39.6 39.6 39.6 39.6 39.6
n/a 1 24.8 24.8 24.8 24.8 24.8 24.8 24.8 24.8
1 0 39.6 39.6 39.4 37.1 33.9 29.7 24.7 18.8
- - - - - - - -
22.2 1000 48.1 48.1 48.1 48.1 48.1 48.1 48.1 48.1
n/a n/a 30.8 30.8 30.8 30.8 30.8 30.8 30.8 30.8
1 1 48.1 48.1 48.1 45.4 41.4 36.4 30.2 23.2
30.8 30.3 28.6 25.8 22.4 18.9 15.3 11.6
27.6 1250 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9
n/a n/a 37.6 37.6 37.6 37.6 37.6 37.6 37.6 37.6
1 1 57.9 57.9 57.9 55.9 51.1 44.9 37.4 28.6
37.6 36.9 34.9 31.4 27.4 23.2 18.8 14.3
33.7 1520 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6
n/a n/a 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9
1 1 68.6 68.6 68.6 66.8 61.1 53.8 44.8 34.5
43.9 43.6 41.1 37.3 32.6 27.7 22.6 17.3
200x100 22.6 1020 63.5 63.5 63.5 63.5 63.5 63.5 63.5 62.6
0.927*
34.6 34.6 34.6 34.6 34.6 34.6 34.6 34.6
0.582 63.5 63.5 62.8 59.1 54 47.4 - -
- - - - - - - -
28.1 1270 78 78 78 78 78 78 78 78
n/a 1 49.1 49.1 49.1 49.1 49.1 49.1 49.1 49.1
1 0 78 78 77.3 72.8 66.5 58.4 48.4 37
- - - - - - - -
35.1 1590 95 95 95 95 95 95 95 95
n/a n/a 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1
1 1 95 95 95 90.1 82.3 72.3 60 46
61.1 59.9 56.6 51.1 44.4 37.4 30.3 23
43.1 1950 113 113 113 113 113 113 113 113
n/a n/a 73.1 73.1 73.1 73.1 73.1 73.1 73.1 73.1
1 1 113 113 113 109 99.7 87.6 72.9 55.8
73.1 71.8 67.8 61.3 53.4 45.2 36.7 28
52.7 2380 134 134 134 134 134 134 134 134
n/a n/a 85.6 85.6 85.6 85.6 85.6 85.6 85.6 85.6
1 1 134 134 134 130 119 105 87.3 67.4
85.6 85.4 80.6 72.9 63.8 54.2 44.2 33.8
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
200x120 24.1 1090 71.6 71.6 71.6 71.6 71.6 71.6 70.5 69.6
0.927*
43.6 43.6 43.6 43.6 43.6 43.6 43.6 43.6
0.544 71.6 71.6 69.4 65.2 59.4 51.9 - -
- - - - - - - -
30.1 1360 88.2 88.2 88.2 88.2 88.2 88.2 88.2 88.2
n/a 1 62 62 62 62 62 62 62 62
1 0 88.2 88.2 85.7 80.5 73.3 64 52.6 39.8
- - - - - - - -
37.6 1700 108 108 108 108 108 108 108 108
n/a n/a 77.4 77.4 77.4 77.4 77.4 77.4 77.4 77.4
1 1 108 108 106 99.6 90.7 79.2 65.1 49.5
77.4 76.1 72.3 65.9 57.5 48.5 39.2 29.7
46.3 2090 129 129 129 129 129 129 129 129
n/a n/a 93.4 93.4 93.4 93.4 93.4 93.4 93.4 93.4
1 1 129 129 128 121 110 96.1 79.1 60.2
93.4 91.8 87.2 79.5 69.4 58.7 47.6 36.2
200x150 41.4 1870 127 127 127 127 127 127 127 127
n/a n/a 104 104 104 104 104 104 104 104
1 1 127 126 121 114 103 88.8 72.2 54.7
104 103 98.2 90.5 79.6 67.1 54.2 41
51 2300 152 152 152 152 152 152 152 152
n/a n/a 126 126 126 126 126 126 126 126
1 1 152 152 147 138 125 108 87.9 66.7
126 125 119 110 96.5 81.5 66 50.1
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
250x100 51 2300 161 161 161 161 161 161 161 161
n/a n/a 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1
1 1 161 161 161 157 144 128 107 82.7
89.1 87.2 81.6 73 63.5 53.7 43.6 33.2
62.5 2830 192 192 192 192 192 192 192 192
n/a n/a 106 106 106 106 106 106 106 106
1 1 192 192 192 190 174 154 129 99.9
106 104 97.1 87.3 76.3 64.7 52.7 40.3
250x150 30.4 1370 115 115 115 115 108 102 96.7 53.6
0.624*
59.6 59.6 59.6 59.6 59.6 59.6 59.6 59.6
0.302 115 114 110 103 - - - -
- - - - - - - -
38 1720 141 141 141 141 141 141 139 138
0.94*
86.2 86.2 86.2 86.2 86.2 86.2 86.2 86.2
0.553 141 141 136 128 116 101 - -
- - - - - - - -
47.7 2160 174 174 174 174 174 174 174 174
n/a 1 124 124 124 124 124 124 124 124
1 0 174 174 170 159 145 127 104 78.9
- - - - - - - -
58.8 2660 210 210 210 210 210 210 210 210
n/a n/a 151 151 151 151 151 151 151 151
1 1 210 210 207 195 177 155 127 96.5
151 149 141 129 112 94.5 76.4 58
72.3 3270 252 252 252 252 252 252 252 252
n/a n/a 182 182 182 182 182 182 182 182
1 1 252 252 251 236 215 187 154 118
182 179 170 155 136 115 93 70.7
90.3 4080 302 302 302 302 302 302 302 302
n/a n/a 220 220 220 220 220 220 220 220
1 1 302 302 302 289 263 230 190 145
220 218 207 189 166 141 114 87.3
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
16.0 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
mm mm kg kN x-x y-y
300x100 47.7 2160 179 179 179 179 179 179 179 179
n/a 1 77.5 77.5 77.5 77.5 77.5 77.5 77.5 77.5
1 0 179 179 179 175 161 143 120 93.4
- - - - - - - -
58.8 2660 216 216 216 216 216 216 216 216
n/a n/a 105 105 105 105 105 105 105 105
1 1 216 216 216 214 197 174 147 114
105 103 95.1 84.7 73.6 62.2 50.4 38.3
300x200 47.9 2170 218 218 218 218 213 202 193 115
0.684*
128 128 128 128 128 128 128 128
0 - - - - - - - -
- - - - - - - -
60.3 2730 276 276 276 276 276 276 276 276
n/a 1 186 186 186 186 186 186 186 186
1 0 276 273 263 247 224 195 159 120
- - - - - - - -
74.5 3370 336 336 336 336 336 336 336 336
n/a n/a 256 256 256 256 256 256 256 256
1 1 336 335 323 303 275 239 195 148
256 252 240 220 192 162 130 98.6
91.9 4150 406 406 406 406 406 406 406 406
n/a n/a 311 311 311 311 311 311 311 311
1 1 406 406 394 370 336 292 239 181
311 306 292 268 234 197 159 121
115 5220 494 494 494 494 494 494 494 494
n/a n/a 383 383 383 383 383 383 383 383
1 1 494 494 488 458 416 362 296 225
383 377 359 329 289 244 198 150
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
400x200 72.8 3290 417 417 417 417 404 377 353 195
0.624*
193 193 193 193 193 193 193 193
0.323 417 417 408 384 - - - -
- - - - - - - -
90.2 4080 509 509 509 509 509 509 509 501
0.927*
277 277 277 277 277 277 277 277
0.582 509 509 502 473 432 379 - -
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
6.3 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
16.0 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
- - - - - - - -
112 5040 619 619 619 619 619 619 619 619
n/a 1 387 387 387 387 387 387 387 387
1 0 619 619 615 579 529 464 386 294
- - - - - - - -
141 6350 761 761 761 761 761 761 761 761
n/a n/a 488 488 488 488 488 488 488 488
1 1 761 761 761 721 659 579 481 367
488 479 452 408 355 299 242 184
450x250 85.4 3870 570 570 570 537 503 207 207 207
0.492*
261 261 261 261 261 261 261 261
0 - - - - - - - -
- - - - - - - -
106 4790 699 699 699 699 699 675 636 607
0.757*
373 373 373 373 373 373 373 373
0.421 699 699 678 637 581 - - -
- - - - - - - -
131 5930 852 852 852 852 852 852 852 852
n/a 1 529 529 529 529 529 529 529 529
1 0 852 852 833 783 714 625 516 391
- - - - - - - -
166 7490 1050 1050 1050 1050 1050 1050 1050 1050
n/a n/a 720 720 720 720 720 720 720 720
1 1 1050 1050 1040 979 892 781 645 490
720 708 671 609 529 445 360 273
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
500x300 98 4440 627 627 627 627 217 217 217 217
0.388*
336 336 336 336 336 336 336 336
0 - - - - - - - -
- - - - - - - -
122 5500 916 916 916 916 866 816 773 428
0.624*
477 477 477 477 477 477 477 477
0.302 916 911 879 825 - - - -
- - - - - - - -
151 6820 1120 1120 1120 1120 1120 1120 1100 1090
0.927*
681 681 681 681 681 681 681 681
0.544 1120 1120 1080 1020 925 807 - -
Mry
12.5 Mcx
Mcy
Mrx
Mry
16.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
16.0 Mcx
Mcy
Mrx
Mry
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
- - - - - - - -
191 8630 1390 1390 1390 1390 1390 1390 1390 1390
n/a 1 994 994 994 994 994 994 994 994
1 0 1390 1390 1360 1270 1160 1010 832 630
- - - - - - - -
235 10400 1640 1640 1640 1640 1640 1640 1640 1640
n/a n/a 1180 1180 1180 1180 1180 1180 1180 1180
1 1 1640 1640 1610 1510 1370 1200 987 751
1180 1160 1100 1000 873 736 595 451
Mry
16.0 Mcx
Mcy
Mrx
Mry
20.0 Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
2.42 2.42 2.42 50x30 1 140 99.8 63.1 42.1 29.8 22.2
1.76 1.76 1.76 98.3 50 29.2 19 13.3 9.85
0.788 0.401 0 1 2.42 2.42 2.42 2.42 2.42 2.42
0.474 0.241 0
3.76 3.76 3.76 60x40 1 180 151 108 74.8 53.7 40.2
2.91 2.91 2.91 160 103 62.7 41.4 29.2 21.7
1.15 0.583 0 1 3.76 3.76 3.76 3.76 3.76 3.76
0.768 0.389 0
4.64 4.64 4.64 1 233 194 137 94 67.4 50.4
3.63 3.63 3.63 205 128 77.6 51.1 36.1 26.8
1.48 0.753 0 1 4.64 4.64 4.64 4.64 4.64 4.64
0.988 0.502 0
5.41 5.41 5.41 1 281 230 160 109 78.3 58.5
4.16 4.16 4.16 244 149 89.8 59.1 41.6 30.9
1.78 0.91 0 1 5.41 5.41 5.41 5.41 5.41 5.41
1.19 0.608 0
6.09 6.09 6.09 80x40 1 242 224 192 148 111 84.5
3.91 3.91 3.91 211 139 85.7 56.7 40.1 29.8
1.98 1 0 1 6.09 6.09 6.09 6.09 6.09 6.09
0.993 0.502 0
7.28 7.28 7.28 1 296 274 232 178 133 101
4.69 4.69 4.69 255 165 101 66.4 46.9 34.8
2.42 1.23 0 1 7.28 7.28 7.28 7.28 7.28 7.28
1.21 0.615 0
8.56 8.56 8.56 1 360 331 278 211 157 119
5.5 5.5 5.5 306 192 117 77 54.3 40.3
2.92 1.49 0 1 8.56 8.56 8.56 8.56 8.56 8.56
1.47 0.746 0
9.93 9.93 9.93 1 439 402 332 248 183 139
6.22 6.22 6.22 365 221 133 87.5 61.7 45.7
3.54 1.82 0 1 9.93 9.93 9.93 9.93 9.93 9.93
1.78 0.909 0
11.3 11.3 11.3 1 534 484 391 287 211 159
6.86 6.86 6.86 429 249 149 97.5 68.6 50.9
4.26 2.2 0 1 11.3 11.3 11.3 11.3 11.3 11.3
2.15 1.1 0
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.2 Pcx
pyZx = 2.02 Pcy
pyZy = 1.47 Mb
3.0 Pcx
pyZx = 3.13 Pcy
pyZy = 2.47 Mb
4.0 Pcx
pyZx = 3.87 Pcy
pyZy = 3.02 Mb
5.0 Pcx
pyZx = 4.51 Pcy
pyZy = 3.47 Mb
3.2 Pcx
pyZx = 5.08 Pcy
pyZy = 3.36 Mb
4.0 Pcx
pyZx = 6.07 Pcy
pyZy = 3.94 Mb
5.0 Pcx
pyZx = 7.14 Pcy
pyZy = 4.58 Mb
6.3 Pcx
pyZx = 8.27 Pcy
pyZy = 5.18 Mb
8.0 Pcx
pyZx = 9.41 Pcy
pyZy = 5.72 Mb
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
9.29 9.29 9.29 90x50 1 322 305 276 230 181 140
6.39 6.39 6.39 301 242 165 112 80 59.7
2.94 1.49 0 1 9.29 9.29 9.29 9.29 9.29 9.29
1.64 0.827 0
12.1 12.1 12.1 1 435 410 369 304 236 183
8.34 8.34 8.34 404 317 212 143 102 76.2
3.94 2 0 1 12.1 12.1 12.1 12.1 12.1 12.1
2.19 1.11 0
14.2 14.2 14.2 1 533 502 447 364 281 217
9.71 9.71 9.71 491 376 247 166 118 88.2
4.8 2.45 0 1 14.2 14.2 14.2 14.2 14.2 14.2
2.67 1.36 0
9.33 9.33 9.33 100x50 1 294 282 262 231 190 151
5.7 5.7 5.7 275 224 155 106 75.9 56.7
2.98 1.5 0 1 9.33 9.33 9.33 9.33 9.33 9.33
- - -
9.88 9.88 9.88 1 313 300 279 245 201 160
6.27 6.27 6.27 292 237 164 112 80 59.8
3.16 1.6 0 1 9.88 9.88 9.88 9.88 9.88 9.88
- - -
14.2 14.2 14.2 1 472 451 417 362 293 232
9.16 9.16 9.16 437 345 232 157 112 83.8
4.73 2.4 0 1 14.2 14.2 14.2 14.2 14.2 14.2
2.37 1.2 0
16.8 16.8 16.8 1 580 553 509 438 352 277
10.7 10.7 10.7 532 411 272 183 130 97.2
5.76 2.94 0 1 16.8 16.8 16.8 16.8 16.8 16.8
2.89 1.47 0
19.6 19.6 19.6 1 712 676 618 524 416 326
12.2 12.2 12.2 647 484 313 210 149 111
7 3.59 0 1 19.6 19.6 19.6 19.6 19.6 19.6
3.52 1.8 0
22.1 22.1 22.1 1 853 807 730 608 476 370
13.4 13.4 13.4 763 545 346 230 163 122
8.3 4.29 0 1 22.1 22.1 22.1 22.1 22.1 22.1
4.18 2.15 0
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.6 Pcx
pyZx = 7.74 Pcy
pyZy = 5.5 Mb
5.0 Pcx
pyZx = 10 Pcy
pyZy = 6.99 Mb
6.3 Pcx
pyZx = 11.8 Pcy
pyZy = 8.09 Mb
3.0 Pcx
pyZx = 7.77 Pcy
pyZy = 5.22 Mb
3.2 Pcx
pyZx = 8.24 Pcy
pyZy = 5.5 Mb
5.0 Pcx
pyZx = 11.8 Pcy
pyZy = 7.7 Mb
6.3 Pcx
pyZx = 14 Pcy
pyZy = 8.95 Mb
8.0 Pcx
pyZx = 16.3 Pcy
pyZy = 10.2 Mb
10.0 ^ Pcx
pyZx = 18.4 Pcy
pyZy = 11.1 Mb
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
12.3 12.3 12.3 100x60 1 376 361 337 299 248 199
8.84 8.84 8.84 361 321 249 179 130 97.9
3.79 1.92 0 1 12.3 12.3 12.3 12.3 12.3 12.3
2.28 1.15 0
16.1 16.1 16.1 1 507 485 452 397 326 260
11.7 11.7 11.7 485 427 325 231 168 126
5.08 2.57 0 1 16.1 16.1 16.1 16.1 16.1 16.1
3.05 1.55 0
19.2 19.2 19.2 1 623 596 553 482 393 312
13.9 13.9 13.9 595 519 389 274 198 149
6.21 3.16 0 1 19.2 19.2 19.2 19.2 19.2 19.2
3.73 1.9 0
22.5 22.5 22.5 1 770 735 677 584 471 371
16.1 16.1 16.1 732 627 458 320 230 173
7.61 3.89 0 1 22.5 22.5 22.5 22.5 22.5 22.5
4.58 2.34 0
16.1 16.1 16.1 120x60 1 429 416 398 372 333 283
9.82 9.82 9.82 409 366 288 208 152 115
5.14 2.6 0 1 16.1 16.1 16.1 16.1 16.1 16.1
- - -
21.3 21.3 21.3 1 582 564 539 501 445 377
13.6 13.6 13.6 553 490 380 272 198 149
6.93 3.51 0 1 21.3 21.3 21.3 21.3 21.3 21.3
3.47 1.76 0
25.4 25.4 25.4 1 721 698 665 616 544 457
16.4 16.4 16.4 683 599 455 323 234 176
8.53 4.34 0 1 25.4 25.4 25.4 25.4 25.4 25.4
4.28 2.17 0
30.2 30.2 30.2 1 890 861 819 755 660 551
19.2 19.2 19.2 840 728 541 380 274 206
10.5 5.34 0 1 30.2 30.2 30.2 30.2 30.2 30.2
5.25 2.67 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.6 Pcx
pyZx = 10.3 Pcy
pyZy = 7.67 Mb
5.0 Pcx
pyZx = 13.4 Pcy
pyZy = 9.9 Mb
6.3 Pcx
pyZx = 16 Pcy
pyZy = 11.6 Mb
8.0 Pcx
pyZx = 18.7 Pcy
pyZy = 13.4 Mb
3.6 Pcx
pyZx = 13.5 Pcy
pyZy = 9.02 Mb
5.0 Pcx
pyZx = 17.7 Pcy
pyZy = 11.7 Mb
6.3 Pcx
pyZx = 21.2 Pcy
pyZy = 13.8 Mb
8.0 Pcx
pyZx = 25.1 Pcy
pyZy = 16 Mb
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
25.9 25.9 25.9 120x80 1 653 634 609 572 517 446
19.9 19.9 19.9 639 605 546 454 355 276
7.8 3.94 0 1 25.9 25.9 25.9 25.9 25.9 25.9
5.2 2.63 0
31.2 31.2 31.2 1 810 786 754 706 634 544
24.2 24.2 24.2 792 748 671 551 428 331
9.62 4.88 0 1 31.2 31.2 31.2 31.2 31.2 31.2
6.42 3.25 0
37.3 37.3 37.3 1 1000 973 931 868 774 658
29 29 29 981 923 821 666 513 395
11.9 6.03 0 1 37.3 37.3 37.3 37.3 37.3 37.3
7.92 4.02 0
43.3 43.3 43.3 1 1220 1180 1120 1040 921 776
33.3 33.3 33.3 1190 1110 975 777 592 454
14.2 7.28 0 1 43.3 43.3 43.3 43.3 43.3 43.3
9.52 4.86 0
42 42 42 150x100 1 836 819 799 773 738 690
32 32 32 824 797 758 698 610 508
12.4 6.26 0 1 42 42 42 42 42 42
8.28 4.17 0
51.1 51.1 51.1 1 1040 1020 994 961 916 853
39.1 39.1 39.1 1020 990 940 862 748 620
15.4 7.77 0 1 51.1 51.1 51.1 51.1 51.1 51.1
10.3 5.18 0
61.8 61.8 61.8 1 1300 1270 1240 1190 1140 1060
47.9 47.9 47.9 1280 1230 1170 1060 916 754
19.1 9.67 0 1 61.8 61.8 61.8 61.8 61.8 61.8
12.7 6.45 0
72.8 72.8 72.8 1 1580 1550 1510 1450 1380 1270
56.7 56.7 56.7 1560 1500 1410 1280 1090 889
23.1 11.8 0 1 72.8 72.8 72.8 72.8 72.8 72.8
15.4 7.84 0
84.3 84.3 84.3 1 1920 1880 1830 1760 1660 1520
65.2 65.2 65.2 1890 1810 1700 1530 1280 1030
27.9 14.2 0 1 84.3 84.3 84.3 84.3 84.3 84.3
18.6 9.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
5.0 Pcx
pyZx = 21.6 Pcy
pyZy = 17.1 Mb
6.3 Pcx
pyZx = 26 Pcy
pyZy = 20.4 Mb
8.0 Pcx
pyZx = 31.1 Pcy
pyZy = 24.2 Mb
10.0 Pcx
pyZx = 36.1 Pcy
pyZy = 27.7 Mb
5.0 Pcx
pyZx = 35 Pcy
pyZy = 27.9 Mb
6.3 Pcx
pyZx = 42.6 Pcy
pyZy = 33.7 Mb
8.0 Pcx
pyZx = 51.5 Pcy
pyZy = 40.5 Mb
10.0 Pcx
pyZx = 60.7 Pcy
pyZy = 47.2 Mb
12.5 Pcx
pyZx = 70.3 Pcy
pyZy = 54.3 Mb
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
31.3 28.9 $ 160x80 0.927 650 637 623 604 579 545
17.7 17.7 $ 631 601 550 468 372 292
- - - 0.927 27.2 27.2 27.2 27.2 27.2 27.2
- - - 0.581 32.6 32.6 32.6 32.6 32.6 32.6
39.6 39.6 39.6 1 802 786 768 744 713 670
24.8 24.8 24.8 778 739 674 570 451 353
12.6 6.39 0 1 39.6 39.6 39.6 39.6 39.6 39.6
- - -
48.1 48.1 48.1 1 996 976 952 923 883 827
30.8 30.8 30.8 965 915 831 697 548 427
15.6 7.91 0 1 48.1 48.1 48.1 48.1 48.1 48.1
7.83 3.96 0
57.9 57.9 57.9 1 1240 1220 1190 1150 1100 1020
37.6 37.6 37.6 1200 1140 1020 846 659 511
19.4 9.84 0 1 57.9 57.9 57.9 57.9 57.9 57.9
9.71 4.93 0
68.6 68.6 68.6 1 1510 1480 1440 1390 1330 1230
43.9 43.9 43.9 1460 1380 1230 1000 771 595
23.4 12 0 1 68.6 68.6 68.6 68.6 68.6 68.6
11.7 5.98 0
61 56.4 $ 200x100 0.927 1020 1010 990 971 949 921
34.6 34.6 $ 999 968 924 858 759 640
- - - 0.927 52.9 52.9 52.9 52.9 52.9 52.9
- - - 0.582 63.5 63.5 63.5 63.5 63.5 63.5
78 78 78 1 1270 1250 1230 1210 1180 1150
49.1 49.1 49.1 1250 1210 1150 1060 936 786
24.9 12.6 0 1 78 78 78 78 78 78
- - -
95 95 95 1 1590 1570 1540 1510 1480 1430
61.1 61.1 61.1 1560 1510 1430 1320 1150 957
31 15.7 0 1 95 95 95 95 95 95
15.5 7.86 0
113 113 113 1 1950 1920 1890 1850 1800 1750
73.1 73.1 73.1 1910 1840 1750 1600 1380 1140
37.8 19.2 0 1 113 113 113 113 113 113
18.9 9.6 0
134 134 134 1 2380 2350 2310 2260 2200 2120
85.6 85.6 85.6 2330 2240 2120 1920 1640 1340
45.8 23.4 0 1 134 134 134 134 134 134
23 11.7 0
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 4.0 Pcx
pyZx = 27.2 Pcy
pyZy = 18.4 Mb
Mb
5.0 Pcx
pyZx = 33 Pcy
pyZy = 22.1 Mb
6.3 Pcx
pyZx = 40.1 Pcy
pyZy = 26.6 Mb
8.0 Pcx
pyZx = 48.3 Pcy
pyZy = 31.6 Mb
10.0 Pcx
pyZx = 57.2 Pcy
pyZy = 36.6 Mb
§ 5.0 Pcx
pyZx = 52.9 Pcy
pyZy = 35.9 Mb
Mb
6.3 Pcx
pyZx = 65 Pcy
pyZy = 43.7 Mb
8.0 Pcx
pyZx = 79.2 Pcy
pyZy = 52.5 Mb
10.0 Pcx
pyZx = 94.4 Pcy
pyZy = 61.8 Mb
12.5 Pcx
pyZx = 111 Pcy
pyZy = 71.4 Mb
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5
mm mm
68 63.2 $ 200x120 0.927 1090 1080 1060 1040 1020 991
43.6 43.6 $ 1080 1050 1020 976 913 825
- - - 0.927 59.6 59.6 59.6 59.6 59.6 59.6
- - - 0.544 71.6 71.6 71.6 71.6 71.6 71.6
88.2 88.2 88.2 1 1360 1340 1320 1300 1270 1230
62 62 62 1340 1310 1270 1210 1130 1020
26.7 13.5 0 1 88.2 88.2 88.2 88.2 88.2 88.2
- - -
108 108 108 1 1700 1680 1660 1630 1590 1540
77.4 77.4 77.4 1680 1640 1590 1520 1410 1260
33.3 16.9 0 1 108 108 108 108 108 108
20 10.1 0
129 129 129 1 2090 2060 2030 1990 1950 1890
93.4 93.4 93.4 2060 2010 1940 1850 1710 1520
40.7 20.6 0 1 129 129 129 129 129 129
24.4 12.4 0
127 127 127 200x150 1 1870 1850 1830 1790 1760 1710
104 104 104 1870 1830 1790 1740 1680 1590
36.8 18.6 0 1 127 127 127 127 127 127
27.6 13.9 0
152 152 152 1 2300 2280 2240 2200 2150 2090
126 126 126 2300 2250 2200 2140 2060 1950
45 22.8 0 1 152 152 152 152 152 152
33.8 17.1 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 5.0 Pcx
pyZx = 59.6 Pcy
pyZy = 45.1 Mb
Mb
6.3 Pcx
pyZx = 73.5 Pcy
pyZy = 55 Mb
8.0 Pcx
pyZx = 89.8 Pcy
pyZy = 66.7 Mb
10.0 Pcx
pyZx = 108 Pcy
pyZy = 79.2 Mb
8.0 Pcx
pyZx = 105 Pcy
pyZy = 89.8 Mb
10.0 Pcx
pyZx = 127 Pcy
pyZy = 107 Mb
HOT-FINISHED CELSIUS
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
mm mm
161 161 161 250x100 1 2260 2190 2100 1960 1740 1480
89.1 89.1 89.1 2070 1670 1130 772 551 412
55.9 28.4 0 1 161 161 161 161 161 161
22.4 11.4 0
192 192 192 1 2770 2690 2570 2380 2110 1780
106 106 106 2530 1990 1340 904 645 481
68.1 34.7 0 1 192 192 192 192 192 192
27.3 13.9 0
53.6 $ $ 250x150 0.624 1360 1320 1270 1210 1110 976
59.6 $ $ 1320 1250 1120 916 710 549
- - - 0.624 95.5 95.5 95.5 95.5 95.5 95.5
- - - 0.302 115 115 115 115 115 115
135 127 $ 0.94 1690 1650 1590 1510 1380 1210
86.2 86.2 $ 1650 1550 1390 1130 875 676
- - - 0.94 118 118 118 118 118 118
- - - 0.553 141 141 141 141 141 141
174 174 174 1 2130 2070 1990 1890 1720 1510
124 124 124 2070 1950 1730 1400 1080 832
53 26.7 0 1 174 174 174 174 174 174
- - -
210 210 210 1 2620 2550 2450 2310 2110 1840
151 151 151 2550 2390 2110 1700 1300 999
65.1 32.9 0 1 210 210 210 210 210 210
39.1 19.7 0
252 252 252 1 3220 3130 3010 2830 2570 2230
182 182 182 3130 2930 2570 2040 1550 1190
79.5 40.3 0 1 252 252 252 252 252 252
47.8 24.2 0
302 302 302 1 4020 3900 3740 3510 3160 2720
220 220 220 3890 3630 3140 2460 1850 1420
98.6 50.2 0 1 302 302 302 302 302 302
59.2 30.1 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
10.0 Pcx
pyZx = 135 Pcy
pyZy = 76 Mb
12.5 Pcx
pyZx = 160 Pcy
pyZy = 88.4 Mb
§ 5.0 Pcx
pyZx = 95.5 Pcy
pyZy = 72.4 Mb
Mb
§ 6.3 Pcx
pyZx = 118 Pcy
pyZy = 88.8 Mb
Mb
8.0 Pcx
pyZx = 145 Pcy
pyZy = 109 Mb
10.0 Pcx
pyZx = 175 Pcy
pyZy = 130 Mb
12.5 Pcx
pyZx = 210 Pcy
pyZy = 154 Mb
16.0 Pcx
pyZx = 252 Pcy
pyZy = 183 Mb
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
mm mm
179 179 179 300x100 1 2140 2090 2030 1950 1830 1670
77.5 77.5 77.5 1960 1610 1130 772 553 413
63.3 32 0 1 179 179 179 179 179 179
- - -
216 216 216 1 2630 2570 2490 2390 2240 2040
105 105 105 2400 1950 1350 918 657 491
77.6 39.3 0 1 216 216 216 216 216 216
25.9 13.1 0
115 $ $ 300x200 0.684 2150 2110 2060 2000 1910 1790
128 $ $ 2120 2050 1960 1810 1600 1340
- - - 0.684 185 185 185 185 185 185
- - -
276 276 276 1 2710 2660 2590 2510 2400 2250
186 186 186 2670 2580 2460 2270 2000 1670
80.7 40.6 0 1 276 276 276 276 276 276
- - -
336 336 336 1 3350 3280 3200 3100 2960 2770
256 256 256 3300 3190 3030 2790 2440 2030
99.4 50.1 0 1 336 336 336 336 336 336
66.3 33.4 0
406 406 406 1 4130 4040 3940 3810 3630 3380
311 311 311 4060 3930 3730 3420 2970 2460
122 61.7 0 1 406 406 406 406 406 406
81.4 41.1 0
494 494 494 1 5180 5070 4940 4770 4540 4220
383 383 383 5100 4920 4660 4250 3650 3010
152 77.2 0 1 494 494 494 494 494 494
102 51.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
mm mm
195 $ $ 400x200 0.624 3290 3260 3200 3140 3070 2980
193 $ $ 3230 3130 3000 2790 2480 2100
- - - 0.624 347 347 347 347 347 347
- - - 0.323 417 417 417 417 417 417
489 452 $ 0.927 4080 4030 3960 3890 3800 3680
277 277 $ 4000 3880 3700 3440 3040 2570
- - - 0.927 425 425 425 425 425 425
8.0 Pcx
pyZx = 149 Pcy
pyZy = 76.7 Mb
10.0 Pcx
pyZx = 180 Pcy
pyZy = 90.5 Mb
§ 6.3 Pcx
pyZx = 185 Pcy
pyZy = 149 Mb
8.0 Pcx
pyZx = 230 Pcy
pyZy = 184 Mb
10.0 Pcx
pyZx = 280 Pcy
pyZy = 223 Mb
12.5 Pcx
pyZx = 338 Pcy
pyZy = 268 Mb
16.0 Pcx
pyZx = 411 Pcy
pyZy = 323 Mb
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 8.0 Pcx
pyZx = 347 Pcy
pyZy = 236 Mb
Mb
§ 10.0 Pcx
pyZx = 425 Pcy
pyZy = 287 Mb
- - - 0.582 509 509 509 509 509 509
619 619 619 1 5040 4980 4900 4800 4690 4550
387 387 387 4940 4790 4560 4220 3720 3120
198 99.9 0 1 619 619 619 619 619 619
- - -
761 761 761 1 6350 6270 6160 6040 5900 5710
488 488 488 6220 6020 5720 5270 4600 3830
248 126 0 1 761 761 761 761 761 761
124 62.8 0
$ $ $ 450x250 0.492 3870 3850 3790 3740 3670 3600
$ $ $ 3840 3750 3650 3520 3330 3070
- - - 0.492 475 475 475 475 475 475
- - -
409 $ $ 0.757 4790 4760 4700 4630 4540 4450
373 $ $ 4750 4650 4520 4350 4110 3780
- - - 0.757 582 582 582 582 582 582
- - - 0.421 699 699 699 699 699 699
852 852 852 1 5930 5890 5810 5720 5620 5500
529 529 529 5880 5740 5580 5370 5070 4640
263 132 0 1 852 852 852 852 852 852
- - -
1050 1050 1050 1 7490 7440 7330 7220 7090 6930
720 720 720 7420 7250 7040 6750 6350 5780
330 167 0 1 1050 1050 1050 1050 1050 1050
184 92.7 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7
mm mm
$ $ $ 500x300 0.388 4440 4430 4380 4320 4260 4190
$ $ $ 4430 4350 4270 4160 4030 3850
- - - 0.388 621 621 621 621 621 621
- - -
428 $ $ 0.624 5500 5490 5430 5360 5280 5200
477 $ $ 5490 5400 5290 5160 4990 4770
- - - 0.624 763 763 763 763 763 763
- - - 0.302 916 916 916 916 916 916
1060 989 $ 0.927 6820 6800 6720 6640 6540 6430
681 681 $ 6800 6680 6550 6380 6170 5900
- - - 0.927 935 935 935 935 935 935
Mb
12.5 Pcx
pyZx = 516 Pcy
pyZy = 346 Mb
16.0 Pcx
pyZx = 634 Pcy
pyZy = 420 Mb
§ 8.0 Pcx
pyZx = 475 Pcy
pyZy = 345 Mb
§ 10.0 Pcx
pyZx = 582 Pcy
pyZy = 421 Mb
Mb
12.5 Pcx
pyZx = 710 Pcy
pyZy = 510 Mb
16.0 Pcx
pyZx = 879 Pcy
pyZy = 626 Mb
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 8.0 Pcx
pyZx = 621 Pcy
pyZy = 472 Mb
§ 10.0 Pcx
pyZx = 763 Pcy
pyZy = 578 Mb
Mb
§ 12.5 Pcx
pyZx = 935 Pcy
pyZy = 705 Mb
- - - 0.544 1120 1120 1120 1120 1120 1120
1390 1390 1390 1 8630 8600 8500 8390 8270 8130
994 994 994 8610 8450 8280 8060 7790 7410
424 214 0 1 1390 1390 1390 1390 1390 1390
- - -
1640 1640 1640 1 10400 10300 10200 10100 9920 9760
1180 1180 1180 10300 10100 9920 9660 9320 8870
506 256 0 1 1640 1640 1640 1640 1640 1640
304 154 0
Mb
16.0 Pcx
pyZx = 1160 Pcy
pyZy = 870 Mb
20.0 Pcx
pyZx = 1360 Pcy
pyZy = 1010 Mb
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
4 5 6 7 8 9 10
17.1 11.1 7.75 5.72 4.4 3.48 2.83
7.58 4.88 3.4 2.51 1.93 1.52 1.24
2.42 2.32 2.22 2.13 2.04 1.96 1.88
31.2 20.3 14.2 10.5 8.07 6.4 5.2
16.7 10.8 7.55 5.57 4.28 3.39 2.75
3.76 3.76 3.76 3.64 3.55 3.46 3.38
39.1 25.4 17.8 13.1 10.1 8.01 6.5
20.6 13.3 9.31 6.87 5.28 4.18 3.39
4.64 4.64 4.64 4.58 4.47 4.36 4.26
45.3 29.4 20.6 15.2 11.7 9.28 7.54
23.8 15.4 10.7 7.92 6.08 4.82 3.91
5.41 5.41 5.41 5.41 5.28 5.15 5.02
66.1 43.3 30.5 22.6 17.4 13.8 11.2
23 14.8 10.4 7.65 5.88 4.66 3.78
6.09 5.7 5.46 5.22 5.01 4.8 4.6
79 51.8 36.4 27 20.8 16.5 13.4
26.8 17.4 12.1 8.95 6.87 5.44 4.42
7.28 6.85 6.55 6.26 5.99 5.73 5.49
93 60.9 42.8 31.7 24.4 19.4 15.8
31.1 20.1 14 10.4 7.95 6.3 5.11
8.56 8.13 7.76 7.41 7.08 6.76 6.46
108 70.9 49.8 36.9 28.4 22.6 18.3
35.2 22.8 15.9 11.7 9 7.13 5.79
9.93 9.56 9.1 8.67 8.26 7.87 7.51
124 81.1 57 42.2 32.5 25.8 20.9
39.2 25.3 17.7 13 10 7.92 6.42
11.3 11 10.5 9.93 9.43 8.96 8.53
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
4 5 6 7 8 9 10
111 73.3 51.8 38.5 29.7 23.6 19.2
46.2 30 21 15.5 11.9 9.45 7.68
9.29 9.29 9.29 8.8 8.55 8.32 8.09
144 95 67.1 49.8 38.4 30.5 24.8
59 38.2 26.8 19.8 15.2 12 9.78
12.1 12.1 12.1 11.5 11.2 10.9 10.6
171 113 79.4 58.9 45.4 36.1 29.3
68.2 44.2 30.9 22.8 17.6 13.9 11.3
14.2 14.2 14.2 13.7 13.3 12.9 12.6
121 80.6 57.2 42.5 32.8 26.1 21.3
43.9 28.5 20 14.8 11.3 8.99 7.3
9.33 9.33 8.76 8.47 8.19 7.92 7.66
128 85.2 60.4 45 34.7 27.6 22.5
46.3 30 21 15.5 11.9 9.47 7.69
9.88 9.88 9.27 8.96 8.66 8.37 8.1
185 123 87.1 64.7 50 39.7 32.3
64.8 42 29.4 21.7 16.7 13.2 10.8
14.2 14.2 13.5 13 12.6 12.1 11.7
220 146 104 77 59.4 47.3 38.5
75.2 48.7 34.1 25.2 19.4 15.3 12.5
16.8 16.8 16.1 15.5 15 14.4 13.9
258 171 121 89.9 69.3 55.1 44.8
86 55.7 39 28.8 22.1 17.5 14.2
19.6 19.6 19 18.3 17.6 16.9 16.3
292 193 136 101 78 62 50.4
93.8 60.7 42.5 31.3 24.1 19.1 15.5
22.1 22.1 21.7 20.8 20 19.1 18.4
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
4 5 6 7 8 9 10
159 107 75.7 56.3 43.5 34.6 28.2
76.1 49.6 34.8 25.8 19.8 15.7 12.8
12.3 12.3 12.3 12.3 12.3 12.3 11.5
208 139 98.4 73.2 56.5 45 36.6
97.9 63.7 44.7 33.1 25.5 20.2 16.4
16.1 16.1 16.1 16.1 16.1 16.1 15.2
248 166 117 87.3 67.4 53.6 43.6
116 75.3 52.8 39.1 30.1 23.8 19.4
19.2 19.2 19.2 19.2 19.2 19.2 18.3
295 196 139 103 79.7 63.4 51.6
134 87.1 61.1 45.2 34.7 27.5 22.4
22.5 22.5 22.5 22.5 22.5 22.2 21.7
235 162 116 87 67.4 53.7 43.8
89.2 58.2 40.9 30.2 23.3 18.5 15
16.1 16.1 16.1 15.2 14.8 14.4 14
311 214 153 114 88.7 70.6 57.6
116 75.4 52.9 39.1 30.1 23.9 19.4
21.3 21.3 21.3 20.2 19.6 19.1 18.5
376 257 184 137 106 84.8 69.1
137 89 62.5 46.2 35.6 28.2 22.9
25.4 25.4 25.4 24.4 23.7 23 22.3
451 307 219 164 127 101 82.3
160 104 72.9 53.9 41.5 32.9 26.7
30.2 30.2 30.2 29.2 28.3 27.4 26.6
AXIAL LOAD & BENDING
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
4 5 6 7 8 9 10
373 259 186 139 108 86.1 70.2
218 144 102 75.4 58.2 46.2 37.6
25.9 25.9 25.9 25.9 25.9 25.9 25.9
453 313 225 168 131 104 84.8
261 172 122 90.2 69.6 55.3 45
31.2 31.2 31.2 31.2 31.2 31.2 31.2
545 375 269 201 156 124 101
311 205 144 107 82.7 65.6 53.4
37.3 37.3 37.3 37.3 37.3 37.3 37.3
639 437 313 234 181 144 118
357 235 165 123 94.5 75.1 61
43.3 43.3 43.3 43.3 43.3 43.3 43.3
626 479 358 272 213 171 140
416 283 202 151 117 93 75.8
42 42 42 42 42 42 42
772 587 437 333 260 208 170
505 343 245 183 141 113 91.7
51.1 51.1 51.1 51.1 51.1 51.1 51.1
949 717 532 404 315 252 206
612 414 295 220 170 136 110
61.8 61.8 61.8 61.8 61.8 61.8 61.8
1140 850 628 476 372 297 243
719 485 345 257 199 158 129
72.8 72.8 72.8 72.8 72.8 72.8 72.8
1350 998 734 556 433 346 283
832 559 397 296 229 182 148
84.3 84.3 84.3 84.3 84.3 84.3 84.3
AXIAL LOAD & BENDING
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
4 5 6 7 8 9 10
500 390 294 225 176 141 116
231 153 108 80.6 62.2 49.4 40.2
27.2 27.2 27.2 27.2 27.2 25.9 25.5
32.6 32.6 32.6 32.6 32.6 30.9 30.2
613 476 358 273 214 171 140
279 185 131 97.2 75 59.6 48.5
39.6 39.6 39.6 39.6 39.6 37.7 36.9
754 582 436 333 260 209 171
338 223 158 117 90.4 71.8 58.4
48.1 48.1 48.1 48.1 48.1 46 45
928 710 530 403 315 253 207
403 266 188 139 108 85.4 69.5
57.9 57.9 57.9 57.9 57.9 56.2 54.9
1110 843 626 476 371 297 243
469 309 218 162 125 99 80.5
68.6 68.6 68.6 68.6 68.6 66.6 65.1
884 780 643 513 411 333 274
527 361 259 193 150 119 97
52.9 52.9 52.9 52.9 52.9 52.9 52.9
63.5 63.5 63.5 63.5 63.5 63.5 63.5
1100 966 793 632 505 409 337
645 441 315 236 182 145 118
78 78 78 78 78 78 78
1370 1200 976 775 618 500 412
783 533 380 284 220 175 143
95 95 95 95 95 95 95
1670 1450 1170 928 738 597 491
929 630 449 335 259 206 168
113 113 113 113 113 113 113
2020 1740 1400 1100 875 707 581
1080 731 521 388 300 239 195
134 134 134 134 134 134 134
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
4 5 6 7 8 9 10
955 851 711 572 459 373 308
719 520 380 286 223 178 145
59.6 59.6 59.6 59.6 59.6 59.6 59.6
71.6 71.6 71.6 71.6 71.6 71.6 71.6
1190 1060 878 705 565 459 378
884 636 463 349 272 217 177
88.2 88.2 88.2 88.2 88.2 88.2 88.2
1480 1310 1090 868 695 564 465
1090 779 566 426 331 264 216
108 108 108 108 108 108 108
1810 1590 1310 1040 835 676 557
1300 926 671 505 392 313 255
129 129 129 129 129 129 129
1650 1480 1240 1000 808 658 543
1480 1180 898 690 541 435 356
127 127 127 127 127 127 127
2020 1800 1510 1210 973 791 653
1800 1420 1080 828 649 521 427
152 152 152 152 152 152 152
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
for
8 9 10 11 12 13 14
1230 1010 845 711 606 521 453
318 254 207 172 145 124 107
161 151 147 143 139 136 132
1470 1210 1010 848 722 621 540
372 296 241 200 169 144 125
192 180 175 170 166 161 157
831 697 586 496 424 365 318
433 348 285 238 201 173 150
95.5 95.5 95.5 95.5 95.5 95.5 95.5
115 115 115 115 115 115 115
1030 863 724 613 523 451 393
532 428 351 292 247 212 184
118 118 118 118 118 118 118
141 141 141 141 141 141 141
1280 1070 896 758 647 558 486
654 526 431 359 304 260 226
174 174 174 174 174 174 174
1550 1300 1090 917 783 675 587
784 630 516 430 364 312 270
210 210 210 210 210 210 210
1870 1560 1300 1100 939 809 704
935 751 615 513 433 371 322
252 252 252 252 252 252 252
2270 1890 1570 1330 1130 975 848
1110 891 729 607 514 440 381
302 302 302 302 302 302 302
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
8 9 10 11 12 13 14
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
1460 1260 1070 914 785 679 593
320 255 208 172 146 124 108
161 155 150 145 140 135 130
1780 1530 1300 1110 950 822 717
380 302 246 205 173 148 128
194 187 180 174 168 162 156
1630 1440 1260 1090 941 819 717
1100 906 753 633 538 463 402
185 185 185 185 185 185 185
2050 1820 1580 1370 1180 1030 903
1370 1120 933 784 667 574 498
276 276 276 276 276 276 276
2510 2220 1930 1670 1440 1250 1100
1660 1360 1130 950 808 694 603
336 336 336 336 336 336 336
3050 2680 2320 2000 1720 1500 1310
2000 1640 1360 1140 971 834 724
406 406 406 406 406 406 406
3800 3330 2870 2470 2130 1850 1620
2440 1990 1650 1390 1180 1010 878
494 494 494 494 494 494 494
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
8 9 10 11 12 13 14
2870 2720 2530 2320 2090 1880 1670
1730 1430 1190 1000 853 734 638
347 347 347 347 347 347 347
417 417 417 417 417 417 417
3540 3350 3120 2850 2570 2300 2050
2110 1740 1450 1220 1040 892 775
425 425 425 425 425 425 425
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
509 509 509 509 509 509 509
4370 4130 3840 3500 3150 2810 2510
2560 2110 1750 1470 1250 1080 935
619 619 619 619 619 619 619
5470 5160 4770 4340 3890 3470 3090
3130 2570 2130 1790 1520 1310 1140
761 761 761 761 761 761 761
3500 3390 3240 3060 2860 2630 2400
2740 2380 2040 1750 1510 1310 1140
475 475 475 475 475 475 475
4330 4190 4000 3780 3520 3240 2950
3360 2910 2490 2130 1830 1590 1390
582 582 582 582 582 582 582
699 699 699 699 699 699 699
5350 5170 4940 4660 4330 3970 3620
4110 3550 3030 2590 2230 1930 1690
852 852 852 852 852 852 852
6740 6500 6200 5830 5400 4950 4490
5080 4360 3720 3170 2720 2360 2060
1050 1050 1050 1050 1050 1050 1050
AXIAL LOAD & BENDING
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
8 9 10 11 12 13 14
4110 4020 3900 3760 3590 3390 3170
3610 3310 2970 2620 2310 2020 1780
621 621 621 621 621 621 621
5100 4980 4830 4650 4440 4190 3910
4480 4110 3680 3250 2860 2510 2210
763 763 763 763 763 763 763
916 916 916 916 916 916 916
6310 6160 5970 5750 5480 5160 4810
5520 5050 4520 3990 3500 3070 2700
935 935 935 935 935 935 935
HOT-FINISHED CELSIUS
Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
1120 1120 1120 1120 1120 1120 1120
7970 7770 7530 7240 6880 6470 6020
6920 6300 5610 4930 4310 3780 3330
1390 1390 1390 1390 1390 1390 1390
9560 9330 9050 8700 8290 7800 7270
8270 7520 6690 5880 5150 4510 3970
1640 1640 1640 1640 1640 1640 1640
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
40x40 3.41 119 n/a 1.61 1.61 1.61 1.61 1.61 1.61 1.61 1.61
1 1.61 1.61 1.56 1.45 1.3 1.11 0.899 0.685
3.61 126 n/a 1.69 1.69 1.69 1.69 1.69 1.69 1.69 1.69
1 1.69 1.69 1.64 1.52 1.36 1.17 0.949 0.723
4.39 154 n/a 1.95 1.95 1.95 1.95 1.95 1.95 1.95 1.95
1 1.95 1.95 1.94 1.8 1.62 1.39 1.13 0.869
5.28 185 n/a 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2
1 2.2 2.2 2.2 2.1 1.88 1.63 1.34 1.03
50x50 4.35 152 n/a 2.67 2.67 2.67 2.67 2.67 2.67 2.67 2.67
1 2.67 2.63 2.53 2.35 2.1 1.79 1.45 1.1
4.62 162 n/a 2.8 2.8 2.8 2.8 2.8 2.8 2.8 2.8
1 2.8 2.77 2.66 2.47 2.21 1.89 1.54 1.17
5.64 198 n/a 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
1 3.3 3.3 3.2 2.98 2.67 2.28 1.85 1.41
6.85 240 n/a 3.83 3.83 3.83 3.83 3.83 3.83 3.83 3.83
1 3.83 3.83 3.78 3.52 3.15 2.71 2.21 1.7
8.31 292 n/a 4.32 4.32 4.32 4.32 4.32 4.32 4.32 4.32
1 4.32 4.32 4.32 4.12 3.69 3.2 2.63 2.03
60x60 5.29 185 n/a 3.93 3.93 3.93 3.93 3.93 3.93 3.93 3.93
1 3.93 3.88 3.72 3.46 3.1 2.64 2.14 1.62
5.62 197 n/a 4.18 4.18 4.18 4.18 4.18 4.18 4.18 4.18
1 4.18 4.12 3.96 3.68 3.3 2.8 2.26 1.72
6.9 242 n/a 4.98 4.98 4.98 4.98 4.98 4.98 4.98 4.98
1 4.98 4.97 4.77 4.43 3.97 3.39 2.75 2.09
8.42 294 n/a 5.87 5.87 5.87 5.87 5.87 5.87 5.87 5.87
1 5.87 5.87 5.71 5.31 4.76 4.06 3.3 2.52
10.3 360 n/a 6.77 6.77 6.77 6.77 6.77 6.77 6.77 6.77
1 6.77 6.77 6.77 6.31 5.65 4.85 3.97 3.04
12.5 440 n/a 7.66 7.66 7.66 7.66 7.66 7.66 7.66 7.66
1 7.66 7.66 7.66 7.37 6.6 5.75 4.74 3.66
70x70 7.4 259 n/a 6.41 6.41 6.41 6.41 6.41 6.41 6.41 6.41
1 6.41 6.32 6.07 5.64 5.05 4.3 3.48 2.64
9.99 349 n/a 8.35 8.35 8.35 8.35 8.35 8.35 8.35 8.35
1 8.35 8.35 8.03 7.47 6.7 5.69 4.62 3.51
12.3 429 n/a 9.8 9.8 9.8 9.8 9.8 9.8 9.8 9.8
1 9.8 9.8 9.62 8.95 8.02 6.85 5.59 4.27
15 528 n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3
1 11.3 11.3 11.3 10.6 9.51 8.22 6.74 5.18
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
3.0 ~ Mc
Mr
3.2 ~ Mc
Mr
4.0 Mc
Mr
5.0 ~ Mc
Mr
3.0 ~ Mc
Mr
3.2 ~ Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 ~ Mc
Mr
3.0 ~ Mc
Mr
3.2 ~ Mc
Mr
4.0 ~ Mc
Mr
5.0 Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
3.6 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
80x80 8.53 299 n/a 8.53 8.53 8.53 8.53 8.53 8.53 8.53 8.53
1 8.53 8.41 8.07 7.51 6.72 5.71 4.61 3.49
9.41 330 n/a 9.35 9.35 9.35 9.35 9.35 9.35 9.35 9.35
1 9.35 9.23 8.86 8.24 7.37 6.27 5.07 3.84
11.6 404 n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3
1 11.3 11.2 10.7 9.97 8.93 7.59 6.15 4.67
14.2 498 n/a 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4
1 13.4 13.4 13 12.1 10.8 9.19 7.48 5.7
17.5 616 n/a 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6
1 15.6 15.6 15.5 14.4 12.9 11.1 9.09 6.96
90x90 9.66 338 n/a 10.9 10.9 10.9 10.9 10.9 10.9 10.9 10.9
1 10.9 10.8 10.3 9.62 8.61 7.31 5.9 4.46
10.7 374 n/a 12 12 12 12 12 12 12 12
1 12 11.8 11.4 10.6 9.45 8.05 6.5 4.92
13.1 459 n/a 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
1 14.6 14.4 13.8 12.8 11.5 9.77 7.91 6
16.2 569 n/a 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5
1 17.5 17.4 16.7 15.6 13.9 11.9 9.68 7.37
20.1 704 n/a 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7
1 20.7 20.7 20.2 18.8 16.8 14.5 11.8 9.01
100x100 11.9 418 n/a 15 15 15 15 15 15 15 15
1 15 14.8 14.2 13.2 11.8 10 8.1 6.12
14.7 514 n/a 18.3 18.3 18.3 18.3 18.3 18.3 18.3 18.3
1 18.3 18 17.3 16.1 14.4 12.2 9.88 7.49
18.2 638 n/a 22.1 22.1 22.1 22.1 22.1 22.1 22.1 22.1
1 22.1 22 21.1 19.6 17.5 15 12.1 9.21
22.6 792 n/a 26.4 26.4 26.4 26.4 26.4 26.4 26.4 26.4
1 26.4 26.4 25.6 23.8 21.3 18.3 14.8 11.3
27.4 960 n/a 30.5 30.5 30.5 30.5 30.5 30.5 30.5 30.5
1 30.5 30.5 30.2 28.1 25.2 21.7 17.7 13.6
120x120 17.8 624 n/a 26.8 26.8 26.8 26.8 26.8 26.8 26.8 26.8
1 26.8 26.5 25.4 23.7 21.2 18 14.5 11
22.2 776 n/a 33 33 33 33 33 33 33 33
1 33 32.6 31.3 29.1 26.1 22.1 17.8 13.5
27.6 968 n/a 40 40 40 40 40 40 40 40
1 40 39.8 38.2 35.5 31.8 27.1 22 16.7
33.7 1180 n/a 46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
3.6 ~ Mc
Mr
4.0 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 Mc
Mr
8.0 ~ Mc
Mr
3.6 ~ Mc
Mr
4.0 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 ~ Mc
Mr
10.0 Mc
Mr
5.0 ~ Mc
Mr
6.3 Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
1 46.9 46.9 45.6 42.5 38.1 32.5 26.5 20.2
40.9 1430 n/a 54 54 54 54 54 54 54 54
1 54 54 53.9 50.2 45 38.6 31.6 24.2
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
140x140 21 734 n/a 37.1 37.1 37.1 37.1 37.1 37.1 37.1 37.1
1 37.1 36.6 35.2 32.7 29.3 24.8 20 15.1
26.1 916 n/a 45.7 45.7 45.7 45.7 45.7 45.7 45.7 45.7
1 45.7 45 43.2 40.2 36 30.6 24.7 18.7
32.6 1140 n/a 56.1 56.1 56.1 56.1 56.1 56.1 56.1 56.1
1 56.1 55.4 53.1 49.4 44.2 37.8 30.6 23.2
40 1400 n/a 66.7 66.7 66.7 66.7 66.7 66.7 66.7 66.7
1 66.7 66.7 64.1 59.6 53.4 45.6 37 28.2
48.7 1710 n/a 77.9 77.9 77.9 77.9 77.9 77.9 77.9 77.9
1 77.9 77.9 76.3 71 63.6 54.6 44.5 34
150x150 22.6 789 n/a 42.9 42.9 42.9 42.9 42.9 42.9 42.9 42.9
1 42.9 42.3 40.6 37.8 33.8 28.6 23.1 17.4
28.1 984 n/a 52.8 52.8 52.8 52.8 52.8 52.8 52.8 52.8
1 52.8 52.1 50 46.5 41.6 35.4 28.6 21.6
35.1 1230 n/a 65.2 65.2 65.2 65.2 65.2 65.2 65.2 65.2
1 65.2 64.3 61.7 57.4 51.4 43.8 35.4 26.8
43.1 1510 n/a 77.9 77.9 77.9 77.9 77.9 77.9 77.9 77.9
1 77.9 77.6 74.5 69.3 62.1 52.9 42.9 32.6
52.7 1850 n/a 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4
1 91.4 91.4 89.1 82.9 74.2 63.6 51.8 39.5
65.2 2280 n/a 107 107 107 107 107 107 107 107
1 107 107 107 99.7 89.3 76.8 62.8 48.2
160x160 24.1 844 n/a 49 49 49 49 49 49 49 49
1 49 48.3 46.4 43.1 38.6 32.7 26.3 19.9
30.1 1050 n/a 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5
1 60.5 59.7 57.3 53.3 47.7 40.5 32.7 24.7
37.6 1320 n/a 74.8 74.8 74.8 74.8 74.8 74.8 74.8 74.8
1 74.8 73.8 70.8 65.9 59 50.2 40.6 30.7
46.3 1620 n/a 90.1 90.1 90.1 90.1 90.1 90.1 90.1 90.1
1 90.1 89.3 85.7 79.7 71.4 60.8 49.3 37.4
56.6 1980 n/a 106 106 106 106 106 106 106 106
1 106 106 103 95.8 85.8 73.3 59.6 45.4
Mr
12.5 ~ Mc
Mr
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 Mc
Mr
8.0 ~ Mc
Mr
10.0 Mc
Mr
12.5 ~ Mc
Mr
16.0 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
180x180 34 1190 n/a 77.3 77.3 77.3 77.3 77.3 77.3 77.3 77.3
1 77.3 76.3 73.2 68.1 60.9 51.7 41.7 31.5
42.7 1500 n/a 96 96 96 96 96 96 96 96
1 96 94.7 90.9 84.5 75.6 64.4 52 39.3
52.5 1840 n/a 117 117 117 117 117 117 117 117
1 117 115 110 103 92 78.3 63.3 48
64.4 2260 n/a 139 139 139 139 139 139 139 139
1 139 139 133 124 111 94.7 76.9 58.5
80.2 2810 n/a 165 165 165 165 165 165 165 165
1 165 165 162 151 135 116 94.2 71.9
200x200 30.4 1060 1 70.8 70.8 70.8 70.8 70.8 70.8 70.8 70.8
0 - - - - - - - -
38 1330 n/a 96.3 96.3 96.3 96.3 96.3 96.3 96.3 96.3
1 96.3 95 91.1 84.7 75.8 64.5 51.9 39.2
47.7 1670 n/a 120 120 120 120 120 120 120 120
1 120 118 114 106 94.5 80.3 64.8 49
58.8 2060 n/a 146 146 146 146 146 146 146 146
1 146 144 138 129 115 97.9 79.1 60
72.3 2530 n/a 176 176 176 176 176 176 176 176
1 176 174 167 156 140 119 96.3 73.2
90.3 3160 n/a 211 211 211 211 211 211 211 211
1 211 211 205 190 170 146 119 90.4
250x250 47.9 1680 1 140 140 140 140 140 140 140 140
0 - - - - - - - -
60.3 2110 n/a 191 191 191 191 191 191 191 191
1 191 188 181 168 150 128 103 77.7
74.5 2610 n/a 234 234 234 234 234 234 234 234
1 234 231 222 206 184 157 126 95.5
91.9 3220 n/a 285 285 285 285 285 285 285 285
1 285 281 270 251 225 191 155 117
115 4040 n/a 350 350 350 350 350 350 350 350
1 350 347 333 310 278 237 192 146
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
16.0 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 Mc
Mr
12.5 ~ Mc
Mr
16.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
16.0 ~ Mc
Mr
HOT-FINISHED CELSIUS
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
300x300 57.8 2020*
181 181 181 181 181 181 181 181
- - - - - - - -
72.8 2550 1 265 265 265 265 265 265 265 265
0 - - - - - - - -
90.2 3160 n/a 343 343 343 343 343 343 343 343
1 343 338 324 302 270 229 185 139
112 3910 n/a 419 419 419 419 419 419 419 419
1 419 414 397 369 331 281 227 172
141 4920 n/a 521 521 521 521 521 521 521 521
1 521 514 494 459 411 350 283 215
350x350 85.4 3000*
328 328 328 328 328 328 328 328
- - - - - - - -
106 3710 n/a 472 472 472 472 472 472 472 472
1 472 465 447 415 371 316 254 192
131 4590 n/a 579 579 579 579 579 579 579 579
1 579 572 549 510 457 388 312 236
166 5800 n/a 723 723 723 723 723 723 723 723
1 723 714 685 637 570 485 392 296
400x400 122 4260 1 565 565 565 565 565 565 565 565
0 - - - - - - - -
151 5280 n/a 765 765 765 765 765 765 765 765
1 765 755 724 674 603 512 412 311
191 6680 n/a 958 958 958 958 958 958 958 958
1 958 945 907 844 755 642 518 391
235 7950 n/a 1130 1130 1130 1130 1130 1130 1130 1130
1 1130 1110 1070 991 887 756 611 463
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
16.0 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
16.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 Mc
Mr
16.0 ~ Mc
Mr
20.0 ~ Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6
1.61 1.61 1.61 40x40 1 99.5 68.3 42.9 28.6 20.3 15.1 11.7 7.56 5.29
0.463 0.235 0
1.69 1.69 1.69 1 105 71.7 45 30 21.3 15.8 12.2 7.91 5.54
0.49 0.249 0
1.95 1.95 1.95 1 126 83.8 52.1 34.6 24.5 18.2 14.1 9.12 6.38
0.591 0.301 0
2.2 2.2 2.2 1 149 96.8 59.7 39.5 28 20.8 16.1 10.4 7.27
0.705 0.361 0
2.67 2.67 2.67 50x50 1 138 114 81.6 56.6 40.8 30.6 23.7 15.5 10.8
0.744 0.376 0
2.8 2.8 2.8 1 146 121 85.9 59.5 42.9 32.2 24.9 16.2 11.4
0.788 0.399 0
3.3 3.3 3.3 1 178 145 102 70.1 50.4 37.8 29.3 19.1 13.4
0.958 0.487 0
3.83 3.83 3.83 1 214 173 119 81.9 58.8 44 34.1 22.2 15.5
1.15 0.589 0
4.32 4.32 4.32 1 258 203 137 93.7 67.1 50.1 38.8 25.2 17.7
1.39 0.711 0
3.93 3.93 3.93 60x60 1 174 157 128 95 70.4 53.4 41.7 27.3 19.2
1.09 0.551 0
4.18 4.18 4.18 1 184 166 135 100 74.2 56.3 44 28.8 20.3
1.16 0.584 0
4.98 4.98 4.98 1 226 202 162 120 88.3 67 52.3 34.2 24.1
1.41 0.716 0
5.87 5.87 5.87 1 274 244 194 142 104 78.9 61.5 40.2 28.3
1.71 0.868 0
6.77 6.77 6.77 1 334 295 230 166 122 91.8 71.5 46.7 32.9
2.07 1.06 0
7.66 7.66 7.66 1 405 352 267 191 139 105 81.4 53.1 37.3
2.5 1.29 0
6.41 6.41 6.41 70x70 1 247 231 203 164 127 97.9 77.2 51 36
1.78 0.897 0
8.35 8.35 8.35 1 332 309 270 215 165 127 99.9 65.9 46.5
2.38 1.21 0
9.8 9.8 9.8 1 407 377 326 256 195 150 118 77.5 54.7
2.9 1.48 0
11.3 11.3 11.3 1 499 459 390 302 228 174 137 89.8 63.3
3.53 1.81 0
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
3.0 ~
pyZ = 1.34
3.2 ~
pyZ = 1.41
4.0
pyZ = 1.63
5.0 ~
pyZ = 1.84
3.0 ~
pyZ = 2.22
3.2 ~
pyZ = 2.33
4.0
pyZ = 2.75
5.0
pyZ = 3.19
6.3 ~
pyZ = 3.6
3.0 ~
pyZ = 3.33
3.2 ~
pyZ = 3.49
4.0 ~
pyZ = 4.15
5.0
pyZ = 4.9
6.3 ~
pyZ = 5.64
8.0 ~
pyZ = 6.38
3.6 ~
pyZ = 5.39
5.0 ~
pyZ = 6.96
6.3 ~
pyZ = 8.17
8.0 ~
pyZ = 9.41
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6
8.53 8.53 8.53 80x80 1 289 275 253 220 180 143 114 76.6 54.4
2.35 1.18 0
9.35 9.35 9.35 1 319 303 279 242 197 156 125 83.6 59.4
2.59 1.31 0
11.3 11.3 11.3 1 390 370 340 292 237 188 150 100 71
3.15 1.6 0
13.4 13.4 13.4 1 479 454 414 353 284 224 178 119 84.2
3.86 1.96 0
15.6 15.6 15.6 1 592 559 506 425 338 265 210 140 98.9
4.74 2.42 0
10.9 10.9 10.9 90x90 1 330 317 299 273 236 195 160 109 77.8
3 1.51 0
12 12 12 1 365 350 331 300 259 214 175 119 85.1
3.31 1.67 0
14.6 14.6 14.6 1 447 429 404 366 313 258 210 142 102
4.04 2.04 0
17.5 17.5 17.5 1 554 531 499 449 382 313 254 172 123
4.98 2.53 0
20.7 20.7 20.7 1 684 655 612 546 460 373 302 204 145
6.12 3.11 0
15 15 15 100x100 1 410 397 380 355 320 276 232 162 117
4.11 2.07 0
18.3 18.3 18.3 1 505 488 466 434 389 334 280 195 140
5.04 2.55 0
22.1 22.1 22.1 1 625 604 576 535 477 407 339 235 169
6.22 3.15 0
26.4 26.4 26.4 1 775 748 712 659 583 494 409 282 203
7.67 3.9 0
30.5 30.5 30.5 1 938 904 857 788 691 580 477 328 235
9.23 4.71 0
26.8 26.8 26.8 120x120 1 619 603 585 562 530 487 433 324 241
7.37 3.71 0
33 33 33 1 768 749 726 696 654 599 531 395 292
9.11 4.6 0
40 40 40 1 958 934 904 865 811 739 652 482 355
11.3 5.73 0
46.9 46.9 46.9 1 1170 1140 1100 1050 979 887 777 569 418
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
3.6 ~
pyZ = 7.21
4.0 ~
pyZ = 7.87
5.0 ~
pyZ = 9.41
6.3
pyZ = 11.1
8.0 ~
pyZ = 13.0
3.6 ~
pyZ = 9.3
4.0 ~
pyZ = 10.2
5.0 ~
pyZ = 12.2
6.3 ~
pyZ = 14.6
8.0 ~
pyZ = 17.2
4.0
pyZ = 12.8
5.0
pyZ = 15.4
6.3
pyZ = 18.5
8.0 ~
pyZ = 22.0
10.0
pyZ = 25.4
5.0 ~
pyZ = 22.8
6.3
pyZ = 27.5
8.0 ~
pyZ = 33.3
10.0 ~
13.7 6.96 0
54 54 54 1 1410 1380 1330 1260 1170 1050 913 661 483
16.5 8.42 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10
37.1 37.1 37.1 140x140 1 702 657 583 476 369 287 226 182 150
10.1 5.1 0
45.7 45.7 45.7 1 874 817 722 586 453 351 277 223 183
12.6 6.35 0
56.1 56.1 56.1 1 1090 1020 893 719 553 427 336 271 222
15.7 7.92 0
66.7 66.7 66.7 1 1330 1240 1080 860 658 507 399 321 263
19 9.66 0
77.9 77.9 77.9 1 1620 1500 1300 1020 776 596 468 376 308
23.1 11.7 0
42.9 42.9 42.9 150x150 1 759 718 653 553 441 347 276 223 183
11.7 5.88 0
52.8 52.8 52.8 1 946 894 810 684 544 427 339 274 225
14.5 7.32 0
65.2 65.2 65.2 1 1180 1120 1010 843 667 522 414 334 275
18.1 9.14 0
77.9 77.9 77.9 1 1450 1360 1220 1020 798 622 493 398 327
22.1 11.2 0
91.4 91.4 91.4 1 1770 1660 1480 1210 947 736 582 469 385
26.8 13.6 0
107 107 107 1 2180 2030 1790 1450 1120 866 682 549 451
32.8 16.8 0
49 49 49 160x160 1 817 778 720 629 517 414 332 269 222
13.3 6.71 0
60.5 60.5 60.5 1 1020 970 895 780 639 510 408 331 273
16.6 8.36 0
74.8 74.8 74.8 1 1280 1210 1120 966 787 626 500 406 334
20.7 10.5 0
90.1 90.1 90.1 1 1560 1480 1360 1170 947 750 598 485 399
25.3 12.8 0
106 106 106 1 1910 1810 1650 1410 1130 891 709 574 473
30.8 15.6 0
pyZ = 39.1
12.5 ~
pyZ = 45.0
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
5.0 ~
pyZ = 31.6
6.3 ~
pyZ = 38.8
8.0 ~
pyZ = 47.0
10.0 ~
pyZ = 55.6
12.5 ~
pyZ = 64.9
5.0 ~
pyZ = 36.9
6.3
pyZ = 44.8
8.0 ~
pyZ = 54.7
10.0
pyZ = 64.9
12.5 ~
pyZ = 76.2
16.0 ~
pyZ = 89.1
5.0 ~
pyZ = 42.1
6.3 ~
pyZ = 51.4
8.0 ~
pyZ = 63.0
10.0 ~
pyZ = 75.1
12.5 ~
pyZ = 88.6
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10
77.3 77.3 77.3 180x180 1 1160 1120 1060 962 833 691 565 464 386
21.1 10.6 0
96 96 96 1 1460 1400 1320 1200 1040 856 699 574 476
26.5 13.3 0
117 117 117 1 1790 1720 1620 1470 1260 1030 842 690 572
32.4 16.4 0
139 139 139 1 2200 2110 1980 1780 1510 1240 1010 823 682
39.5 20 0
165 165 165 1 2730 2610 2440 2180 1830 1490 1200 982 813
48.8 24.9 0
70.8 70.8 70.8 200x200 1 1050 1010 970 910 824 716 604 505 424
- - -
96.3 96.3 96.3 1 1310 1270 1210 1130 1030 888 747 624 523
26.3 13.2 0
120 120 120 1 1640 1590 1520 1420 1280 1100 925 771 646
32.9 16.6 0
146 146 146 1 2020 1950 1870 1740 1560 1340 1120 932 780
40.4 20.4 0
176 176 176 1 2480 2400 2290 2130 1900 1620 1350 1120 935
49.4 25 0
211 211 211 1 3100 2990 2840 2630 2330 1970 1630 1350 1130
61.3 31.1 0
140 140 140 250x250 1 1670 1630 1580 1530 1460 1360 1230 1090 951
- - -
191 191 191 1 2100 2050 1990 1920 1830 1700 1540 1360 1190
52.1 26.2 0
234 234 234 1 2590 2530 2460 2370 2250 2090 1890 1660 1450
64.2 32.4 0
285 285 285 1 3200 3120 3030 2920 2770 2560 2310 2030 1750
78.9 39.9 0
350 350 350 1 4010 3910 3800 3650 3450 3180 2850 2490 2150
98.5 49.9 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
6.3 ~
pyZ = 66.3
8.0 ~
pyZ = 81.4
10.0 ~
pyZ = 97.6
12.5 ~
pyZ = 116
16.0 ~
pyZ = 138
5.0 ~
pyZ = 67.4
6.3 ~
pyZ = 82.8
8.0 ~
pyZ = 102
10.0
pyZ = 123
12.5 ~
pyZ = 147
16.0 ~
pyZ = 176
6.3 ~
pyZ = 132
8.0 ~
pyZ = 164
10.0 ~
pyZ = 199
12.5 ~
pyZ = 240
16.0 ~
pyZ = 292
HOT-FINISHED CELSIUS
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10
181 155 $ 300x300*
1820 1800 1760 1730 1680 1620 1550 1470 1360
- - -
265 265 265 1 2550 2510 2460 2400 2330 2240 2120 1970 1800
- - -
343 343 343 1 3160 3100 3040 2970 2870 2760 2610 2430 2210
93.5 47.1 0
419 419 419 1 3910 3840 3760 3660 3550 3400 3220 2980 2710
115 58.1 0
521 521 521 1 4920 4830 4720 4600 4450 4260 4010 3710 3360
145 73.1 0
328 328 $ 350x350*
2940 2920 2870 2820 2760 2690 2600 2500 2370
- - -
472 472 472 1 3710 3680 3620 3550 3480 3380 3270 3140 2970
128 64.6 0
579 579 579 1 4590 4550 4470 4390 4290 4170 4030 3860 3640
158 79.8 0
723 723 723 1 5800 5740 5650 5540 5410 5270 5080 4850 4580
199 101 0
565 565 565 400x400 1 4260 4250 4190 4130 4060 3980 3890 3780 3650
- - -
765 765 765 1 5280 5260 5190 5110 5020 4920 4810 4670 4500
209 105 0
958 958 958 1 6680 6650 6560 6460 6350 6220 6070 5890 5670
263 133 0
1130 1130 1130 1 7950 7920 7800 7680 7550 7400 7220 7000 6750
312 157 0
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
6.3 ~
pyZ = 193
8.0 ~
pyZ = 241
10.0 ~
pyZ = 294
12.5 ~
pyZ = 356
16.0 ~
pyZ = 437
8.0 ~
pyZ = 332
10.0 ~
pyZ = 407
12.5 ~
pyZ = 496
16.0 ~
pyZ = 612
10.0 ~
pyZ = 538
12.5
pyZ = 658
16.0 ~
pyZ = 816
20.0 ~
pyZ = 948
<>
for
7 8 9 10
3.91 3 2.38 1.93
4.09 3.14 2.49 2.02
4.71 3.62 2.87 2.33
5.37 4.12 3.27 2.65
8.02 6.17 4.9 3.98
8.43 6.48 5.14 4.18
9.88 7.6 6.03 4.9
11.5 8.85 7.02 5.7
13.1 10.1 7.97 6.48
14.3 11 8.73 7.1
15 11.6 9.2 7.48
17.8 13.7 10.9 8.87
21 16.2 12.8 10.4
24.3 18.7 14.9 12.1
27.6 21.3 16.9 13.7
26.8 20.7 16.4 13.4
34.6 26.7 21.2 17.2
40.6 31.3 24.9 20.2
47 36.2 28.8 23.4
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
<>
for
7 8 9 10
40.5 31.3 24.9 20.3
44.2 34.2 27.2 22.2
52.9 40.8 32.5 26.5
62.6 48.4 38.5 31.3
73.6 56.8 45.2 36.8
58.2 45.1 35.9 29.3
63.6 49.3 39.3 32
76 58.9 46.9 38.2
91.6 70.9 56.5 46.1
108 83.8 66.7 54.4
87.7 68.1 54.3 44.4
105 81.8 65.2 53.2
127 98.4 78.5 64.1
152 118 94 76.7
176 136 109 88.7
183 143 114 93.6
222 173 139 113
269 210 168 138
316 247 197 161
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
365 285 228 186
<>
for
11 12 13 14
125 106 90.7 78.6
153 129 111 96
185 157 134 117
220 186 159 138
257 218 187 162
153 130 112 96.8
188 160 137 119
230 195 167 145
273 231 198 172
322 272 234 202
376 319 273 237
186 158 136 118
229 194 167 145
280 238 204 177
334 284 243 211
395 335 288 250
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
<>
for
11 12 13 14
324 276 238 206
400 340 293 255
480 409 352 305
572 487 419 363
682 579 498 432
359 306 264 230
442 378 326 284
546 466 402 350
658 562 485 422
789 673 580 505
950 810 698 607
824 715 623 547
1030 889 775 679
1250 1080 942 826
1510 1310 1140 998
1850 1600 1390 1220
<>
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
for
11 12 13 14
1240 1120 1000 896
1620 1440 1280 1140
1990 1770 1570 1390
2430 2160 1910 1690
2990 2650 2340 2070
2210 2040 1860 1690
2770 2550 2320 2100
3390 3110 2820 2550
4250 3890 3530 3190
3490 3300 3090 2870
4300 4070 3810 3530
5410 5100 4760 4400
6440 6080 5670 5250
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
40x40 3.41 154 n/a 2.08 2.08 2.08 2.08 2.08 2.08 2.08 2.08
1 2.08 2.08 2.01 1.87 1.67 1.43 1.16 0.884
3.61 163 n/a 2.18 2.18 2.18 2.18 2.18 2.18 2.18 2.18
1 2.18 2.18 2.11 1.97 1.76 1.51 1.22 0.934
4.39 198 n/a 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52
1 2.52 2.52 2.5 2.33 2.09 1.79 1.46 1.12
5.28 239 n/a 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85
1 2.85 2.85 2.85 2.71 2.43 2.1 1.73 1.33
50x50 4.35 197 n/a 3.44 3.44 3.44 3.44 3.44 3.44 3.44 3.44
1 3.44 3.4 3.26 3.03 2.72 2.31 1.87 1.42
4.62 209 n/a 3.62 3.62 3.62 3.62 3.62 3.62 3.62 3.62
1 3.62 3.57 3.43 3.19 2.85 2.45 1.98 1.51
5.64 255 n/a 4.26 4.26 4.26 4.26 4.26 4.26 4.26 4.26
1 4.26 4.26 4.14 3.85 3.45 2.94 2.39 1.82
6.85 310 n/a 4.94 4.94 4.94 4.94 4.94 4.94 4.94 4.94
1 4.94 4.94 4.88 4.54 4.07 3.5 2.86 2.19
8.31 376 n/a 5.58 5.58 5.58 5.58 5.58 5.58 5.58 5.58
1 5.58 5.58 5.58 5.32 4.77 4.13 3.4 2.62
60x60 5.29 239 n/a 5.08 5.08 5.08 5.08 5.08 5.08 5.08 5.08
1 5.08 5.01 4.81 4.47 4 3.41 2.76 2.09
5.62 254 n/a 5.4 5.4 5.4 5.4 5.4 5.4 5.4 5.4
1 5.4 5.32 5.11 4.76 4.26 3.61 2.92 2.22
6.9 312 n/a 6.43 6.43 6.43 6.43 6.43 6.43 6.43 6.43
1 6.43 6.41 6.15 5.73 5.13 4.37 3.55 2.7
8.42 380 n/a 7.58 7.58 7.58 7.58 7.58 7.58 7.58 7.58
1 7.58 7.58 7.37 6.86 6.15 5.24 4.26 3.25
10.3 465 n/a 8.73 8.73 8.73 8.73 8.73 8.73 8.73 8.73
1 8.73 8.73 8.73 8.14 7.3 6.27 5.13 3.93
12.5 568 n/a 9.88 9.88 9.88 9.88 9.88 9.88 9.88 9.88
1 9.88 9.88 9.88 9.51 8.52 7.43 6.12 4.72
70x70 7.4 334 n/a 8.27 8.27 8.27 8.27 8.27 8.27 8.27 8.27
1 8.27 8.16 7.83 7.29 6.52 5.56 4.49 3.4
9.99 451 n/a 10.8 10.8 10.8 10.8 10.8 10.8 10.8 10.8
1 10.8 10.8 10.4 9.65 8.64 7.34 5.96 4.54
12.3 554 n/a 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7
1 12.7 12.7 12.4 11.6 10.4 8.84 7.21 5.51
15 682 n/a 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
1 14.6 14.6 14.6 13.7 12.3 10.6 8.7 6.68
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
3.0 Mc
Mr
3.2 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
3.0 Mc
Mr
3.2 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
3.0 Mc
Mr
3.2 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
3.6 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
80x80 8.53 386 n/a 11 11 11 11 11 11 11 11
1 11 10.9 10.4 9.7 8.68 7.37 5.95 4.5
9.41 426 n/a 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1
1 12.1 11.9 11.4 10.6 9.51 8.1 6.55 4.96
11.6 522 n/a 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
1 14.6 14.4 13.8 12.9 11.5 9.8 7.94 6.03
14.2 643 n/a 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3
1 17.3 17.3 16.7 15.6 14 11.9 9.65 7.36
17.5 795 n/a 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1
1 20.1 20.1 20 18.6 16.7 14.4 11.7 8.99
90x90 9.66 437 n/a 14.1 14.1 14.1 14.1 14.1 14.1 14.1 14.1
1 14.1 13.9 13.3 12.4 11.1 9.44 7.61 5.75
10.7 483 n/a 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5
1 15.5 15.3 14.7 13.6 12.2 10.4 8.39 6.35
13.1 593 n/a 18.8 18.8 18.8 18.8 18.8 18.8 18.8 18.8
1 18.8 18.6 17.8 16.6 14.9 12.6 10.2 7.74
16.2 735 n/a 22.6 22.6 22.6 22.6 22.6 22.6 22.6 22.6
1 22.6 22.5 21.6 20.1 18 15.4 12.5 9.51
20.1 909 n/a 26.7 26.7 26.7 26.7 26.7 26.7 26.7 26.7
1 26.7 26.7 26.1 24.3 21.7 18.7 15.2 11.6
100x100 11.9 540 n/a 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3
1 19.3 19.1 18.3 17 15.2 13 10.5 7.9
14.7 664 n/a 23.6 23.6 23.6 23.6 23.6 23.6 23.6 23.6
1 23.6 23.3 22.3 20.8 18.6 15.8 12.8 9.66
18.2 824 n/a 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6
1 28.6 28.3 27.2 25.3 22.7 19.3 15.7 11.9
22.6 1020 n/a 34 34 34 34 34 34 34 34
1 34 34 33 30.7 27.5 23.6 19.2 14.6
27.4 1240 n/a 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4
1 39.4 39.4 39 36.3 32.5 28 22.9 17.5
120x120 17.8 806 n/a 34.6 34.6 34.6 34.6 34.6 34.6 34.6 34.6
1 34.6 34.2 32.8 30.5 27.3 23.2 18.7 14.1
22.2 1000 n/a 42.6 42.6 42.6 42.6 42.6 42.6 42.6 42.6
1 42.6 42 40.4 37.6 33.6 28.5 23 17.5
27.6 1250 n/a 51.6 51.6 51.6 51.6 51.6 51.6 51.6 51.6
1 51.6 51.3 49.3 45.8 41 35 28.4 21.6
33.7 1520 n/a 60.5 60.5 60.5 60.5 60.5 60.5 60.5 60.5
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
3.6 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
3.6 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
1 60.5 60.5 58.9 54.8 49.1 42 34.2 26.1
40.9 1850 n/a 69.7 69.7 69.7 69.7 69.7 69.7 69.7 69.7
1 69.7 69.7 69.6 64.8 58.1 49.9 40.8 31.3
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
140x140 21 948 n/a 47.9 47.9 47.9 47.9 47.9 47.9 47.9 47.9
1 47.9 47.3 45.4 42.2 37.8 32 25.8 19.5
26.1 1180 n/a 58.9 58.9 58.9 58.9 58.9 58.9 58.9 58.9
1 58.9 58.1 55.8 51.9 46.4 39.5 31.9 24.2
32.6 1480 n/a 72.4 72.4 72.4 72.4 72.4 72.4 72.4 72.4
1 72.4 71.5 68.6 63.8 57.1 48.8 39.5 30
40 1810 n/a 86.1 86.1 86.1 86.1 86.1 86.1 86.1 86.1
1 86.1 86.1 82.7 77 68.9 58.8 47.8 36.4
48.7 2200 n/a 101 101 101 101 101 101 101 101
1 101 101 98.5 91.7 82.1 70.4 57.4 43.9
150x150 22.6 1020 n/a 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4
1 55.4 54.6 52.5 48.8 43.7 36.9 29.8 22.5
28.1 1270 n/a 68.2 68.2 68.2 68.2 68.2 68.2 68.2 68.2
1 68.2 67.3 64.5 60 53.7 45.7 36.9 27.9
35.1 1590 n/a 84.1 84.1 84.1 84.1 84.1 84.1 84.1 84.1
1 84.1 83 79.7 74.1 66.3 56.5 45.7 34.7
43.1 1950 n/a 101 101 101 101 101 101 101 101
1 101 100 96.2 89.5 80.1 68.3 55.4 42.1
52.7 2380 n/a 118 118 118 118 118 118 118 118
1 118 118 115 107 95.8 82.1 66.8 51
65.2 2950 n/a 138 138 138 138 138 138 138 138
1 138 138 138 129 115 99.1 81.1 62.2
160x160 24.1 1090 1 61.9 61.9 61.9 61.9 61.9 61.9 61.9 61.9
0 - - - - - - - -
30.1 1360 n/a 78.1 78.1 78.1 78.1 78.1 78.1 78.1 78.1
1 78.1 77.1 74 68.8 61.6 52.3 42.2 31.9
37.6 1700 n/a 96.6 96.6 96.6 96.6 96.6 96.6 96.6 96.6
1 96.6 95.3 91.4 85.1 76.1 64.8 52.4 39.7
46.3 2090 n/a 116 116 116 116 116 116 116 116
1 116 115 111 103 92.2 78.5 63.6 48.3
56.6 2560 n/a 137 137 137 137 137 137 137 137
1 137 137 133 124 111 94.6 76.9 58.6
Mr
12.5 Mc
Mr
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
180x180 34 1540 n/a 99.8 99.8 99.8 99.8 99.8 99.8 99.8 99.8
1 99.8 98.4 94.5 87.9 78.6 66.8 53.8 40.6
42.7 1930 n/a 124 124 124 124 124 124 124 124
1 124 122 117 109 97.6 83.1 67.1 50.8
52.5 2370 n/a 151 151 151 151 151 151 151 151
1 151 149 143 133 119 101 81.8 62
64.4 2910 n/a 179 179 179 179 179 179 179 179
1 179 179 172 160 143 122 99.2 75.5
80.2 3630 n/a 213 213 213 213 213 213 213 213
1 213 213 209 194 174 149 122 92.9
200x200 30.4 1370*
84.3 84.3 84.3 84.3 84.3 84.3 84.3 84.3
- - - - - - - -
38 1720 1 122 122 122 122 122 122 122 122
0 - - - - - - - -
47.7 2160 n/a 155 155 155 155 155 155 155 155
1 155 153 147 136 122 104 83.6 63.2
58.8 2660 n/a 189 189 189 189 189 189 189 189
1 189 186 179 166 149 126 102 77.4
72.3 3270 n/a 227 227 227 227 227 227 227 227
1 227 225 216 201 180 153 124 94.5
90.3 4080 n/a 272 272 272 272 272 272 272 272
1 272 272 264 246 220 188 153 117
250x250 47.9 2170*
167 167 167 167 167 167 167 167
- - - - - - - -
60.3 2730 1 246 246 246 246 246 246 246 246
0 - - - - - - - -
74.5 3370 n/a 302 302 302 302 302 302 302 302
1 302 298 286 266 238 202 163 123
91.9 4160 n/a 368 368 368 368 368 368 368 368
1 368 363 349 324 290 247 200 151
115 5220 n/a 452 452 452 452 452 452 452 452
1 452 448 430 400 359 306 248 188
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>SQUARE HOLLOW SECTIONS
HOT-FINISHED CELSIUS
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
HOT-FINISHED CELSIUS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
300x300 57.8 2610*
218 218 218 218 218 218 218 155
- - - - - - - -
72.8 3290 1 315 315 315 315 315 315 315 315
0 - - - - - - - -
90.2 4080 n/a 442 442 442 442 442 442 442 442
1 442 436 419 390 349 296 238 180
112 5040 n/a 541 541 541 541 541 541 541 541
1 541 534 513 477 427 363 293 221
141 6350 n/a 673 673 673 673 673 673 673 673
1 673 664 637 593 531 452 365 277
350x350 85.4 3870*
394 394 394 394 394 394 394 394
- - - - - - - -
106 4790 1 559 559 559 559 559 559 559 559
0 - - - - - - - -
131 5930 n/a 748 748 748 748 748 748 748 748
1 748 738 708 659 590 500 403 305
166 7490 n/a 934 934 934 934 934 934 934 934
1 934 921 884 823 736 626 505 383
400x400 122 5500*
675 675 675 675 675 675 675 675
- - - - - - - -
151 6820 1 968 968 968 968 968 968 968 968
0 - - - - - - - -
191 8630 n/a 1240 1240 1240 1240 1240 1240 1240 1240
1 1240 1220 1170 1090 975 829 668 505
235 10400 n/a 1470 1470 1470 1470 1470 1470 1470 1470
1 1470 1450 1390 1290 1150 984 795 603
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
20.0 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6
2.08 2.08 2.08 40x40 1 122 74 44.6 29.4 20.7 15.3 11.8 7.64 5.34
0.598 0.304 0
2.18 2.18 2.18 1 128 77.6 46.7 30.7 21.7 16.1 12.4 7.99 5.58
0.633 0.321 0
2.52 2.52 2.52 1 153 90.1 54 35.4 25 18.5 14.3 9.21 6.43
0.763 0.389 0
2.85 2.85 2.85 1 179 104 61.7 40.4 28.5 21.1 16.3 10.5 7.32
0.91 0.466 0
3.44 3.44 3.44 50x50 1 174 133 87.5 58.9 41.9 31.3 24.2 15.7 11
0.96 0.486 0
3.62 3.62 3.62 1 184 141 92.1 62 44.1 32.8 25.4 16.4 11.5
1.02 0.515 0
4.26 4.26 4.26 1 224 168 109 72.8 51.8 38.6 29.8 19.3 13.5
1.24 0.628 0
4.94 4.94 4.94 1 270 198 127 85 60.3 44.9 34.7 22.5 15.7
1.49 0.76 0
5.58 5.58 5.58 1 324 230 145 96.9 68.7 51.1 39.5 25.5 17.9
1.79 0.918 0
5.08 5.08 5.08 60x60 1 222 193 144 101 73.3 55.1 42.7 27.8 19.5
1.41 0.711 0
5.4 5.4 5.4 1 235 204 152 107 77.3 58 45 29.3 20.5
1.49 0.755 0
6.43 6.43 6.43 1 288 248 182 127 91.9 68.9 53.5 34.8 24.4
1.82 0.924 0
7.58 7.58 7.58 1 349 298 216 150 108 81.1 62.9 40.9 28.7
2.21 1.12 0
8.73 8.73 8.73 1 425 357 254 175 126 94.3 73.1 47.5 33.3
2.68 1.37 0
9.88 9.88 9.88 1 515 422 293 200 143 107 83 53.9 37.8
3.23 1.66 0
8.27 8.27 8.27 70x70 1 316 290 241 181 134 102 79.6 52.1 36.6
2.29 1.16 0
10.8 10.8 10.8 1 425 388 318 236 174 132 103 67.3 47.3
3.07 1.56 0
12.7 12.7 12.7 1 521 472 381 280 206 155 121 79 55.5
3.74 1.9 0
14.6 14.6 14.6 1 638 572 452 327 239 180 140 91.5 64.3
4.56 2.33 0
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
3.0
pyZ = 1.74
3.2
pyZ = 1.81
4.0
pyZ = 2.1
5.0
pyZ = 2.37
3.0
pyZ = 2.87
3.2
pyZ = 3.01
4.0
pyZ = 3.55
5.0
pyZ = 4.12
6.3
pyZ = 4.65
3.0
pyZ = 4.3
3.2
pyZ = 4.51
4.0
pyZ = 5.36
5.0
pyZ = 6.32
6.3
pyZ = 7.28
8.0
pyZ = 8.24
3.6
pyZ = 6.96
5.0
pyZ = 8.98
6.3
pyZ = 10.5
8.0
pyZ = 12.1
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 1 1.5 2 2.5 3 3.5 4 5 6
11 11 11 80x80 1 370 349 311 254 196 152 119 78.7 55.5
3.03 1.53 0
12.1 12.1 12.1 1 409 385 343 279 215 166 130 85.9 60.6
3.34 1.69 0
14.6 14.6 14.6 1 500 470 416 336 258 198 156 103 72.4
4.07 2.06 0
17.3 17.3 17.3 1 615 576 506 403 307 236 185 122 85.7
4.98 2.53 0
20.1 20.1 20.1 1 759 707 613 481 363 278 218 143 101
6.11 3.12 0
14.1 14.1 14.1 90x90 1 424 405 376 328 267 212 169 112 79.7
3.87 1.95 0
15.5 15.5 15.5 1 468 447 414 360 293 232 185 123 87.2
4.27 2.15 0
18.8 18.8 18.8 1 574 548 506 437 353 278 221 147 104
5.22 2.64 0
22.6 22.6 22.6 1 711 677 623 534 428 337 267 177 126
6.43 3.26 0
26.7 26.7 26.7 1 878 834 761 645 511 400 317 210 148
7.9 4.02 0
19.3 19.3 19.3 100x100 1 527 508 481 437 375 308 250 169 120
5.31 2.68 0
23.6 23.6 23.6 1 648 624 589 534 455 372 301 203 144
6.51 3.29 0
28.6 28.6 28.6 1 803 773 728 656 555 450 363 244 174
8.03 4.07 0
34 34 34 1 996 957 898 803 674 544 437 293 208
9.9 5.03 0
39.4 39.4 39.4 1 1200 1160 1080 956 792 634 508 340 241
11.9 6.07 0
34.6 34.6 34.6 120x120 1 795 774 747 709 652 576 491 347 251
9.51 4.8 0
42.6 42.6 42.6 1 987 961 926 877 804 706 599 421 304
11.8 5.94 0
51.6 51.6 51.6 1 1230 1200 1150 1090 993 867 732 512 369
14.6 7.4 0
60.5 60.5 60.5 1 1500 1460 1400 1320 1190 1030 867 603 434
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
3.6
pyZ = 9.3
4.0
pyZ = 10.2
5.0
pyZ = 12.1
6.3
pyZ = 14.4
8.0
pyZ = 16.8
3.6
pyZ = 12.0
4.0
pyZ = 13.1
5.0
pyZ = 15.8
6.3
pyZ = 18.8
8.0
pyZ = 22.2
4.0
pyZ = 16.5
5.0
pyZ = 19.8
6.3
pyZ = 23.8
8.0
pyZ = 28.4
10.0
pyZ = 32.8
5.0
pyZ = 29.5
6.3
pyZ = 35.5
8.0
pyZ = 43.0
10.0
17.7 8.99 0
69.7 69.7 69.7 1 1820 1760 1690 1580 1420 1210 1010 698 501
21.3 10.9 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10
47.9 47.9 47.9 140x140 1 899 828 696 529 393 299 234 187 153
13.1 6.59 0
58.9 58.9 58.9 1 1120 1030 859 649 481 366 285 228 187
16.3 8.2 0
72.4 72.4 72.4 1 1400 1280 1060 792 586 444 347 277 227
20.2 10.2 0
86.1 86.1 86.1 1 1700 1550 1270 944 696 527 411 329 269
24.6 12.5 0
101 101 101 1 2070 1880 1520 1110 818 619 482 385 315
29.8 15.2 0
55.4 55.4 55.4 150x150 1 974 910 794 628 476 365 286 230 188
15.1 7.59 0
68.2 68.2 68.2 1 1210 1130 984 774 586 448 351 282 231
18.7 9.45 0
84.1 84.1 84.1 1 1520 1410 1220 950 716 547 429 344 281
23.4 11.8 0
101 101 101 1 1850 1720 1470 1140 855 652 510 409 334
28.5 14.4 0
118 118 118 1 2260 2090 1770 1350 1010 769 601 481 394
34.6 17.6 0
138 138 138 1 2790 2560 2130 1600 1190 902 704 563 461
42.4 21.6 0
61.9 61.9 61.9 160x160 1 1050 990 888 731 568 439 346 279 229
- - -
78.1 78.1 78.1 1 1310 1230 1100 903 699 541 426 342 281
21.4 10.8 0
96.6 96.6 96.6 1 1640 1540 1370 1110 859 662 521 419 343
26.7 13.5 0
116 116 116 1 2000 1880 1670 1340 1030 792 623 500 410
32.6 16.5 0
137 137 137 1 2450 2290 2010 1610 1220 939 737 592 485
39.7 20.2 0
pyZ = 50.4
12.5
pyZ = 58.1
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
5.0
pyZ = 40.8
6.3
pyZ = 50.1
8.0
pyZ = 60.7
10.0
pyZ = 71.7
12.5
pyZ = 83.8
5.0
pyZ = 47.6
6.3
pyZ = 57.9
8.0
pyZ = 70.6
10.0
pyZ = 83.8
12.5
pyZ = 98.3
16.0
pyZ = 115
5.0
pyZ = 54.3
6.3
pyZ = 66.4
8.0
pyZ = 81.3
10.0
pyZ = 96.9
12.5
pyZ = 114
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10
99.8 99.8 99.8 180x180 1 1490 1430 1320 1160 945 751 599 485 399
27.3 13.7 0
124 124 124 1 1870 1790 1660 1440 1170 928 739 598 492
34.2 17.2 0
151 151 151 1 2300 2200 2030 1750 1420 1120 888 718 591
41.8 21.1 0
179 179 179 1 2820 2690 2470 2120 1700 1330 1060 856 704
51 25.9 0
213 213 213 1 3500 3330 3040 2570 2040 1600 1260 1020 838
63 32.1 0
84.3 84.3 $ 200x200*
1280 1240 1180 1090 950 791 648 531 441
- - -
122 122 122 1 1680 1620 1540 1400 1210 993 807 660 546
- - -
155 155 155 1 2110 2030 1920 1750 1500 1230 997 814 673
42.5 21.4 0
189 189 189 1 2600 2500 2360 2140 1820 1490 1200 982 812
52.1 26.3 0
227 227 227 1 3190 3070 2890 2600 2210 1790 1450 1180 973
63.8 32.3 0
272 272 272 1 3980 3820 3590 3210 2690 2170 1740 1420 1170
79.1 40.2 0
167 167 $ 250x250*
2060 2010 1950 1870 1760 1600 1400 1200 1020
- - -
246 246 246 1 2700 2630 2550 2440 2270 2050 1780 1510 1280
- - -
302 302 302 1 3330 3250 3140 3000 2790 2510 2170 1840 1560
82.9 41.8 0
368 368 368 1 4110 4000 3870 3690 3430 3060 2640 2230 1890
102 51.5 0
452 452 452 1 5150 5020 4850 4610 4260 3780 3240 2730 2300
127 64.4 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
SQUARE HOLLOW SECTIONS
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
6.3
pyZ = 85.6
8.0
pyZ = 105
10.0
pyZ = 126
12.5
pyZ = 149
16.0
pyZ = 178
5.0
pyZ = 87.0
6.3
pyZ = 107
8.0
pyZ = 132
10.0
pyZ = 159
12.5
pyZ = 190
16.0
pyZ = 227
6.3
pyZ = 171
8.0
pyZ = 212
10.0
pyZ = 257
12.5
pyZ = 310
16.0
pyZ = 377
HOT-FINISHED CELSIUS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.8 0.9 1 mm mm 2 3 4 5 6 7 8 9 10
$ $ $ 300x300*
2080 2050 2010 1970 1920 1850 1750 1640 1500
- - -
315 315 315 1 3280 3220 3150 3060 2950 2790 2580 2330 2050
- - -
442 442 442 1 4060 3990 3900 3790 3640 3440 3180 2860 2510
121 60.8 0
541 541 541 1 5020 4930 4820 4680 4490 4240 3900 3500 3070
149 75 0
673 673 673 1 6320 6200 6060 5870 5630 5300 4850 4320 3780
187 94.3 0
320 $ $ 350x350*
3370 3330 3280 3220 3150 3060 2960 2820 2640
- - -
559 559 559 1 4790 4730 4640 4550 4440 4290 4100 3850 3550
- - -
748 748 748 1 5930 5840 5740 5620 5470 5290 5040 4720 4340
205 103 0
934 934 934 1 7490 7380 7250 7090 6910 6660 6350 5940 5440
257 130 0
675 675 $ 400x400*
5250 5210 5140 5060 4970 4860 4730 4560 4350
- - -
968 968 968 1 6820 6760 6660 6550 6430 6280 6090 5860 5560
- - -
1240 1240 1240 1 8630 8550 8430 8290 8120 7930 7680 7370 6980
340 171 0
1470 1470 1470 1 10300 10300 10100 9940 9740 9500 9210 8830 8370
406 205 0
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
6.3
pyZ = 250
8.0
pyZ = 311
10.0
pyZ = 379
12.5
pyZ = 460
16.0
pyZ = 564
8.0
pyZ = 428
10.0
pyZ = 525
12.5
pyZ = 640
16.0
pyZ = 790
10.0
pyZ = 694
12.5
pyZ = 849
16.0
pyZ = 1050
20.0
pyZ = 1230
<>
for
7 8 9 10
3.94 3.02 2.39 1.94
4.12 3.16 2.5 2.03
4.74 3.64 2.88 2.34
5.4 4.15 3.28 2.66
8.09 6.22 4.93 4
8.5 6.53 5.18 4.2
9.97 7.66 6.07 4.93
11.6 8.91 7.06 5.73
13.2 10.1 8.02 6.51
14.4 11.1 8.8 7.15
15.2 11.7 9.27 7.53
18 13.9 11 8.93
21.2 16.3 12.9 10.5
24.6 18.9 15 12.2
27.9 21.5 17 13.8
27.1 20.9 16.6 13.5
35 27 21.4 17.4
41.1 31.7 25.1 20.4
47.6 36.6 29.1 23.6
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
<>
for
7 8 9 10
41.2 31.8 25.2 20.5
45 34.7 27.5 22.4
53.7 41.4 32.9 26.7
63.6 49 38.9 31.7
74.7 57.5 45.7 37.1
59.3 45.8 36.4 29.6
64.8 50.1 39.8 32.4
77.4 59.8 47.5 38.7
93.3 72 57.3 46.6
110 85 67.6 55
89.7 69.4 55.2 45
108 83.2 66.2 53.9
130 100 79.7 64.9
155 120 95.4 77.7
179 139 110 89.8
188 146 117 95.2
228 177 141 115
277 215 171 140
325 252 201 164
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
375 291 232 189
<>
for
11 12 13 14
127 108 92.1 79.7
155 131 112 97.3
189 159 136 118
223 189 162 140
262 221 189 164
157 132 113 98.2
192 163 139 121
234 198 170 147
279 235 202 175
328 277 237 205
383 324 277 240
191 161 138 120
234 198 170 147
286 242 208 180
342 289 248 214
404 342 293 253
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
<>
for
11 12 13 14
334 283 243 210
411 349 299 259
494 418 359 311
588 498 427 370
699 592 508 440
370 315 271 235
458 389 335 290
565 480 412 358
681 578 497 431
815 692 594 516
981 832 714 620
871 747 647 564
1090 933 806 703
1320 1130 980 854
1600 1370 1180 1030
1950 1670 1440 1250
<>
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
for
11 12 13 14
1340 1190 1060 935
1790 1560 1360 1200
2190 1910 1660 1460
2670 2320 2030 1780
3280 2840 2480 2170
2440 2210 1990 1790
3220 2880 2560 2280
3910 3490 3100 2750
4900 4360 3870 3430
4100 3800 3490 3170
5200 4790 4370 3950
6510 5980 5430 4900
7800 7170 6520 5880
Compression Resistance Pc (kN)
(m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
26.9 1.87 65.5 0.419 0.419 0.419 0.419 0.419 0.419 0.419 0.419 0.419
0.419 0.419 0.419 0.419 0.403 0.352 0.293 0.226 0.154
42.4 3.09 108 1.18 1.18 1.18 1.18 1.18 1.18 1.18 1.18 1.18
1.18 1.18 1.18 1.18 1.1 0.959 0.797 0.615 0.419
48.3 3.56 125 1.58 1.58 1.58 1.58 1.58 1.58 1.58 1.58 1.58
1.58 1.58 1.58 1.58 1.45 1.27 1.05 0.814 0.554
4.37 153 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88
1.88 1.88 1.88 1.88 1.75 1.53 1.27 0.983 0.669
5.34 187 2.21 2.21 2.21 2.21 2.21 2.21 2.21 2.21 2.21
2.21 2.21 2.21 2.21 2.1 1.83 1.52 1.18 0.801
60.3 4.51 158 2.57 2.57 2.57 2.57 2.57 2.57 2.57 2.57 2.57
2.57 2.57 2.57 2.55 2.31 2.02 1.68 1.3 0.884
6.82 239 3.66 3.66 3.66 3.66 3.66 3.66 3.66 3.66 3.66
3.66 3.66 3.66 3.66 3.4 2.98 2.47 1.91 1.3
76.1 5.24 183 3.89 3.89 3.89 3.89 3.89 3.89 3.89 3.89 3.89
3.89 3.89 3.89 3.8 3.45 3.01 2.51 1.94 1.32
5.75 202 4.22 4.22 4.22 4.22 4.22 4.22 4.22 4.22 4.22
4.22 4.22 4.22 4.17 3.78 3.31 2.75 2.12 1.44
7.11 249 5.12 5.12 5.12 5.12 5.12 5.12 5.12 5.12 5.12
5.12 5.12 5.12 5.1 4.63 4.04 3.36 2.6 1.77
8.77 307 6.14 6.14 6.14 6.14 6.14 6.14 6.14 6.14 6.14
6.14 6.14 6.14 6.14 5.63 4.92 4.09 3.16 2.15
88.9 6.76 237 5.87 5.87 5.87 5.87 5.87 5.87 5.87 5.87 5.87
5.87 5.87 5.87 5.76 5.23 4.57 3.8 2.93 2
8.38 294 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16
7.16 7.16 7.16 7.08 6.43 5.62 4.67 3.61 2.46
10.4 363 8.65 8.65 8.65 8.65 8.65 8.65 8.65 8.65 8.65
8.65 8.65 8.65 8.62 7.83 6.84 5.69 4.39 2.99
12.8 448 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4 10.4
10.4 10.4 10.4 10.4 9.59 8.38 6.97 5.38 3.66
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
HOT-FINISHED CELSIUS
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
3.2 ~ Mc
Mr
3.2 ~ Mc
Mr
3.2 ~ Mc
Mr
4.0 ~ Mc
Mr
5.0 ~ Mc
Mr
3.2 ~ Mc
Mr
5.0 ~ Mc
Mr
2.9 Mc
Mr
3.2 ~ Mc
Mr
4.0 ~ Mc
Mr
5.0 ~ Mc
Mr
3.2 ~ Mc
Mr
4.0 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
HOT-FINISHED CELSIUS
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
114.3 8.77 308 9.97 9.97 9.97 9.97 9.97 9.97 9.97 9.97 9.97
9.97 9.97 9.97 9.68 8.79 7.68 6.38 4.93 3.36
9.83 344 11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.1
11.1 11.1 11.1 10.8 9.81 8.58 7.13 5.51 3.75
13.5 473 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9
14.9 14.9 14.9 14.7 13.3 11.6 9.67 7.47 5.08
16.8 589 18.1 18.1 18.1 18.1 18.1 18.1 18.1 18.1 18.1
18.1 18.1 18.1 18 16.4 14.3 11.9 9.19 6.25
139.7 16.6 583 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7
22.7 22.7 22.7 22.2 20.2 17.7 14.7 11.3 7.72
20.7 726 27.8 27.8 27.8 27.8 27.8 27.8 27.8 27.8 27.8
27.8 27.8 27.8 27.5 25 21.8 18.1 14 9.53
26 910 34 34 34 34 34 34 34 34 34
34 34 34 34 30.9 27 22.5 17.3 11.8
32 1120 40.7 40.7 40.7 40.7 40.7 40.7 40.7 40.7 40.7
40.7 40.7 40.7 40.7 37.5 32.8 27.3 21 14.3
168.3 20.1 707 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7 33.7
33.7 33.7 33.7 32.6 29.6 25.9 21.5 16.6 11.3
25.2 883 41.3 41.3 41.3 41.3 41.3 41.3 41.3 41.3 41.3
41.3 41.3 41.3 40.4 36.7 32.1 26.7 20.6 14
31.6 1110 50.8 50.8 50.8 50.8 50.8 50.8 50.8 50.8 50.8
50.8 50.8 50.8 50.5 45.8 40.1 33.3 25.7 17.5
39 1370 61.4 61.4 61.4 61.4 61.4 61.4 61.4 61.4 61.4
61.4 61.4 61.4 61.4 55.8 48.8 40.6 31.3 21.3
193.7 23.3 814 44.9 44.9 44.9 44.9 44.9 44.9 44.9 44.9 44.9
44.9 44.9 44.9 43.6 39.6 34.6 28.8 22.2 15.1
29.1 1020 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4 55.4
55.4 55.4 55.4 54.2 49.2 43 35.7 27.6 18.8
36.6 1280 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6
68.6 68.6 68.6 67.6 61.4 53.7 44.6 34.5 23.5
45.3 1590 83.2 83.2 83.2 83.2 83.2 83.2 83.2 83.2 83.2
83.2 83.2 83.2 82.8 75.2 65.7 54.6 42.2 28.7
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
3.2 ~ Mc
Mr
3.6 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
HOT-FINISHED CELSIUS
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
219.1 26.4 924 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1 58.1
58.1 58.1 58.1 56.1 50.9 44.5 37 28.6 19.5
33.1 1160 71.9 71.9 71.9 71.9 71.9 71.9 71.9 71.9 71.9
71.9 71.9 71.9 69.8 63.4 55.4 46.1 35.6 24.2
41.6 1460 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1 89.1
89.1 89.1 89.1 87.5 79.4 69.4 57.7 44.6 30.3
51.6 1810 108 108 108 108 108 108 108 108 108
108 108 108 107 97.4 85.2 70.8 54.7 37.2
63.7 2230 131 131 131 131 131 131 131 131 131
131 131 131 131 119 104 86.3 66.7 45.4
244.5 68.8 2410 160 160 160 160 160 160 160 160 160
160 160 160 159 144 126 105 81 55.2
273 33 1160 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4 91.4
- - - - - - - - -
41.4 1450 114 114 114 114 114 114 114 114 114
114 114 114 110 99.7 87.1 72.4 55.9 38.1
52.3 1830 142 142 142 142 142 142 142 142 142
142 142 142 138 125 109 90.8 70.2 47.8
64.9 2270 173 173 173 173 173 173 173 173 173
173 173 173 170 154 135 112 86.4 58.8
80.3 2810 210 210 210 210 210 210 210 210 210
210 210 210 208 189 165 137 106 72.1
101 3550 259 259 259 259 259 259 259 259 259
259 259 259 259 235 206 171 132 89.9
323.9 49.3 1730 162 162 162 162 162 162 162 162 162
- - - - - - - - -
62.3 2180 202 202 202 202 202 202 202 202 202
202 202 202 196 178 155 129 99.8 67.9
77.4 2710 248 248 248 248 248 248 248 248 248
248 248 248 242 219 192 159 123 83.8
96 3360 303 303 303 303 303 303 303 303 303
303 303 303 297 270 236 196 151 103
122 4260 375 375 375 375 375 375 375 375 375
375 375 375 372 338 295 245 190 129
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Mass Axial load
per Capacity for
D t Metre
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
5.0 ~ Mc
Mr
6.3 ~ Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
12.0 ~ Mc
Mr
5.0 ~ ¢Mc
Mr
6.3 Mc
Mr
8.0 ~ Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 ~ Mc
Mr
6.3 ~ ¢Mc
Mr
8.0 ~ Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
16.0 Mc
Mr
HOT-FINISHED CELSIUS
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
406.4 62.2 2180 257 257 257 257 257 257 257 257 257
- - - - - - - - -
78.6 2750 323 323 323 323 323 323 323 323 323
- - - - - - - - -
97.8 3440 398 398 398 398 398 398 398 398 398
398 398 398 385 350 306 254 196 134
121 4260 488 488 488 488 488 488 488 488 488
488 488 488 475 432 377 314 242 165
154 5390 608 608 608 608 608 608 608 608 608
608 608 608 598 543 474 394 305 207
457 88.6 3100 411 411 411 411 411 411 411 411 411
- - - - - - - - -
110 3850 507 507 507 507 507 507 507 507 507
507 507 507 490 445 389 323 249 170
137 4810 623 623 623 623 623 623 623 623 623
623 623 623 605 550 480 399 308 210
174 6110 780 780 780 780 780 780 780 780 780
780 780 780 763 693 605 503 389 265
508 98.6 3460 510 510 510 510 510 510 510 510 510
- - - - - - - - -
123 4290 630 630 630 630 630 630 630 630 630
- - - - - - - - -
153 5360 777 777 777 777 777 777 777 777 777
777 777 777 752 683 597 496 383 261
194 6790 973 973 973 973 973 973 973 973 973
973 973 973 949 862 753 626 484 329
241 8140 1140 1140 1140 1140 1140 1140 1140 1140 1140
1140 1140 1140 1130 1020 893 742 573 390
F/Pz
6.3 ~ ¢Mc
Mr
8.0 ~ ¢Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
16.0 Mc
Mr
8.0 ~ ¢Mc
Mr
10.0 ~ Mc
Mr
12.5 ~ Mc
Mr
16.0 Mc
Mr
8.0 ~ ¢Mc
Mr
10.0 ~ ¢Mc
Mr
12.5 Mc
Mr
16.0 ~ Mc
Mr
20.0 ~ Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6
0.419 0.419 26.9 1.87 28.9 14 8.08 5.25 3.68 2.72 2.09 1.35 0.938
0.078 0
1.18 1.18 42.4 3.09 86.6 55.4 34 22.5 15.9 11.8 9.15 5.92 4.14
0.212 0
1.58 1.58 48.3 3.56 107 77.8 50.1 33.7 24 17.9 13.8 8.96 6.27
0.28 0
1.88 1.88 4.37 130 93.3 59.7 40 28.4 21.2 16.4 10.6 7.43
0.339 0
2.21 2.21 5.34 158 111 70.5 47.1 33.4 24.9 19.3 12.5 8.73
0.405 0
2.57 2.57 60.3 4.51 144 124 91.6 64.6 46.8 35.2 27.4 17.8 12.5
0.447 0
3.66 3.66 6.82 217 183 133 92.9 67.1 50.4 39.1 25.5 17.9
0.658 0
3.89 3.89 76.1 5.24 174 161 140 110 83.9 64.5 50.7 33.4 23.6
0.667 0
4.22 4.22 5.75 191 177 153 121 91.6 70.3 55.3 36.4 25.7
0.731 0
5.12 5.12 7.11 236 218 187 147 111 85.2 66.9 44 31.1
0.895 0
6.14 6.14 8.77 291 268 229 178 134 103 80.7 53.1 37.4
1.09 0
5.87 5.87 88.9 6.76 229 217 199 170 138 109 86.8 57.9 41.1
1.01 0
7.16 7.16 8.38 284 269 245 210 168 133 106 70.6 50.1
1.24 0
8.65 8.65 10.4 349 331 301 256 205 161 128 85.5 60.6
1.51 0
10.4 10.4 12.8 431 407 369 312 248 195 155 103 72.9
1.85 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
3.2 ~
pyZ = 0.349
3.2 ~
pyZ = 0.987
3.2 ~
pyZ = 1.32
4.0 ~
pyZ = 1.57
5.0 ~
pyZ = 1.84
3.2 ~
pyZ = 2.14
5.0 ~
pyZ = 3.05
2.9
pyZ = 3.25
3.2 ~
pyZ = 3.52
4.0 ~
pyZ = 4.26
5.0 ~
pyZ = 5.12
3.2 ~
pyZ = 4.9
4.0 ~
pyZ = 5.97
5.0 ~
pyZ = 7.21
6.3 ~
pyZ = 8.66
HOT-FINISHED CELSIUS
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6
9.97 9.97 114.3 8.77 303 293 280 262 237 205 172 120 86.9
1.7 0
11.1 11.1 9.83 338 327 313 292 263 228 191 134 96.5
1.9 0
14.9 14.9 13.5 464 449 429 400 359 309 258 180 130
2.57 0
18.1 18.1 16.8 577 558 532 495 442 378 315 219 158
3.17 0
22.7 22.7 139.7 16.6 578 564 548 527 499 460 413 312 232
3.91 0
27.8 27.8 20.7 720 702 681 655 618 569 509 382 284
4.83 0
34 34 26 902 880 853 818 771 707 629 470 348
5.98 0
40.7 40.7 32 1110 1080 1050 1000 943 862 763 566 419
7.25 0
33.7 33.7 168.3 20.1 707 693 679 661 640 613 578 485 383
5.72 0
41.3 41.3 25.2 882 866 847 825 798 763 719 600 473
7.1 0
50.8 50.8 31.6 1110 1090 1060 1030 999 955 897 744 584
8.86 0
61.4 61.4 39 1360 1340 1310 1270 1230 1170 1100 907 709
10.8 0
44.9 44.9 193.7 23.3 814 805 791 775 757 736 708 633 534
7.66 0
55.4 55.4 29.1 1020 1010 991 971 948 921 886 791 665
9.51 0
68.6 68.6 36.6 1280 1270 1250 1220 1190 1160 1110 989 828
11.9 0
83.2 83.2 45.3 1590 1570 1540 1510 1470 1420 1370 1210 1010
14.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
3.2 ~
pyZ = 8.31
3.6
pyZ = 9.24
5.0
pyZ = 12.4
6.3
pyZ = 15.0
5.0
pyZ = 18.9
6.3
pyZ = 23.2
8.0 ~
pyZ = 28.4
10.0 ~
pyZ = 33.9
5.0 ~
pyZ = 28.1
6.3 ~
pyZ = 34.4
8.0 ~
pyZ = 42.4
10.0 ~
pyZ = 51.2
5.0 ~
pyZ = 37.4
6.3 ~
pyZ = 46.2
8.0 ~
pyZ = 57.2
10.0 ~
pyZ = 69.3
HOT-FINISHED CELSIUS
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10
58.1 58.1 219.1 26.4 906 875 834 774 689 587 488 405 338
9.85 0
71.9 71.9 33.1 1130 1100 1040 967 859 730 607 503 419
12.3 0
89.1 89.1 41.6 1430 1380 1310 1220 1080 912 756 626 522
15.4 0
108 108 51.6 1770 1710 1620 1500 1320 1110 922 762 635
18.8 0
131 131 63.7 2180 2100 2000 1840 1610 1360 1120 923 769
23 0
160 160 244.5 68.8 2370 2300 2210 2090 1910 1680 1440 1210 1020
27.9 0
91.4 91.4 273 33 1150 1120 1090 1040 988 910 814 711 613
- -
114 114 41.4 1440 1400 1360 1310 1240 1140 1020 886 763
19.3 0
142 142 52.3 1820 1770 1720 1650 1550 1430 1270 1110 953
24.2 0
173 173 64.9 2250 2190 2130 2040 1920 1760 1570 1360 1170
29.8 0
210 210 80.3 2790 2720 2630 2520 2370 2170 1920 1670 1430
36.5 0
259 259 101 3520 3430 3320 3170 2980 2710 2390 2070 1770
45.5 0
162 162 323.9 49.3 1730 1690 1660 1610 1560 1480 1390 1270 1150
- -
202 202 62.3 2180 2140 2090 2030 1960 1870 1750 1610 1450
34.4 0
248 248 77.4 2710 2650 2590 2520 2430 2320 2170 1980 1780
42.4 0
303 303 96 3360 3290 3210 3120 3010 2860 2670 2440 2180
52.2 0
375 375 122 4250 4160 4060 3950 3800 3610 3360 3060 2730
65.3 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation Mass
for and Capacities per for
D t Metre
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
5.0 ~
pyZ = 48.4
6.3 ~
pyZ = 60.0
8.0 ~
pyZ = 74.3
10.0 ~
pyZ = 90.2
12.5 ~
pyZ = 109
12.0 ~
pyZ = 134
5.0 ~
pyZ = 76.2
6.3
pyZ = 94.6
8.0 ~
pyZ = 118
10.0
pyZ = 144
12.5
pyZ = 175
16.0 ~
pyZ = 216
6.3 ~
pyZ = 135
8.0 ~
pyZ = 168
10.0 ~
pyZ = 207
12.5 ~
pyZ = 252
16.0
pyZ = 312
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10
257 257 406.4 62.2 2180 2160 2120 2090 2040 1990 1930 1850 1760
- -
323 323 78.6 2750 2730 2690 2640 2580 2520 2440 2340 2220
- -
398 398 97.8 3440 3410 3350 3290 3220 3140 3040 2910 2760
67.6 0
488 488 121 4260 4220 4150 4080 3990 3890 3760 3600 3410
83.5 0
608 608 154 5390 5340 5250 5150 5040 4910 4740 4540 4290
105 0
411 411 457 88.6 3100 3090 3050 3000 2950 2900 2830 2750 2650
- -
507 507 110 3850 3840 3780 3730 3660 3590 3510 3410 3280
86 0
623 623 137 4810 4790 4730 4650 4570 4480 4380 4250 4090
106 0
780 780 174 6110 6080 5990 5900 5800 5680 5540 5380 5180
134 0
510 510 508 98.6 3460 3460 3420 3370 3330 3270 3210 3150 3060
- -
630 630 123 4290 4290 4240 4180 4130 4060 3980 3900 3800
- -
777 777 153 5360 5360 5300 5230 5150 5070 4980 4870 4740
132 0
973 973 194 6790 6790 6710 6620 6520 6420 6300 6160 5990
167 0
1140 1140 241 8140 8140 8040 7930 7820 7690 7550 7380 7190
198 0
6.3 ~
pyZ = 215
8.0 ~
pyZ = 269
10.0 ~
pyZ = 331
12.5 ~
pyZ = 406
16.0
pyZ = 507
8.0 ~
pyZ = 342
10.0 ~
pyZ = 422
12.5 ~
pyZ = 519
16.0
pyZ = 650
8.0 ~
pyZ = 425
10.0 ~
pyZ = 525
12.5
pyZ = 647
16.0 ~
pyZ = 811
20.0 ~
pyZ = 954
<>
for
7 8 9 10
0.691 0.53 0.42 0.34
3.05 2.35 1.86 1.51
4.63 3.56 2.82 2.29
5.49 4.22 3.34 2.72
6.45 4.96 3.93 3.19
9.27 7.14 5.66 4.6
13.2 10.2 8.08 6.57
17.5 13.5 10.7 8.72
19.1 14.7 11.7 9.51
23 17.8 14.1 11.5
27.8 21.4 17 13.8
30.6 23.6 18.8 15.3
37.3 28.8 22.9 18.7
45.1 34.8 27.7 22.6
54.3 41.9 33.3 27.1
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
for
7 8 9 10
65.2 50.7 40.4 33
72.5 56.3 44.9 36.7
97.3 75.6 60.3 49.2
118 91.7 73.2 59.7
177 138 111 90.7
216 169 135 111
264 207 166 135
318 248 199 162
300 238 192 158
369 293 236 194
456 361 291 239
552 436 352 289
434 351 287 237
540 436 356 294
670 540 441 364
814 656 534 441
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
for
11 12 13 14
285 243 210 182
354 302 260 226
440 375 323 281
535 456 393 342
647 552 475 413
864 740 639 557
528 456 396 347
656 567 492 431
819 707 614 537
1010 867 753 659
1220 1060 917 801
1510 1300 1130 988
1020 895 788 696
1280 1130 995 879
1570 1380 1220 1070
1930 1690 1490 1310
2410 2110 1850 1640
<>
for
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
11 12 13 14
1640 1520 1390 1260
2080 1920 1750 1590
2580 2380 2170 1970
3180 2930 2670 2420
4000 3680 3340 3020
2540 2400 2250 2090
3140 2970 2780 2570
3910 3690 3450 3190
4940 4660 4350 4020
2970 2860 2730 2580
3680 3540 3370 3190
4590 4410 4200 3970
5800 5570 5300 5000
6960 6690 6380 6030
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
26.9 1.87 84.5 0.541 0.541 0.541 0.541 0.541 0.541 0.541 0.541 0.541
0.541 0.541 0.541 0.541 0.52 0.454 0.378 0.292 0.199
42.4 3.09 140 1.53 1.53 1.53 1.53 1.53 1.53 1.53 1.53 1.53
1.53 1.53 1.53 1.53 1.42 1.24 1.03 0.795 0.541
48.3 3.56 161 2.04 2.04 2.04 2.04 2.04 2.04 2.04 2.04 2.04
2.04 2.04 2.04 2.04 1.87 1.64 1.36 1.05 0.715
4.37 198 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43
2.43 2.43 2.43 2.43 2.26 1.98 1.64 1.27 0.863
5.34 241 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85
2.85 2.85 2.85 2.85 2.71 2.36 1.97 1.52 1.03
60.3 4.51 204 3.31 3.31 3.31 3.31 3.31 3.31 3.31 3.31 3.31
3.31 3.31 3.31 3.29 2.99 2.61 2.17 1.68 1.14
6.82 308 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73
4.73 4.73 4.73 4.73 4.39 3.84 3.19 2.47 1.68
76.1 5.24 237 5.03 5.03 5.03 5.03 5.03 5.03 5.03 5.03 5.03
5.03 5.03 5.03 4.9 4.45 3.89 3.23 2.5 1.7
5.75 260 5.45 5.45 5.45 5.45 5.45 5.45 5.45 5.45 5.45
5.45 5.45 5.45 5.38 4.88 4.27 3.55 2.74 1.86
7.11 322 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6
6.6 6.6 6.6 6.58 5.97 5.22 4.34 3.35 2.28
8.77 397 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92
7.92 7.92 7.92 7.92 7.27 6.35 5.28 4.08 2.78
88.9 6.76 306 7.58 7.58 7.58 7.58 7.58 7.58 7.58 7.58 7.58
7.58 7.58 7.58 7.43 6.75 5.9 4.9 3.79 2.58
8.38 380 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24
9.24 9.24 9.24 9.14 8.3 7.25 6.03 4.66 3.17
10.4 469 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2
11.2 11.2 11.2 11.1 10.1 8.84 7.34 5.67 3.86
12.8 579 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4
13.4 13.4 13.4 13.4 12.4 10.8 8.99 6.95 4.73
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
HOT-FINISHED CELSIUS
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
3.2 Mc
Mr
3.2 Mc
Mr
3.2 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
3.2 Mc
Mr
5.0 Mc
Mr
2.9 ^ Mc
Mr
3.2 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
3.2 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
HOT-FINISHED CELSIUS
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
114.3 8.77 398 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9
12.9 12.9 12.9 12.5 11.3 9.92 8.24 6.37 4.33
9.83 444 14.3 14.3 14.3 14.3 14.3 14.3 14.3 14.3 14.3
14.3 14.3 14.3 13.9 12.7 11.1 9.2 7.11 4.84
13.5 611 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2
19.2 19.2 19.2 18.9 17.2 15 12.5 9.64 6.56
16.8 760 23.3 23.3 23.3 23.3 23.3 23.3 23.3 23.3 23.3
23.3 23.3 23.3 23.3 21.1 18.5 15.4 11.9 8.07
139.7 16.6 753 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3
29.3 29.3 29.3 28.7 26.1 22.8 18.9 14.6 9.96
20.7 937 35.9 35.9 35.9 35.9 35.9 35.9 35.9 35.9 35.9
35.9 35.9 35.9 35.5 32.2 28.2 23.4 18.1 12.3
26 1180 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9
43.9 43.9 43.9 43.9 39.9 34.9 29 22.4 15.2
32 1440 52.6 52.6 52.6 52.6 52.6 52.6 52.6 52.6 52.6
52.6 52.6 52.6 52.6 48.4 42.3 35.2 27.2 18.5
168.3 20.1 912 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5
43.5 43.5 43.5 42.1 38.2 33.4 27.8 21.4 14.6
25.2 1140 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3
53.3 53.3 53.3 52.2 47.4 41.4 34.4 26.6 18.1
31.6 1430 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6
65.6 65.6 65.6 65.2 59.2 51.7 43 33.2 22.6
39 1760 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2
79.2 79.2 79.2 79.2 72.1 63 52.4 40.5 27.5
193.7 23.3 1050 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9
- - - - - - - - -
29.1 1320 71.6 71.6 71.6 71.6 71.6 71.6 71.6 71.6 71.6
71.6 71.6 71.6 69.9 63.5 55.5 46.1 35.6 24.2
36.6 1660 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6
88.6 88.6 88.6 87.3 79.3 69.3 57.6 44.5 30.3
45.3 2050 107 107 107 107 107 107 107 107 107
107 107 107 107 97.1 84.8 70.5 54.5 37.1
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
3.2 Mc
Mr
3.6 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
5.0 Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
5.0 ¢Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
HOT-FINISHED CELSIUS
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
219.1 26.4 1190 75 75 75 75 75 75 75 75 75
- - - - - - - - -
33.1 1490 92.9 92.9 92.9 92.9 92.9 92.9 92.9 92.9 92.9
92.9 92.9 92.9 90.1 81.9 71.5 59.5 45.9 31.3
41.6 1890 115 115 115 115 115 115 115 115 115
115 115 115 113 103 89.6 74.5 57.5 39.2
51.6 2330 140 140 140 140 140 140 140 140 140
140 140 140 139 126 110 91.4 70.6 48
63.7 2880 169 169 169 169 169 169 169 169 169
169 169 169 169 153 134 111 86.1 58.6
244.5 68.8 3110 207 207 207 207 207 207 207 207 207
207 207 207 205 186 163 135 105 71.2
273 33 1490 116 116 116 116 116 116 116 116 116
- - - - - - - - -
41.4 1870 147 147 147 147 147 147 147 147 147
- - - - - - - - -
52.3 2360 183 183 183 183 183 183 183 183 183
183 183 183 178 161 141 117 90.6 61.7
64.9 2930 223 223 223 223 223 223 223 223 223
223 223 223 219 199 174 144 112 75.9
80.3 3630 271 271 271 271 271 271 271 271 271
271 271 271 269 244 213 177 137 93.1
101 4590 334 334 334 334 334 334 334 334 334
334 334 334 334 304 266 221 171 116
323.9 49.3 2230 209 209 209 209 209 209 209 209 209
- - - - - - - - -
62.3 2820 261 261 261 261 261 261 261 261 261
- - - - - - - - -
77.4 3500 320 320 320 320 320 320 320 320 320
320 320 320 312 283 248 206 159 108
96 4340 391 391 391 391 391 391 391 391 391
391 391 391 384 348 304 253 195 133
122 5500 484 484 484 484 484 484 484 484 484
484 484 484 480 436 381 317 245 167
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
5.0 ¢Mc
Mr
6.3 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
12.0 Mc
Mr
5.0 ¢Mc
Mr
6.3 ¢Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
6.3 ¢Mc
Mr
8.0 ¢Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
HOT-FINISHED CELSIUS
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
406.4 62.2 2810 313 313 313 313 313 313 313 313 313
- - - - - - - - -
78.6 3550 417 417 417 417 417 417 417 417 417
- - - - - - - - -
97.8 4440 513 513 513 513 513 513 513 513 513
- - - - - - - - -
121 5500 630 630 630 630 630 630 630 630 630
630 630 630 614 557 487 405 313 213
154 6960 785 785 785 785 785 785 785 785 785
785 785 785 772 701 612 509 393 268
457 88.6 4000 515 515 515 515 515 515 515 515 515
- - - - - - - - -
110 4970 654 654 654 654 654 654 654 654 654
- - - - - - - - -
137 6210 804 804 804 804 804 804 804 804 804
804 804 804 781 709 620 515 398 271
174 7880 1010 1010 1010 1010 1010 1010 1010 1010 1010
1010 1010 1010 985 894 781 650 502 342
508 98.6 4460 622 622 622 622 622 622 622 622 622
- - - - - - - - -
123 5540 814 814 814 814 814 814 814 814 814
- - - - - - - - -
153 6920 1000 1000 1000 1000 1000 1000 1000 1000 1000
- - - - - - - - -
194 8770 1260 1260 1260 1260 1260 1260 1260 1260 1260
1260 1260 1260 1230 1110 972 808 624 425
241 10600 1490 1490 1490 1490 1490 1490 1490 1490 1490
1490 1490 1490 1470 1330 1160 966 746 508
F/Pz
* 6.3 ¢Mc
Mr
8.0 ¢Mc
Mr
10.0 ¢Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
8.0 ¢Mc
Mr
10.0 ¢Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
* 8.0 ¢Mc
Mr
10.0 ¢Mc
Mr
12.5 ¢Mc
Mr
16.0 Mc
Mr
20.0 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6
0.541 0.541 26.9 1.87 30.5 14.3 8.21 5.31 3.71 2.74 2.1 1.35 0.942
0.101 0
1.53 1.53 42.4 3.09 104 59.1 35.2 23 16.2 12 9.25 5.97 4.17
0.274 0
2.04 2.04 48.3 3.56 132 85.6 52.4 34.6 24.5 18.2 14 9.05 6.33
0.362 0
2.43 2.43 4.37 161 102 62.3 41.1 29 21.5 16.6 10.7 7.49
0.437 0
2.85 2.85 5.34 194 121 73.4 48.4 34.1 25.3 19.5 12.6 8.81
0.523 0
3.31 3.31 60.3 4.51 183 147 99.5 67.6 48.3 36.1 27.9 18.1 12.7
0.578 0
4.73 4.73 6.82 275 215 143 96.9 69.1 51.5 39.8 25.8 18.1
0.85 0
5.03 5.03 76.1 5.24 223 202 164 120 88.5 66.9 52.1 34 23.9
0.861 0
5.45 5.45 5.75 245 222 179 132 96.6 73 56.9 37.1 26.1
0.944 0
6.6 6.6 7.11 302 273 218 160 117 88.3 68.8 44.9 31.5
1.16 0
7.92 7.92 8.77 372 334 265 193 141 107 82.9 54.1 38
1.41 0
7.58 7.58 88.9 6.76 293 275 243 195 149 115 90.3 59.4 41.9
1.31 0
9.24 9.24 8.38 364 341 300 239 182 140 110 72.4 51
1.6 0
11.2 11.2 10.4 448 419 367 291 221 170 133 87.6 61.7
1.95 0
13.4 13.4 12.8 553 516 448 353 267 205 160 105 74.3
2.39 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
3.2
pyZ = 0.451
3.2
pyZ = 1.27
3.2
pyZ = 1.7
4.0
pyZ = 2.02
5.0
pyZ = 2.37
3.2
pyZ = 2.76
5.0
pyZ = 3.94
2.9 ^
pyZ = 4.19
3.2
pyZ = 4.54
4.0
pyZ = 5.5
5.0
pyZ = 6.6
3.2
pyZ = 6.32
4.0
pyZ = 7.7
5.0
pyZ = 9.3
6.3
pyZ = 11.2
HOT-FINISHED CELSIUS
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5 6
12.9 12.9 114.3 8.77 389 375 355 323 278 229 186 126 89.5
2.19 0
14.3 14.3 9.83 434 418 396 360 309 254 206 139 99.4
2.45 0
19.2 19.2 13.5 596 574 543 492 420 343 278 187 133
3.32 0
23.3 23.3 16.8 741 713 672 607 515 419 338 228 162
4.09 0
29.3 29.3 139.7 16.6 743 724 700 666 616 548 470 334 243
5.04 0
35.9 35.9 20.7 925 901 870 827 763 675 577 409 296
6.23 0
43.9 43.9 26 1160 1130 1090 1030 949 836 712 502 363
7.71 0
52.6 52.6 32 1420 1390 1340 1260 1160 1010 859 603 436
9.36 0
43.5 43.5 168.3 20.1 908 891 870 844 810 762 700 547 412
7.39 0
53.3 53.3 25.2 1130 1110 1090 1050 1010 948 868 674 507
9.16 0
65.6 65.6 31.6 1420 1390 1360 1320 1260 1180 1080 834 626
11.4 0
79.2 79.2 39 1750 1720 1680 1620 1550 1450 1320 1010 758
13.9 0
57.9 57.9 193.7 23.3 1050 1030 1020 993 965 929 882 749 595
- -
71.6 71.6 29.1 1320 1300 1270 1240 1210 1160 1100 933 740
12.3 0
88.6 88.6 36.6 1660 1630 1600 1560 1520 1460 1380 1160 918
15.3 0
107 107 45.3 2050 2010 1970 1930 1870 1800 1700 1420 1120
18.8 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
3.2
pyZ = 10.7
3.6
pyZ = 11.9
5.0
pyZ = 16.0
6.3
pyZ = 19.4
5.0
pyZ = 24.4
6.3
pyZ = 29.9
8.0
pyZ = 36.6
10.0
pyZ = 43.8
5.0
pyZ = 36.2
6.3
pyZ = 44.4
8.0
pyZ = 54.7
10.0
pyZ = 66.0
5.0
pyZ = 48.3
6.3
pyZ = 59.6
8.0
pyZ = 73.8
10.0
pyZ = 89.5
HOT-FINISHED CELSIUS
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10
75 75 219.1 26.4 1160 1120 1050 947 800 648 523 426 351
- -
92.9 92.9 33.1 1460 1400 1320 1180 996 806 649 528 436
15.8 0
115 115 41.6 1840 1760 1660 1480 1240 1000 808 657 542
19.8 0
140 140 51.6 2270 2180 2040 1820 1520 1220 983 799 659
24.3 0
169 169 63.7 2800 2690 2510 2230 1850 1490 1190 967 797
29.7 0
207 207 244.5 68.8 3050 2950 2810 2600 2280 1910 1570 1290 1070
36 0
116 116 273 33 1480 1440 1390 1320 1220 1080 926 780 657
- -
147 147 41.4 1850 1800 1740 1650 1520 1350 1150 970 817
- -
183 183 52.3 2330 2270 2190 2080 1920 1690 1440 1210 1020
31.2 0
223 223 64.9 2890 2820 2720 2570 2370 2080 1770 1490 1250
38.4 0
271 271 80.3 3580 3480 3360 3180 2910 2550 2170 1810 1520
47.1 0
334 334 101 4520 4390 4230 4000 3650 3180 2690 2240 1880
58.8 0
209 209 323.9 49.3 2220 2180 2120 2050 1960 1830 1670 1470 1280
- -
261 261 62.3 2800 2750 2680 2590 2480 2320 2100 1860 1610
- -
320 320 77.4 3480 3410 3320 3210 3070 2860 2590 2280 1980
54.8 0
391 391 96 4310 4220 4120 3980 3790 3530 3190 2800 2420
67.4 0
484 484 122 5460 5340 5210 5030 4780 4440 4000 3500 3020
84.3 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10210-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
5.0
pyZ = 62.5
6.3
pyZ = 77.4
8.0
pyZ = 95.9
10.0
pyZ = 116
12.5
pyZ = 141
12.0
pyZ = 173
5.0
pyZ = 98.3
6.3
pyZ = 122
8.0
pyZ = 152
10.0
pyZ = 186
12.5
pyZ = 226
16.0
pyZ = 278
6.3
pyZ = 174
8.0
pyZ = 217
10.0
pyZ = 267
12.5
pyZ = 326
16.0
pyZ = 403
HOT-FINISHED CELSIUS
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc (kN)
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m)
0.9 1 mm mm kg 2 3 4 5 6 7 8 9 10
313 313 406 62.2 2760 2720 2680 2620 2560 2480 2380 2250 2090
- -
417 417 78.6 3550 3510 3450 3380 3300 3190 3060 2880 2670
- -
513 513 97.8 4440 4380 4300 4220 4110 3980 3810 3590 3310
- -
630 630 121 5500 5430 5330 5220 5090 4930 4710 4430 4080
108 0
785 785 154 6960 6860 6740 6600 6430 6220 5930 5570 5130
136 0
515 515 457 88.6 4000 3970 3920 3850 3780 3690 3590 3450 3280
- -
654 654 110 4970 4930 4860 4780 4690 4580 4440 4270 4050
- -
804 804 137 6210 6160 6070 5970 5860 5720 5540 5320 5050
137 0
1010 1010 174 7880 7810 7700 7570 7420 7240 7020 6740 6380
173 0
622 622 508 98.6 4410 4390 4340 4280 4210 4140 4050 3940 3810
- -
814 814 123 5540 5520 5450 5370 5290 5190 5080 4940 4760
- -
1000 1000 153 6920 6890 6810 6710 6610 6480 6340 6160 5940
- -
1260 1260 194 8770 8730 8620 8500 8360 8210 8020 7790 7510
215 0
1490 1490 241 10600 10500 10400 10300 10100 9920 9690 9420 9080
257 0
* 6.3
pyZ = 277
8.0
pyZ = 347
10.0
pyZ = 428
12.5
pyZ = 525
16.0
pyZ = 654
8.0
pyZ = 442
10.0
pyZ = 545
12.5
pyZ = 670
16.0
pyZ = 839
* 8.0
pyZ = 549
10.0
pyZ = 678
12.5
pyZ = 836
16.0
pyZ = 1050
20.0
pyZ = 1240
<>
for
7 8 9 10
0.694 0.532 0.421 0.341
3.07 2.36 1.87 1.52
4.67 3.59 2.84 2.3
5.53 4.25 3.36 2.73
6.5 4.99 3.95 3.21
9.36 7.2 5.71 4.63
13.4 10.3 8.14 6.61
17.7 13.6 10.8 8.79
19.3 14.9 11.8 9.59
23.3 18 14.3 11.6
28.1 21.6 17.2 14
31.1 24 19 15.5
37.8 29.2 23.2 18.8
45.8 35.3 28 22.8
55.1 42.4 33.7 27.4
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
for
7 8 9 10
66.7 51.6 41.1 33.5
74.1 57.3 45.6 37.2
99.5 76.9 61.2 49.9
121 93.3 74.3 60.5
182 142 113 92.3
223 173 138 113
273 212 169 138
327 254 202 165
315 247 198 162
387 303 243 199
477 373 299 245
577 451 361 296
466 369 298 245
578 458 369 303
716 567 457 375
869 687 553 454
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
for
11 12 13 14
294 250 215 186
365 310 266 231
454 385 331 287
552 468 402 349
667 566 486 421
898 764 657 571
557 476 411 358
692 591 510 444
863 737 636 554
1060 904 780 679
1290 1100 948 825
1590 1360 1170 1020
1100 956 831 728
1390 1210 1050 919
1710 1480 1280 1120
2090 1800 1570 1370
2600 2250 1950 1700
<>
for
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
11 12 13 14
1900 1710 1530 1360
2430 2180 1940 1730
3010 2690 2400 2130
3700 3310 2940 2610
4630 4140 3680 3260
3070 2830 2590 2340
3790 3490 3180 2880
4720 4340 3950 3560
5950 5470 4970 4480
3650 3450 3230 2980
4550 4300 4010 3700
5670 5350 4980 4590
7160 6740 6270 5770
8670 8180 7620 7030
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
285 285 285 285 285 285 285 285 285 285 285
n/a 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2 71.2
1 285 278 260 230 199 168 136 103 69.2 35 0
71.2 71.2 71.2 71.2 71.2 71.2 71.2 59.4 42.8 23 0
126 126 126 126 126 126 126 126 126 126 126
n/a 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.5
1 126 124 118 108 94.3 79.2 63.9 48.3 32.5 16.4 0
15.5 15.5 15.5 15.5 15.5 15.5 15.5 14.7 10.8 5.94 0
143 143 143 143 143 143 143 143 143 143 143
n/a 34 34 34 34 34 34 34 34 34 34 34
1 143 140 130 116 101 84.8 68.6 52.1 35.1 17.7 0
34 34 34 34 34 34 34 28.1 20.3 10.9 0
76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7 76.7
n/a 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7 19.7
1 76.7 75.2 70.8 63.7 55.3 46.7 37.9 28.8 19.4 9.83 0
19.7 19.7 19.7 19.7 19.7 19.7 19.7 17 12.4 6.71 0
49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8 49.8
n/a 14 14 14 14 14 14 14 14 14 14 14
1 49.8 48.8 46 41.6 36.2 30.6 24.8 18.8 12.7 6.45 0
14 14 14 14 14 14 14 12.1 8.77 4.75 0
47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3
n/a 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6 13.6
1 47.3 46.2 43 38.4 33.3 28.1 22.8 17.3 11.7 5.9 0
13.6 13.6 13.6 13.6 13.6 13.6 13.6 11.3 8.13 4.37 0
28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6 28.6
n/a 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28
1 28.6 28.1 26.4 23.8 20.7 17.4 14.1 10.7 7.21 3.64 0
5.28 5.28 5.28 5.28 5.28 5.28 5.28 4.52 3.29 1.78 0
41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5 41.5
n/a 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9
1 41.5 40.7 38.1 34.4 30 25.3 20.5 15.6 10.6 5.35 0
12.9 12.9 12.9 12.9 12.9 12.9 12.9 11.2 8.1 4.38 0
31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1
n/a 10 10 10 10 10 10 10 10 10 10 10
1 31.1 30.5 28.6 25.8 22.5 19 15.4 11.8 7.95 4.04 0
10 10 10 10 10 10 10 8.44 6.13 3.31 0
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
254x203x82 # Mcx
Pz = Agpy = 2780 Mcy
Mrx
Mry
254x114x37 ‡ Mcx
Pz = Agpy = 1300 Mcy
Mrx
Mry
203x152x52 # Mcx
Pz = Agpy = 1760 Mcy
Mrx
Mry
152x127x37 # Mcx
Pz = Agpy = 1310 Mcy
Mrx
Mry
127x114x29 # Mcx
Pz = Agpy = 1030 Mcy
Mrx
Mry
127x114x27 # Mcx
Pz = Agpy = 941 Mcy
Mrx
Mry
127x76x16 ‡ Mcx
Pz = Agpy = 580 Mcy
Mrx
Mry
114x114x27 ‡ Mcx
Pz = Agpy = 949 Mcy
Mrx
Mry
102x102x23 # Mcx
Pz = Agpy = 806 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74 9.74
n/a 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.16
1 9.74 9.59 9.16 8.44 7.46 6.29 5.09 3.86 2.6 1.31 0
1.16 1.16 1.16 1.16 1.16 1.16 1.16 1.12 0.834 0.461 0
22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7
n/a 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52 7.52
1 22.7 22.3 20.9 19 16.5 14 11.4 8.7 5.9 3 0
7.52 7.52 7.52 7.52 7.52 7.52 7.52 6.26 4.55 2.46 0
14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9 14.9
n/a 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02 5.02
1 14.9 14.6 13.8 12.5 10.9 9.22 7.5 5.72 3.88 1.97 0
5.02 5.02 5.02 5.02 5.02 5.02 5.02 4.31 3.14 1.7 0
13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4
n/a 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49 4.49
1 13.4 13 12.1 10.7 9.33 7.89 6.41 4.88 3.3 1.67 0
4.49 4.49 4.49 4.49 4.49 4.49 4.41 3.59 2.58 1.38 0
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
102x44x7 # Mcx
Pz = Agpy = 261 Mcy
Mrx
Mry
89x89x19 # Mcx
Pz = Agpy = 685 Mcy
Mrx
Mry
76x76x15 ‡ Mcx
Pz = Agpy = 525 Mcy
Mrx
Mry
76x76x13 # Mcx
Pz = Agpy = 446 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
1 2780 2780 2780 2750 2720 2690 2650 2580 2480 2350 2190
2740 2630 2500 2350 2170 1960 1740 1320 1000 776 614
1 285 285 285 275 262 250 239 219 202 187 173
285 285 285 285 285 279 266 240 212 186 161
1 1300 1300 1300 1280 1270 1250 1240 1200 1150 1080 993
1170 1020 821 626 475 367 290 193 137 102 79.3
1 125 110 95.3 83 72.9 64.7 58.1 48.2 41.2 36 32.1
126 126 118 107 94.7 82.9 71.9 53.8 40.9 31.8 25.4
1 1760 1760 1740 1720 1690 1660 1630 1550 1440 1290 1120
1690 1590 1450 1290 1100 922 765 534 389 294 229
1 143 143 136 128 121 114 108 97.2 88.2 80.5 73.9
143 143 143 142 134 125 116 97.6 80.7 66.4 54.9
1 1310 1270 1230 1190 1130 1080 1010 854 697 561 455
1170 1020 852 688 548 438 355 244 177 133 104
1 76.7 75.5 70.6 66.3 62.5 59 55.8 50.2 45.5 41.4 38
76.7 76.7 76 70.2 64.2 58.1 51.9 40.8 31.9 25.3 20.4
1 1020 982 940 891 834 767 693 543 419 326 259
895 759 612 478 372 293 235 160 115 86.6 67.5
1 49.8 48.5 45.3 42.6 40.2 37.9 35.9 32.3 29.2 26.6 24.4
49.8 49.8 47.7 43.4 39 34.6 30.4 23.1 17.7 13.9 11.1
1 934 900 864 821 772 714 649 514 399 312 248
826 708 578 456 358 283 228 155 112 84.5 65.9
1 47.3 45.8 42.7 40 37.5 35.3 33.3 29.8 26.9 24.4 22.3
47.3 47.3 45.8 42 37.9 33.9 29.9 23 17.8 14 11.2
1 578 565 551 534 512 482 444 351 268 206 162
470 346 235 162 118 88.7 69.1 45.3 31.9 23.7 18.3
1 26.5 23.1 20.3 18.1 16.2 14.6 13.3 11.3 9.82 8.68 7.77
28.6 26.2 22.5 18.7 15.3 12.5 10.2 7.16 5.25 4 3.14
1 933 893 848 795 730 656 578 435 328 252 199
826 702 567 443 345 272 218 148 107 80.5 62.7
1 41.5 41.1 38.7 36.6 34.8 33.1 31.5 28.6 26.2 24 22.2
41.5 41.5 39.8 36.3 32.6 29 25.4 19.4 14.9 11.7 9.33
1 784 744 697 639 570 495 422 305 225 171 134
679 557 431 326 249 194 154 104 74.5 55.9 43.5
1 31.1 30.4 28.6 27.1 25.7 24.4 23.2 21.1 19.2 17.6 16.2
31.1 31.1 28.6 25.6 22.5 19.6 16.8 12.5 9.41 7.3 5.8
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
254x203x82 # Pcx
Pz = Agpy = 2780 Pcy
pyZx = 251 Mb
pyZy = 59.4 Mbs
254x114x37 ‡ Pcx
Pz = Agpy = 1300 Pcy
pyZx = 110 Mb
pyZy = 13 Mbs
203x152x52 # Pcx
Pz = Agpy = 1760 Pcy
pyZx = 125 Mb
pyZy = 28.4 Mbs
152x127x37 # Pcx
Pz = Agpy = 1310 Pcy
pyZx = 65.7 Mb
pyZy = 16.4 Mbs
127x114x29 # Pcx
Pz = Agpy = 1030 Pcy
pyZx = 42.4 Mb
pyZy = 11.6 Mbs
127x114x27 # Pcx
Pz = Agpy = 941 Pcy
pyZx = 41 Mb
pyZy = 11.4 Mbs
127x76x16 ‡ Pcx
Pz = Agpy = 580 Pcy
pyZx = 24.8 Mb
pyZy = 4.4 Mbs
114x114x27 ‡ Pcx
Pz = Agpy = 949 Pcy
pyZx = 35.5 Mb
pyZy = 10.8 Mbs
102x102x23 # Pcx
Pz = Agpy = 806 Pcy
pyZx = 26.3 Mb
pyZy = 8.33 Mbs
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
1 257 249 239 224 204 177 150 106 76.4 57.5 44.7
117 59.5 35.2 23.1 16.3 12.1 9.34 6.04 4.23 3.12 2.4
1 6.74 5.21 4.22 3.54 3.05 2.68 2.4 1.97 1.68 1.47 1.3
7.98 5.62 3.85 2.71 2 1.53 1.2 0.8 0.57 0.427 0.331
1 656 614 562 497 423 352 291 203 147 111 86.6
551 430 316 231 173 133 105 70.3 50.2 37.5 29.1
1 22.7 22.2 20.9 19.8 18.8 17.9 17 15.5 14.1 13 12
22.7 22.2 19.8 17.2 14.7 12.4 10.5 7.53 5.6 4.31 3.41
1 493 452 398 333 269 215 174 118 84.7 63.6 49.4
398 292 204 145 107 81.8 64.3 42.7 30.3 22.7 17.6
1 14.9 14.3 13.4 12.7 12 11.4 10.8 9.76 8.87 8.11 7.45
14.9 13.9 12.1 10.2 8.42 6.93 5.73 4.03 2.96 2.26 1.78
1 420 388 345 293 240 194 157 107 77.2 58 45.1
339 249 175 124 91.7 70 55.1 36.6 26 19.4 15.1
1 13.4 12.4 11.6 10.8 10.1 9.51 8.94 7.96 7.14 6.47 5.9
13.4 12.5 10.9 9.2 7.62 6.27 5.19 3.65 2.69 2.05 1.61
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
102x44x7 # Pcx
Pz = Agpy = 261 Pcy
pyZx = 8.28 Mb
pyZy = 0.965 Mbs
89x89x19 # Pcx
Pz = Agpy = 685 Pcy
pyZx = 19 Mb
pyZy = 6.27 Mbs
76x76x15 ‡ Pcx
Pz = Agpy = 525 Pcy
pyZx = 12.4 Mb
pyZy = 4.18 Mbs
76x76x13 # Pcx
Pz = Agpy = 446 Pcy
pyZx = 11.4 Mb
pyZy = 3.74 Mbs
for
9 10
1990 1780
496 408
162 151
139 120
892 786
63.2 51.5
28.9 26.3
20.7 17.1
951 807
184 151
68.3 63.4
45.8 38.7
373 310
83.6 68.6
35.1 32.6
16.7 14
210 173
54.1 44.3
22.5 20.9
9.07 7.53
202 167
52.8 43.3
20.5 19
9.16 7.61
130 107
14.5 11.8
7.04 6.44
2.53 2.08
161 132
50.2 41.1
20.6 19.1
7.62 6.33
108 88.5
34.8 28.5
15 14
4.72 3.91
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
9 10
35.7 29.1
1.9 1.55
1.17 1.06
0.265 0.216
69.4 56.8
23.3 19
11.1 10.3
2.76 2.28
39.5 32.3
14 11.4
6.89 6.4
1.44 1.18
36.1 29.5
12 9.8
5.42 5.01
1.3 1.07
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
372 372 372 372 372 372 372 372 372 372 372
n/a 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7 92.7
1 372 362 338 299 259 218 177 134 90.1 45.5 0
92.7 92.7 92.7 92.7 92.7 92.7 92.7 77.4 55.7 29.9 0
163 163 163 163 163 163 163 163 163 163 163
n/a 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1 20.1
1 163 160 152 139 122 102 82.5 62.4 42 21.2 0
20.1 20.1 20.1 20.1 20.1 20.1 20.1 19 14 7.67 0
187 187 187 187 187 187 187 187 187 187 187
n/a 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3 44.3
1 187 182 169 151 131 110 89.4 67.8 45.7 23.1 0
44.3 44.3 44.3 44.3 44.3 44.3 44.3 36.6 26.4 14.2 0
99 99 99 99 99 99 99 99 99 99 99
n/a 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4
1 99 97.1 91.3 82.2 71.4 60.3 48.9 37.1 25.1 12.7 0
25.4 25.4 25.4 25.4 25.4 25.4 25.4 22 16 8.66 0
64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3
n/a 18 18 18 18 18 18 18 18 18 18 18
1 64.3 63 59.4 53.7 46.7 39.4 32 24.3 16.4 8.32 0
18 18 18 18 18 18 18 15.6 11.3 6.13 0
61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1 61.1
n/a 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6
1 61.1 59.7 55.4 49.5 43 36.3 29.4 22.3 15.1 7.62 0
17.6 17.6 17.6 17.6 17.6 17.6 17.6 14.5 10.5 5.64 0
36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9
n/a 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82 6.82
1 36.9 36.2 34.1 30.8 26.7 22.5 18.2 13.8 9.31 4.7 0
6.82 6.82 6.82 6.82 6.82 6.82 6.82 5.84 4.25 2.3 0
53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6 53.6
n/a 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7 16.7
1 53.6 52.5 49.2 44.5 38.7 32.7 26.5 20.2 13.6 6.91 0
16.7 16.7 16.7 16.7 16.7 16.7 16.7 14.4 10.5 5.66 0
40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1 40.1
n/a 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9 12.9
1 40.1 39.3 36.9 33.3 29 24.5 19.9 15.2 10.3 5.21 0
12.9 12.9 12.9 12.9 12.9 12.9 12.9 10.9 7.91 4.28 0
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
254x203x82 # Mcx
Pz = Agpy = 3620 Mcy
Mrx
Mry
254x114x37 ‡ Mcx
Pz = Agpy = 1680 Mcy
Mrx
Mry
203x152x52 # Mcx
Pz = Agpy = 2300 Mcy
Mrx
Mry
152x127x37 # Mcx
Pz = Agpy = 1690 Mcy
Mrx
Mry
127x114x29 # Mcx
Pz = Agpy = 1330 Mcy
Mrx
Mry
127x114x27 # Mcx
Pz = Agpy = 1210 Mcy
Mrx
Mry
127x76x16 ‡ Mcx
Pz = Agpy = 749 Mcy
Mrx
Mry
114x114x27 ‡ Mcx
Pz = Agpy = 1220 Mcy
Mrx
Mry
102x102x23 # Mcx
Pz = Agpy = 1040 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6
n/a 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
1 12.6 12.4 11.8 10.9 9.63 8.12 6.56 4.98 3.35 1.7 0
1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.44 1.08 0.596 0
29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4 29.4
n/a 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71
1 29.4 28.8 27 24.5 21.3 18.1 14.7 11.2 7.61 3.87 0
9.71 9.71 9.71 9.71 9.71 9.71 9.71 8.08 5.87 3.18 0
19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2
n/a 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48 6.48
1 19.2 18.9 17.8 16.1 14 11.9 9.69 7.39 5 2.54 0
6.48 6.48 6.48 6.48 6.48 6.48 6.48 5.57 4.05 2.19 0
17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3 17.3
n/a 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79 5.79
1 17.3 16.8 15.6 13.8 12 10.2 8.28 6.3 4.26 2.16 0
5.79 5.79 5.79 5.79 5.79 5.79 5.7 4.63 3.33 1.79 0
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
102x44x7 # Mcx
Pz = Agpy = 337 Mcy
Mrx
Mry
89x89x19 # Mcx
Pz = Agpy = 884 Mcy
Mrx
Mry
76x76x15 ‡ Mcx
Pz = Agpy = 678 Mcy
Mrx
Mry
76x76x13 # Mcx
Pz = Agpy = 575 Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
1 3620 3620 3600 3560 3520 3480 3430 3310 3140 2910 2620
3540 3380 3200 2960 2670 2340 2010 1450 1070 816 639
1 372 372 364 344 326 309 294 265 240 219 201
372 372 372 372 367 350 332 295 255 218 184
1 1680 1680 1660 1650 1630 1610 1580 1520 1440 1320 1160
1490 1250 945 686 506 385 302 199 140 104 80.6
1 156 134 114 96.9 83.4 72.9 64.7 52.8 44.6 38.7 34.3
163 161 146 130 113 96.8 82.1 59.5 44.3 34 26.9
1 2300 2290 2260 2220 2190 2150 2090 1950 1750 1490 1240
2180 2030 1820 1560 1270 1030 830 564 405 304 236
1 187 183 170 159 148 139 130 115 102 92.2 83.7
187 187 187 179 167 154 141 115 92.5 74.3 60.4
1 1680 1630 1570 1510 1430 1340 1230 991 774 607 483
1480 1260 1020 788 608 477 381 257 184 138 107
1 99 94 87.3 81.3 75.9 70.9 66.4 58.6 52.2 47 42.7
99 99 94.6 86.8 78.3 69.5 61 46.2 35.2 27.4 21.9
1 1310 1250 1200 1120 1030 925 811 603 450 344 271
1130 932 718 538 407 315 250 167 119 89.3 69.3
1 64.3 60.3 56 52.1 48.7 45.5 42.6 37.6 33.5 30.2 27.4
64.3 64.3 59.2 53.3 47 40.8 35 25.7 19.3 14.9 11.8
1 1200 1150 1100 1040 958 865 764 574 431 330 260
1050 873 682 516 393 305 243 163 116 87.2 67.8
1 61.1 57 52.7 48.8 45.3 42.2 39.4 34.5 30.7 27.5 24.9
61.1 61.1 57 51.6 45.9 40.2 34.7 25.8 19.4 15 11.9
1 743 726 706 679 641 588 521 384 283 214 167
581 393 252 171 122 91.4 70.9 46.2 32.4 24 18.5
1 32.8 28 24.1 21 18.5 16.5 14.9 12.4 10.7 9.36 8.33
36.9 32.4 27.1 21.8 17.3 13.8 11.2 7.65 5.54 4.18 3.27
1 1190 1140 1080 993 889 774 659 474 348 264 207
1040 862 665 499 378 292 232 155 111 83 64.5
1 53.6 51.2 47.9 45.1 42.4 40 37.7 33.7 30.3 27.5 25.1
53.6 53.6 49.4 44.6 39.4 34.2 29.4 21.6 16.2 12.5 9.92
1 1000 948 877 785 676 565 468 325 236 178 138
855 675 496 361 269 206 163 108 77 57.5 44.6
1 40.1 37.8 35.4 33.3 31.3 29.4 27.7 24.7 22.2 20.1 18.3
40.1 39.3 35.4 31.2 26.8 22.7 19.1 13.7 10.1 7.77 6.13
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
254x203x82 # Pcx
Pz = Agpy = 3620 Pcy
pyZx = 327 Mb
pyZy = 77.3 Mbs
254x114x37 ‡ Pcx
Pz = Agpy = 1680 Pcy
pyZx = 142 Mb
pyZy = 16.7 Mbs
203x152x52 # Pcx
Pz = Agpy = 2300 Pcy
pyZx = 163 Mb
pyZy = 36.9 Mbs
152x127x37 # Pcx
Pz = Agpy = 1690 Pcy
pyZx = 84.8 Mb
pyZy = 21.2 Mbs
127x114x29 # Pcx
Pz = Agpy = 1330 Pcy
pyZx = 54.7 Mb
pyZy = 15 Mbs
127x114x27 # Pcx
Pz = Agpy = 1210 Pcy
pyZx = 52.9 Mb
pyZy = 14.7 Mbs
127x76x16 ‡ Pcx
Pz = Agpy = 749 Pcy
pyZx = 32 Mb
pyZy = 5.68 Mbs
114x114x27 ‡ Pcx
Pz = Agpy = 1220 Pcy
pyZx = 45.8 Mb
pyZy = 13.9 Mbs
102x102x23 # Pcx
Pz = Agpy = 1040 Pcy
pyZx = 33.9 Mb
pyZy = 10.8 Mbs
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
JOISTS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
(kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
1 330 319 303 278 241 200 163 110 78.8 58.8 45.5
127 62 36.1 23.6 16.6 12.3 9.46 6.11 4.26 3.15 2.42
1 7.95 5.9 4.67 3.86 3.3 2.88 2.56 2.09 1.77 1.54 1.36
9.69 6.44 4.22 2.91 2.12 1.6 1.26 0.828 0.587 0.438 0.339
1 839 779 698 594 484 389 314 213 153 115 88.9
688 509 355 251 184 140 110 72.8 51.6 38.5 29.8
1 29.4 27.6 25.8 24.3 22.9 21.6 20.3 18.2 16.4 14.8 13.5
29.4 27.6 24.3 20.7 17.2 14.1 11.7 8.17 5.98 4.55 3.57
1 629 568 482 383 297 232 184 123 87.4 65.2 50.5
492 338 225 156 113 85.5 66.9 44 31.1 23.2 17.9
1 19.1 17.7 16.6 15.5 14.6 13.7 12.8 11.4 10.2 9.2 8.37
19.2 17.2 14.6 12 9.61 7.72 6.27 4.32 3.13 2.37 1.86
1 537 489 422 341 267 210 167 112 79.8 59.6 46.2
419 289 192 133 96.9 73.3 57.3 37.7 26.7 19.8 15.3
1 16.8 15.4 14.2 13.1 12.1 11.3 10.5 9.14 8.09 7.23 6.54
17.3 15.5 13.2 10.8 8.7 7 5.69 3.92 2.84 2.15 1.68
F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, Mbs
Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
102x44x7 # Pcx
Pz = Agpy = 337 Pcy
pyZx = 10.7 Mb
pyZy = 1.25 Mbs
89x89x19 # Pcx
Pz = Agpy = 884 Pcy
pyZx = 24.5 Mb
pyZy = 8.09 Mbs
76x76x15 ‡ Pcx
Pz = Agpy = 678 Pcy
pyZx = 16 Mb
pyZy = 5.4 Mbs
76x76x13 # Pcx
Pz = Agpy = 575 Pcy
pyZx = 14.7 Mb
pyZy = 4.83 Mbs
for
9 10
2290 1980
513 421
185 172
156 133
1010 859
64.1 52.2
30.7 27.9
21.7 17.9
1020 854
188 154
76.6 70.6
49.7 41.6
392 323
85.9 70.2
39 35.9
17.8 14.7
218 179
55.4 45.2
25.1 23.1
9.57 7.9
209 172
54.1 44.2
22.7 20.9
9.68 8
133 109
14.7 11.9
7.52 6.85
2.63 2.15
166 136
51.5 42
23.1 21.3
8.04 6.64
111 90.6
35.6 29
16.8 15.6
4.95 4.08
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
for
9 10
36.2 29.5
1.91 1.55
1.22 1.11
0.27 0.22
71 58
23.7 19.3
12.4 11.5
2.88 2.37
40.2 32.8
14.2 11.6
7.67 7.08
1.49 1.22
36.8 30
12.2 9.95
5.96 5.48
1.35 1.11
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
324 324 324 324 324 324 324 324 324 324
n/a 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1
1 324 320 308 287 259 222 180 136 91.8 46.3
31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 27.4 14.9
31.1 31.1 31.1 31.1 30.5 25.9 21.1 16.2 11 5.6
247 247 247 247 247 247 247 247 247 247
n/a 28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4
1 247 244 234 218 195 165 133 101 67.9 34.3
28.4 28.4 28.4 28.4 28.4 28.4 28.4 28.4 22.7 12.2
28.4 28.4 28.4 28.4 27.5 23.3 19 14.5 9.83 5
170 170 170 170 170 170 170 170 170 170
n/a 26 26 26 26 26 26 26 26 26 26
1 170 167 160 148 130 110 88.7 67.2 45.2 22.8
26 26 26 26 26 26 26 26 18.7 10
26 26 26 26 25.5 21.6 17.6 13.4 9.08 4.61
156 156 156 156 156 156 156 156 156 156
n/a 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8
1 156 154 148 137 122 103 83.6 63.3 42.6 21.5
20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 16.1 8.66
20.8 20.8 20.8 20.8 20.3 17.2 14.1 10.7 7.28 3.7
117 117 117 117 117 117 117 117 117 117
n/a 18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6
1 117 115 110 102 89.8 75.6 61.1 46.3 31.1 15.7
18.6 18.6 18.6 18.6 18.6 18.6 18.6 18.6 13.4 7.16
18.6 18.6 18.6 18.6 18.2 15.4 12.5 9.57 6.48 3.29
90.2 90.2 90.2 90.2 90.2 90.2 90.2 90.2 90.2 90.2
n/a 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4
1 90.2 89 85.4 79.3 70.8 59.9 48.4 36.6 24.6 12.4
11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 9.01 4.86
11.4 11.4 11.4 11.4 11 9.32 7.59 5.79 3.92 1.99
97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6 97.6
n/a 18.2 18.2 18.2 18.2 18.2 18.2 18.2 18.2 18.2 18.2
1 97.6 96.1 91.5 83.8 73.2 61.6 49.8 37.7 25.4 12.8
18.2 18.2 18.2 18.2 18.2 18.2 18.2 16.9 12.1 6.44
18.2 18.2 18.2 18.2 17.9 15.2 12.4 9.42 6.38 3.24
76.5 76.5 76.5 76.5 76.5 76.5 76.5 76.5 76.5 76.5
n/a 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5
1 76.5 75.3 71.9 66.3 58.4 49.3 39.8 30.1 20.3 10.2
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
430x100x64 Mcx
Pz = Agpy = 2180 Mcy
Mrx
Mry1
Mry2
380x100x54 Mcx
Pz = Agpy = 1820 Mcy
Mrx
Mry1
Mry2
300x100x46 Mcx
Pz = Agpy = 1540 Mcy
Mrx
Mry1
Mry2
300x90x41 Mcx
Pz = Agpy = 1450 Mcy
Mrx
Mry1
Mry2
260x90x35 Mcx
Pz = Agpy = 1220 Mcy
Mrx
Mry1
Mry2
260x75x28 Mcx
Pz = Agpy = 965 Mcy
Mrx
Mry1
Mry2
230x90x32 Mcx
Pz = Agpy = 1130 Mcy
Mrx
Mry1
Mry2
230x75x26 Mcx
Pz = Agpy = 899 Mcy
Mrx
11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.4 8.18 4.38
11.5 11.5 11.5 11.5 11.3 9.54 7.76 5.92 4.01 2.04
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
80 80 80 80 80 80 80 80 80 80
n/a 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6 17.6
1 80 78.6 74.4 67.3 58.6 49.4 39.9 30.3 20.4 10.3
17.6 17.6 17.6 17.6 17.6 17.6 17.6 15.2 10.8 5.78
17.6 17.6 17.6 17.6 17.6 15 12.2 9.31 6.31 3.2
62.4 62.4 62.4 62.4 62.4 62.4 62.4 62.4 62.4 62.4
n/a 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2
1 62.4 61.4 58.3 53.2 46.4 39.1 31.6 23.9 16.1 8.14
11.2 11.2 11.2 11.2 11.2 11.2 11.2 10.2 7.27 3.88
11.2 11.2 11.2 11.2 11.1 9.43 7.67 5.84 3.96 2.01
63.8 63.8 63.8 63.8 63.8 63.8 63.8 63.8 63.8 63.8
n/a 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6 15.6
1 63.8 62.6 59.1 53.3 46.3 39 31.5 23.9 16.1 8.13
15.6 15.6 15.6 15.6 15.6 15.6 15.6 13.2 9.43 5.02
15.6 15.6 15.6 15.6 15.6 13.4 10.9 8.3 5.62 2.85
48.4 48.4 48.4 48.4 48.4 48.4 48.4 48.4 48.4 48.4
n/a 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5
1 48.4 47.6 45.3 41.5 36.2 30.5 24.7 18.7 12.6 6.35
9.5 9.5 9.5 9.5 9.5 9.5 9.5 8.9 6.37 3.41
9.5 9.5 9.5 9.5 9.38 7.94 6.46 4.92 3.33 1.69
49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2 49.2
n/a 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7
1 49.2 48.2 45.3 40.4 35.1 29.6 24 18.2 12.3 6.2
14.7 14.7 14.7 14.7 14.7 14.7 14.7 11.9 8.47 4.5
14.7 14.7 14.7 14.7 14.7 12.7 10.4 7.9 5.35 2.72
36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3
n/a 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78
1 36.3 35.7 33.7 30.5 26.5 22.3 18 13.7 9.21 4.65
8.78 8.78 8.78 8.78 8.78 8.78 8.78 7.65 5.45 2.91
8.78 8.78 8.78 8.78 8.78 7.49 6.09 4.64 3.14 1.59
24.7 24.7 24.7 24.7 24.7 24.7 24.7 24.7 24.7 24.7
n/a 6.2 6.2 6.2 6.2 6.2 6.2 6.2 6.2 6.2 6.2
1 24.7 24.3 23 20.7 18 15.2 12.3 9.36 6.31 3.19
6.2 6.2 6.2 6.2 6.2 6.2 6.2 5.44 3.88 2.07
6.2 6.2 6.2 6.2 6.2 5.33 4.34 3.31 2.25 1.14
Mry1
Mry2
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
200x90x30 Mcx
Pz = Agpy = 1040 Mcy
Mrx
Mry1
Mry2
200x75x23 Mcx
Pz = Agpy = 822 Mcy
Mrx
Mry1
Mry2
180x90x26 Mcx
Pz = Agpy = 913 Mcy
Mrx
Mry1
Mry2
180x75x20 Mcx
Pz = Agpy = 712 Mcy
Mrx
Mry1
Mry2
150x90x24 Mcx
Pz = Agpy = 836 Mcy
Mrx
Mry1
Mry2
150x75x18 Mcx
Pz = Agpy = 627 Mcy
Mrx
Mry1
Mry2
125x65x15 # Mcx
Pz = Agpy = 517 Mcy
Mrx
Mry1
Mry2
13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4 13.4
n/a 3.26 3.26 3.26 3.26 3.26 3.26 3.26 3.26 3.26 3.26
1 13.4 13.2 12.5 11.4 9.89 8.36 6.78 5.15 3.48 1.76
3.26 3.26 3.26 3.26 3.26 3.26 3.26 2.89 2.06 1.1
3.26 3.26 3.26 3.26 3.26 2.8 2.29 1.75 1.19 0.607
100x50x10 # Mcx
Pz = Agpy = 358 Mcy
Mrx
Mry1
Mry2
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Limit for
Capacities
1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
324 1 2180 2180 2180 2180 2160 2130 2090 2010 1930 1850 1760
31.1 1970 1740 1490 1230 996 807 659 457 332 252 197
0 1 324 300 264 231 203 179 159 130 110 95.3 84.2
0 324 324 324 304 281 257 232 186 148 118 96.1
0
247 1 1820 1820 1820 1820 1790 1760 1720 1650 1580 1500 1420
28.4 1660 1480 1270 1060 865 705 578 402 293 223 174
0 1 247 230 204 180 158 140 125 103 87.3 75.9 67.1
0 247 247 247 235 218 200 182 147 118 94.6 77
0
170 1 1540 1540 1540 1510 1470 1430 1390 1320 1230 1140 1050
26 1410 1260 1090 914 751 614 505 353 258 196 154
0 1 170 160 144 129 116 105 95 79.9 68.9 60.6 54.1
0 170 170 170 163 151 139 127 104 83.3 67.2 54.8
0
156 1 1450 1450 1450 1410 1380 1340 1310 1230 1150 1060 972
20.8 1290 1120 931 748 593 473 383 262 190 143 112
0 1 156 140 123 108 95.3 84.8 76.1 63.1 53.9 47.1 41.9
0 156 156 154 142 129 117 104 81.2 63.4 50.1 40.3
0
117 1 1220 1220 1210 1170 1140 1100 1070 990 908 823 736
18.6 1090 952 796 643 512 410 332 228 165 125 97.4
0 1 117 106 93.5 82.6 73.3 65.5 59.1 49.3 42.3 37.1 33
0 117 117 116 107 97.8 88.4 79.1 62.1 48.6 38.6 31.1
0
90.2 1 965 965 951 923 896 867 838 777 710 641 571
11.4 815 670 519 393 300 234 186 126 90 67.6 52.6
0 1 87 74.1 62.6 53.1 45.7 39.9 35.4 28.9 24.5 21.3 18.9
0 90.2 90.2 83.2 74.6 65.7 57 49.1 36.4 27.5 21.3 17
0
97.6 1 1130 1130 1100 1060 1030 992 954 873 786 697 612
18.2 1010 885 743 603 482 387 314 216 156 118 92.4
0 1 97.6 89.4 79.8 71.3 64 57.9 52.7 44.5 38.5 34 30.4
0 97.6 97.6 97.1 89.9 82.4 74.6 66.9 52.8 41.5 32.9 26.6
0
76.5 1 899 899 875 847 819 789 758 693 622 551 482
11.5 764 633 495 377 289 226 180 122 87.2 65.5 51
0 1 74.3 64.1 55 47.6 41.6 36.8 33 27.3 23.4 20.4 18.2
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
430x100x64 Pcx
Pz = Agpy = 2180 Pcy
pyZx = 270 Mb
pyZy = 25.9 Mbs
380x100x54 Pcx
Pz = Agpy = 1820 Pcy
pyZx = 210 Mb
pyZy = 23.6 Mbs
300x100x46 Pcx
Pz = Agpy = 1540 Pcy
pyZx = 145 Mb
pyZy = 21.7 Mbs
300x90x41 Pcx
Pz = Agpy = 1450 Pcy
pyZx = 132 Mb
pyZy = 17.4 Mbs
260x90x35 Pcx
Pz = Agpy = 1220 Pcy
pyZx = 100 Mb
pyZy = 15.5 Mbs
260x75x28 Pcx
Pz = Agpy = 965 Pcy
pyZx = 76.5 Mb
pyZy = 9.46 Mbs
230x90x32 Pcx
Pz = Agpy = 1130 Pcy
pyZx = 84.2 Mb
pyZy = 15.1 Mbs
230x75x26 Pcx
Pz = Agpy = 899 Pcy
pyZx = 65.7 Mb
0 76.5 76.5 71.1 64 56.6 49.4 42.7 31.8 24.1 18.7 14.9
0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S275
Section Designation
for and Limit for
Capacities
1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
80 1 1040 1030 998 961 923 884 842 753 660 569 487
17.6 936 820 691 562 450 361 293 202 146 111 86.5
0 1 80 74.3 67.1 60.9 55.4 50.7 46.6 40 35 31.1 28
0 80 80 79.7 73.9 67.8 61.5 55.2 43.7 34.3 27.3 22
0
62.4 1 822 816 787 758 727 696 662 592 518 446 381
11.2 703 585 461 353 271 212 170 115 82.3 61.8 48.1
0 1 61.1 53.4 46.7 41.1 36.4 32.6 29.5 24.8 21.4 18.8 16.8
0 62.4 62.4 58.5 52.7 46.8 41 35.6 26.6 20.2 15.7 12.6
0
63.8 1 913 897 861 825 788 748 706 618 528 446 375
15.6 821 720 607 494 396 318 258 178 129 97.5 76.3
0 1 63.8 59.4 53.8 48.9 44.6 40.9 37.6 32.4 28.4 25.2 22.7
0 63.8 63.8 63.6 59 54.1 49.1 44.2 35 27.5 21.9 17.7
0
48.4 1 712 698 670 641 611 579 546 476 405 340 285
9.5 608 505 397 304 233 183 146 98.5 70.7 53.1 41.4
0 1 47.4 41.4 36.1 31.7 28.1 25.1 22.7 19 16.4 14.4 12.8
0 48.4 48.4 45.3 40.8 36.2 31.7 27.4 20.5 15.6 12.1 9.66
0
49.2 1 836 802 763 722 678 632 583 485 395 321 263
14.7 752 659 556 452 363 291 237 163 118 89.3 69.8
0 1 49.2 46.8 43 39.7 36.8 34.2 31.8 27.9 24.8 22.3 20.2
0 49.2 49.2 49.1 45.5 41.8 37.9 34.1 27 21.2 16.9 13.6
0
36.3 1 627 601 571 540 507 472 436 362 295 239 196
8.78 536 447 353 271 208 163 130 88 63.2 47.5 37
0 1 35.9 31.8 28.2 25.2 22.7 20.5 18.7 15.9 13.8 12.2 11
0 36.3 36.3 34 30.7 27.3 23.9 20.8 15.6 11.8 9.22 7.35
0
24.7 1 509 480 449 417 381 344 307 240 186 147 118
6.2 419 330 244 180 135 104 82.3 55 39.3 29.4 22.8
0 1 23.8 21.1 18.8 16.9 15.2 13.9 12.7 10.9 9.48 8.41 7.55
0 24.7 24.3 21.7 19 16.3 13.8 11.7 8.45 6.29 4.84 3.83
0
pyZy = 9.57 Mbs
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
200x90x30 Pcx
Pz = Agpy = 1040 Pcy
pyZx = 69.3 Mb
pyZy = 14.7 Mbs
200x75x23 Pcx
Pz = Agpy = 822 Pcy
pyZx = 53.9 Mb
pyZy = 9.3 Mbs
180x90x26 Pcx
Pz = Agpy = 913 Pcy
pyZx = 55.6 Mb
pyZy = 13 Mbs
180x75x20 Pcx
Pz = Agpy = 712 Pcy
pyZx = 41.8 Mb
pyZy = 7.92 Mbs
150x90x24 Pcx
Pz = Agpy = 836 Pcy
pyZx = 42.6 Mb
pyZy = 12.2 Mbs
150x75x18 Pcx
Pz = Agpy = 627 Pcy
pyZx = 31.6 Mb
pyZy = 7.32 Mbs
125x65x15 # Pcx
Pz = Agpy = 517 Pcy
pyZx = 21.3 Mb
pyZy = 5.17 Mbs
13.4 1 341 315 286 255 222 191 163 119 88.7 68.3 54
3.26 253 174 116 81.1 59.2 44.9 35.2 23.3 16.5 12.3 9.51
0 1 12.2 10.6 9.35 8.31 7.46 6.75 6.15 5.22 4.54 4.01 3.59
0 13.4 11.9 10 8.16 6.55 5.28 4.3 2.98 2.17 1.65 1.29
0
100x50x10 # Pcx
Pz = Agpy = 358 Pcy
pyZx = 11.4 Mb
pyZy = 2.72 Mbs
for
9 10
1670 1580
159 130
75.5 68.4
79.2 66.3
1330 1240
140 115
60.3 54.7
63.6 53.3
960 869
124 101
48.9 44.7
45.3 38
882 794
89.7 73.5
37.7 34.3
33.1 27.5
653 577
78.2 64.1
29.8 27.2
25.5 21.3
505 445
42 34.4
16.9 15.4
13.8 11.4
533 464
74.1 60.8
27.5 25.1
21.8 18.2
419 365
40.8 33.4
16.4 14.9
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
12.2 10.1
for
9 10
416 357
69.4 56.9
25.4 23.3
18.1 15.1
325 279
38.5 31.5
15.2 13.8
10.2 8.48
316 268
61.2 50.2
20.6 18.9
14.5 12.1
240 204
33.1 27.1
11.6 10.6
7.87 6.52
218 183
56 46
18.5 17
11.2 9.35
162 136
29.6 24.2
9.94 9.09
5.99 4.97
96.3 80
18.2 14.9
6.86 6.28
3.11 2.57
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
43.7 36
7.57 6.18
3.25 2.98
1.04 0.855
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
422 422 422 422 422 422 422 422 422 422
n/a 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5
1 422 416 400 374 337 289 234 177 119 60.3
40.5 40.5 40.5 40.5 40.5 40.5 40.5 40.5 35.7 19.4
40.5 40.5 40.5 40.5 39.7 33.7 27.5 21 14.3 7.29
322 322 322 322 322 322 322 322 322 322
n/a 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9
1 322 318 305 283 253 215 174 131 88.4 44.6
36.9 36.9 36.9 36.9 36.9 36.9 36.9 36.9 29.5 15.9
36.9 36.9 36.9 36.9 35.8 30.4 24.7 18.9 12.8 6.51
221 221 221 221 221 221 221 221 221 221
n/a 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8
1 221 218 208 192 170 143 115 87.4 58.9 29.7
33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8 24.3 13
33.8 33.8 33.8 33.8 33.1 28.1 22.9 17.4 11.8 6.01
202 202 202 202 202 202 202 202 202 202
n/a 26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9
1 202 199 191 177 158 133 108 81.7 55 27.8
26.9 26.9 26.9 26.9 26.9 26.9 26.9 26.9 20.8 11.2
26.9 26.9 26.9 26.9 26.2 22.3 18.1 13.9 9.4 4.78
151 151 151 151 151 151 151 151 151 151
n/a 24 24 24 24 24 24 24 24 24 24
1 151 149 142 131 116 97.6 78.9 59.7 40.2 20.3
24 24 24 24 24 24 24 24 17.2 9.24
24 24 24 24 23.5 19.9 16.2 12.4 8.37 4.25
116 116 116 116 116 116 116 116 116 116
n/a 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7
1 116 115 110 102 91.4 77.3 62.5 47.3 31.8 16.1
14.7 14.7 14.7 14.7 14.7 14.7 14.7 14.7 11.6 6.27
14.7 14.7 14.7 14.7 14.2 12 9.79 7.47 5.07 2.57
126 126 126 126 126 126 126 126 126 126
n/a 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4
1 126 124 118 108 94.5 79.5 64.3 48.7 32.8 16.6
23.4 23.4 23.4 23.4 23.4 23.4 23.4 21.8 15.6 8.32
23.4 23.4 23.4 23.4 23.2 19.6 16 12.2 8.24 4.19
98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7 98.7
n/a 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.8
1 98.7 97.2 92.9 85.6 75.3 63.6 51.4 38.9 26.2 13.2
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
430x100x64 Mcx
Pz = Agpy = 2830 Mcy
Mrx
Mry1
Mry2
380x100x54 Mcx
Pz = Agpy = 2370 Mcy
Mrx
Mry1
Mry2
300x100x46 Mcx
Pz = Agpy = 2000 Mcy
Mrx
Mry1
Mry2
300x90x41 Mcx
Pz = Agpy = 1870 Mcy
Mrx
Mry1
Mry2
260x90x35 Mcx
Pz = Agpy = 1580 Mcy
Mrx
Mry1
Mry2
260x75x28 Mcx
Pz = Agpy = 1250 Mcy
Mrx
Mry1
Mry2
230x90x32 Mcx
Pz = Agpy = 1460 Mcy
Mrx
Mry1
Mry2
230x75x26 Mcx
Pz = Agpy = 1160 Mcy
Mrx
14.8 14.8 14.8 14.8 14.8 14.8 14.8 14.7 10.6 5.66
14.8 14.8 14.8 14.8 14.5 12.3 10 7.64 5.17 2.63
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and for
Axial load Capacity Semi-Compact
Compact 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
103 103 103 103 103 103 103 103 103 103
n/a 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7
1 103 101 96 86.9 75.6 63.7 51.6 39.1 26.3 13.3
22.7 22.7 22.7 22.7 22.7 22.7 22.7 19.6 14 7.46
22.7 22.7 22.7 22.7 22.7 19.4 15.8 12 8.14 4.13
80.6 80.6 80.6 80.6 80.6 80.6 80.6 80.6 80.6 80.6
n/a 14.4 14.4 14.4 14.4 14.4 14.4 14.4 14.4 14.4 14.4
1 80.6 79.3 75.3 68.7 59.9 50.4 40.8 30.9 20.8 10.5
14.4 14.4 14.4 14.4 14.4 14.4 14.4 13.1 9.39 5.01
14.4 14.4 14.4 14.4 14.4 12.2 9.89 7.54 5.11 2.59
82.4 82.4 82.4 82.4 82.4 82.4 82.4 82.4 82.4 82.4
n/a 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2
1 82.4 80.9 76.3 68.8 59.7 50.3 40.7 30.8 20.8 10.5
20.2 20.2 20.2 20.2 20.2 20.2 20.2 17.1 12.2 6.48
20.2 20.2 20.2 20.2 20.2 17.3 14.1 10.7 7.25 3.68
62.5 62.5 62.5 62.5 62.5 62.5 62.5 62.5 62.5 62.5
n/a 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3
1 62.5 61.5 58.5 53.5 46.8 39.4 31.8 24.1 16.2 8.2
12.3 12.3 12.3 12.3 12.3 12.3 12.3 11.5 8.23 4.4
12.3 12.3 12.3 12.3 12.1 10.3 8.33 6.35 4.3 2.18
63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.5 63.5
n/a 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9
1 63.5 62.3 58.5 52.2 45.3 38.2 30.9 23.5 15.8 8
18.9 18.9 18.9 18.9 18.9 18.9 18.9 15.4 10.9 5.81
18.9 18.9 18.9 18.9 18.9 16.4 13.4 10.2 6.9 3.51
46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9 46.9
n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3
1 46.9 46 43.5 39.3 34.2 28.8 23.3 17.7 11.9 6.01
11.3 11.3 11.3 11.3 11.3 11.3 11.3 9.87 7.04 3.75
11.3 11.3 11.3 11.3 11.3 9.67 7.86 5.99 4.05 2.06
31.9 31.9 31.9 31.9 31.9 31.9 31.9 31.9 31.9 31.9
n/a 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01
1 31.9 31.3 29.6 26.8 23.3 19.6 15.9 12.1 8.15 4.12
8.01 8.01 8.01 8.01 8.01 8.01 8.01 7.02 5.01 2.67
8.01 8.01 8.01 8.01 8.01 6.88 5.61 4.28 2.9 1.48
Mry1
Mry2
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, Mry (kNm)
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz (kN) F/Pz
200x90x30 Mcx
Pz = Agpy = 1350 Mcy
Mrx
Mry1
Mry2
200x75x23 Mcx
Pz = Agpy = 1060 Mcy
Mrx
Mry1
Mry2
180x90x26 Mcx
Pz = Agpy = 1180 Mcy
Mrx
Mry1
Mry2
180x75x20 Mcx
Pz = Agpy = 919 Mcy
Mrx
Mry1
Mry2
150x90x24 Mcx
Pz = Agpy = 1080 Mcy
Mrx
Mry1
Mry2
150x75x18 Mcx
Pz = Agpy = 809 Mcy
Mrx
Mry1
Mry2
125x65x15 # Mcx
Pz = Agpy = 667 Mcy
Mrx
Mry1
Mry2
17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4
n/a 4.21 4.21 4.21 4.21 4.21 4.21 4.21 4.21 4.21 4.21
1 17.4 17.1 16.2 14.7 12.8 10.8 8.75 6.65 4.5 2.28
4.21 4.21 4.21 4.21 4.21 4.21 4.21 3.73 2.67 1.42
4.21 4.21 4.21 4.21 4.21 3.62 2.95 2.26 1.54 0.783
100x50x10 # Mcx
Pz = Agpy = 462 Mcy
Mrx
Mry1
Mry2
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Limit for
Capacities
1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
422 1 2830 2830 2830 2830 2780 2730 2680 2580 2470 2350 2220
40.5 2520 2190 1810 1430 1120 888 713 484 348 262 204
0 1 422 373 323 276 236 205 180 144 120 103 90.3
0 422 422 411 380 347 312 277 214 165 130 104
0
322 1 2370 2370 2370 2350 2300 2260 2210 2110 2010 1890 1770
36.9 2130 1860 1550 1240 981 779 628 427 308 232 181
0 1 322 287 250 215 185 161 142 114 95.4 82.1 72.2
0 322 322 316 294 269 244 218 170 132 104 83.4
0
221 1 2000 2000 1980 1940 1890 1840 1780 1670 1550 1420 1280
33.8 1810 1590 1330 1080 855 681 550 375 271 204 159
0 1 221 200 177 155 137 121 109 89.6 76.1 66.3 58.7
0 221 221 219 203 187 170 153 120 93.7 74 59.5
0
202 1 1870 1870 1850 1800 1760 1710 1660 1550 1430 1300 1170
26.9 1630 1390 1110 854 657 513 409 276 198 148 115
0 1 198 173 149 127 110 96.2 85.3 69.4 58.6 50.8 44.8
0 202 202 192 175 157 139 122 91.7 69.7 54.2 43.1
0
151 1 1580 1580 1540 1490 1450 1400 1350 1240 1120 990 865
24 1380 1180 951 737 569 445 356 240 172 129 100
0 1 149 131 113 97.7 84.9 74.7 66.5 54.4 46.1 40.1 35.5
0 151 151 144 132 119 106 92.9 70.3 53.6 41.8 33.3
0
116 1 1250 1250 1210 1180 1140 1100 1060 970 871 769 669
14.7 1030 811 597 435 324 249 196 131 93 69.5 53.8
0 1 108 90.1 73.8 60.9 51.4 44.3 38.9 31.3 26.3 22.7 20
0 116 114 103 90.7 78.1 66.2 55.7 40 29.7 22.7 17.9
0
126 1 1460 1450 1400 1360 1310 1260 1200 1080 954 824 705
23.4 1280 1100 890 693 537 421 337 227 163 122 95.2
0 1 125 110 96.9 84.9 74.8 66.5 59.7 49.5 42.3 36.9 32.8
0 126 126 121 111 101 89.6 78.8 59.9 45.8 35.7 28.5
0
98.7 1 1160 1150 1120 1080 1040 998 954 858 754 650 554
14.8 963 769 572 419 313 241 190 127 90.2 67.4 52.3
0 1 92.3 78.1 65.3 55.1 47.2 41.2 36.5 29.8 25.2 21.9 19.4
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
430x100x64 Pcx
Pz = Agpy = 2830 Pcy
pyZx = 352 Mb
pyZy = 33.8 Mbs
380x100x54 Pcx
Pz = Agpy = 2370 Pcy
pyZx = 273 Mb
pyZy = 30.8 Mbs
300x100x46 Pcx
Pz = Agpy = 2000 Pcy
pyZx = 189 Mb
pyZy = 28.2 Mbs
300x90x41 Pcx
Pz = Agpy = 1870 Pcy
pyZx = 171 Mb
pyZy = 22.4 Mbs
260x90x35 Pcx
Pz = Agpy = 1580 Pcy
pyZx = 129 Mb
pyZy = 20.0 Mbs
260x75x28 Pcx
Pz = Agpy = 1250 Pcy
pyZx = 98.7 Mb
pyZy = 12.2 Mbs
230x90x32 Pcx
Pz = Agpy = 1460 Pcy
pyZx = 109 Mb
pyZy = 19.5 Mbs
230x75x26 Pcx
Pz = Agpy = 1160 Pcy
pyZx = 84.8 Mb
0 98.7 97.3 88.1 78 67.6 57.5 48.6 35.1 26.1 20 15.8
0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS 4-1: 1993
PARALLEL FLANGE CHANNELS SUBJECT <>TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Limit for
Capacities
1 (kN) 1 1.5 2 2.5 3 3.5 4 5 6 7 8
103 1 1350 1320 1270 1220 1170 1110 1050 920 783 656 548
22.7 1190 1020 828 646 501 394 315 213 153 115 89.2
0 1 103 91.9 81.9 73 65.3 58.9 53.4 45 38.8 34.1 30.5
0 103 103 99.4 91.4 82.8 73.9 65.1 49.6 37.9 29.6 23.6
0
80.6 1 1060 1040 1000 963 921 876 828 723 614 514 428
14.4 886 713 534 393 294 227 179 120 85.1 63.6 49.4
0 1 76.1 65.4 55.8 48 41.7 36.9 33 27.2 23.2 20.3 18
0 80.6 79.8 72.4 64.4 56 47.9 40.6 29.4 21.9 16.8 13.3
0
82.4 1 1180 1140 1100 1050 995 937 876 744 616 505 415
20.2 1040 896 728 569 441 347 277 188 135 101 78.6
0 1 82.2 73.6 65.7 58.7 52.6 47.5 43.2 36.4 31.5 27.7 24.7
0 82.4 82.4 79.3 73 66.2 59.1 52.1 39.7 30.4 23.8 19
0
62.5 1 919 890 853 814 771 725 676 571 470 384 315
12.3 766 615 460 338 253 195 154 103 73.2 54.7 42.4
0 1 59 50.7 43.2 37 32.2 28.4 25.3 20.9 17.8 15.5 13.8
0 62.5 61.8 56.1 49.8 43.3 36.9 31.3 22.7 16.9 12.9 10.2
0
63.5 1 1070 1020 969 911 848 779 707 565 446 353 284
18.9 954 820 667 521 404 317 254 172 123 92.6 72
0 1 63.5 58.1 52.8 48.1 44 40.3 37.1 31.9 27.9 24.8 22.2
0 63.5 63.5 61.2 56.3 51 45.6 40.2 30.6 23.5 18.3 14.6
0
46.9 1 804 766 726 682 635 583 528 422 332 263 212
11.3 677 545 409 302 226 174 138 91.8 65.4 48.9 37.9
0 1 44.7 39 34 29.7 26.2 23.4 21.1 17.6 15.1 13.3 11.8
0 46.9 46.4 42.2 37.6 32.7 28 23.8 17.2 12.8 9.85 7.78
0
31.9 1 650 611 568 521 468 413 360 269 204 158 125
8.01 524 392 276 196 144 110 86.2 57 40.4 30.2 23.3
0 1 29.6 25.8 22.5 19.8 17.6 15.8 14.3 12 10.4 9.13 8.15
0 31.9 30.2 26.7 22.8 19.1 15.8 13 9.17 6.73 5.12 4.03
0
pyZy = 12.4 Mbs
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment Mb, M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/Pz
Le (m)
200x90x30 Pcx
Pz = Agpy = 1350 Pcy
pyZx = 89.5 Mb
pyZy = 19.0 Mbs
200x75x23 Pcx
Pz = Agpy = 1060 Pcy
pyZx = 69.6 Mb
pyZy = 12.0 Mbs
180x90x26 Pcx
Pz = Agpy = 1180 Pcy
pyZx = 71.7 Mb
pyZy = 16.8 Mbs
180x75x20 Pcx
Pz = Agpy = 919 Pcy
pyZx = 54.0 Mb
pyZy = 10.2 Mbs
150x90x24 Pcx
Pz = Agpy = 1080 Pcy
pyZx = 55.0 Mb
pyZy = 15.8 Mbs
150x75x18 Pcx
Pz = Agpy = 809 Pcy
pyZx = 40.8 Mb
pyZy = 9.44 Mbs
125x65x15 # Pcx
Pz = Agpy = 667 Pcy
pyZx = 27.4 Mb
pyZy = 6.67 Mbs
17.4 1 435 399 358 311 263 219 183 129 94.6 71.9 56.4
4.21 308 197 126 86.1 62.1 46.7 36.4 23.9 16.9 12.5 9.67
0 1 15 12.8 11 9.61 8.48 7.58 6.84 5.73 4.92 4.32 3.85
0 17.1 14.7 12 9.41 7.34 5.79 4.65 3.16 2.28 1.72 1.34
0
100x50x10 # Pcx
Pz = Agpy = 462 Pcy
pyZx = 14.7 Mb
pyZy = 3.51 Mbs
for
9 10
2090 1950
163 134
80.5 72.8
84.8 70.4
1640 1510
145 118
64.5 58.3
68.2 56.7
1140 1020
127 104
52.8 47.9
48.7 40.5
1040 917
92.1 75.3
40.2 36.4
35.1 29
751 651
80.3 65.6
31.8 28.9
27.1 22.4
579 500
43 35.1
17.9 16.2
14.5 11.9
601 514
76.1 62.3
29.5 26.9
23.2 19.2
472 403
41.7 34
17.4 15.8
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
12.8 10.5
for
9 10
459 388
71.3 58.3
27.5 25.1
19.2 16
359 303
39.4 32.2
16.2 14.7
10.7 8.87
344 289
62.9 51.4
22.3 20.4
15.4 12.8
261 219
33.8 27.6
12.4 11.2
8.27 6.82
233 193
57.6 47.1
20.2 18.5
11.9 9.87
173 144
30.3 24.7
10.7 9.71
6.3 5.2
101 83.7
18.6 15.2
7.36 6.71
3.24 2.67
(kN) and Buckling Resistance Moment Mb, Mbs (kNm)
(m) within the limiting value of F/Pz
45.4 37.3
7.69 6.26
3.47 3.16
1.08 0.882
BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136
HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
CAPACITIES FOR S235
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6
350x350 190 5690 - 697 697 697 697 697 697 697
1 697 688 661 616 552 472 381
217 6490 - 779 779 779 779 779 779 779
1 779 775 745 694 623 533 432
242 7260 - 852 852 852 852 852 852 852
1 852 852 823 767 689 592 481
400x400 251 7520 - 1050 1050 1050 1050 1050 1050 1050
1 1050 1040 997 929 833 712 576
282 8440 - 1160 1160 1160 1160 1160 1160 1160
1 1160 1150 1110 1030 925 793 643
450x450 162 4860 - 792 792 792 792 792 792 792
1 792 782 750 698 624 533 429
213 6370 - 1030 1030 1030 1030 1030 1030 1030
1 1030 1010 974 907 813 692 557
250 7470 - 1200 1200 1200 1200 1200 1200 1200
1 1200 1180 1130 1060 946 806 651
286 8550 - 1360 1360 1360 1360 1360 1360 1360
1 1360 1340 1290 1200 1070 917 741
321 9610 - 1510 1510 1510 1510 1510 1510 1510
1 1510 1490 1430 1330 1200 1020 828
355 10600 - 1640 1640 1640 1640 1640 1640 1640
1 1640 1630 1570 1460 1310 1120 910
399 12000 - 1810 1810 1810 1810 1810 1810 1810
1 1810 1810 1740 1630 1460 1250 1020
500x500 181 5430 1 916 916 916 916 916 916 916
0 - - - - - - -
238 7120 - 1280 1280 1280 1280 1280 1280 1280
1 1280 1270 1220 1130 1010 862 694
280 8370 - 1500 1500 1500 1500 1500 1500 1500
1 1500 1480 1420 1320 1180 1010 812
320 9590 - 1700 1700 1700 1700 1700 1700 1700
1 1700 1680 1610 1500 1350 1150 926
360 10800 - 1900 1900 1900 1900 1900 1900 1900
1 1900 1870 1800 1670 1500 1280 1040
399 11900 - 2090 2090 2090 2090 2090 2090 2090
1 2090 2060 1980 1840 1650 1410 1140
450 13500 - 2300 2300 2300 2300 2300 2300 2300
1 2300 2290 2200 2050 1840 1580 1280
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
12.0 Mc
Mr
16.0 Mc
Mr
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
12.0 Mc
Mr
16.0 Mc
Mr
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
498 14900 - 2500 2500 2500 2500 2500 2500 2500
1 2500 2500 2420 2250 2020 1740 1410
550x550 263 7870 - 1570 1570 1570 1570 1570 1570 1570
1 1570 1550 1480 1380 1240 1050 846
309 9260 - 1830 1830 1830 1830 1830 1830 1830
1 1830 1810 1730 1610 1450 1230 991
355 10600 - 2080 2080 2080 2080 2080 2080 2080
1 2080 2060 1970 1840 1650 1400 1130
399 12000 - 2330 2330 2330 2330 2330 2330 2330
1 2330 2300 2210 2050 1840 1570 1270
443 13300 - 2560 2560 2560 2560 2560 2560 2560
1 2560 2530 2430 2260 2030 1730 1400
500 15000 - 2860 2860 2860 2860 2860 2860 2860
1 2860 2830 2720 2530 2270 1940 1570
555 16600 - 3110 3110 3110 3110 3110 3110 3110
1 3110 3110 2980 2780 2490 2140 1740
608 18200 - 3350 3350 3350 3350 3350 3350 3350
1 3350 3350 3240 3020 2710 2330 1890
600x600 439 13100 - 2800 2800 2800 2800 2800 2800 2800
1 2800 2770 2660 2470 2220 1890 1530
487 14600 - 3090 3090 3090 3090 3090 3090 3090
1 3090 3050 2930 2730 2450 2090 1690
550 16500 - 3460 3460 3460 3460 3460 3460 3460
1 3460 3420 3280 3060 2740 2340 1900
611 18300 - 3800 3800 3800 3800 3800 3800 3800
1 3800 3760 3610 3370 3020 2590 2100
671 20100 - 4090 4090 4090 4090 4090 4090 4090
1 4090 4090 3930 3660 3290 2820 2290
743 20400 - 4060 4060 4060 4060 4060 4060 4060
1 4060 4060 3940 3670 3300 2840 2300
813 22300 - 4340 4340 4340 4340 4340 4340 4340
1 4340 4340 4260 3970 3570 3080 2510
650x650 478 14300 - 3320 3320 3320 3320 3320 3320 3320
1 3320 3280 3150 2930 2630 2240 1800
531 15900 - 3670 3670 3670 3670 3670 3670 3670
1 3670 3620 3480 3240 2900 2470 2000
600 18000 - 4110 4110 4110 4110 4110 4110 4110
1 4110 4060 3900 3630 3260 2780 2250
668 20000 - 4540 4540 4540 4540 4540 4540 4540
1 4540 4480 4300 4010 3590 3080 2490
734 22000 - 4920 4920 4920 4920 4920 4920 4920
1 4920 4880 4690 4370 3920 3360 2720
814 22300 - 4890 4890 4890 4890 4890 4890 4890
1 4890 4890 4710 4390 3940 3380 2750
891 24400 - 5250 5250 5250 5250 5250 5250 5250
1 5250 5250 5100 4760 4270 3680 2990
700x700 517 15500 - 3890 3890 3890 3890 3890 3890 3890
1 3890 3840 3680 3430 3070 2620 2110
575 17200 - 4300 4300 4300 4300 4300 4300 4300
1 4300 4240 4070 3790 3400 2890 2330
651 19500 - 4820 4820 4820 4820 4820 4820 4820
1 4820 4760 4570 4260 3820 3260 2630
724 21700 - 5330 5330 5330 5330 5330 5330 5330
1 5330 5260 5050 4710 4220 3610 2920
36.0 Mc
Mr
16.0 Mc
Mr
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
797 23900 - 5810 5810 5810 5810 5810 5810 5810
1 5810 5740 5520 5140 4610 3940 3190
885 24200 - 5800 5800 5800 5800 5800 5800 5800
1 5800 5780 5550 5170 4640 3980 3230
970 26600 - 6240 6240 6240 6240 6240 6240 6240
1 6240 6240 6030 5620 5040 4330 3520
750x750 556 16700 - 4490 4490 4490 4490 4490 4490 4490
1 4490 4430 4260 3960 3550 3020 2430
619 18500 - 4970 4970 4970 4970 4970 4970 4970
1 4970 4910 4710 4390 3930 3350 2700
701 21000 - 5590 5590 5590 5590 5590 5590 5590
1 5590 5520 5300 4930 4420 3770 3040
781 23400 - 6190 6190 6190 6190 6190 6190 6190
1 6190 6100 5860 5460 4890 4180 3380
859 25700 - 6760 6760 6760 6760 6760 6760 6760
1 6760 6670 6410 5970 5350 4580 3700
955 26200 - 6780 6780 6780 6780 6780 6780 6780
1 6780 6720 6460 6020 5400 4620 3740
1048 28700 - 7310 7310 7310 7310 7310 7310 7310
1 7310 7310 7030 6550 5870 5040 4090
800x800 596 17800 - 5150 5150 5150 5150 5150 5150 5150
1 5150 5080 4880 4540 4060 3460 2780
663 19800 - 5700 5700 5700 5700 5700 5700 5700
1 5700 5620 5400 5030 4500 3830 3090
751 22500 - 6410 6410 6410 6410 6410 6410 6410
1 6410 6330 6080 5660 5070 4320 3490
837 25100 - 7100 7100 7100 7100 7100 7100 7100
1 7100 7010 6730 6270 5620 4800 3870
922 27600 - 7770 7770 7770 7770 7770 7770 7770
1 7770 7670 7370 6860 6150 5260 4250
1026 28100 - 7840 7840 7840 7840 7840 7840 7840
1 7840 7740 7440 6930 6210 5320 4300
1127 30900 - 8480 8480 8480 8480 8480 8480 8480
1 8480 8430 8100 7550 6770 5810 4700
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136
HOT-FINISHEDJUMBO SQUARE HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S235
Section Designation
and Capacities Limit
D t
0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7
697 697 697 697 350x350 1 5690 5640 5550 5450 5330 5190
289 195 98.5 0
779 779 779 779 1 6490 6430 6320 6200 6070 5910
328 222 112 0
852 852 852 852 1 7260 7190 7070 6940 6780 6600
366 247 125 0
1050 1050 1050 1050 400x400 1 7520 7500 7400 7290 7160 7030
437 294 149 0
1160 1160 1160 1160 1 8440 8410 8290 8170 8020 7870
488 329 167 0
792 792 792 792 450x450 1 4860 4860 4820 4760 4700 4630
323 217 109 0
1030 1030 1030 1030 1 6370 6370 6310 6230 6150 6060
421 283 142 0
1200 1200 1200 1200 1 7470 7470 7410 7310 7210 7100
492 331 167 0
1360 1360 1360 1360 1 8550 8550 8470 8360 8250 8120
561 378 191 0
1510 1510 1510 1510 1 9610 9610 9520 9390 9260 9120
628 423 214 0
1640 1640 1640 1640 1 10600 10600 10500 10400 10200 10100
691 467 236 0
1810 1810 1810 1810 1 12000 12000 11800 11700 11500 11300
775 524 265 0
916 916 916 916 500x500 1 5430 5430 5410 5350 5290 5220
- - - -
1280 1280 1280 1280 1 7120 7120 7090 7020 6930 6850
524 352 177 0
1500 1500 1500 1500 1 8370 8370 8330 8240 8140 8040
614 412 208 0
1700 1700 1700 1700 1 9590 9590 9550 9440 9330 9210
701 471 238 0
1900 1900 1900 1900 1 10800 10800 10700 10600 10500 10400
786 529 267 0
2090 2090 2090 2090 1 11900 11900 11900 11700 11600 11500
866 584 295 0
2300 2300 2300 2300 1 13500 13500 13400 13200 13100 12900
973 657 333 0
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths LE
19.0
pyZ = 582
22.0
pyZ = 649
25.0
pyZ = 710
22.0
pyZ = 878
25.0
pyZ = 965
12.0
pyZ = 683
16.0
pyZ = 878
19.0
pyZ = 1010
22.0
pyZ = 1140
25.0
pyZ = 1260
28.0
pyZ = 1370
32.0
pyZ = 1500
12.0
pyZ = 853
16.0
pyZ = 1100
19.0
pyZ = 1270
22.0
pyZ = 1440
25.0
pyZ = 1590
28.0
pyZ = 1740
32.0
pyZ = 1920
2500 2500 2500 2500 1 14900 14900 14800 14700 14500 14300
1070 726 368 0
1570 1570 1570 1570 550x550 1 7870 7870 7870 7800 7720 7640
638 428 215 0
1830 1830 1830 1830 1 9260 9260 9260 9170 9070 8970
748 502 253 0
2080 2080 2080 2080 1 10600 10600 10600 10500 10400 10300
856 575 290 0
2330 2330 2330 2330 1 12000 12000 12000 11800 11700 11600
961 646 326 0
2560 2560 2560 2560 1 13300 13300 13200 13100 13000 12800
1060 715 361 0
2860 2860 2860 2860 1 15000 15000 15000 14800 14600 14500
1190 805 407 0
3110 3110 3110 3110 1 16600 16600 16600 16400 16200 16100
1320 891 451 0
3350 3350 3350 3350 1 18200 18200 18200 18000 17800 17600
1440 974 494 0
2800 2800 2800 2800 600x600 1 13100 13100 13100 13100 12900 12800
1150 775 391 0
3090 3090 3090 3090 1 14600 14600 14600 14500 14300 14200
1280 858 433 0
3460 3460 3460 3460 1 16500 16500 16500 16400 16200 16000
1440 968 489 0
3800 3800 3800 3800 1 18300 18300 18300 18200 18000 17800
1590 1070 543 0
4090 4090 4090 4090 1 20100 20100 20100 19900 19700 19500
1740 1170 595 0
4060 4060 4060 4060 1 20400 20400 20400 20200 20000 19800
1750 1190 602 0
4340 4340 4340 4340 1 22300 22300 22300 22100 21900 21700
1910 1290 658 0
3320 3320 3320 3320 650x650 1 14300 14300 14300 14300 14200 14000
1360 916 462 0
3670 3670 3670 3670 1 15900 15900 15900 15800 15700 15600
1510 1020 512 0
4110 4110 4110 4110 1 18000 18000 18000 17900 17800 17600
1700 1150 579 0
4540 4540 4540 4540 1 20000 20000 20000 19900 19800 19600
1890 1270 643 0
4920 4920 4920 4920 1 22000 22000 22000 21900 21700 21500
2070 1390 706 0
4890 4890 4890 4890 1 22300 22300 22300 22200 22100 21900
2090 1410 715 0
5250 5250 5250 5250 1 24400 24400 24400 24400 24100 23900
2280 1540 782 0
3890 3890 3890 3890 700x700 1 15500 15500 15500 15500 15400 15300
1590 1070 538 0
4300 4300 4300 4300 1 17200 17200 17200 17200 17100 16900
1760 1190 597 0
4820 4820 4820 4820 1 19500 19500 19500 19500 19300 19200
1990 1340 676 0
5330 5330 5330 5330 1 21700 21700 21700 21700 21500 21300
2210 1490 752 0
36.0
pyZ = 2080
16.0
pyZ = 1350
19.0
pyZ = 1560
22.0
pyZ = 1770
25.0
pyZ = 1970
28.0
pyZ = 2150
32.0
pyZ = 2380
36.0
pyZ = 2590
40.0
pyZ = 2790
25.0
pyZ = 2380
28.0
pyZ = 2610
32.0
pyZ = 2890
36.0
pyZ = 3160
40.0
pyZ = 3410
45.0
pyZ = 3380
50.0
pyZ = 3620
25.0
pyZ = 2830
28.0
pyZ = 3100
32.0
pyZ = 3460
36.0
pyZ = 3790
40.0
pyZ = 4100
45.0
pyZ = 4070
50.0
pyZ = 4370
25.0
pyZ = 3320
28.0
pyZ = 3650
32.0
pyZ = 4070
36.0
pyZ = 4470
5810 5810 5810 5810 1 23900 23900 23900 23800 23700 23500
2420 1630 826 0
5800 5800 5800 5800 1 24200 24200 24200 24200 24100 23900
2450 1650 838 0
6240 6240 6240 6240 1 26600 26600 26600 26600 26400 26200
2680 1810 917 0
4490 4490 4490 4490 750x750 1 16700 16700 16700 16700 16600 16500
1840 1230 621 0
4970 4970 4970 4970 1 18500 18500 18500 18500 18400 18300
2040 1370 689 0
5590 5590 5590 5590 1 21000 21000 21000 21000 20900 20700
2300 1550 780 0
6190 6190 6190 6190 1 23400 23400 23400 23400 23300 23100
2560 1720 869 0
6760 6760 6760 6760 1 25700 25700 25700 25700 25600 25400
2810 1890 955 0
6780 6780 6780 6780 1 26200 26200 26200 26200 26100 25900
2840 1920 970 0
7310 7310 7310 7310 1 28700 28700 28700 28700 28600 28400
3110 2100 1060 0
5150 5150 5150 5150 800x800 1 17800 17800 17800 17800 17800 17700
2100 1410 709 0
5700 5700 5700 5700 1 19800 19800 19800 19800 19800 19700
2330 1570 788 0
6410 6410 6410 6410 1 22500 22500 22500 22500 22500 22300
2640 1770 893 0
7100 7100 7100 7100 1 25100 25100 25100 25100 25000 24900
2930 1970 994 0
7770 7770 7770 7770 1 27600 27600 27600 27600 27600 27400
3220 2170 1090 0
7840 7840 7840 7840 1 28100 28100 28100 28100 28100 27900
3260 2200 1110 0
8480 8480 8480 8480 1 30900 30900 30900 30900 30800 30600
3570 2410 1220 0
40.0
pyZ = 4840
45.0
pyZ = 4830
50.0
pyZ = 5200
25.0
pyZ = 3850
28.0
pyZ = 4240
32.0
pyZ = 4730
36.0
pyZ = 5210
40.0
pyZ = 5650
45.0
pyZ = 5650
50.0
pyZ = 6100
25.0
pyZ = 4420
28.0
pyZ = 4870
32.0
pyZ = 5450
36.0
pyZ = 6000
40.0
pyZ = 6520
45.0
pyZ = 6540
50.0
pyZ = 7060
AXIAL LOAD & BENDING
HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S235
for
8 9 10 11 12 13 14
5030 4840 4600 4330 4020 3690 3370
5720 5480 5210 4880 4520 4140 3760
6380 6120 5800 5430 5020 4590 4170
6870 6680 6460 6210 5910 5570 5200
7680 7470 7220 6920 6570 6180 5760
4560 4470 4370 4260 4130 3980 3810
5960 5840 5710 5560 5390 5180 4960
6980 6850 6690 6510 6300 6060 5790
7980 7820 7640 7430 7180 6900 6580
8960 8780 8570 8330 8050 7720 7360
9880 9680 9440 9160 8850 8480 8060
11100 10900 10600 10300 9900 9480 9000
5150 5080 4990 4890 4780 4660 4520
6750 6650 6530 6400 6260 6090 5900
7930 7810 7670 7510 7340 7140 6910
9080 8940 8780 8600 8400 8160 7900
10200 10000 9860 9650 9420 9150 8840
11300 11100 10900 10700 10400 10100 9760
12700 12500 12300 12000 11700 11300 10900
Compression Resistance Pc (kN)
Varying effective lengths LE (m) within the limiting value of F/Pz
14100 13800 13600 13300 12900 12500 12100
7550 7450 7350 7230 7100 6960 6800
8870 8750 8630 8490 8340 8160 7970
10200 10000 9890 9730 9550 9350 9130
11400 11300 11100 11000 10700 10500 10300
12700 12500 12300 12100 11900 11600 11300
14300 14100 13900 13700 13400 13100 12700
15900 15600 15400 15100 14800 14500 14100
17400 17100 16800 16500 16200 15800 15400
12700 12500 12400 12200 12000 11800 11600
14100 13900 13700 13500 13300 13100 12900
15900 15700 15500 15300 15100 14800 14500
17600 17400 17200 17000 16700 16400 16100
19300 19100 18900 18600 18300 18000 17600
19600 19400 19100 18900 18600 18300 17900
21400 21200 20900 20600 20300 19900 19500
13900 13800 13600 13500 13300 13100 12900
15400 15300 15100 14900 14800 14500 14300
17400 17300 17100 16900 16700 16400 16200
19400 19200 19000 18800 18500 18300 18000
21300 21100 20800 20600 20300 20000 19700
21600 21400 21200 20900 20700 20400 20100
23700 23400 23200 22900 22600 22300 21900
15100 15000 14900 14700 14600 14400 14200
16800 16700 16500 16300 16200 16000 15800
19000 18800 18700 18500 18300 18100 17800
21200 21000 20800 20600 20300 20100 19800
23300 23100 22800 22600 22300 22100 21800
23700 23400 23200 23000 22700 22500 22200
25900 25700 25500 25200 24900 24600 24300
16400 16200 16100 15900 15800 15600 15500
18200 18000 17900 17700 17600 17400 17200
20600 20400 20200 20100 19900 19700 19500
22900 22700 22500 22300 22100 21900 21700
25200 25000 24800 24600 24300 24100 23800
25700 25500 25300 25000 24800 24500 24300
28200 27900 27700 27500 27200 26900 26600
17600 17500 17300 17200 17000 16900 16700
19500 19400 19300 19100 18900 18800 18600
22100 22000 21800 21600 21500 21300 21100
24700 24500 24300 24100 23900 23700 23500
27200 27000 26800 26500 26300 26100 25800
27700 27500 27300 27100 26800 26600 26300
30400 30200 30000 29700 29500 29200 28900
BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136
HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6
350x350 190 7870 - 964 964 964 964 964 964 964
1 964 952 914 852 764 652 528
217 8970 - 1080 1080 1080 1080 1080 1080 1080
1 1080 1070 1030 960 861 738 598
242 10000 - 1180 1180 1180 1180 1180 1180 1180
1 1180 1180 1140 1060 953 819 665
400x400 251 10400 - 1450 1450 1450 1450 1450 1450 1450
1 1450 1440 1380 1280 1150 985 797
282 11700 - 1600 1600 1600 1600 1600 1600 1600
1 1600 1590 1530 1430 1280 1100 889
450x450 162 6730 1 985 985 985 985 985 985 985
0 - - - - - - -
213 8810 - 1420 1420 1420 1420 1420 1420 1420
1 1420 1400 1350 1250 1120 956 771
250 10300 - 1650 1650 1650 1650 1650 1650 1650
1 1650 1630 1570 1460 1310 1120 900
286 11800 - 1880 1880 1880 1880 1880 1880 1880
1 1880 1850 1780 1660 1490 1270 1020
321 13300 - 2090 2090 2090 2090 2090 2090 2090
1 2090 2060 1980 1840 1650 1420 1150
355 14700 - 2270 2270 2270 2270 2270 2270 2270
1 2270 2260 2170 2020 1820 1550 1260
399 16500 - 2500 2500 2500 2500 2500 2500 2500
1 2500 2500 2410 2250 2020 1740 1410
500x500 181 7510*
1150 1150 1150 1150 1150 1150 1150
- - - - - - -
238 9850 - 1770 1770 1770 1770 1770 1770 1770
1 1770 1750 1680 1570 1400 1190 960
280 11600 - 2070 2070 2070 2070 2070 2070 2070
1 2070 2040 1960 1830 1640 1390 1120
320 13300 - 2350 2350 2350 2350 2350 2350 2350
1 2350 2320 2230 2080 1860 1590 1280
360 14900 - 2620 2620 2620 2620 2620 2620 2620
1 2620 2590 2490 2320 2080 1770 1430
399 16500 - 2880 2880 2880 2880 2880 2880 2880
1 2880 2850 2730 2550 2280 1950 1580
450 18600 - 3180 3180 3180 3180 3180 3180 3180
1 3180 3170 3050 2840 2550 2190 1770
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
12.0 Mc
Mr
16.0 Mc
Mr
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
12.0 Mc
Mr
16.0 Mc
Mr
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
498 20600 - 3460 3460 3460 3460 3460 3460 3460
1 3460 3460 3340 3110 2790 2400 1950
550x550 263 10900 1 2070 2070 2070 2070 2070 2070 2070
0 - - - - - - -
309 12800 - 2530 2530 2530 2530 2530 2530 2530
1 2530 2500 2400 2230 2000 1700 1370
355 14700 - 2880 2880 2880 2880 2880 2880 2880
1 2880 2840 2730 2540 2280 1940 1570
399 16500 - 3220 3220 3220 3220 3220 3220 3220
1 3220 3180 3050 2840 2550 2170 1760
443 18300 - 3550 3550 3550 3550 3550 3550 3550
1 3550 3500 3360 3130 2810 2400 1940
500 20700 - 3950 3950 3950 3950 3950 3950 3950
1 3950 3910 3760 3500 3140 2690 2180
555 23000 - 4310 4310 4310 4310 4310 4310 4310
1 4310 4300 4130 3840 3450 2960 2400
608 25200 - 4630 4630 4630 4630 4630 4630 4630
1 4630 4630 4480 4180 3750 3220 2620
600x600 439 18200 - 3880 3880 3880 3880 3880 3880 3880
1 3880 3830 3670 3420 3060 2610 2110
487 20200 - 4280 4280 4280 4280 4280 4280 4280
1 4280 4220 4050 3780 3380 2890 2330
550 22800 - 4790 4790 4790 4790 4790 4790 4790
1 4790 4720 4540 4230 3790 3240 2620
611 25300 - 5250 5250 5250 5250 5250 5250 5250
1 5250 5200 5000 4660 4180 3580 2900
671 27800 - 5660 5660 5660 5660 5660 5660 5660
1 5660 5660 5440 5060 4550 3900 3160
743 27900 - 5570 5570 5570 5570 5570 5570 5570
1 5570 5570 5410 5040 4520 3890 3160
813 30600 - 5960 5960 5960 5960 5960 5960 5960
1 5960 5960 5840 5450 4890 4220 3440
650x650 478 19800 - 4600 4600 4600 4600 4600 4600 4600
1 4600 4540 4350 4050 3630 3100 2500
531 22000 - 5070 5070 5070 5070 5070 5070 5070
1 5070 5010 4810 4480 4010 3420 2760
600 24900 - 5690 5690 5690 5690 5690 5690 5690
1 5690 5620 5390 5020 4500 3850 3110
668 27700 - 6280 6280 6280 6280 6280 6280 6280
1 6280 6200 5950 5540 4970 4250 3440
734 30400 - 6800 6800 6800 6800 6800 6800 6800
1 6800 6750 6490 6040 5420 4650 3760
814 30600 - 6710 6710 6710 6710 6710 6710 6710
1 6710 6710 6460 6020 5400 4640 3770
891 33500 - 7200 7200 7200 7200 7200 7200 7200
1 7200 7200 7000 6530 5860 5050 4100
700x700 517 21400 - 5380 5380 5380 5380 5380 5380 5380
1 5380 5300 5090 4740 4250 3620 2910
575 23800 - 5940 5940 5940 5940 5940 5940 5940
1 5940 5860 5630 5240 4700 4000 3230
651 26900 - 6670 6670 6670 6670 6670 6670 6670
1 6670 6590 6320 5890 5280 4510 3640
724 30000 - 7370 7370 7370 7370 7370 7370 7370
1 7370 7280 6990 6510 5840 4990 4030
36.0 Mc
Mr
16.0 Mc
Mr
19.0 Mc
Mr
22.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
797 33000 - 8040 8040 8040 8040 8040 8040 8040
1 8040 7940 7630 7110 6370 5460 4420
885 33200 - 7950 7950 7950 7950 7950 7950 7950
1 7950 7930 7610 7090 6360 5460 4430
970 36500 - 8560 8560 8560 8560 8560 8560 8560
1 8560 8560 8270 7710 6920 5950 4830
750x750 556 23000 - 6210 6210 6210 6210 6210 6210 6210
1 6210 6130 5890 5480 4910 4180 3370
619 25600 - 6880 6880 6880 6880 6880 6880 6880
1 6880 6790 6520 6070 5440 4630 3730
701 29000 - 7730 7730 7730 7730 7730 7730 7730
1 7730 7630 7330 6820 6110 5220 4210
781 32300 - 8550 8550 8550 8550 8550 8550 8550
1 8550 8440 8110 7550 6770 5780 4670
859 35600 - 9350 9350 9350 9350 9350 9350 9350
1 9350 9230 8860 8250 7400 6330 5120
955 35900 - 9300 9300 9300 9300 9300 9300 9300
1 9300 9220 8860 8250 7400 6340 5140
1048 39400 - 10000 10000 10000 10000 10000 10000 10000
1 10000 10000 9640 8980 8060 6920 5610
800x800 596 24700 - 7120 7120 7120 7120 7120 7120 7120
1 7120 7020 6740 6270 5620 4780 3850
663 27400 - 7880 7880 7880 7880 7880 7880 7880
1 7880 7780 7470 6950 6230 5300 4270
751 31100 - 8870 8870 8870 8870 8870 8870 8870
1 8870 8750 8400 7820 7010 5980 4820
837 34700 - 9820 9820 9820 9820 9820 9820 9820
1 9820 9700 9310 8670 7770 6630 5350
922 38200 - 10700 10700 10700 10700 10700 10700 10700
1 10700 10600 10200 9490 8500 7270 5870
1026 38600 - 10800 10800 10800 10800 10800 10800 10800
1 10800 10600 10200 9500 8520 7290 5900
1127 42400 - 11600 11600 11600 11600 11600 11600 11600
1 11600 11600 11100 10400 9290 7970 6450
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
25.0 Mc
Mr
28.0 Mc
Mr
32.0 Mc
Mr
36.0 Mc
Mr
40.0 Mc
Mr
45.0 Mc
Mr
50.0 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGJIS G3136
HOT-FINISHEDJUMBO SQUARE HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit
D t
0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7
964 964 964 964 350x350 1 7870 7750 7620 7460 7270 7020
400 270 136 0
1080 1080 1080 1080 1 8970 8840 8680 8490 8260 7980
454 306 155 0
1180 1180 1180 1180 1 10000 9890 9710 9500 9240 8910
506 342 173 0
1450 1450 1450 1450 400x400 1 10400 10300 10200 10000 9800 9570
604 407 206 0
1600 1600 1600 1600 1 11700 11600 11400 11200 11000 10700
675 456 231 0
985 985 985 985 450x450 1 6730 6710 6630 6540 6450 6340
- - - -
1420 1420 1420 1420 1 8810 8780 8680 8560 8430 8290
582 391 197 0
1650 1650 1650 1650 1 10300 10300 10200 10000 9890 9710
680 457 231 0
1880 1880 1880 1880 1 11800 11800 11600 11500 11300 11100
776 522 264 0
2090 2090 2090 2090 1 13300 13200 13100 12900 12700 12500
868 585 296 0
2270 2270 2270 2270 1 14700 14600 14400 14200 14000 13800
956 645 327 0
2500 2500 2500 2500 1 16500 16500 16300 16000 15800 15500
1070 724 367 0
1150 1150 1150 $ 500x500*
7160 7160 7100 7020 6940 6840
- - - -
1770 1770 1770 1770 1 9850 9850 9750 9640 9520 9380
725 486 245 0
2070 2070 2070 2070 1 11600 11600 11500 11300 11200 11000
848 570 287 0
2350 2350 2350 2350 1 13300 13300 13100 13000 12800 12600
969 652 329 0
2620 2620 2620 2620 1 14900 14900 14800 14600 14400 14200
1090 731 369 0
2880 2880 2880 2880 1 16500 16500 16300 16100 15900 15700
1200 808 408 0
3180 3180 3180 3180 1 18600 18600 18400 18200 17900 17700
1350 908 460 0
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths LE
19.0
pyZ = 805
22.0
pyZ = 898
25.0
pyZ = 982
22.0
pyZ = 1210
25.0
pyZ = 1340
12.0
pyZ = 945
16.0
pyZ = 1210
19.0
pyZ = 1400
22.0
pyZ = 1580
25.0
pyZ = 1740
28.0
pyZ = 1890
32.0
pyZ = 2080
12.0
pyZ = 1180
16.0
pyZ = 1520
19.0
pyZ = 1760
22.0
pyZ = 1990
25.0
pyZ = 2200
28.0
pyZ = 2400
32.0
pyZ = 2650
3460 3460 3460 3460 1 20600 20600 20400 20100 19900 19600
1480 1000 509 0
2070 2070 2070 2070 550x550 1 10900 10900 10800 10700 10600 10500
- - - -
2530 2530 2530 2530 1 12800 12800 12700 12600 12500 12300
1040 695 350 0
2880 2880 2880 2880 1 14700 14700 14600 14500 14300 14100
1180 795 401 0
3220 3220 3220 3220 1 16500 16500 16400 16300 16100 15900
1330 894 451 0
3550 3550 3550 3550 1 18300 18300 18200 18000 17800 17600
1470 988 499 0
3950 3950 3950 3950 1 20700 20700 20600 20300 20100 19900
1650 1110 563 0
4310 4310 4310 4310 1 23000 23000 22800 22600 22300 22000
1820 1230 624 0
4630 4630 4630 4630 1 25200 25200 25000 24700 24400 24100
1990 1350 683 0
3880 3880 3880 3880 600x600 1 18200 18200 18100 17900 17800 17600
1600 1070 541 0
4280 4280 4280 4280 1 20200 20200 20100 19900 19700 19500
1760 1190 599 0
4790 4790 4790 4790 1 22800 22800 22700 22500 22300 22000
1990 1340 676 0
5250 5250 5250 5250 1 25300 25300 25200 25000 24700 24500
2200 1480 751 0
5660 5660 5660 5660 1 27800 27800 27700 27400 27100 26800
2410 1620 823 0
5570 5570 5570 5570 1 27900 27900 27900 27600 27300 27000
2410 1630 826 0
5960 5960 5960 5960 1 30600 30600 30500 30200 29900 29500
2620 1780 902 0
4600 4600 4600 4600 650x650 1 19800 19800 19800 19600 19500 19300
1890 1270 638 0
5070 5070 5070 5070 1 22000 22000 22000 21800 21600 21400
2090 1400 708 0
5690 5690 5690 5690 1 24900 24900 24900 24600 24400 24200
2350 1590 800 0
6280 6280 6280 6280 1 27700 27700 27600 27400 27200 26900
2610 1760 889 0
6800 6800 6800 6800 1 30400 30400 30400 30100 29800 29500
2860 1930 976 0
6710 6710 6710 6710 1 30600 30600 30600 30300 30100 29800
2860 1940 981 0
7200 7200 7200 7200 1 33500 33500 33500 33200 32900 32600
3120 2110 1070 0
5380 5380 5380 5380 700x700 1 21400 21400 21400 21300 21100 21000
2200 1480 744 0
5940 5940 5940 5940 1 23800 23800 23800 23700 23500 23300
2440 1640 826 0
6670 6670 6670 6670 1 26900 26900 26900 26800 26600 26300
2750 1850 935 0
7370 7370 7370 7370 1 30000 30000 30000 29800 29600 29300
3060 2060 1040 0
36.0
pyZ = 2880
16.0
pyZ = 1860
19.0
pyZ = 2160
22.0
pyZ = 2450
25.0
pyZ = 2720
28.0
pyZ = 2970
32.0
pyZ = 3290
36.0
pyZ = 3590
40.0
pyZ = 3860
25.0
pyZ = 3290
28.0
pyZ = 3600
32.0
pyZ = 4000
36.0
pyZ = 4370
40.0
pyZ = 4720
45.0
pyZ = 4640
50.0
pyZ = 4960
25.0
pyZ = 3910
28.0
pyZ = 4290
32.0
pyZ = 4780
36.0
pyZ = 5240
40.0
pyZ = 5660
45.0
pyZ = 5590
50.0
pyZ = 6000
25.0
pyZ = 4590
28.0
pyZ = 5050
32.0
pyZ = 5630
36.0
pyZ = 6180
8040 8040 8040 8040 1 33000 33000 33000 32800 32500 32200
3350 2260 1140 0
7950 7950 7950 7950 1 33200 33200 33200 33100 32800 32500
3360 2270 1150 0
8560 8560 8560 8560 1 36500 36500 36500 36300 36000 35700
3670 2480 1260 0
6210 6210 6210 6210 750x750 1 23000 23000 23000 23000 22800 22600
2540 1710 858 0
6880 6880 6880 6880 1 25600 25600 25600 25500 25400 25200
2820 1890 953 0
7730 7730 7730 7730 1 29000 29000 29000 28900 28700 28500
3180 2140 1080 0
8550 8550 8550 8550 1 32300 32300 32300 32200 32000 31700
3540 2380 1200 0
9350 9350 9350 9350 1 35600 35600 35600 35500 35200 34900
3880 2610 1320 0
9300 9300 9300 9300 1 35900 35900 35900 35800 35600 35300
3900 2630 1330 0
10000 10000 10000 10000 1 39400 39400 39400 39300 39000 38700
4260 2880 1460 0
7120 7120 7120 7120 800x800 1 24700 24700 24700 24700 24500 24300
2910 1950 981 0
7880 7880 7880 7880 1 27400 27400 27400 27400 27200 27000
3220 2160 1090 0
8870 8870 8870 8870 1 31100 31100 31100 31100 30900 30700
3650 2450 1230 0
9820 9820 9820 9820 1 34700 34700 34700 34600 34400 34200
4050 2730 1370 0
10700 10700 10700 10700 1 38200 38200 38200 38100 37900 37600
4450 3000 1510 0
10800 10800 10800 10800 1 38600 38600 38600 38600 38300 38000
4480 3020 1530 0
11600 11600 11600 11600 1 42400 42400 42400 42400 42100 41800
4900 3310 1670 0
40.0
pyZ = 6700
45.0
pyZ = 6630
50.0
pyZ = 7130
25.0
pyZ = 5320
28.0
pyZ = 5860
32.0
pyZ = 6550
36.0
pyZ = 7200
40.0
pyZ = 7820
45.0
pyZ = 7750
50.0
pyZ = 8360
25.0
pyZ = 6110
28.0
pyZ = 6730
32.0
pyZ = 7530
36.0
pyZ = 8300
40.0
pyZ = 9020
45.0
pyZ = 8970
50.0
pyZ = 9690
AXIAL LOAD & BENDING
HOT-FINISHED <>JUMBO SQUARE HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
8 9 10 11 12 13 14
6710 6310 5830 5290 4740 4220 3760
7610 7130 6560 5930 5290 4710 4180
8490 7940 7290 6570 5860 5210 4620
9280 8930 8490 7950 7350 6710 6080
10400 9960 9450 8830 8130 7410 6700
6210 6060 5880 5650 5390 5080 4740
8110 7910 7660 7360 7000 6590 6130
9510 9270 8970 8610 8180 7690 7150
10900 10600 10200 9800 9290 8710 8080
12200 11900 11500 11000 10400 9740 9020
13400 13100 12600 12100 11400 10600 9840
15100 14700 14100 13500 12700 11800 10900
6740 6620 6480 6320 6130 5900 5640
9230 9050 8850 8600 8310 7970 7570
10800 10600 10400 10100 9740 9330 8860
12400 12200 11900 11500 11100 10700 10100
13900 13700 13300 12900 12500 11900 11300
15400 15100 14700 14300 13800 13100 12400
17400 17000 16600 16100 15400 14700 13900
Compression Resistance Pc (kN)
Varying effective lengths LE (m) within the limiting value of F/Pz
19200 18800 18300 17700 17000 16200 15300
10300 10200 10000 9800 9560 9280 8950
12100 12000 11700 11500 11200 10900 10500
13900 13700 13500 13200 12800 12400 12000
15700 15400 15100 14800 14400 14000 13500
17300 17100 16800 16400 15900 15400 14800
19600 19200 18900 18400 17900 17300 16600
21700 21300 20900 20400 19800 19200 18400
23800 23300 22900 22300 21700 20900 20000
17400 17200 16900 16600 16300 15900 15500
19300 19000 18700 18400 18000 17600 17100
21800 21500 21200 20800 20400 19900 19300
24200 23800 23500 23000 22600 22000 21300
26500 26100 25700 25200 24700 24100 23300
26700 26300 25900 25500 25000 24400 23700
29200 28800 28300 27800 27200 26600 25800
19100 18900 18600 18400 18100 17800 17400
21200 20900 20700 20400 20100 19700 19300
23900 23700 23400 23000 22700 22200 21700
26600 26300 26000 25600 25200 24700 24100
29200 28900 28500 28100 27600 27000 26400
29500 29100 28800 28400 27900 27400 26800
32200 31900 31500 31000 30500 29900 29300
20800 20600 20400 20100 19900 19600 19200
23100 22800 22600 22300 22000 21700 21300
26100 25800 25600 25300 24900 24500 24100
29100 28800 28500 28100 27700 27300 26800
31900 31600 31300 30900 30500 30000 29400
32200 31900 31600 31200 30800 30300 29800
35300 35000 34600 34200 33700 33200 32600
22500 22300 22100 21800 21600 21300 21000
25000 24700 24500 24300 24000 23700 23400
28300 28000 27800 27500 27200 26800 26400
31500 31200 30900 30600 30200 29800 29400
34600 34300 34000 33600 33200 32800 32300
35000 34700 34400 34000 33600 33200 32800
38400 38000 37700 37300 36900 36400 35900
24200 24000 23800 23600 23300 23100 22800
26800 26600 26400 26200 25900 25600 25300
30400 30200 29900 29700 29400 29100 28700
33900 33600 33400 33100 32700 32400 32000
37300 37000 36700 36400 36000 35600 35200
37700 37500 37100 36800 36400 36100 35600
41500 41100 40800 40400 40000 39600 39100
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
50x25 2.15 97.3 1.43 1.43 1.43 1.43 1.43 1.43 1.43 1.43
n/a n/a 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93
1 1 1.43 1.43 1.43 1.36 1.25 1.1 0.913 0.703
0.93 0.913 0.863 0.78 0.68 0.573 0.464 0.352
2.62 119 1.68 1.68 1.68 1.68 1.68 1.68 1.68 1.68
n/a n/a 1.11 1.11 1.11 1.11 1.11 1.11 1.11 1.11
1 1 1.68 1.68 1.68 1.64 1.5 1.32 1.1 0.85
1.11 1.09 1.03 0.935 0.814 0.689 0.56 0.426
3.07 139 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9
n/a n/a 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25
1 1 1.9 1.9 1.9 1.88 1.72 1.51 1.27 0.986
1.25 1.24 1.17 1.07 0.937 0.795 0.648 0.495
50x30 2.31 104 1.62 1.62 1.62 1.62 1.62 1.62 1.62 1.62
n/a n/a 1.18 1.18 1.18 1.18 1.18 1.18 1.18 1.18
1 1 1.62 1.62 1.61 1.51 1.38 1.2 0.992 0.758
1.18 1.16 1.11 1.01 0.882 0.743 0.601 0.455
2.82 127 1.93 1.93 1.93 1.93 1.93 1.93 1.93 1.93
n/a n/a 1.41 1.41 1.41 1.41 1.41 1.41 1.41 1.41
1 1 1.93 1.93 1.93 1.82 1.66 1.45 1.2 0.918
1.41 1.39 1.32 1.21 1.06 0.896 0.726 0.552
3.3 149 2.19 2.19 2.19 2.19 2.19 2.19 2.19 2.19
n/a n/a 1.62 1.62 1.62 1.62 1.62 1.62 1.62 1.62
1 1 2.19 2.19 2.19 2.1 1.91 1.68 1.39 1.07
1.62 1.6 1.52 1.39 1.22 1.04 0.843 0.642
4.2 190 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6
n/a n/a 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9
1 1 2.6 2.6 2.6 2.57 2.35 2.06 1.71 1.34
1.9 1.9 1.85 1.7 1.51 1.29 1.05 0.805
60x30 3.77 171 2.91 2.91 2.91 2.91 2.91 2.91 2.91 2.91
n/a n/a 1.91 1.91 1.91 1.91 1.91 1.91 1.91 1.91
1 1 2.91 2.91 2.91 2.82 2.58 2.28 1.9 1.47
1.91 1.88 1.78 1.62 1.41 1.19 0.967 0.736
4.83 218 3.51 3.51 3.51 3.51 3.51 3.51 3.51 3.51
n/a n/a 2.29 2.29 2.29 2.29 2.29 2.29 2.29 2.29
1 1 3.51 3.51 3.51 3.49 3.2 2.82 2.36 1.85
2.29 2.29 2.18 2 1.75 1.49 1.21 0.929
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
2.0 Mcx
Mcy
Mrx
Mry
2.5 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
2.0 Mcx
Mcy
Mrx
Mry
2.5 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
60x40 3.6 163 3.14 3.14 3.14 3.14 3.14 3.14 3.14 3.14
n/a n/a 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43
1 1 3.14 3.14 3.07 2.88 2.62 2.28 1.88 1.42
2.43 2.39 2.28 2.09 1.84 1.55 1.25 0.948
4.25 192 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6
n/a n/a 2.82 2.82 2.82 2.82 2.82 2.82 2.82 2.82
1 1 3.6 3.6 3.55 3.34 3.03 2.65 2.19 1.67
2.82 2.78 2.65 2.43 2.14 1.81 1.46 1.11
5.45 247 4.39 4.39 4.39 4.39 4.39 4.39 4.39 4.39
n/a n/a 3.47 3.47 3.47 3.47 3.47 3.47 3.47 3.47
1 1 4.39 4.39 4.39 4.2 3.83 3.35 2.77 2.11
3.47 3.46 3.3 3.03 2.69 2.28 1.85 1.41
6.56 297 5.03 5.03 5.03 5.03 5.03 5.03 5.03 5.03
n/a n/a 3.92 3.92 3.92 3.92 3.92 3.92 3.92 3.92
1 1 5.03 5.03 5.03 4.91 4.47 3.92 3.28 2.51
3.92 3.92 3.83 3.52 3.16 2.69 2.19 1.68
70x40 4.72 213 4.56 4.56 4.56 4.56 4.56 4.56 4.56 4.56
n/a n/a 3.21 3.21 3.21 3.21 3.21 3.21 3.21 3.21
1 1 4.56 4.56 4.54 4.28 3.9 3.42 2.83 2.16
3.21 3.16 3 2.73 2.39 2.01 1.63 1.24
6.08 275 5.58 5.58 5.58 5.58 5.58 5.58 5.58 5.58
n/a n/a 4.01 4.01 4.01 4.01 4.01 4.01 4.01 4.01
1 1 5.58 5.58 5.58 5.36 4.9 4.3 3.57 2.76
4.01 3.94 3.74 3.41 3.01 2.55 2.07 1.58
70x50 5.19 235 5.37 5.37 5.37 5.37 5.37 5.37 5.37 5.37
n/a n/a 4.33 4.33 4.33 4.33 4.33 4.33 4.33 4.33
1 1 5.37 5.37 5.21 4.89 4.43 3.85 3.15 2.39
4.33 4.27 4.07 3.75 3.31 2.79 2.25 1.71
6.71 304 6.65 6.65 6.65 6.65 6.65 6.65 6.65 6.65
n/a n/a 5.47 5.47 5.47 5.47 5.47 5.47 5.47 5.47
1 1 6.65 6.65 6.6 6.19 5.62 4.9 4.02 3.06
5.47 5.39 5.14 4.74 4.2 3.55 2.88 2.19
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
2.5 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
80x40 5.19 235 5.58 5.58 5.58 5.58 5.58 5.58 5.58 5.58
n/a n/a 3.62 3.62 3.62 3.62 3.62 3.62 3.62 3.62
1 1 5.58 5.58 5.58 5.28 4.82 4.24 3.53 2.72
3.62 3.56 3.36 3.04 2.63 2.22 1.8 1.36
6.71 304 6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9
n/a n/a 4.54 4.54 4.54 4.54 4.54 4.54 4.54 4.54
1 1 6.9 6.9 6.9 6.69 6.12 5.39 4.5 3.48
4.54 4.46 4.22 3.83 3.33 2.82 2.29 1.74
8.13 369 8.01 8.01 8.01 8.01 8.01 8.01 8.01 8.01
n/a n/a 5.24 5.24 5.24 5.24 5.24 5.24 5.24 5.24
1 1 8.01 8.01 8.01 7.9 7.23 6.37 5.31 4.18
5.24 5.23 4.94 4.54 3.97 3.37 2.75 2.1
80x50 5.66 256 6.52 6.52 6.52 6.52 6.52 6.52 6.52 6.52
n/a n/a 4.83 4.83 4.83 4.83 4.83 4.83 4.83 4.83
1 1 6.52 6.52 6.37 5.98 5.44 4.75 3.91 2.98
4.83 4.75 4.52 4.14 3.62 3.05 2.46 1.87
7.34 332 8.14 8.14 8.14 8.14 8.14 8.14 8.14 8.14
n/a n/a 6.11 6.11 6.11 6.11 6.11 6.11 6.11 6.11
1 1 8.14 8.14 8.13 7.65 6.97 6.1 5.03 3.83
6.11 6.01 5.72 5.23 4.61 3.89 3.16 2.4
8.91 405 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5
n/a n/a 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2
1 1 9.5 9.5 9.5 9.08 8.27 7.23 5.97 4.63
7.2 7.16 6.82 6.24 5.52 4.67 3.8 2.9
80x60 6.13 277 7.46 7.46 7.46 7.46 7.46 7.46 7.46 7.46
n/a n/a 6.18 6.18 6.18 6.18 6.18 6.18 6.18 6.18
1 1 7.46 7.44 7.17 6.71 6.08 5.27 4.28 3.24
6.18 6.09 5.82 5.36 4.73 3.98 3.21 2.43
7.97 359 9.37 9.37 9.37 9.37 9.37 9.37 9.37 9.37
n/a n/a 7.85 7.85 7.85 7.85 7.85 7.85 7.85 7.85
1 1 9.37 9.37 9.13 8.57 7.77 6.76 5.48 4.16
7.85 7.73 7.39 6.83 6.03 5.08 4.11 3.12
9.7 440 11 11 11 11 11 11 11 11
n/a n/a 9.33 9.33 9.33 9.33 9.33 9.33 9.33 9.33
1 1 11 11 10.9 10.2 9.25 8.02 6.65 5.06
9.33 9.24 8.83 8.14 7.19 6.15 4.99 3.8
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
RECTANGULAR HOLLOW SECTIONSTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
90x50 6.13 277 7.75 7.75 7.75 7.75 7.75 7.75 7.75 7.75
n/a 1 5.28 5.28 5.28 5.28 5.28 5.28 5.28 5.28
1 0 7.75 7.75 7.66 7.21 6.58 5.77 4.77 3.64
- - - - - - - -
7.06 319 8.78 8.78 8.78 8.78 8.78 8.78 8.78 8.78
n/a n/a 6.07 6.07 6.07 6.07 6.07 6.07 6.07 6.07
1 1 8.78 8.78 8.75 8.24 7.52 6.6 5.47 4.17
6.07 5.97 5.66 5.15 4.49 3.78 3.06 2.32
7.97 359 9.71 9.71 9.71 9.71 9.71 9.71 9.71 9.71
n/a n/a 6.78 6.78 6.78 6.78 6.78 6.78 6.78 6.78
1 1 9.71 9.71 9.71 9.21 8.41 7.39 6.15 4.66
6.78 6.67 6.33 5.76 5 4.22 3.42 2.59
9.7 440 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4
n/a n/a 8.05 8.05 8.05 8.05 8.05 8.05 8.05 8.05
1 1 11.4 11.4 11.4 11 10 8.8 7.3 5.67
8.05 7.92 7.51 6.83 6.03 5.1 4.15 3.16
100x40 6.13 277 7.88 7.88 7.88 7.88 7.88 7.88 7.88 7.88
n/a 1 4.03 4.03 4.03 4.03 4.03 4.03 4.03 4.03
1 0 7.88 7.88 7.88 7.6 6.97 6.16 5.17 3.99
- - - - - - - -
7.97 359 9.84 9.84 9.84 9.84 9.84 9.84 9.84 9.84
n/a n/a 5.57 5.57 5.57 5.57 5.57 5.57 5.57 5.57
1 1 9.84 9.84 9.84 9.74 8.95 7.93 6.68 5.21
5.57 5.46 5.12 4.56 3.96 3.35 2.72 2.07
9.7 440 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5
n/a n/a 6.56 6.56 6.56 6.56 6.56 6.56 6.56 6.56
1 1 11.5 11.5 11.5 11.5 10.6 9.4 7.9 6.13
6.56 6.43 6.02 5.46 4.77 4.04 3.29 2.51
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.0 Mcx
Mcy
Mrx
Mry
3.5 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
100x50 6.6 299 9.07 9.07 9.07 9.07 9.07 9.07 9.07 9.07
n/a 1 5.36 5.36 5.36 5.36 5.36 5.36 5.36 5.36
1 0 9.07 9.07 9.06 8.54 7.8 6.86 5.71 4.36
- - - - - - - -
8.59 387 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4
n/a n/a 7.42 7.42 7.42 7.42 7.42 7.42 7.42 7.42
1 1 11.4 11.4 11.4 10.9 10 8.81 7.36 5.6
7.42 7.29 6.89 6.23 5.41 4.56 3.69 2.8
10.5 476 13.5 13.5 13.5 13.5 13.5 13.5 13.5 13.5
n/a n/a 8.88 8.88 8.88 8.88 8.88 8.88 8.88 8.88
1 1 13.5 13.5 13.5 13 11.9 10.5 8.75 6.82
8.88 8.72 8.24 7.5 6.53 5.53 4.49 3.42
12.3 554 15.3 15.3 15.3 15.3 15.3 15.3 15.3 15.3
n/a n/a 10 10 10 10 10 10 10 10
1 1 15.3 15.3 15.3 15 13.8 12.1 10.2 7.87
10 9.94 9.4 8.57 7.48 6.35 5.17 3.95
100x60 7.07 320 10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3
n/a 1 6.78 6.78 6.78 6.78 6.78 6.78 6.78 6.78
1 0 10.3 10.3 10 9.43 8.59 7.51 6.19 4.68
- - - - - - - -
8.16 369 11.7 11.7 11.7 11.7 11.7 11.7 11.7 11.7
n/a n/a 8.45 8.45 8.45 8.45 8.45 8.45 8.45 8.45
1 1 11.7 11.7 11.5 10.8 9.8 8.57 7.06 5.39
8.45 8.31 7.9 7.21 6.29 5.29 4.27 3.23
9.22 415 13 13 13 13 13 13 13 13
n/a n/a 9.44 9.44 9.44 9.44 9.44 9.44 9.44 9.44
1 1 13 13 12.8 12.1 11 9.66 7.99 6.03
9.44 9.29 8.84 8.08 7.02 5.91 4.78 3.62
11.3 511 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4
n/a n/a 11.3 11.3 11.3 11.3 11.3 11.3 11.3 11.3
1 1 15.4 15.4 15.4 14.5 13.2 11.6 9.56 7.37
11.3 11.1 10.6 9.67 8.5 7.18 5.82 4.43
13.2 596 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5
n/a n/a 13 13 13 13 13 13 13 13
1 1 17.5 17.5 17.5 16.8 15.3 13.4 11.1 8.53
13 12.8 12.2 11.1 9.78 8.28 6.73 5.13
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
3.5 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
100x80 8.01 362 12.6 12.6 12.6 12.6 12.6 12.6 12.6 12.6
n/a 1 9.87 9.87 9.87 9.87 9.87 9.87 9.87 9.87
1 0 12.6 12.4 12 11.2 10.1 8.72 7.05 5.32
- - - - - - - -
10.5 472 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1
n/a n/a 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9
1 1 16.1 16 15.4 14.4 13 11.3 9.11 6.9
13.9 13.7 13.1 12.1 10.8 9.03 7.29 5.52
12.8 582 19.3 19.3 19.3 19.3 19.3 19.3 19.3 19.3
n/a n/a 16.8 16.8 16.8 16.8 16.8 16.8 16.8 16.8
1 1 19.3 19.3 18.6 17.4 15.7 13.6 11.1 8.45
16.8 16.5 15.8 14.6 12.9 11 8.91 6.76
120x40 7.07 320 10.5 10.5 10.5 10.5 10.5 10.5 10.5 9.84
0.82*
4.17 4.17 4.17 4.17 4.17 4.17 4.17 4.17
0.532 10.5 10.5 10.5 10.4 9.51 8.43 - -
- - - - - - - -
9.22 415 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.2
n/a 1 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5
1 0 13.2 13.2 13.2 13.2 12.2 10.8 9.16 7.18
- - - - - - - -
11.3 511 15.7 15.7 15.7 15.7 15.7 15.7 15.7 15.7
n/a n/a 7.81 7.81 7.81 7.81 7.81 7.81 7.81 7.81
1 1 15.7 15.7 15.7 15.7 14.6 12.9 10.9 8.52
7.81 7.63 7.07 6.37 5.56 4.71 3.83 2.92
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
120x60 8.01 362 13.4 13.4 13.4 13.4 13.4 13.4 12.8 12.3
0.82*
6.99 6.99 6.99 6.99 6.99 6.99 6.99 6.99
0.47 13.4 13.4 13.3 12.5 11.5 - - -
- - - - - - - -
9.26 419 15.3 15.3 15.3 15.3 15.3 15.3 15.3 15.3
n/a 1 8.91 8.91 8.91 8.91 8.91 8.91 8.91 8.91
1 0 15.3 15.3 15.2 14.4 13.1 11.5 9.58 7.34
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.0 Mcx
Mcy
Mrx
Mry
3.5 Mcx
Mcy
Mrx
- - - - - - - -
10.5 472 17.1 17.1 17.1 17.1 17.1 17.1 17.1 17.1
n/a 1 10.9 10.9 10.9 10.9 10.9 10.9 10.9 10.9
1 0 17.1 17.1 17.1 16.2 14.8 13 10.9 8.25
- - - - - - - -
12.8 582 20.4 20.4 20.4 20.4 20.4 20.4 20.4 20.4
n/a n/a 13.3 13.3 13.3 13.3 13.3 13.3 13.3 13.3
1 1 20.4 20.4 20.4 19.5 17.8 15.7 13 10.1
13.3 13 12.3 11.1 9.73 8.21 6.65 5.05
15.1 682 23.3 23.3 23.3 23.3 23.3 23.3 23.3 23.3
n/a n/a 15.3 15.3 15.3 15.3 15.3 15.3 15.3 15.3
1 1 23.3 23.3 23.3 22.6 20.7 18.2 15.2 11.7
15.3 15 14.2 12.9 11.2 9.51 7.72 5.88
120x80 8.96 405 16.4 16.4 16.4 16.4 16.4 15.7 15.2 14.7
0.82*
10.1 10.1 10.1 10.1 10.1 10.1 10.1 10.1
0.42 16.4 16.2 15.6 14.7 13.3 - - -
- - - - - - - -
11.7 529 20.9 20.9 20.9 20.9 20.9 20.9 20.9 20.9
n/a 1 15.9 15.9 15.9 15.9 15.9 15.9 15.9 15.9
1 0 20.9 20.9 20.2 19 17.3 15.1 12.4 9.29
- - - - - - - -
14.4 653 25.1 25.1 25.1 25.1 25.1 25.1 25.1 25.1
n/a n/a 19.4 19.4 19.4 19.4 19.4 19.4 19.4 19.4
1 1 25.1 25.1 24.5 23 20.9 18.2 15 11.4
19.4 19.1 18.2 16.7 14.7 12.4 10 7.6
17 767 28.8 28.8 28.8 28.8 28.8 28.8 28.8 28.8
n/a n/a 22.5 22.5 22.5 22.5 22.5 22.5 22.5 22.5
1 1 28.8 28.8 28.5 26.8 24.4 21.3 17.5 13.3
22.5 22.2 21.2 19.4 17.1 14.4 11.7 8.87
21.4 966 33.8 33.8 33.8 33.8 33.8 33.8 33.8 33.8
n/a n/a 26.8 26.8 26.8 26.8 26.8 26.8 26.8 26.8
1 1 33.8 33.8 33.8 32.5 29.6 26 21.4 16.6
26.8 26.8 25.7 23.6 21.1 17.8 14.5 11.1
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
140x80 9.9 447 20.4 20.4 20.4 20.4 19.1 18 17.1 9.28
0.609*
10.3 10.3 10.3 10.3 10.3 10.3 10.3 10.3
0.285 20.4 20.4 19.7 - - - - -
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
3.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
3.0 Mcx
Mcy
Mrx
- - - - - - - -
13 586 26.2 26.2 26.2 26.2 26.2 26.2 26.2 26.2
n/a 1 16.2 16.2 16.2 16.2 16.2 16.2 16.2 16.2
1 0 26.2 26.2 25.6 24.1 22 19.3 15.9 12
- - - - - - - -
16 724 31.5 31.5 31.5 31.5 31.5 31.5 31.5 31.5
n/a n/a 22.1 22.1 22.1 22.1 22.1 22.1 22.1 22.1
1 1 31.5 31.5 31.1 29.3 26.7 23.4 19.3 14.8
22.1 21.7 20.6 18.8 16.4 13.8 11.1 8.44
18.9 852 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3
n/a n/a 25.7 25.7 25.7 25.7 25.7 25.7 25.7 25.7
1 1 36.3 36.3 36.3 34.2 31.2 27.3 22.6 17.3
25.7 25.3 24 21.9 19.1 16.1 13 9.88
23.9 1080 43 43 43 43 43 43 43 43
n/a n/a 31.2 31.2 31.2 31.2 31.2 31.2 31.2 31.2
1 1 43 43 43 41.9 38.3 33.7 28.1 21.6
31.2 30.9 29.3 26.8 23.7 20 16.3 12.4
28.7 1300 49 49 49 49 49 49 49 49
n/a n/a 35.2 35.2 35.2 35.2 35.2 35.2 35.2 35.2
1 1 49 49 49 48.6 44.4 39.1 32.6 25.8
35.2 35.2 34.2 31.2 27.9 23.7 19.3 14.8
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
150x100 14.9 671 33.8 33.8 33.8 33.8 33.8 33.8 32.8 32.5
0.922*
21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9
0.493 33.8 33.6 32.4 30.4 27.6 - - -
- - - - - - - -
18.3 831 40.9 40.9 40.9 40.9 40.9 40.9 40.9 40.9
n/a 1 31.1 31.1 31.1 31.1 31.1 31.1 31.1 31.1
1 0 40.9 40.9 39.6 37.2 33.8 29.4 24.1 18.2
- - - - - - - -
21.7 980 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3
n/a n/a 36.6 36.6 36.6 36.6 36.6 36.6 36.6 36.6
1 1 47.3 47.3 46.4 43.6 39.6 34.6 28.2 21.4
36.6 36 34.3 31.5 27.7 23.3 18.8 14.3
27.7 1250 57.1 57.1 57.1 57.1 57.1 57.1 57.1 57.1
n/a n/a 45.4 45.4 45.4 45.4 45.4 45.4 45.4 45.4
1 1 57.1 57.1 57.1 53.8 49 42.8 35.3 27
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
45.4 44.8 42.7 39.3 34.7 29.3 23.8 18
33.4 1510 66 66 66 66 66 66 66 66
n/a n/a 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4
1 1 66 66 66 63.4 57.8 50.5 41.7 32.4
52.4 52.4 50 46 41.2 34.9 28.4 21.6
160x80 17.5 795 38.4 38.4 38.4 38.4 38.4 38.4 38.4 38.4
n/a 1 23.4 23.4 23.4 23.4 23.4 23.4 23.4 23.4
1 0 38.4 38.4 38.3 36.1 33 29 24.1 18.6
- - - - - - - -
20.7 937 44.7 44.7 44.7 44.7 44.7 44.7 44.7 44.7
n/a n/a 28.9 28.9 28.9 28.9 28.9 28.9 28.9 28.9
1 1 44.7 44.7 44.7 42.2 38.6 34 28.3 21.7
28.9 28.3 26.8 24.2 21 17.7 14.4 10.9
26.4 1190 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3
n/a n/a 35.5 35.5 35.5 35.5 35.5 35.5 35.5 35.5
1 1 53.3 53.3 53.3 52.2 47.8 42.2 35.3 27.4
35.5 34.9 33 29.9 26.3 22.2 18 13.7
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
180x80 15.5 699 38 38 38 38 38 35.5 32.9 18.8
0.655*
16.8 16.8 16.8 16.8 16.8 16.8 16.8 16.8
0.351 38 38 38 35.9 - - - -
- - - - - - - -
19.1 866 46 46 46 46 46 46 46 46
0.991*
24 24 24 24 24 24 24 24
0.627 46 46 46 43.9 40.2 35.4 29.6 -
- - - - - - - -
22.6 1020 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3
n/a 1 31.7 31.7 31.7 31.7 31.7 31.7 31.7 31.7
1 0 53.3 53.3 53.3 51.3 47 41.5 34.7 26.7
- - - - - - - -
28.9 1310 64.3 64.3 64.3 64.3 64.3 64.3 64.3 64.3
n/a n/a 39.4 39.4 39.4 39.4 39.4 39.4 39.4 39.4
1 1 64.3 64.3 64.3 63.5 58.3 51.5 43.2 33.5
39.4 38.7 36.4 33.2 28.8 24.4 19.8 15
35 1580 74.1 74.1 74.1 74.1 74.1 74.1 74.1 74.1
n/a n/a 45.6 45.6 45.6 45.6 45.6 45.6 45.6 45.6
1 1 74.1 74.1 74.1 74.1 68.9 61 51.3 39.8
Mry
10.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
45.6 45.6 43 39.2 34.3 29.1 23.7 18.1
180x100 16.8 756 43.9 43.9 43.9 43.9 42.5 40 37.7 21.7
0.655*
22.4 22.4 22.4 22.4 22.4 22.4 22.4 22.4
0.325 43.9 43.9 42.7 40.2 - - - -
- - - - - - - -
20.7 937 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3
0.991*
32 32 32 32 32 32 32 32
0.58 53.3 53.3 52.2 49.1 44.8 39.2 - -
- - - - - - - -
24.5 1110 62.2 62.2 62.2 62.2 62.2 62.2 62.2 62.2
n/a 1 42.2 42.2 42.2 42.2 42.2 42.2 42.2 42.2
1 0 62.2 62.2 61.4 57.8 52.7 46.3 38.3 29.1
- - - - - - - -
31.4 1420 75.8 75.8 75.8 75.8 75.8 75.8 75.8 75.8
n/a n/a 53.3 53.3 53.3 53.3 53.3 53.3 53.3 53.3
1 1 75.8 75.8 75.8 72.2 66 58 48.3 37
53.3 52.4 49.7 45.3 39.6 33.4 27.1 20.6
38.1 1730 88.2 88.2 88.2 88.2 88.2 88.2 88.2 88.2
n/a n/a 62.6 62.6 62.6 62.6 62.6 62.6 62.6 62.6
1 1 88.2 88.2 88.2 85.7 78.4 68.9 57.4 44.5
62.6 61.8 58.6 53.4 47.3 40 32.5 24.8
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
200x100 18 813 51.1 51.1 51.1 49.9 46.5 43.4 20 20
0.527*
22.7 22.7 22.7 22.7 22.7 22.7 22.7 22.7
0.232 51.1 51.1 50.2 - - - - -
- - - - - - - -
22.3 1010 62.2 62.2 62.2 62.2 62.2 62.2 59 56.8
0.82*
32.4 32.4 32.4 32.4 32.4 32.4 32.4 32.4
0.468 62.2 62.2 61.4 57.8 52.8 - - -
- - - - - - - -
26.4 1190 72.4 72.4 72.4 72.4 72.4 72.4 72.4 72.4
n/a 1 42.9 42.9 42.9 42.9 42.9 42.9 42.9 42.9
1 0 72.4 72.4 72.3 68.1 62.3 54.7 45.6 34.8
- - - - - - - -
33.9 1530 89 89 89 89 89 89 89 89
n/a n/a 58.6 58.6 58.6 58.6 58.6 58.6 58.6 58.6
1 1 89 89 89 85.5 78.2 68.9 57.5 44.4
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
58.6 57.5 54.4 49.3 42.9 36.2 29.3 22.2
41.3 1870 104 104 104 104 104 104 104 104
n/a n/a 69.2 69.2 69.2 69.2 69.2 69.2 69.2 69.2
1 1 104 104 104 102 93.2 82.2 68.7 53.6
69.2 68 64.3 58.2 51.4 43.5 35.3 26.8
200x120 19.3 870 57.5 57.5 57.5 54.9 51.5 48.6 22.5 22.5
0.527*
28.7 28.7 28.7 28.7 28.7 28.7 28.7 28.7
0 - - - - - - - -
- - - - - - - -
23.8 1080 70.3 70.3 70.3 70.3 70.3 68.8 65.6 63.7
0.82*
40.8 40.8 40.8 40.8 40.8 40.8 40.8 40.8
0.438 70.3 70.3 68.1 64 58.2 - - -
- - - - - - - -
28.3 1280 82.2 82.2 82.2 82.2 82.2 82.2 82.2 82.2
n/a 1 54.3 54.3 54.3 54.3 54.3 54.3 54.3 54.3
1 0 82.2 82.2 80.3 75.5 68.8 60.2 49.6 37.4
- - - - - - - -
36.5 1650 102 102 102 102 102 102 102 102
n/a n/a 74.2 74.2 74.2 74.2 74.2 74.2 74.2 74.2
1 1 102 102 101 95 86.7 75.9 62.8 47.9
74.2 73 69.4 63.4 55.7 46.9 37.9 28.8
44.4 2010 120 120 120 120 120 120 120 120
n/a n/a 88.8 88.8 88.8 88.8 88.8 88.8 88.8 88.8
1 1 120 120 120 114 104 90.8 75.2 58
88.8 87.3 83.1 76 66.9 56.5 45.8 34.8
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
200x150 21.2 955 54.6 54.6 54.6 54.6 54.6 54.6 26.3 26.3
* *38.6 38.6 38.6 38.6 38.6 38.6 38.6 38.6
- - - - - - - -
- - - - - - - -
26.2 1190 80.7 80.7 80.7 80.7 80.7 77.5 75.7 73.8
0.82*
54.8 54.8 54.8 54.8 54.8 54.8 54.8 54.8
0 - - - - - - - -
- - - - - - - -
31.1 1410 96.2 96.2 96.2 96.2 96.2 96.2 96.2 96.2
n/a 1 72.5 72.5 72.5 72.5 72.5 72.5 72.5 72.5
1 0 96.2 95 91.6 85.8 77.6 67.2 54.7 41.3
Mry
10.0 Mcx
Mcy
Mrx
Mry
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
4.0 Mcx
Mcy
Mrx
Mry
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
- - - - - - - -
40.2 1820 121 121 121 121 121 121 121 121
n/a n/a 100 100 100 100 100 100 100 100
1 1 121 121 116 109 98.9 85.8 70.1 53.1
100 99 94.6 87.4 77.2 65.1 52.6 39.8
49.1 2220 143 143 143 143 143 143 143 143
n/a n/a 120 120 120 120 120 120 120 120
1 1 143 143 140 131 119 103 84.9 64.4
120 119 113 105 92.5 78.8 63.7 48.4
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONS <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
250x150 30.1 1360 112 112 112 107 101 95.1 43.9 43.9
0.527*
56.2 56.2 56.2 56.2 56.2 56.2 56.2 56.2
0 - - - - - - - -
- - - - - - - -
35.8 1620 132 132 132 132 132 126 120 115
0.76*
74.9 74.9 74.9 74.9 74.9 74.9 74.9 74.9
0.394 132 132 128 120 - - - -
- - - - - - - -
46.5 2100 167 167 167 167 167 167 167 167
n/a 1 116 116 116 116 116 116 116 116
1 0 167 167 163 154 140 123 101 76.8
- - - - - - - -
57 2580 199 199 199 199 199 199 199 199
n/a n/a 145 145 145 145 145 145 145 145
1 1 199 199 197 186 169 148 122 93.6
145 143 136 124 109 91.8 74.2 56.2
66 2990 220 220 220 220 220 220 220 220
n/a n/a 164 164 164 164 164 164 164 164
1 1 220 220 220 210 192 168 139 108
164 162 154 141 125 105 85.3 64.8
68.3 3090 226 226 226 226 226 226 226 226
n/a n/a 169 169 169 169 169 169 169 169
1 1 226 226 226 217 198 174 144 111
169 167 159 145 129 109 88.1 66.9
BS 5950-1: 2000 AXIAL LOAD & BENDING
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
5.0 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
BS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONS <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
300x100 35.8 1620 135 135 135 135 128 116 52.9 52.9
0.527*
45.4 45.4 45.4 45.4 45.4 45.4 45.4 45.4
0.262 135 135 135 - - - - -
- - - - - - - -
46.5 2100 170 170 170 170 170 170 170 170
0.922*
71 71 71 71 71 71 71 71
0.629 170 170 170 168 155 137 116 -
- - - - - - - -
57 2580 202 202 202 202 202 202 202 202
n/a 1 100 100 100 100 100 100 100 100
1 0 202 202 202 202 187 166 140 109
- - - - - - - -
66 2990 222 222 222 222 222 222 222 222
n/a n/a 114 114 114 114 114 114 114 114
1 1 222 222 222 222 210 187 158 124
114 111 103 93.8 81.7 69.2 56.2 42.8
68.3 3090 227 227 227 227 227 227 227 227
n/a n/a 117 117 117 117 117 117 117 117
1 1 227 227 227 227 217 193 163 128
117 114 106 96.6 84.2 71.4 58 44.2
300x200 45.2 2040 186 186 186 186 186 177 81.7 81.7
0.527*
111 111 111 111 111 111 111 111
0 - - - - - - - -
- - - - - - - -
59.1 2670 267 267 267 267 267 267 260 257
0.922*
173 173 173 173 173 173 173 173
0.495 267 266 256 241 219 - - -
- - - - - - - -
72.7 3290 321 321 321 321 321 321 321 321
n/a 1 245 245 245 245 245 245 245 245
1 0 321 321 312 293 266 232 190 144
- - - - - - - -
84.8 3830 363 363 363 363 363 363 363 363
n/a n/a 284 284 284 284 284 284 284 284
1 1 363 363 359 337 307 268 221 168
284 280 267 246 217 183 148 112
88 3980 374 374 374 374 374 374 374 374
n/a n/a 294 294 294 294 294 294 294 294
1 1 374 374 369 347 316 276 227 174
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
6.0 Mcx
Mcy
Mrx
Mry
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
294 289 276 254 225 189 153 116
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONS <>TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial
per Load Semi-Compact for
D x B t Metre Capacity Compact
Axis 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
mm mm kg kN x-x y-y
400x200 71.6 3240 404 404 404 395 368 343 158 158
0.527*
179 179 179 179 179 179 179 179
0.233 404 404 397 - - - - -
- - - - - - - -
88.4 4010 490 490 490 490 490 490 466 448
0.82*
256 256 256 256 256 256 256 256
0.471 490 490 485 457 417 - - -
- - - - - - - -
104 4690 558 558 558 558 558 558 558 558
n/a 1 335 335 335 335 335 335 335 335
1 0 558 558 558 531 486 428 357 274
- - - - - - - -
108 4860 579 579 579 579 579 579 579 579
n/a 1 356 356 356 356 356 356 356 356
1 0 579 579 579 547 500 440 367 284
- - - - - - - -
Mry
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity M
Designation
Ratios of Axial Load to Axial Load Capacity F/Pz
Pz = Agpy F/Pz
8.0 Mcx
Mcy
Mrx
Mry
10.0 Mcx
Mcy
Mrx
Mry
12.0 Mcx
Mcy
Mrx
Mry
12.5 Mcx
Mcy
Mrx
Mry
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
1.43 1.43 1.43 50x25 1 69.8 47.5 31.4 21.7 15.7 11.9 9.29
0.93 0.93 0.93 39 20.3 12.1 8.01 5.68 4.23 3.28
0.475 0.24 0 1 1.43 1.43 1.43 1.43 1.37 1.32 1.28
0.238 0.12 0
1.68 1.68 1.68 1 84.2 56.6 37.2 25.7 18.6 14 11
1.11 1.11 1.11 46.3 23.9 14.3 9.42 6.68 4.98 3.85
0.575 0.292 0 1 1.68 1.68 1.68 1.68 1.64 1.58 1.53
0.288 0.146 0
1.9 1.9 1.9 1 97.3 64.8 42.4 29.1 21.1 15.9 12.4
1.25 1.25 1.25 52.4 26.9 16 10.6 7.49 5.58 4.32
0.669 0.341 0 1 1.9 1.9 1.9 1.9 1.87 1.8 1.74
0.335 0.171 0
1.62 1.62 1.62 50x30 1 76.3 52.8 35.2 24.4 17.8 13.4 10.5
1.18 1.18 1.18 53.3 29.6 18 12 8.57 6.41 4.97
0.511 0.258 0 1 1.62 1.62 1.62 1.62 1.62 1.62 1.62
0.307 0.155 0
1.93 1.93 1.93 1 92.2 63.1 41.9 29 21 15.9 12.4
1.41 1.41 1.41 63.8 35.1 21.4 14.2 10.1 7.58 5.88
0.621 0.314 0 1 1.93 1.93 1.93 1.93 1.93 1.93 1.93
0.373 0.189 0
2.19 2.19 2.19 1 107 73 48.3 33.3 24.2 18.3 14.3
1.62 1.62 1.62 72.4 39.5 23.9 15.9 11.3 8.47 6.57
0.724 0.368 0 1 2.19 2.19 2.19 2.19 2.19 2.19 2.19
0.435 0.221 0
2.6 2.6 2.6 1 133 88.7 58 39.9 28.9 21.8 17
1.9 1.9 1.9 88 47.3 28.5 19 13.5 10.1 7.8
0.911 0.465 0 1 2.6 2.6 2.6 2.6 2.6 2.6 2.6
0.548 0.279 0
2.91 2.91 2.91 60x30 1 134 100 70.5 50.1 36.8 28.1 22
1.91 1.91 1.91 85.5 47 28.6 19.1 13.6 10.2 7.88
0.994 0.505 0 1 2.91 2.91 2.91 2.91 2.91 2.84 2.76
0.498 0.253 0
3.51 3.51 3.51 1 169 125 86.4 61 44.7 34 26.7
2.29 2.29 2.29 103 56 33.9 22.5 16 12 9.28
1.26 0.642 0 1 3.51 3.51 3.51 3.51 3.51 3.49 3.39
0.631 0.321 0
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
2.0 Pcx
pyZx = 1.19 Pcy
pyZy = 0.799 Mb
2.5 Pcx
pyZx = 1.4 Pcy
pyZy = 0.93 Mb
3.0 Pcx
pyZx = 1.59 Pcy
pyZy = 1.04 Mb
2.0 Pcx
pyZx = 1.35 Pcy
pyZy = 1.02 Mb
2.5 Pcx
pyZx = 1.6 Pcy
pyZy = 1.2 Mb
3.0 Pcx
pyZx = 1.82 Pcy
pyZy = 1.35 Mb
4.0 Pcx
pyZx = 2.17 Pcy
pyZy = 1.58 Mb
3.0 Pcx
pyZx = 2.42 Pcy
pyZy = 1.61 Mb
4.0 Pcx
pyZx = 2.92 Pcy
pyZy = 1.91 Mb
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
3.14 3.14 3.14 60x40 1 132 102 73.2 52.7 39 29.9 23.5
2.43 2.43 2.43 110 70.7 45.5 31.1 22.4 16.9 13.2
0.958 0.484 0 1 3.14 3.14 3.14 3.14 3.14 3.14 3.14
0.639 0.323 0
3.6 3.6 3.6 1 154 119 85.3 61.2 45.3 34.6 27.3
2.82 2.82 2.82 128 81.8 52.5 35.8 25.8 19.5 15.2
1.12 0.569 0 1 3.6 3.6 3.6 3.6 3.6 3.6 3.6
0.75 0.38 0
4.39 4.39 4.39 1 196 149 105 75.2 55.5 42.3 33.3
3.47 3.47 3.47 160 100 64 43.5 31.3 23.5 18.3
1.43 0.728 0 1 4.39 4.39 4.39 4.39 4.39 4.39 4.39
0.956 0.486 0
5.03 5.03 5.03 1 233 174 123 87 64 48.8 38.3
3.92 3.92 3.92 187 115 72.8 49.3 35.4 26.6 20.7
1.71 0.873 0 1 5.03 5.03 5.03 5.03 5.03 5.03 5.03
1.14 0.582 0
4.56 4.56 4.56 70x40 1 181 148 113 83.9 63.3 48.9 38.7
3.21 3.21 3.21 144 93.3 60.2 41.1 29.7 22.4 17.4
1.46 0.738 0 1 4.56 4.56 4.56 4.56 4.56 4.56 4.56
0.834 0.422 0
5.58 5.58 5.58 1 231 188 142 105 79 60.9 48.2
4.01 4.01 4.01 182 115 73.7 50.2 36.1 27.2 21.2
1.87 0.948 0 1 5.58 5.58 5.58 5.58 5.58 5.58 5.58
1.07 0.542 0
5.37 5.37 5.37 70x50 1 201 167 129 97.2 73.7 57.2 45.4
4.33 4.33 4.33 181 133 92.2 65 47.7 36.2 28.4
1.61 0.813 0 1 5.37 5.37 5.37 5.37 5.37 5.37 5.37
1.15 0.581 0
6.65 6.65 6.65 1 258 213 163 122 92.4 71.5 56.7
5.47 5.47 5.47 232 167 115 80.6 59 44.8 35.1
2.07 1.05 0 1 6.65 6.65 6.65 6.65 6.65 6.65 6.65
1.48 0.749 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
2.5 Pcx
pyZx = 2.61 Pcy
pyZy = 2.08 Mb
3.0 Pcx
pyZx = 3 Pcy
pyZy = 2.39 Mb
4.0 Pcx
pyZx = 3.66 Pcy
pyZy = 2.89 Mb
5.0 Pcx
pyZx = 4.19 Pcy
pyZy = 3.27 Mb
3.0 Pcx
pyZx = 3.8 Pcy
pyZy = 2.75 Mb
4.0 Pcx
pyZx = 4.65 Pcy
pyZy = 3.35 Mb
3.0 Pcx
pyZx = 4.47 Pcy
pyZy = 3.69 Mb
4.0 Pcx
pyZx = 5.54 Pcy
pyZy = 4.58 Mb
COLD-FORMED HYBOX 355
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
5.58 5.58 5.58 80x40 1 206 176 141 109 84.2 65.9 52.6
3.62 3.62 3.62 160 104 67.6 46.2 33.4 25.2 19.6
1.84 0.928 0 1 5.58 5.58 5.58 5.58 5.58 5.58 5.58
0.918 0.464 0
6.9 6.9 6.9 1 265 224 179 137 105 82.3 65.6
4.54 4.54 4.54 203 130 83.9 57.3 41.3 31.1 24.2
2.36 1.2 0 1 6.9 6.9 6.9 6.9 6.9 6.9 6.9
1.18 0.599 0
8.01 8.01 8.01 1 320 269 212 162 124 96.5 76.8
5.24 5.24 5.24 241 152 96.8 65.8 47.4 35.7 27.8
2.84 1.45 0 1 8.01 8.01 8.01 8.01 8.01 8.01 8.01
1.43 0.726 0
6.52 6.52 6.52 80x50 1 227 195 159 125 96.8 76.1 61
4.83 4.83 4.83 199 147 103 72.7 53.4 40.6 31.9
2.01 1.01 0 1 6.52 6.52 6.52 6.52 6.52 6.52 6.52
1.26 0.634 0
8.14 8.14 8.14 1 293 251 203 158 122 96 76.8
6.11 6.11 6.11 256 187 129 91.2 66.8 50.8 39.9
2.59 1.31 0 1 8.14 8.14 8.14 8.14 8.14 8.14 8.14
1.62 0.82 0
9.5 9.5 9.5 1 355 302 243 187 144 113 90.2
7.2 7.2 7.2 308 222 152 107 77.9 59.2 46.4
3.14 1.59 0 1 9.5 9.5 9.5 9.5 9.5 9.5 9.5
1.96 0.996 0
7.46 7.46 7.46 80x60 1 247 215 177 140 110 86.6 69.5
6.18 6.18 6.18 232 187 140 103 77.4 59.7 47.2
2.18 1.1 0 1 7.46 7.46 7.46 7.46 7.46 7.46 7.46
1.64 0.825 0
9.37 9.37 9.37 1 318 275 225 177 138 108 86.9
7.85 7.85 7.85 298 238 177 129 96.7 74.4 58.7
2.8 1.42 0 1 9.37 9.37 9.37 9.37 9.37 9.37 9.37
2.1 1.06 0
11 11 11 1 389 335 272 212 165 129 104
9.33 9.33 9.33 363 288 212 155 115 88.6 69.9
3.42 1.74 0 1 11 11 11 11 11 11 11
2.57 1.3 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.0 Pcx
pyZx = 4.65 Pcy
pyZy = 3.12 Mb
4.0 Pcx
pyZx = 5.75 Pcy
pyZy = 3.8 Mb
5.0 Pcx
pyZx = 6.67 Pcy
pyZy = 4.37 Mb
3.0 Pcx
pyZx = 5.43 Pcy
pyZy = 4.19 Mb
4.0 Pcx
pyZx = 6.78 Pcy
pyZy = 5.18 Mb
5.0 Pcx
pyZx = 7.92 Pcy
pyZy = 6 Mb
3.0 Pcx
pyZx = 6.21 Pcy
pyZy = 5.33 Mb
4.0 Pcx
pyZx = 7.81 Pcy
pyZy = 6.64 Mb
5.0 Pcx
pyZx = 9.16 Pcy
pyZy = 7.77 Mb
COLD-FORMED HYBOX 355
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
7.75 7.75 7.75 90x50 1 252 223 189 153 122 97.7 79
5.28 5.28 5.28 217 162 114 80.6 59.3 45.2 35.5
2.45 1.24 0 1 7.75 7.75 7.75 7.75 7.75 7.75 7.75
- - -
8.78 8.78 8.78 1 289 255 216 175 139 111 89.6
6.07 6.07 6.07 249 185 129 91.3 67.1 51.1 40.1
2.81 1.42 0 1 8.78 8.78 8.78 8.78 8.78 8.78 8.78
1.56 0.79 0
9.71 9.71 9.71 1 324 285 240 194 154 123 99.1
6.78 6.78 6.78 278 204 142 100 73.5 55.9 43.8
3.15 1.59 0 1 9.71 9.71 9.71 9.71 9.71 9.71 9.71
1.75 0.886 0
11.4 11.4 11.4 1 396 347 291 233 184 146 118
8.05 8.05 8.05 338 246 169 119 87.1 66.2 51.9
3.84 1.95 0 1 11.4 11.4 11.4 11.4 11.4 11.4 11.4
2.14 1.08 0
7.88 7.88 7.88 100x40 1 255 228 197 163 132 107 87.1
4.03 4.03 4.03 193 127 83.1 57 41.2 31.1 24.3
2.71 1.37 0 1 7.88 7.88 7.88 7.88 7.88 7.88 7.25
- - -
9.84 9.84 9.84 1 328 293 251 207 167 135 109
5.57 5.57 5.57 244 158 102 69.9 50.5 38 29.7
3.48 1.77 0 1 9.84 9.84 9.84 9.84 9.84 9.48 9.17
1.4 0.708 0
11.5 11.5 11.5 1 401 357 304 249 200 160 130
6.56 6.56 6.56 294 188 120 82.1 59.2 44.6 34.8
4.25 2.16 0 1 11.5 11.5 11.5 11.5 11.5 11.2 10.9
1.7 0.866 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.0 Pcx
pyZx = 6.46 Pcy
pyZy = 4.65 Mb
3.5 Pcx
pyZx = 7.31 Pcy
pyZy = 5.25 Mb
4.0 Pcx
pyZx = 8.09 Pcy
pyZy = 5.79 Mb
5.0 Pcx
pyZx = 9.51 Pcy
pyZy = 6.71 Mb
3.0 Pcx
pyZx = 6.57 Pcy
pyZy = 3.83 Mb
4.0 Pcx
pyZx = 8.2 Pcy
pyZy = 4.72 Mb
5.0 Pcx
pyZx = 9.62 Pcy
pyZy = 5.47 Mb
COLD-FORMED HYBOX 355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
9.07 9.07 9.07 100x50 1 276 249 217 182 149 121 99
5.36 5.36 5.36 235 176 124 88.2 64.9 49.5 38.9
2.93 1.48 0 1 9.07 9.07 9.07 9.07 9.07 9.07 9.07
- - -
11.4 11.4 11.4 1 357 320 278 232 189 153 125
7.42 7.42 7.42 302 224 156 111 81.4 62 48.6
3.78 1.91 0 1 11.4 11.4 11.4 11.4 11.4 11.4 11.4
1.89 0.956 0
13.5 13.5 13.5 1 437 391 338 280 227 184 149
8.88 8.88 8.88 367 268 185 131 95.8 72.8 57.1
4.62 2.34 0 1 13.5 13.5 13.5 13.5 13.5 13.5 13.5
2.31 1.17 0
15.3 15.3 15.3 1 507 452 388 320 259 208 169
10 10 10 422 306 210 147 108 81.7 64
5.34 2.72 0 1 15.3 15.3 15.3 15.3 15.3 15.3 15.3
2.68 1.36 0
10.3 10.3 10.3 100x60 1 297 269 236 200 165 135 111
6.78 6.78 6.78 270 220 167 124 93 71.8 56.9
3.15 1.59 0 1 10.3 10.3 10.3 10.3 10.3 10.3 10.3
- - -
11.7 11.7 11.7 1 342 310 271 229 189 154 126
8.45 8.45 8.45 310 252 190 141 106 81.7 64.7
3.62 1.83 0 1 11.7 11.7 11.7 11.7 11.7 11.7 11.7
2.18 1.1 0
13 13 13 1 385 347 304 256 210 171 140
9.44 9.44 9.44 348 282 212 157 118 90.7 71.7
4.07 2.06 0 1 13 13 13 13 13 13 13
2.44 1.23 0
15.4 15.4 15.4 1 472 425 370 311 254 206 169
11.3 11.3 11.3 426 341 255 187 140 108 85
4.98 2.52 0 1 15.4 15.4 15.4 15.4 15.4 15.4 15.4
2.99 1.51 0
17.5 17.5 17.5 1 549 493 427 356 290 235 192
13 13 13 493 392 291 212 159 122 96.2
5.78 2.94 0 1 17.5 17.5 17.5 17.5 17.5 17.5 17.5
3.47 1.76 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.0 Pcx
pyZx = 7.56 Pcy
pyZy = 5.11 Mb
4.0 Pcx
pyZx = 9.51 Pcy
pyZy = 6.39 Mb
5.0 Pcx
pyZx = 11.2 Pcy
pyZy = 7.46 Mb
6.0 Pcx
pyZx = 12.7 Pcy
pyZy = 8.34 Mb
3.0 Pcx
pyZx = 8.56 Pcy
pyZy = 6.46 Mb
3.5 Pcx
pyZx = 9.73 Pcy
pyZy = 7.31 Mb
4.0 Pcx
pyZx = 10.8 Pcy
pyZy = 8.13 Mb
5.0 Pcx
pyZx = 12.9 Pcy
pyZy = 9.55 Mb
6.0 Pcx
pyZx = 14.6 Pcy
pyZy = 10.8 Mb
COLD-FORMED HYBOX 355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
12.6 12.6 12.6 100x80 1 339 309 274 235 196 162 134
9.87 9.87 9.87 328 290 245 199 158 126 102
3.57 1.8 0 1 12.6 12.6 12.6 12.6 12.6 12.6 12.6
- - -
16.1 16.1 16.1 1 441 401 355 303 252 208 171
13.9 13.9 13.9 426 375 316 255 202 161 130
4.64 2.34 0 1 16.1 16.1 16.1 16.1 16.1 16.1 16.1
3.71 1.87 0
19.3 19.3 19.3 1 542 492 434 369 306 251 207
16.8 16.8 16.8 524 460 384 308 244 194 156
5.69 2.88 0 1 19.3 19.3 19.3 19.3 19.3 19.3 19.3
4.56 2.3 0
9.04 6.79 $ 120x40 0.82 302 278 249 218 185 155 129
4.17 4.17 $ 224 149 98 67.1 48.6 36.7 28.6
- - - 0.82 8.77 8.77 8.77 8.77 7.96 7.69 7.44
- - - 0.532 10.5 10.5 10.5 10.5 9.76 9.35 8.95
13.2 13.2 13.2 1 391 359 321 279 236 197 164
6.5 6.5 6.5 286 188 122 83.6 60.4 45.6 35.6
4.85 2.46 0 1 13.2 13.2 13.2 13.2 12.4 11.8 11.3
- - -
15.7 15.7 15.7 1 480 439 392 339 285 237 196
7.81 7.81 7.81 344 222 143 97.5 70.3 53 41.3
5.92 3.01 0 1 15.7 15.7 15.7 15.7 14.7 14 13.4
1.98 1.01 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
11.5 8.66 $ 120x60 0.82 345 319 290 257 222 188 159
6.99 6.99 $ 307 252 193 144 109 84.2 66.7
- - - 0.82 11.2 11.2 11.2 11.2 11.2 11.2 11.2
- - - 0.47 13.4 13.4 13.4 13.4 13.4 13.4 13.4
15.3 15.3 15.3 1 399 369 335 296 256 217 182
8.91 8.91 8.91 355 290 221 165 124 96 76.1
4.94 2.49 0 1 15.3 15.3 15.3 15.3 15.3 15.3 15.3
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
3.0 Pcx
pyZx = 10.6 Pcy
pyZy = 9.37 Mb
4.0 Pcx
pyZx = 13.5 Pcy
pyZy = 11.9 Mb
5.0 Pcx
pyZx = 16 Pcy
pyZy = 14.2 Mb
§ 3.0 Pcx
pyZx = 8.77 Pcy
pyZy = 4.58 Mb
Mb
4.0 Pcx
pyZx = 11 Pcy
pyZy = 5.64 Mb
5.0 Pcx
pyZx = 13.1 Pcy
pyZy = 6.57 Mb
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 3.0 Pcx
pyZx = 11.2 Pcy
pyZy = 7.63 Mb
Mb
3.5 Pcx
pyZx = 12.7 Pcy
pyZy = 8.66 Mb
- - -
17.1 17.1 17.1 1 449 415 376 332 286 242 204
10.9 10.9 10.9 399 325 247 184 138 107 84.5
5.55 2.8 0 1 17.1 17.1 17.1 17.1 17.1 17.1 17.1
- - -
20.4 20.4 20.4 1 553 510 461 406 348 294 246
13.3 13.3 13.3 488 395 297 220 165 127 101
6.81 3.45 0 1 20.4 20.4 20.4 20.4 20.4 20.4 20.4
3.41 1.73 0
23.3 23.3 23.3 1 646 595 536 470 402 338 282
15.3 15.3 15.3 568 456 341 251 188 145 114
7.94 4.03 0 1 23.3 23.3 23.3 23.3 23.3 23.3 23.3
3.97 2.02 0
13.9 10.6 $ 120x80 0.82 388 361 330 295 258 221 188
10.1 10.1 $ 368 327 278 228 182 146 118
- - - 0.82 13.6 13.6 13.6 13.6 13.6 13.6 13.6
- - - 0.42 16.4 16.4 16.4 16.4 16.4 16.4 16.4
20.9 20.9 20.9 1 506 470 429 383 334 286 242
15.9 15.9 15.9 480 425 360 293 233 186 151
6.24 3.15 0 1 20.9 20.9 20.9 20.9 20.9 20.9 20.9
- - -
25.1 25.1 25.1 1 624 579 528 470 408 348 294
19.4 19.4 19.4 591 522 440 356 283 226 182
7.68 3.88 0 1 25.1 25.1 25.1 25.1 25.1 25.1 25.1
5.12 2.59 0
28.8 28.8 28.8 1 731 677 616 547 473 402 339
22.5 22.5 22.5 691 608 510 411 325 259 209
8.98 4.54 0 1 28.8 28.8 28.8 28.8 28.8 28.8 28.8
5.99 3.03 0
33.8 33.8 33.8 1 916 845 764 672 576 485 407
26.8 26.8 26.8 864 753 624 496 389 308 248
11.2 5.7 0 1 33.8 33.8 33.8 33.8 33.8 33.8 33.8
7.49 3.8 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
9.28 $ $ 140x80 0.609 436 411 383 352 317 281 246
10.3 $ $ 409 364 312 256 206 166 135
- - - 0.609 17 17 17 17 17 17 17
4.0 Pcx
pyZx = 14.2 Pcy
pyZy = 9.62 Mb
5.0 Pcx
pyZx = 17 Pcy
pyZy = 11.4 Mb
6.0 Pcx
pyZx = 19.4 Pcy
pyZy = 12.9 Mb
§ 3.0 Pcx
pyZx = 13.6 Pcy
pyZy = 11 Mb
Mb
4.0 Pcx
pyZx = 17.4 Pcy
pyZy = 14 Mb
5.0 Pcx
pyZx = 20.9 Pcy
pyZy = 16.6 Mb
6.0 Pcx
pyZx = 24 Pcy
pyZy = 19.1 Mb
8.0 Pcx
pyZx = 28.2 Pcy
pyZy = 22.3 Mb
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 3.0 Pcx
pyZx = 17 Pcy
pyZy = 12.5 Mb
- - - 0.285 20.4 20.4 20.4 20.4 20.4 20.4 20.4
26.2 26.2 26.2 1 571 537 500 458 412 365 318
16.2 16.2 16.2 533 474 404 330 265 212 172
8.07 4.07 0 1 26.2 26.2 26.2 26.2 26.2 26.2 26.2
- - -
31.5 31.5 31.5 1 705 662 615 563 506 446 388
22.1 22.1 22.1 658 583 495 403 322 258 209
9.94 5.02 0 1 31.5 31.5 31.5 31.5 31.5 31.5 31.5
5.68 2.87 0
36.3 36.3 36.3 1 828 777 721 659 590 519 450
25.7 25.7 25.7 771 681 575 466 371 296 239
11.7 5.89 0 1 36.3 36.3 36.3 36.3 36.3 36.3 36.3
6.66 3.37 0
43 43 43 1 1040 977 904 820 729 636 548
31.2 31.2 31.2 970 849 709 568 448 355 286
14.7 7.44 0 1 43 43 43 43 43 43 43
8.39 4.25 0
49 49 49 1 1250 1170 1080 973 859 745 638
35.2 35.2 35.2 1160 1010 833 660 517 408 328
17.5 8.93 0 1 49 49 49 49 49 49 49
10 5.11 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
31.7 29.4 $ 150x100 0.922 660 625 588 547 501 452 402
21.9 21.9 $ 635 584 526 461 393 329 275
- - - 0.922 28.2 28.2 28.2 28.2 28.2 28.2 28.2
- - - 0.493 33.8 33.8 33.8 33.8 33.8 33.8 33.8
40.9 40.9 40.9 1 817 773 726 674 617 556 493
31.1 31.1 31.1 785 721 648 565 480 401 335
12.3 6.18 0 1 40.9 40.9 40.9 40.9 40.9 40.9 40.9
- - -
47.3 47.3 47.3 1 962 910 855 793 724 651 577
36.6 36.6 36.6 924 848 760 661 560 467 389
14.4 7.28 0 1 47.3 47.3 47.3 47.3 47.3 47.3 47.3
9.61 4.85 0
57.1 57.1 57.1 1 1220 1160 1080 999 908 811 715
45.4 45.4 45.4 1170 1070 956 825 693 575 476
18.3 9.25 0 1 57.1 57.1 57.1 57.1 57.1 57.1 57.1
Mb
4.0 Pcx
pyZx = 21.8 Pcy
pyZy = 16 Mb
5.0 Pcx
pyZx = 26.2 Pcy
pyZy = 19.2 Mb
6.0 Pcx
pyZx = 30.3 Pcy
pyZy = 22 Mb
8.0 Pcx
pyZx = 35.9 Pcy
pyZy = 26 Mb
10.0 Pcx
pyZx = 40.8 Pcy
pyZy = 29.3 Mb
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 4.0 Pcx
pyZx = 28.2 Pcy
pyZy = 22.6 Mb
Mb
5.0 Pcx
pyZx = 34.0 Pcy
pyZy = 27.3 Mb
6.0 Pcx
pyZx = 39.4 Pcy
pyZy = 31.5 Mb
8.0 Pcx
pyZx = 47.6 Pcy
pyZy = 38.0 Mb
12.2 6.17 0
66 66 66 1 1480 1390 1300 1200 1080 961 843
52.4 52.4 52.4 1410 1290 1140 977 815 672 555
22 11.2 0 1 66 66 66 66 66 66 66
14.7 7.45 0
38.4 38.4 38.4 160x80 1 784 743 700 652 599 542 483
23.4 23.4 23.4 724 643 548 449 360 288 234
12.5 6.3 0 1 38.4 38.4 38.4 38.4 38.4 38.4 38.4
- - -
44.7 44.7 44.7 1 923 874 822 765 701 633 564
28.9 28.9 28.9 851 754 640 522 417 333 270
14.7 7.41 0 1 44.7 44.7 44.7 44.7 44.7 44.7 44.7
7.34 3.71 0
53.3 53.3 53.3 1 1170 1110 1040 962 878 788 697
35.5 35.5 35.5 1080 947 796 641 508 405 326
18.5 9.4 0 1 53.3 53.3 53.3 53.3 53.3 53.3 53.3
9.28 4.71 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 1 1.5 2 2.5 3 3.5 4
mm mm
18.8 $ $ 180x80 0.655 697 665 632 596 557 515 469
16.8 $ $ 640 572 491 406 328 264 215
- - - 0.655 31.6 31.6 31.6 31.6 31.6 31.6 31.6
- - - 0.351 38 38 38 38 38 38 38
46 46 $ 0.991 862 823 781 736 687 634 577
24 24 $ 791 704 602 495 398 320 259
- - - 0.991 38.3 38.3 38.3 38.3 38.3 38.3 38.3
- - - 0.627 46 46 46 46 46 46 46
53.3 53.3 53.3 1 1020 970 920 867 808 744 676
31.7 31.7 31.7 931 827 705 577 462 371 300
18 9.1 0 1 53.3 53.3 53.3 53.3 53.3 53.3 53.3
- - -
64.3 64.3 64.3 1 1300 1230 1170 1100 1020 933 844
39.4 39.4 39.4 1180 1040 880 713 567 452 365
22.8 11.6 0 1 64.3 64.3 64.3 64.3 64.3 64.3 64.3
10.2 5.16 0
74.1 74.1 74.1 1 1570 1490 1410 1320 1220 1110 1000
45.6 45.6 45.6 1420 1250 1040 833 657 521 420
27.5 14 0 1 74.1 74.1 74.1 74.1 74.1 74.1 74.1
10.0 Pcx
pyZx = 55.0 Pcy
pyZy = 43.7 Mb
5.0 Pcx
pyZx = 32.0 Pcy
pyZy = 21.7 Mb
6.0 Pcx
pyZx = 37.3 Pcy
pyZy = 24.9 Mb
8.0 Pcx
pyZx = 44.4 Pcy
pyZy = 29.7 Mb
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 4.0 Pcx
pyZx = 31.6 Pcy
pyZy = 20.1 Mb
Mb
§ 5.0 Pcx
pyZx = 38.3 Pcy
pyZy = 24.2 Mb
Mb
6.0 Pcx
pyZx = 44.4 Pcy
pyZy = 27.9 Mb
8.0 Pcx
pyZx = 53.6 Pcy
pyZy = 33.4 Mb
10.0 Pcx
pyZx = 61.8 Pcy
pyZy = 38.0 Mb
12.3 6.23 0
21.7 $ $ 180x100 0.655 756 723 688 652 611 567 521
22.4 $ $ 718 662 598 526 451 380 319
- - - 0.655 36.6 36.6 36.6 36.6 36.6 36.6 36.6
- - - 0.325 43.9 43.9 43.9 43.9 43.9 43.9 43.9
53.3 53.3 $ 0.991 936 895 852 805 755 700 641
32 32 $ 888 818 738 648 554 466 390
- - - 0.991 44.4 44.4 44.4 44.4 44.4 44.4 44.4
- - - 0.58 53.3 53.3 53.3 53.3 53.3 53.3 53.3
62.2 62.2 62.2 1 1110 1060 1000 950 889 823 753
42.2 42.2 42.2 1050 964 868 760 648 544 454
19.6 9.88 0 1 62.2 62.2 62.2 62.2 62.2 62.2 62.2
- - -
75.8 75.8 75.8 1 1410 1350 1280 1210 1130 1040 947
53.3 53.3 53.3 1340 1230 1100 955 808 673 560
24.9 12.6 0 1 75.8 75.8 75.8 75.8 75.8 75.8 75.8
13.9 7.02 0
88.2 88.2 88.2 1 1710 1630 1550 1460 1360 1250 1130
62.6 62.6 62.6 1620 1480 1320 1140 955 791 655
30.1 15.3 0 1 88.2 88.2 88.2 88.2 88.2 88.2 88.2
16.8 8.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7 8
mm mm
20 $ $ 200x100 0.527 813 787 753 718 681 640 596
22.7 $ $ 773 714 647 571 491 415 348
- - - 0.527 42.6 42.6 42.6 42.6 42.6 42.6 42.6
- - - 0.232 51.1 51.1 51.1 51.1 51.1 51.1 51.1
53.1 40.2 $ 0.82 1010 974 933 889 842 790 735
32.4 32.4 $ 957 883 798 703 603 508 426
- - - 0.82 51.8 51.8 51.8 51.8 51.8 51.8 51.8
- - - 0.468 62.2 62.2 62.2 62.2 62.2 62.2 62.2
72.4 72.4 72.4 1 1190 1150 1100 1050 993 932 866
42.9 42.9 42.9 1130 1040 939 825 705 593 496
23.4 11.8 0 1 72.4 72.4 72.4 72.4 72.4 72.4 72.4
- - -
89 89 89 1 1530 1480 1410 1340 1270 1180 1100
58.6 58.6 58.6 1450 1330 1190 1040 884 739 616
30 15.2 0 1 89 89 89 89 89 89 89
§ 4.0 Pcx
pyZx = 36.6 Pcy
pyZy = 26.6 Mb
Mb
§ 5.0 Pcx
pyZx = 44.4 Pcy
pyZy = 32.1 Mb
Mb
6.0 Pcx
pyZx = 51.8 Pcy
pyZy = 37.3 Mb
8.0 Pcx
pyZx = 63.2 Pcy
pyZy = 45.1 Mb
10.0 Pcx
pyZx = 73.5 Pcy
pyZy = 52.2 Mb
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 4.0 Pcx
pyZx = 42.6 Pcy
pyZy = 29.2 Mb
Mb
§ 5.0 Pcx
pyZx = 51.8 Pcy
pyZy = 35.3 Mb
Mb
6.0 Pcx
pyZx = 60.4 Pcy
pyZy = 40.8 Mb
8.0 Pcx
pyZx = 74.2 Pcy
pyZy = 50.1 Mb
15 7.58 0
104 104 104 1 1870 1790 1710 1620 1530 1430 1320
69.2 69.2 69.2 1760 1610 1440 1240 1050 871 723
36.3 18.4 0 1 104 104 104 104 104 104 104
18.2 9.21 0
22.5 $ $ 200x120 0.527 870 844 810 774 735 693 648
28.7 $ $ 846 794 738 675 606 534 464
- - - 0.527 47.9 47.9 47.9 47.9 47.9 47.9 47.9
- - -
59.9 45.4 $ 0.82 1080 1050 1000 958 910 857 800
40.8 40.8 $ 1050 984 913 834 746 656 569
- - - 0.82 58.6 58.6 58.6 58.6 58.6 58.6 58.6
- - - 0.438 70.3 70.3 70.3 70.3 70.3 70.3 70.3
82.2 82.2 82.2 1 1280 1240 1190 1130 1070 1010 943
54.3 54.3 54.3 1240 1160 1080 983 879 771 667
25.2 12.7 0 1 82.2 82.2 82.2 82.2 82.2 82.2 82.2
- - -
102 102 102 1 1650 1590 1520 1450 1380 1290 1200
74.2 74.2 74.2 1590 1490 1380 1250 1110 971 837
32.3 16.3 0 1 102 102 102 102 102 102 102
19.4 9.78 0
120 120 120 1 2010 1940 1850 1760 1670 1560 1450
88.8 88.8 88.8 1940 1810 1670 1510 1340 1160 995
39.2 19.8 0 1 120 120 120 120 120 120 120
23.5 11.9 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7 8
mm mm
26.3 $ $ 200x150 0 894 815 724 622 520 430 355
38.6 $ $ 857 749 624 498 392 311 250
- - - 0 54.6 54.6 54.6 54.6 54.6 54.6 54.6
- - - 0 66.4 66.4 66.4 66.4 66.4 66.4 66.4
69.8 53.1 $ 0.82 1110 1010 896 768 641 529 437
54.8 54.8 $ 1060 927 769 613 482 381 307
- - - 0.82 68.5 68.5 68.5 68.5 68.5 68.5 68.5
- - -
96.2 96.2 96.2 1 1310 1190 1060 904 753 620 511
72.5 72.5 72.5 1260 1090 906 719 564 446 359
27.7 14 0 1 96.2 96.2 96.2 96.2 96.2 96.2 96.2
10.0 Pcx
pyZx = 86.6 Pcy
pyZy = 58.2 Mb
§ 4.0 Pcx
pyZx = 47.9 Pcy
pyZy = 36.6 Mb
§ 5.0 Pcx
pyZx = 58.6 Pcy
pyZy = 44.4 Mb
Mb
6.0 Pcx
pyZx = 68.5 Pcy
pyZy = 51.8 Mb
8.0 Pcx
pyZx = 84.8 Pcy
pyZy = 63.9 Mb
10.0 Pcx
pyZx = 99.8 Pcy
pyZy = 74.6 Mb
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 4.0 Pcx
pyZx = 56.1 Pcy
pyZy = 48.3 Mb
Mb
§ 5.0 Pcx
pyZx = 68.5 Pcy
pyZy = 58.9 Mb
6.0 Pcx
pyZx = 80.6 Pcy
pyZy = 68.9 Mb
- - -
121 121 121 1 1690 1540 1350 1150 954 783 644
100 100 100 1620 1400 1150 910 710 560 449
35.7 18 0 1 121 121 121 121 121 121 121
26.8 13.5 0
143 143 143 1 2060 1870 1640 1390 1140 936 768
120 120 120 1970 1700 1390 1090 847 667 534
43.5 22 0 1 143 143 143 143 143 143 143
32.6 16.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7 8
mm mm
43.9 $ $ 250x150 0.527 1310 1220 1130 1010 894 773 661
56.2 $ $ 1230 1080 904 726 574 457 368
- - - 0.527 93.7 93.7 93.7 93.7 93.7 93.7 93.7
- - -
77.9 77.9 $ 0.76 1560 1450 1330 1200 1060 912 779
74.9 74.9 $ 1460 1280 1070 856 676 537 432
- - - 0.76 110 110 110 110 110 110 110
- - - 0.394 132 132 132 132 132 132 132
167 167 167 1 2020 1880 1720 1540 1350 1160 991
116 116 116 1880 1640 1370 1090 856 678 545
51.7 26.1 0 1 167 167 167 167 167 167 167
- - -
199 199 199 1 2470 2300 2100 1880 1640 1410 1190
145 145 145 2300 2000 1650 1310 1020 810 650
63.1 31.9 0 1 199 199 199 199 199 199 199
37.9 19.1 0
220 220 220 1 2850 2650 2410 2150 1860 1590 1340
164 164 164 2650 2290 1880 1480 1150 908 728
72.8 36.9 0 1 220 220 220 220 220 220 220
43.7 22.1 0
226 226 226 1 2950 2730 2490 2210 1920 1640 1380
169 169 169 2740 2370 1940 1520 1180 932 746
75.3 38.1 0 1 226 226 226 226 226 226 226
45.2 22.9 0
BS 5950-1: 2000 AXIAL LOAD & BENDING
8.0 Pcx
pyZx = 100 Pcy
pyZy = 85.9 Mb
10.0 Pcx
pyZx = 119 Pcy
pyZy = 102 Mb
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 5.0 Pcx
pyZx = 93.7 Pcy
pyZy = 71.4 Mb
§ 6.0 Pcx
pyZx = 110 Pcy
pyZy = 83.8 Mb
Mb
8.0 Pcx
pyZx = 139 Pcy
pyZy = 105 Mb
10.0 Pcx
pyZx = 165 Pcy
pyZy = 125 Mb
12.0 Pcx
pyZx = 184 Pcy
pyZy = 138 Mb
12.5 Pcx
pyZx = 189 Pcy
pyZy = 142 Mb
BS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7 8
mm mm
$ $ $ 300x100 0.527 1580 1480 1380 1270 1140 1010 879
$ $ $ 1300 992 710 508 376 287 226
- - - 0.527 113 113 113 113 113 113 101
- - - 0.262 135 135 135 135 135 135 123
168 151 $ 0.922 2040 1920 1780 1630 1460 1280 1120
71 71 $ 1670 1260 892 636 469 358 281
- - - 0.922 142 142 142 142 142 142 127
- - - 0.629 170 170 170 170 170 170 156
202 202 202 1 2500 2350 2180 1990 1780 1560 1350
100 100 100 2020 1510 1060 753 554 422 331
75.2 38.1 0 1 202 202 202 202 202 202 187
- - -
222 222 222 1 2890 2700 2500 2270 2020 1760 1520
114 114 114 2310 1700 1180 834 612 465 365
86.7 44.1 0 1 222 222 222 222 222 218 210
29 14.7 0
227 227 227 1 2990 2790 2580 2340 2080 1810 1560
117 117 117 2380 1750 1210 852 625 475 373
89.6 45.6 0 1 227 227 227 227 227 224 216
30 15.2 0
81.7 $ $ 300x200 0.527 2010 1910 1800 1670 1530 1390 1240
111 $ $ 1940 1790 1610 1410 1210 1020 852
- - - 0.527 174 174 174 174 174 174 174
- - -
251 232 $ 0.922 2630 2490 2340 2180 1990 1800 1600
173 173 $ 2530 2320 2090 1830 1560 1310 1090
- - - 0.922 222 222 222 222 222 222 222
- - - 0.495 267 267 267 267 267 267 267
321 321 321 1 3230 3060 2870 2670 2440 2200 1950
245 245 245 3100 2850 2560 2230 1900 1590 1320
97 48.9 0 1 321 321 321 321 321 321 321
- - -
363 363 363 1 3760 3560 3340 3090 2820 2530 2240
284 284 284 3610 3310 2960 2570 2170 1810 1510
113 57 0 1 363 363 363 363 363 363 363
75.2 38 0
374 374 374 1 3900 3680 3450 3190 2910 2600 2300
294 294 294 3740 3430 3070 2660 2250 1870 1560
117 59 0 1 374 374 374 374 374 374 374
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 6.0 Pcx
pyZx = 113 Pcy
pyZy = 59.6 Mb
Mb
§ 8.0 Pcx
pyZx = 142 Pcy
pyZy = 74.2 Mb
Mb
10.0 Pcx
pyZx = 168 Pcy
pyZy = 87 Mb
12.0 Pcx
pyZx = 185 Pcy
pyZy = 95.5 Mb
12.5 Pcx
pyZx = 190 Pcy
pyZy = 97.6 Mb
§ 6.0 Pcx
pyZx = 174 Pcy
pyZy = 141 Mb
§ 8.0 Pcx
pyZx = 222 Pcy
pyZy = 179 Mb
Mb
10.0 Pcx
pyZx = 268 Pcy
pyZy = 215 Mb
12.0 Pcx
pyZx = 303 Pcy
pyZy = 243 Mb
12.5 Pcx
pyZx = 312 Pcy
pyZy = 251 Mb
78 39.4 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
and Capacities Limit for
D x B t
0.8 0.9 1 2 3 4 5 6 7 8
mm mm
158 $ $ 400x200 0.527 3240 3130 3000 2860 2710 2540 2370
179 $ $ 3080 2840 2570 2270 1950 1650 1390
- - - 0.527 337 337 337 337 337 337 337
- - - 0.233 404 404 404 404 404 404 404
418 316 $ 0.82 4010 3880 3710 3540 3350 3140 2920
256 256 $ 3810 3510 3170 2790 2390 2020 1690
- - - 0.82 408 408 408 408 408 408 408
- - - 0.471 490 490 490 490 490 490 490
558 558 558 1 4690 4520 4320 4110 3890 3640 3380
335 335 335 4440 4090 3680 3230 2760 2310 1930
184 92.9 0 1 558 558 558 558 558 558 558
- - -
579 579 579 1 4860 4690 4490 4270 4040 3780 3510
356 356 356 4600 4240 3820 3340 2850 2390 2000
191 96.4 0 1 579 579 579 579 579 579 579
- - -
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) F/Pz Compression Resistance Pcx, Pcy (kN) and Buckling Resistance Moment M
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
Le (m)
§ 8.0 Pcx
pyZx = 337 Pcy
pyZy = 231 Mb
Mb
§ 10.0 Pcx
pyZx = 408 Pcy
pyZy = 279 Mb
Mb
12.0 Pcx
pyZx = 465 Pcy
pyZy = 319 Mb
12.5 Pcx
pyZx = 483 Pcy
pyZy = 329 Mb
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
6.11 4.32 3.21 2.48 1.98 1.61
2.13 1.49 1.1 0.85 0.675 0.548
1.2 1.12 1.05 0.987 0.928 0.875
7.21 5.1 3.79 2.93 2.33 1.9
2.5 1.75 1.3 0.999 0.792 0.644
1.43 1.34 1.25 1.17 1.1 1.04
8.17 5.77 4.29 3.31 2.64 2.15
2.8 1.96 1.45 1.12 0.887 0.721
1.63 1.52 1.42 1.33 1.25 1.18
6.92 4.89 3.64 2.81 2.24 1.83
3.24 2.28 1.69 1.3 1.03 0.839
1.54 1.48 1.43 1.37 1.32 1.28
8.18 5.79 4.3 3.33 2.65 2.16
3.83 2.69 1.99 1.54 1.22 0.992
1.85 1.78 1.71 1.65 1.59 1.53
9.39 6.64 4.94 3.82 3.04 2.47
4.28 3 2.22 1.71 1.36 1.11
2.13 2.04 1.96 1.89 1.82 1.75
11.2 7.89 5.87 4.53 3.61 2.94
5.08 3.57 2.64 2.03 1.61 1.31
2.59 2.49 2.39 2.3 2.21 2.12
14.6 10.3 7.72 5.97 4.76 3.88
5.13 3.61 2.67 2.06 1.63 1.33
2.61 2.47 2.33 2.21 2.09 1.99
17.6 12.5 9.32 7.21 5.75 4.69
6.04 4.24 3.14 2.42 1.92 1.56
3.19 3.01 2.84 2.69 2.54 2.41
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
15.6 11.1 8.28 6.41 5.11 4.17
8.64 6.1 4.53 3.5 2.78 2.27
3.14 3.14 3.05 2.98 2.91 2.84
18.1 12.8 9.58 7.42 5.92 4.83
9.94 7.01 5.21 4.02 3.2 2.6
3.6 3.6 3.53 3.45 3.37 3.3
22 15.6 11.7 9.04 7.2 5.88
12 8.47 6.29 4.85 3.86 3.14
4.39 4.39 4.39 4.33 4.22 4.13
25.4 18 13.4 10.4 8.27 6.75
13.6 9.56 7.09 5.47 4.35 3.54
5.03 5.03 5.03 5.03 4.91 4.8
25.9 18.5 13.8 10.7 8.57 7
11.4 8.08 6 4.64 3.69 3
4.56 4.36 4.22 4.08 3.96 3.83
32.2 22.9 17.2 13.3 10.6 8.68
13.9 9.8 7.28 5.62 4.47 3.64
5.58 5.44 5.26 5.09 4.93 4.77
30.4 21.7 16.3 12.6 10.1 8.24
18.8 13.3 9.92 7.68 6.12 4.99
5.37 5.37 5.37 5.37 5.31 5.22
37.9 27.1 20.3 15.7 12.6 10.3
23.2 16.4 12.2 9.46 7.53 6.14
6.65 6.65 6.65 6.65 6.65 6.6
AXIAL LOAD & BENDING
<>
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
COLD-FORMED HYBOX 355
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
35.5 25.4 19.1 14.8 11.9 9.71
12.9 9.1 6.76 5.22 4.15 3.38
5.27 5.06 4.85 4.66 4.47 4.29
44.2 31.6 23.7 18.4 14.7 12
15.9 11.2 8.34 6.44 5.12 4.17
6.64 6.37 6.1 5.85 5.61 5.38
51.6 36.9 27.7 21.5 17.2 14
18.2 12.8 9.53 7.36 5.85 4.76
7.81 7.47 7.16 6.86 6.57 6.3
41.2 29.6 22.2 17.3 13.8 11.3
21.1 14.9 11.1 8.62 6.87 5.6
6.52 6.52 6.52 6.52 6.14 6.01
51.8 37.2 27.9 21.7 17.4 14.2
26.3 18.7 13.9 10.8 8.57 6.99
8.14 8.14 8.14 7.98 7.81 7.65
60.8 43.6 32.7 25.4 20.3 16.6
30.6 21.7 16.1 12.5 9.94 8.11
9.5 9.5 9.5 9.46 9.26 9.06
47.2 33.9 25.5 19.9 15.9 13
31.5 22.4 16.8 13 10.4 8.47
7.46 7.46 7.46 7.46 7.46 7.46
58.8 42.3 31.8 24.7 19.8 16.2
39.1 27.9 20.8 16.1 12.9 10.5
9.37 9.37 9.37 9.37 9.37 9.37
70 50.3 37.8 29.4 23.5 19.2
46.5 33.1 24.7 19.2 15.3 12.5
11 11 11 11 11 11
AXIAL LOAD & BENDING
<>
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
COLD-FORMED HYBOX 355
RECTANGULAR HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
54 39 29.4 22.9 18.4 15.1
23.5 16.6 12.4 9.61 7.66 6.24
7.75 7.75 7.38 7.18 6.99 6.8
61.2 44.2 33.3 25.9 20.8 17
26.5 18.8 14 10.9 8.65 7.05
8.78 8.78 8.41 8.18 7.96 7.75
67.6 48.8 36.7 28.6 22.9 18.8
29 20.5 15.3 11.8 9.44 7.7
9.71 9.71 9.36 9.1 8.85 8.62
80.3 57.8 43.5 33.9 27.2 22.2
34.3 24.3 18.1 14 11.1 9.08
11.4 11.4 11.1 10.8 10.5 10.3
60 43.5 32.8 25.7 20.6 16.9
15.9 11.3 8.37 6.47 5.14 4.19
6.82 6.41 6.03 5.68 5.36 5.06
75.3 54.5 41.1 32.1 25.7 21.1
19.5 13.7 10.2 7.88 6.27 5.11
8.59 8.06 7.57 7.11 6.69 6.31
89.1 64.4 48.6 37.9 30.4 24.9
22.8 16.1 11.9 9.22 7.33 5.97
10.2 9.51 8.92 8.37 7.87 7.42
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
COLD-FORMED HYBOX 355
for
5 6 7 8 9 10
68.5 49.8 37.7 29.4 23.6 19.4
25.7 18.3 13.6 10.5 8.4 6.85
9.07 8.63 8.35 8.08 7.82 7.57
86.3 62.6 47.3 37 29.7 24.3
32.2 22.8 17 13.2 10.5 8.55
11.4 11 10.6 10.3 9.92 9.6
103 74.6 56.4 44 35.3 28.9
37.7 26.7 19.9 15.4 12.3 10
13.5 13.1 12.6 12.2 11.8 11.4
116 84.1 63.5 49.6 39.8 32.6
42.3 29.9 22.3 17.3 13.7 11.2
15.3 15 14.4 13.9 13.5 13
77 56 42.4 33.2 26.7 21.9
38 27.1 20.3 15.7 12.5 10.2
10.3 10.3 10.3 10.3 10.3 9.64
87.6 63.7 48.3 37.8 30.3 24.9
43.2 30.8 23 17.9 14.3 11.6
11.7 11.7 11.7 11.7 11.7 11
97.2 70.7 53.5 41.8 33.6 27.5
47.8 34.1 25.5 19.8 15.8 12.9
13 13 13 13 13 12.3
117 84.8 64.2 50.2 40.2 33
56.7 40.4 30.2 23.4 18.7 15.2
15.4 15.4 15.4 15.4 15.4 14.8
132 96 72.6 56.7 45.5 37.3
64.1 45.6 34.1 26.4 21.1 17.2
17.5 17.5 17.5 17.5 17.5 17
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
COLD-FORMED HYBOX 355
for
5 6 7 8 9 10
93.7 68.4 51.9 40.7 32.7 26.8
69.8 50.4 38 29.6 23.7 19.4
12.6 12.6 12.6 12.6 12.6 12.6
119 87.2 66.1 51.8 41.6 34.1
88.6 63.9 48.1 37.5 30 24.6
16.1 16.1 16.1 16.1 16.1 16.1
144 105 79.6 62.3 50 41.1
106 76.5 57.6 44.9 35.9 29.4
19.3 19.3 19.3 19.3 19.3 19.3
91.2 67 51 40 32.2 26.5
18.8 13.3 9.9 7.63 6.07 4.95
6.97 6.53 6.12 5.75 5.4 5.09
8.23 7.57 6.99 6.48 6.02 5.62
116 84.7 64.5 50.6 40.7 33.4
23.3 16.5 12.3 9.46 7.53 6.13
10.4 9.52 8.77 8.11 7.53 7.02
138 101 76.8 60.2 48.4 39.8
27.1 19.1 14.2 11 8.73 7.11
12.2 11.2 10.3 9.49 8.79 8.19
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
114 84.1 64.2 50.5 40.7 33.5
44.6 31.8 23.8 18.5 14.8 12.1
11.2 11.2 10.7 10.4 10.2 9.95
13.4 13.4 12.7 12.4 12.1 11.7
131 96.5 73.7 58 46.7 38.4
50.9 36.3 27.1 21.1 16.8 13.7
15.3 15.3 14.6 14.2 13.8 13.4
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
146 107 82 64.5 52 42.7
56.5 40.3 30.1 23.4 18.7 15.2
17.1 17.1 16.4 15.9 15.5 15.1
175 129 98.6 77.5 62.4 51.3
67.1 47.8 35.7 27.7 22.1 18.1
20.4 20.4 19.7 19.1 18.6 18.1
201 148 113 88.4 71.2 58.5
76.1 54.2 40.5 31.4 25.1 20.5
23.3 23.3 22.8 22.1 21.5 20.9
136 101 77.5 61.1 49.3 40.6
81 58.6 44.2 34.5 27.6 22.6
13.6 13.6 13.6 13.6 13.6 13.6
16.4 16.4 16.4 16.4 16.4 16.4
175 130 99.3 78.2 63.1 51.9
103 74.4 56.1 43.8 35.1 28.7
20.9 20.9 20.9 20.9 20.9 20.9
212 157 120 94.6 76.3 62.8
125 89.9 67.7 52.8 42.3 34.6
25.1 25.1 25.1 25.1 25.1 25.1
244 180 138 108 87.4 71.9
142 103 77.2 60.2 48.2 39.5
28.8 28.8 28.8 28.8 28.8 28.8
290 214 163 128 103 84.8
168 121 91 70.9 56.7 46.4
33.8 33.8 33.8 33.8 33.8 33.8
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
185 140 109 86.2 69.9 57.7
92 66.9 50.5 39.4 31.6 25.9
17 17 17 17 17 17
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
20.4 20.4 20.4 20.4 20.4 20.4
239 181 140 111 89.9 74.3
118 85.2 64.3 50.2 40.2 32.9
26.2 26.2 26.2 26.2 26.2 26.2
290 219 169 134 109 89.9
143 103 77.7 60.6 48.6 39.8
31.5 31.5 31.5 31.5 31.5 31.5
335 253 195 155 125 103
163 118 88.8 69.3 55.5 45.4
36.3 36.3 36.3 36.3 36.3 36.3
405 304 234 185 150 123
195 140 105 82.2 65.8 53.9
43 43 43 43 43 43
467 349 269 212 171 141
222 160 120 93.6 74.9 61.3
49 49 49 49 49 49
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
311 240 187 150 122 101
195 143 109 85.8 69.1 56.8
28.2 28.2 28.2 28.2 28.2 28.2
33.8 33.8 33.8 33.8 33.8 33.8
380 292 229 182 148 123
237 174 132 104 83.6 68.7
40.9 40.9 40.9 40.9 40.9 40.9
443 340 266 212 172 143
275 202 153 120 96.9 79.6
47.3 47.3 47.3 47.3 47.3 47.3
544 416 324 257 209 173
335 245 186 146 117 96.3
57.1 57.1 57.1 57.1 57.1 57.1
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
636 484 376 298 242 200
388 283 215 168 135 111
66 66 66 66 66 66
375 290 227 182 148 123
160 116 87.3 68.1 54.6 44.7
38.4 38.4 38.4 38.4 36.9 36.2
436 336 263 210 171 142
185 133 101 78.4 62.9 51.5
44.7 44.7 44.7 44.7 43.1 42.2
534 410 319 255 207 171
223 160 121 94.2 75.4 61.7
53.3 53.3 53.3 53.3 53.2 52.1
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
5 6 7 8 9 10
379 301 240 194 159 132
148 107 80.7 63 50.5 41.4
31.6 31.6 31.6 31.6 29.2 28.6
38 38 38 38 35.1 34.2
465 368 293 236 194 161
178 129 97.2 75.9 60.8 49.8
38.3 38.3 38.3 38.3 35.4 34.7
46 46 46 46 42.7 41.6
543 429 341 275 225 187
206 149 112 87.5 70.2 57.5
53.3 53.3 53.3 53.3 49.8 48.5
671 527 417 335 274 228
249 180 135 106 84.6 69.3
64.3 64.3 64.3 64.3 61.6 60.1
791 617 487 390 319 265
286 206 155 121 96.5 79
74.1 74.1 74.1 74.1 72.2 70.3
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
426 341 273 222 182 152
227 167 128 100 80.7 66.4
36.6 36.6 36.6 36.6 36.6 36.6
43.9 43.9 43.9 43.9 43.9 43.9
523 418 334 271 222 185
277 204 155 122 98.3 80.8
44.4 44.4 44.4 44.4 44.4 44.4
53.3 53.3 53.3 53.3 53.3 53.3
613 489 390 316 259 216
322 237 180 142 114 93.8
62.2 62.2 62.2 62.2 62.2 62.2
764 605 482 388 318 265
395 290 220 173 139 114
75.8 75.8 75.8 75.8 75.8 75.8
906 714 566 456 373 310
460 337 256 200 161 132
88.2 88.2 88.2 88.2 88.2 88.2
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
503 413 337 276 229 192
249 183 140 110 89 73
42.6 42.6 42.6 42.6 42.6 42.6
51.1 51.1 51.1 51.1 51.1 51.1
618 507 413 338 280 234
304 224 171 134 108 88.9
51.8 51.8 51.8 51.8 51.8 51.8
62.2 62.2 62.2 62.2 62.2 62.2
727 595 484 396 327 274
352 259 198 155 125 103
72.4 72.4 72.4 72.4 72.4 72.4
913 742 600 490 404 338
435 320 243 191 154 126
89 89 89 89 89 89
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
1090 882 711 578 477 398
509 373 283 222 179 147
104 104 104 104 104 104
551 457 375 308 256 215
346 261 202 160 130 107
47.9 47.9 47.9 47.9 47.9 47.9
679 561 460 378 313 263
423 319 247 195 158 131
58.6 58.6 58.6 58.6 58.6 58.6
70.3 70.3 70.3 70.3 70.3 70.3
799 659 539 442 367 308
495 373 288 228 185 152
82.2 82.2 82.2 82.2 82.2 82.2
1010 829 675 552 457 383
617 463 357 282 228 188
102 102 102 102 102 102
1210 988 802 655 541 452
730 546 420 332 268 221
120 120 120 120 120 120
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
296 249 211 182 158 138
205 170 144 123 106 92
54.6 54.6 54.6 54.6 54.6 54.6
66.4 66.4 66.4 66.4 66.4 66.4
363 305 260 223 193 169
251 208 176 150 129 113
68.5 68.5 68.5 68.5 68.5 68.5
425 357 304 261 226 198
293 243 205 175 151 132
96.2 96.2 96.2 96.2 96.2 96.2
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
535 449 381 327 283 248
367 305 257 219 189 165
121 121 121 121 121 121
636 534 453 388 337 294
436 361 304 259 224 195
143 143 143 143 143 143
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
564 482 415 360 314 277
301 251 212 181 156 136
93.7 93.7 93.7 93.7 93.7 93.7
664 568 489 424 370 325
354 294 248 212 183 160
110 110 110 110 110 110
132 132 132 132 132 132
842 719 618 535 467 410
446 370 312 267 230 201
167 167 167 167 167 167
1010 864 741 642 559 492
531 441 372 317 274 238
199 199 199 199 199 199
1140 967 829 717 624 548
594 493 415 354 305 266
220 220 220 220 220 220
1170 994 851 736 641 563
609 505 425 363 313 273
226 226 226 226 226 226
AXIAL LOAD & BENDING
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
762 659 572 499 438 387
182 150 125 106 91 79
98.7 96.2 93.7 91.3 88.9 86.7
119 115 111 108 104 101
963 832 720 627 550 485
226 186 156 132 113 99
124 121 118 115 112 109
151 146 141 136 132 128
1170 1000 870 757 663 585
267 219 183 155 134 116
181 174 169 163 157 152
1300 1120 966 840 735 647
294 241 202 171 147 127
203 196 189 183 177 171
1340 1150 991 861 753 663
300 246 206 174 150 130
209 201 194 188 182 175
1090 958 841 740 653 580
715 605 517 446 388 340
174 174 174 174 174 174
1410 1240 1080 953 841 746
917 775 661 570 495 434
222 222 222 222 222 222
267 267 267 267 267 267
1720 1500 1320 1160 1020 905
1110 935 798 687 597 523
321 321 321 321 321 321
1960 1710 1500 1310 1160 1020
1260 1060 905 779 676 592
363 363 363 363 363 363
2010 1750 1530 1340 1180 1050
1300 1100 934 804 698 611
374 374 374 374 374 374
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
AXIAL LOAD & BENDING
<>RECTANGULAR HOLLOW SECTIONS
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
2180 1990 1810 1640 1480 1330
1170 989 845 729 635 557
337 337 337 337 337 337
404 404 404 404 404 404
2690 2450 2230 2010 1810 1640
1420 1200 1030 887 772 677
408 408 408 408 408 408
490 490 490 490 490 490
3100 2830 2560 2310 2080 1870
1620 1370 1170 1010 879 770
558 558 558 558 558 558
3220 2940 2660 2400 2160 1940
1680 1420 1210 1040 908 796
579 579 579 579 579 579
COLD-FORMED HYBOX 355
, Pcy (kN) and Buckling Resistance Moment Mb (kNm)
Varying effective lengths Le (m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6
25x25 1.36 61.8 n/a 0.507 0.507 0.507 0.507 0.507 0.507 0.507
1 0.507 0.507 0.495 0.461 0.414 0.357 0.29
1.64 74.2 n/a 0.575 0.575 0.575 0.575 0.575 0.575 0.575
1 0.575 0.575 0.575 0.537 0.483 0.421 0.343
1.89 85.6 n/a 0.626 0.626 0.626 0.626 0.626 0.626 0.626
1 0.626 0.626 0.626 0.601 0.541 0.476 0.39
30x30 1.68 76 n/a 0.771 0.771 0.771 0.771 0.771 0.771 0.771
1 0.771 0.771 0.744 0.693 0.622 0.533 0.433
2.03 91.9 n/a 0.895 0.895 0.895 0.895 0.895 0.895 0.895
1 0.895 0.895 0.879 0.819 0.736 0.635 0.517
2.36 107 n/a 0.997 0.997 0.997 0.997 0.997 0.997 0.997
1 0.997 0.997 0.997 0.93 0.836 0.727 0.593
40x40 2.31 104 n/a 1.47 1.47 1.47 1.47 1.47 1.47 1.47
1 1.47 1.45 1.39 1.29 1.16 0.993 0.803
2.82 127 n/a 1.75 1.75 1.75 1.75 1.75 1.75 1.75
1 1.75 1.74 1.67 1.56 1.4 1.2 0.971
3.3 149 n/a 1.99 1.99 1.99 1.99 1.99 1.99 1.99
1 1.99 1.99 1.93 1.79 1.61 1.39 1.13
4.2 190 n/a 2.36 2.36 2.36 2.36 2.36 2.36 2.36
1 2.36 2.36 2.36 2.2 1.98 1.72 1.41
50x50 2.93 133 n/a 2.36 2.36 2.36 2.36 2.36 2.36 2.36
1 2.36 2.33 2.24 2.08 1.87 1.59 1.29
3.6 163 n/a 2.86 2.86 2.86 2.86 2.86 2.86 2.86
1 2.86 2.83 2.72 2.53 2.27 1.94 1.57
4.25 192 n/a 3.32 3.32 3.32 3.32 3.32 3.32 3.32
1 3.32 3.29 3.16 2.94 2.64 2.26 1.83
5.45 247 n/a 4.04 4.04 4.04 4.04 4.04 4.04 4.04
1 4.04 4.04 3.94 3.67 3.3 2.85 2.32
6.56 297 n/a 4.6 4.6 4.6 4.6 4.6 4.6 4.6
1 4.6 4.6 4.6 4.31 3.87 3.37 2.75
60x60 5.19 235 n/a 4.97 4.97 4.97 4.97 4.97 4.97 4.97
1 4.97 4.91 4.71 4.39 3.94 3.35 2.71
6.71 304 n/a 6.18 6.18 6.18 6.18 6.18 6.18 6.18
1 6.18 6.17 5.92 5.52 4.95 4.26 3.46
8.13 369 n/a 7.16 7.16 7.16 7.16 7.16 7.16 7.16
1 7.16 7.16 7.04 6.56 5.88 5.1 4.15
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
2.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
2.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
2.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
4.0 Mc
Mr
2.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
3.0 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6
70x70 5.17 234 n/a 5.86 5.86 5.86 5.86 5.86 5.86 5.86
1 5.86 5.78 5.55 5.16 4.62 3.95 3.18
6.13 277 n/a 6.89 6.89 6.89 6.89 6.89 6.89 6.89
1 6.89 6.8 6.53 6.07 5.44 4.65 3.75
7.06 319 n/a 7.88 7.88 7.88 7.88 7.88 7.88 7.88
1 7.88 7.78 7.47 6.96 6.24 5.32 4.3
7.97 359 n/a 8.78 8.78 8.78 8.78 8.78 8.78 8.78
1 8.78 8.69 8.35 7.79 6.99 5.93 4.8
9.7 440 n/a 10.3 10.3 10.3 10.3 10.3 10.3 10.3
1 10.3 10.3 9.96 9.28 8.32 7.18 5.83
80x80 7.07 320 n/a 9.16 9.16 9.16 9.16 9.16 9.16 9.16
1 9.16 9.04 8.68 8.08 7.24 6.16 4.97
8.16 369 n/a 10.5 10.5 10.5 10.5 10.5 10.5 10.5
1 10.5 10.3 9.92 9.24 8.28 7.07 5.71
9.22 415 n/a 11.8 11.8 11.8 11.8 11.8 11.8 11.8
1 11.8 11.6 11.1 10.4 9.32 7.91 6.39
11.3 511 n/a 14 14 14 14 14 14 14
1 14 13.9 13.4 12.4 11.1 9.61 7.79
13.2 596 n/a 15.9 15.9 15.9 15.9 15.9 15.9 15.9
1 15.9 15.9 15.4 14.4 12.9 11.1 9
90x90 8.01 362 1 11.6 11.6 11.6 11.6 11.6 11.6 11.6
0 - - - - - - -
9.26 419 n/a 13.5 13.5 13.5 13.5 13.5 13.5 13.5
1 13.5 13.3 12.7 11.9 10.6 9.07 7.31
10.5 472 n/a 15.1 15.1 15.1 15.1 15.1 15.1 15.1
1 15.1 14.9 14.3 13.4 12 10.2 8.21
12.8 582 n/a 18.2 18.2 18.2 18.2 18.2 18.2 18.2
1 18.2 18 17.3 16.1 14.4 12.4 10
15.1 682 n/a 20.9 20.9 20.9 20.9 20.9 20.9 20.9
1 20.9 20.8 20 18.7 16.8 14.4 11.6
100x100 8.96 405 1 13.3 13.3 13.3 13.3 13.3 13.3 13.3
0 - - - - - - -
11.7 529 n/a 18.9 18.9 18.9 18.9 18.9 18.9 18.9
1 18.9 18.7 17.9 16.7 15 12.7 10.3
14.4 653 n/a 22.9 22.9 22.9 22.9 22.9 22.9 22.9
1 22.9 22.6 21.7 20.2 18.1 15.5 12.6
17 767 n/a 26.5 26.5 26.5 26.5 26.5 26.5 26.5
1 26.5 26.3 25.3 23.6 21.1 18.1 14.6
21.4 966 n/a 31.2 31.2 31.2 31.2 31.2 31.2 31.2
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
2.5 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
3.0 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
1 31.2 31.2 30.7 28.6 25.8 22.4 18.2
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6
120x120 14.2 643 1 27.5 27.5 27.5 27.5 27.5 27.5 27.5
0 - - - - - - -
17.5 795 n/a 33.9 33.9 33.9 33.9 33.9 33.9 33.9
1 33.9 33.4 32.1 29.9 26.7 22.9 18.5
20.7 937 n/a 39.8 39.8 39.8 39.8 39.8 39.8 39.8
1 39.8 39.2 37.7 35.1 31.5 26.8 21.6
26.4 1190 n/a 48.1 48.1 48.1 48.1 48.1 48.1 48.1
1 48.1 48.1 46.5 43.4 39 33.5 27.2
31.8 1440 n/a 55 55 55 55 55 55 55
1 55 55 54.6 50.9 45.8 39.9 32.5
140x140 16.8 756 1 33.6 33.6 33.6 33.6 33.6 33.6 33.6
0 - - - - - - -
20.7 937 n/a 46.9 46.9 46.9 46.9 46.9 46.9 46.9
1 46.9 46.2 44.4 41.3 37 31.7 25.5
24.5 1110 n/a 55 55 55 55 55 55 55
1 55 54.3 52.1 48.5 43.5 37.2 30
31.4 1420 n/a 68.6 68.6 68.6 68.6 68.6 68.6 68.6
1 68.6 68 65.3 60.9 54.7 47 38
38.1 1730 n/a 79.7 79.7 79.7 79.7 79.7 79.7 79.7
1 79.7 79.7 77.5 72.2 64.9 56.4 45.7
150x150 18 813*
37.1 37.1 37.1 37.1 37.1 37.1 37.1
- - - - - - -
22.3 1010 1 53.8 53.8 53.8 53.8 53.8 53.8 53.8
0 - - - - - - -
26.4 1190 n/a 63.9 63.9 63.9 63.9 63.9 63.9 63.9
1 63.9 63.1 60.6 56.4 50.5 43 34.7
33.9 1530 n/a 80.1 80.1 80.1 80.1 80.1 80.1 80.1
1 80.1 79.2 76.1 70.9 63.7 54.6 44.1
41.3 1870 n/a 93.7 93.7 93.7 93.7 93.7 93.7 93.7
1 93.7 93.7 90.6 84.4 75.9 65.6 53.2
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>SQUARE HOLLOW SECTIONS
Mr
COLD-FORMED HYBOX 355
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
COLD-FORMED HYBOX 355
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6
160x160 19.3 870*
40.8 40.8 40.8 40.8 40.8 40.8 40.8
- - - - - - -
23.8 1080 1 58.3 58.3 58.3 58.3 58.3 58.3 58.3
0 - - - - - - -
28.3 1280 n/a 73.1 73.1 73.1 73.1 73.1 73.1 73.1
1 73.1 72.2 69.3 64.5 57.8 49.3 39.7
36.5 1650 n/a 92.3 92.3 92.3 92.3 92.3 92.3 92.3
1 92.3 91.1 87.5 81.6 73.2 62.7 50.7
44.4 2010 n/a 109 109 109 109 109 109 109
1 109 109 105 97.6 87.7 75.6 61.3
180x180 27 1220*
68.4 68.4 68.4 68.4 68.4 68.4 68.4
- - - - - - -
32.1 1450 1 92.8 92.8 92.8 92.8 92.8 92.8 92.8
0 - - - - - - -
41.5 1870 n/a 119 119 119 119 119 119 119
1 119 118 113 105 94.5 80.8 65.2
50.7 2290 n/a 143 143 143 143 143 143 143
1 143 142 136 127 114 97.8 79.1
58.5 2640 n/a 157 157 157 157 157 157 157
1 157 157 153 143 128 110 90.5
60.5 2730 n/a 161 161 161 161 161 161 161
1 161 161 157 147 132 113 93.4
200x200 30.1 1360*
79.7 79.7 79.7 79.7 79.7 79.7 79.7
- - - - - - -
35.8 1620 1 106 106 106 106 106 106 106
0 - - - - - - -
46.5 2100 n/a 149 149 149 149 149 149 149
1 149 148 142 132 118 101 81.5
57 2580 n/a 180 180 180 180 180 180 180
1 180 178 171 159 143 123 99.2
66 2990 n/a 201 201 201 201 201 201 201
1 201 201 194 181 163 139 114
68.3 3090 n/a 207 207 207 207 207 207 207
1 207 207 200 187 168 144 118
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>SQUARE HOLLOW SECTIONS
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
COLD-FORMED HYBOX 355
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre Semi-Compact
mm mm kg kN Compact 0 0.1 0.2 0.3 0.4 0.5 0.6
250x250 45.2 2040*
146 146 146 146 146 146 146
- - - - - - -
59.1 2670 1 229 229 229 229 229 229 229
0 - - - - - - -
72.7 3290 n/a 292 292 292 292 292 292 292
1 292 288 277 258 231 198 159
84.8 3830 n/a 335 335 335 335 335 335 335
1 335 331 318 296 266 227 185
88 3980 n/a 346 346 346 346 346 346 346
1 346 342 328 306 275 235 191
300x300 71.6 3240*
294 294 294 294 294 294 294
- - - - - - -
88.4 4010 1 425 425 425 425 425 425 425
0 - - - - - - -
104 4690 n/a 497 497 497 497 497 497 497
1 497 491 471 439 394 336 273
108 4860 n/a 515 515 515 515 515 515 515
1 515 508 488 455 408 348 283
F/Pz Limit Moment Capacity Mc (kNm) and Reduced Moment Capacity M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/P
F/Pz
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8
0.507 0.507 0.507 0.507 25x25 1 21.7 11 6.53 4.3 3.04 2.27 1.75
0.221 0.15 0.076 0
0.575 0.575 0.575 0.575 1 25 12.6 7.46 4.91 3.47 2.58 2
0.263 0.179 0.091 0
0.626 0.626 0.626 0.626 1 27.6 13.8 8.16 5.37 3.79 2.82 2.18
0.3 0.205 0.105 0
0.771 0.771 0.771 0.771 30x30 1 35.6 19.2 11.6 7.71 5.48 4.1 3.17
0.329 0.222 0.113 0
0.895 0.895 0.895 0.895 1 41.6 22.2 13.4 8.88 6.31 4.71 3.65
0.394 0.267 0.136 0
0.997 0.997 0.997 0.997 1 47.1 25 15 9.97 7.08 5.29 4.09
0.454 0.309 0.157 0
1.47 1.47 1.47 1.47 40x40 1 68.2 42.9 27.4 18.6 13.4 10.1 7.85
0.608 0.409 0.207 0
1.75 1.75 1.75 1.75 1 81.9 50.9 32.3 21.9 15.8 11.9 9.24
0.737 0.498 0.252 0
1.99 1.99 1.99 1.99 1 94.9 58.6 37.1 25.1 18.1 13.6 10.6
0.858 0.581 0.295 0
2.36 2.36 2.36 2.36 1 117 70.7 44.4 30 21.5 16.2 12.6
1.08 0.731 0.373 0
2.36 2.36 2.36 2.36 50x50 1 102 73.7 50.6 35.6 26 19.8 15.5
0.972 0.654 0.329 0
2.86 2.86 2.86 2.86 1 124 88.9 60.7 42.5 31.1 23.6 18.5
1.19 0.799 0.403 0
3.32 3.32 3.32 3.32 1 145 104 70.4 49.3 36 27.3 21.4
1.39 0.938 0.475 0
4.04 4.04 4.04 4.04 1 183 129 86.9 60.5 44.1 33.4 26.1
1.77 1.2 0.607 0
4.6 4.6 4.6 4.6 1 217 150 100 69.4 50.5 38.2 29.9
2.1 1.43 0.728 0
4.97 4.97 4.97 4.97 60x60 1 193 153 113 82.5 61.5 47.2 37.3
2.05 1.38 0.697 0
6.18 6.18 6.18 6.18 1 248 195 142 103 76.7 58.8 46.4
2.63 1.77 0.899 0
7.16 7.16 7.16 7.16 1 299 232 168 121 89.8 68.8 54.2
3.17 2.15 1.09 0
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
2.0
pyZ = 0.422
2.5
pyZ = 0.479
3.0
pyZ = 0.522
2.0
pyZ = 0.643
2.5
pyZ = 0.746
3.0
pyZ = 0.831
2.0
pyZ = 1.23
2.5
pyZ = 1.46
3.0
pyZ = 1.65
4.0
pyZ = 1.97
2.0
pyZ = 2.01
2.5
pyZ = 2.41
3.0
pyZ = 2.77
4.0
pyZ = 3.37
5.0
pyZ = 3.83
3.0
pyZ = 4.15
4.0
pyZ = 5.15
5.0
pyZ = 5.96
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8
5.86 5.86 5.86 5.86 70x70 1 204 173 137 105 80.8 63 50.2
2.41 1.61 0.813 0
6.89 6.89 6.89 6.89 1 241 203 161 123 94.1 73.4 58.4
2.84 1.91 0.962 0
7.88 7.88 7.88 7.88 1 277 233 184 140 107 83.4 66.4
3.25 2.19 1.11 0
8.78 8.78 8.78 8.78 1 310 260 205 156 119 92.5 73.6
3.64 2.45 1.24 0
10.3 10.3 10.3 10.3 1 379 316 246 186 142 110 87.4
4.43 3 1.52 0
9.16 9.16 9.16 9.16 80x80 1 288 252 211 169 134 106 85.7
3.75 2.52 1.27 0
10.5 10.5 10.5 10.5 1 332 291 243 194 153 122 97.8
4.32 2.9 1.46 0
11.8 11.8 11.8 11.8 1 372 325 271 216 170 135 108
4.84 3.26 1.65 0
14 14 14 14 1 457 398 329 262 205 162 130
5.91 3.99 2.02 0
15.9 15.9 15.9 15.9 1 531 461 379 299 234 184 148
6.85 4.64 2.35 0
11.6 11.6 11.6 11.6 90x90 1 334 301 261 219 179 145 118
- - - -
13.5 13.5 13.5 13.5 1 386 347 301 252 205 166 136
5.53 3.71 1.87 0
15.1 15.1 15.1 15.1 1 435 390 338 281 229 185 151
6.21 4.18 2.11 0
18.2 18.2 18.2 18.2 1 534 478 412 342 277 224 182
7.61 5.13 2.59 0
20.9 20.9 20.9 20.9 1 624 557 479 396 319 257 209
8.85 5.98 3.03 0
13.3 13.3 13.3 13.3 100x100 1 381 348 311 269 227 189 157
- - - -
18.9 18.9 18.9 18.9 1 496 454 404 349 293 243 201
7.75 5.21 2.62 0
22.9 22.9 22.9 22.9 1 612 558 495 426 356 294 243
9.51 6.41 3.23 0
26.5 26.5 26.5 26.5 1 717 652 577 494 412 339 280
11.1 7.49 3.79 0
31.2 31.2 31.2 31.2 1 897 813 714 605 500 409 336
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
2.5
pyZ = 5.01
3.0
pyZ = 5.82
3.5
pyZ = 6.6
4.0
pyZ = 7.31
5.0
pyZ = 8.59
3.0
pyZ = 7.81
3.5
pyZ = 8.88
4.0
pyZ = 9.87
5.0
pyZ = 11.7
6.0
pyZ = 13.2
3.0
pyZ = 10.0
3.5
pyZ = 11.4
4.0
pyZ = 12.8
5.0
pyZ = 15.2
6.0
pyZ = 17.4
3.0
pyZ = 12.6
4.0
pyZ = 16.1
5.0
pyZ = 19.2
6.0
pyZ = 22.1
8.0
13.8 9.37 4.76 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8
27.5 27.5 27.5 27.5 120x120 1 620 579 534 482 426 370 317
- - - -
33.9 33.9 33.9 33.9 1 766 715 658 593 523 453 388
14 9.39 4.73 0
39.8 39.8 39.8 39.8 1 902 840 772 695 611 528 451
16.4 11 5.57 0
48.1 48.1 48.1 48.1 1 1140 1060 973 871 761 652 554
20.7 14 7.07 0
55 55 55 55 1 1380 1280 1160 1040 899 766 648
24.7 16.8 8.51 0
33.6 33.6 33.6 33.6 140x140 1 743 703 660 613 560 504 447
- - - -
46.9 46.9 46.9 46.9 1 920 870 817 757 691 621 550
19.3 12.9 6.51 0
55 55 55 55 1 1090 1030 963 891 812 728 644
22.7 15.2 7.69 0
68.6 68.6 68.6 68.6 1 1390 1310 1230 1130 1030 915 804
28.9 19.4 9.83 0
79.7 79.7 79.7 79.7 1 1680 1590 1480 1360 1230 1090 957
34.8 23.5 11.9 0
37.1 37.1 37.1 $ 150x150*
768 732 693 650 604 553 500
- - - -
53.8 53.8 53.8 53.8 1 997 948 895 837 774 705 634
- - - -
63.9 63.9 63.9 63.9 1 1180 1120 1060 988 911 829 744
26.2 17.6 8.88 0
80.1 80.1 80.1 80.1 1 1510 1430 1350 1260 1160 1050 937
33.5 22.5 11.4 0
93.7 93.7 93.7 93.7 1 1840 1740 1640 1520 1400 1260 1120
40.4 27.3 13.8 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
SQUARE HOLLOW SECTIONS
pyZ = 26.0
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
4.0
pyZ = 23.8
5.0
pyZ = 28.7
6.0
pyZ = 33.3
8.0
pyZ = 40.1
10.0
pyZ = 45.8
4.0
pyZ = 33.1
5.0
pyZ = 40.1
6.0
pyZ = 46.5
8.0
pyZ = 57.2
10.0
pyZ = 66.4
4.0
pyZ = 38.3
5.0
pyZ = 46.5
6.0
pyZ = 54.3
8.0
pyZ = 66.7
10.0
pyZ = 78.1
COLD-FORMED HYBOX 355
TO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8
40.8 40.8 $ $ 160x160*
708 631 541 445 359 288 234
- - - -
58.3 58.3 58.3 58.3 1 973 855 717 577 457 363 293
- - - -
73.1 73.1 73.1 73.1 1 1150 1010 845 678 536 426 343
30 20.1 10.1 0
92.3 92.3 92.3 92.3 1 1480 1290 1070 853 671 531 427
38.4 25.9 13.1 0
109 109 109 109 1 1790 1560 1290 1020 799 631 507
46.5 31.4 15.9 0
68.4 68.4 68.4 $ 180x180*
1120 1010 882 741 607 493 404
- - - -
92.8 92.8 92.8 92.8 1 1340 1200 1050 875 715 580 474
- - - -
119 119 119 119 1 1720 1550 1340 1110 905 732 597
49.3 33.2 16.7 0
143 143 143 143 1 2100 1880 1620 1340 1090 877 714
60 40.4 20.4 0
157 157 157 157 1 2410 2150 1840 1510 1220 976 792
68.8 46.4 23.5 0
161 161 161 161 1 2490 2220 1890 1550 1250 1000 813
71 47.9 24.3 0
79.7 79.7 $ $ 200x200*
1150 1060 963 848 728 614 515
- - - -
106 106 106 106 1 1520 1390 1240 1080 908 755 627
- - - -
149 149 149 149 1 1970 1800 1600 1380 1160 960 795
61.6 41.4 20.9 0
180 180 180 180 1 2410 2200 1950 1670 1400 1160 954
75.1 50.6 25.5 0
201 201 201 201 1 2790 2530 2240 1910 1580 1300 1070
86.6 58.4 29.5 0
207 207 207 207 1 2880 2610 2310 1970 1630 1340 1100
89.4 60.3 30.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
SQUARE HOLLOW SECTIONSTO AXIAL COMPRESSION AND BENDING
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
4.0
pyZ = 43.7
5.0
pyZ = 53.3
6.0
pyZ = 62.5
8.0
pyZ = 77.4
10.0
pyZ = 90.9
5.0
pyZ = 68.5
6.0
pyZ = 80.2
8.0
pyZ = 100
10.0
pyZ = 119
12.0
pyZ = 131
12.5
pyZ = 134
5.0
pyZ = 85.6
6.0
pyZ = 100
8.0
pyZ = 127
10.0
pyZ = 151
12.0
pyZ = 168
12.5
pyZ = 173
COLD-FORMED HYBOX 355
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation
for and Capacities Limit for
D t
0.7 0.8 0.9 1 mm mm 2 3 4 5 6 7 8
146 114 $ $ 250x250*
1710 1610 1510 1400 1270 1140 1000
- - - -
229 229 229 229 1 2590 2430 2250 2050 1830 1600 1380
- - - -
292 292 292 292 1 3180 2980 2760 2510 2230 1950 1680
120 80.9 40.8 0
335 335 335 335 1 3710 3470 3200 2900 2570 2240 1930
140 94.1 47.5 0
346 346 346 346 1 3840 3590 3310 3000 2660 2310 1990
145 97.5 49.2 0
294 294 294 $ 300x300*
3060 2910 2750 2580 2400 2190 1980
- - - -
425 425 425 425 1 3970 3770 3560 3320 3070 2790 2510
- - - -
497 497 497 497 1 4630 4390 4140 3870 3570 3240 2900
206 138 69.8 0
515 515 515 515 1 4800 4560 4300 4020 3700 3360 3010
214 144 72.4 0
(kNm) and Reduced Moment Capacity Mr (kNm) F/Pz Compression Resistance P
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le (m) within the limiting value of F/P
6.0
pyZ = 161
8.0
pyZ = 205
10.0
pyZ = 247
12.0
pyZ = 280
12.5
pyZ = 289
8.0
pyZ = 303
10.0
pyZ = 366
12.0
pyZ = 419
12.5
pyZ = 433
<>
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
1.14 0.797 0.589 0.453 0.36 0.292
1.29 0.907 0.671 0.516 0.409 0.332
1.41 0.99 0.732 0.563 0.446 0.363
2.07 1.45 1.07 0.828 0.657 0.534
2.37 1.67 1.23 0.95 0.754 0.613
2.66 1.87 1.38 1.07 0.845 0.687
5.14 3.63 2.69 2.08 1.65 1.35
6.05 4.27 3.17 2.44 1.94 1.58
6.92 4.88 3.62 2.79 2.22 1.81
8.23 5.8 4.31 3.32 2.64 2.15
10.2 7.25 5.4 4.18 3.33 2.71
12.2 8.64 6.43 4.98 3.96 3.23
14.1 9.98 7.43 5.75 4.58 3.73
17.2 12.2 9.07 7.01 5.58 4.55
19.7 13.9 10.4 8 6.37 5.19
24.8 17.7 13.2 10.2 8.16 6.66
30.8 21.9 16.4 12.7 10.1 8.25
36 25.6 19.1 14.8 11.8 9.62
Compression Resistance Pc (kN)
Varying effective lengths Le (m) within the limiting value of F/Pz
<>
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
33.8 24.2 18.2 14.1 11.3 9.22
39.3 28.1 21.1 16.4 13.1 10.7
44.6 31.9 23.9 18.6 14.9 12.1
49.4 35.4 26.5 20.6 16.5 13.4
58.7 41.9 31.4 24.4 19.5 15.9
58.3 42 31.6 24.7 19.7 16.2
66.6 47.9 36.1 28.1 22.5 18.4
73.6 53 39.9 31.1 24.9 20.3
88.5 63.7 47.9 37.3 29.8 24.4
100 72 54.2 42.2 33.7 27.6
81.9 59.5 45 35.2 28.2 23.1
93.9 68.1 51.5 40.2 32.3 26.5
104 75.6 57.1 44.6 35.8 29.4
125 90.8 68.6 53.6 43 35.2
144 104 78.6 61.4 49.2 40.3
110 80.8 61.4 48.1 38.7 31.8
141 103 78.4 61.5 49.4 40.6
170 125 94.6 74.1 59.6 48.9
196 143 108 84.9 68.2 56
233 170 129 101 80.9 66.4
Compression Resistance Pc (kN)
Varying effective lengths Le (m) within the limiting value of F/Pz
<>
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
233 174 134 106 85.4 70.4
283 211 163 128 104 85.4
328 245 188 148 120 98.7
401 298 228 180 145 120
466 345 264 208 168 138
344 264 206 164 134 111
422 324 253 201 164 135
492 377 294 234 190 157
610 465 362 288 234 193
722 549 426 338 274 227
398 312 247 198 162 135
498 388 306 245 200 166
583 454 357 286 233 193
729 564 442 354 288 239
867 668 523 418 340 282
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m) within the limiting value of F/Pz
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
193 161 136 116 101 87.8
240 200 168 144 124 108
281 234 197 168 145 127
349 290 245 209 180 157
414 344 290 247 213 186
334 279 237 203 176 154
392 328 278 238 206 180
493 412 349 299 258 226
588 491 416 356 308 269
652 544 460 393 340 297
668 558 471 403 349 304
434 367 314 271 236 207
523 441 376 323 280 246
663 558 475 408 354 310
795 668 568 488 423 371
891 749 636 546 473 414
916 769 653 561 486 425
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m) within the limiting value of F/Pz
RESISTANCES AND CAPACITIES FOR S355
for
9 10 11 12 13 14
876 764 666 584 514 454
1190 1030 887 771 675 595
1450 1240 1070 934 817 720
1650 1420 1220 1060 928 817
1700 1460 1260 1100 958 843
1770 1570 1390 1230 1090 975
2230 1970 1730 1530 1350 1200
2580 2270 2000 1760 1560 1390
2670 2360 2080 1830 1620 1440
Compression Resistance Pc (kN)
Varying effective lengths Le (m) within the limiting value of F/Pz
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
26.9 1.23 55.4 0.386 0.386 0.386 0.386 0.386 0.386 0.386 0.386 0.386
0.386 0.386 0.386 0.386 0.356 0.311 0.259 0.2 0.136
1.5 68.2 0.456 0.456 0.456 0.456 0.456 0.456 0.456 0.456 0.456
0.456 0.456 0.456 0.456 0.428 0.374 0.311 0.24 0.163
1.77 79.9 0.515 0.515 0.515 0.515 0.515 0.515 0.515 0.515 0.515
0.515 0.515 0.515 0.515 0.494 0.432 0.359 0.277 0.189
33.7 1.56 70.6 0.635 0.635 0.635 0.635 0.635 0.635 0.635 0.635 0.635
0.635 0.635 0.635 0.635 0.577 0.505 0.419 0.324 0.22
1.92 87 0.758 0.758 0.758 0.758 0.758 0.758 0.758 0.758 0.758
0.758 0.758 0.758 0.758 0.701 0.612 0.509 0.393 0.268
2.27 103 0.869 0.869 0.869 0.869 0.869 0.869 0.869 0.869 0.869
0.869 0.869 0.869 0.869 0.816 0.713 0.593 0.458 0.312
2.93 132 1.06 1.06 1.06 1.06 1.06 1.06 1.06 1.06 1.06
1.06 1.06 1.06 1.06 1.02 0.891 0.741 0.572 0.389
3.24 147 1.14 1.14 1.14 1.14 1.14 1.14 1.14 1.14 1.14
1.14 1.14 1.14 1.14 1.11 0.971 0.808 0.624 0.425
42.4 2.46 111 1.26 1.26 1.26 1.26 1.26 1.26 1.26 1.26 1.26
1.26 1.26 1.26 1.26 1.15 1 0.833 0.643 0.438
2.91 132 1.46 1.46 1.46 1.46 1.46 1.46 1.46 1.46 1.46
1.46 1.46 1.46 1.46 1.34 1.17 0.974 0.753 0.512
3.36 152 1.64 1.64 1.64 1.64 1.64 1.64 1.64 1.64 1.64
1.64 1.64 1.64 1.64 1.53 1.33 1.11 0.856 0.583
3.79 171 1.81 1.81 1.81 1.81 1.81 1.81 1.81 1.81 1.81
1.81 1.81 1.81 1.81 1.7 1.49 1.24 0.954 0.649
48.3 2.82 128 1.67 1.67 1.67 1.67 1.67 1.67 1.67 1.67 1.67
1.67 1.67 1.67 1.66 1.51 1.32 1.1 0.846 0.576
3.35 152 1.94 1.94 1.94 1.94 1.94 1.94 1.94 1.94 1.94
1.94 1.94 1.94 1.94 1.77 1.55 1.29 0.994 0.677
3.87 175 2.19 2.19 2.19 2.19 2.19 2.19 2.19 2.19 2.19
2.19 2.19 2.19 2.19 2.02 1.77 1.47 1.13 0.772
4.37 198 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43 2.43
2.43 2.43 2.43 2.43 2.26 1.98 1.64 1.27 0.863
5.34 241 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85 2.85
2.85 2.85 2.85 2.85 2.71 2.36 1.97 1.52 1.03
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
COLD-FORMED HYBOX 355
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
2.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
2.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
4.0 Mc
Mr
4.5 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
60.3 3.56 161 2.68 2.68 2.68 2.68 2.68 2.68 2.68 2.68 2.68
2.68 2.68 2.68 2.64 2.4 2.1 1.74 1.35 0.917
4.24 192 3.14 3.14 3.14 3.14 3.14 3.14 3.14 3.14 3.14
3.14 3.14 3.14 3.12 2.83 2.48 2.06 1.59 1.08
4.9 222 3.57 3.57 3.57 3.57 3.57 3.57 3.57 3.57 3.57
3.57 3.57 3.57 3.57 3.25 2.84 2.36 1.82 1.24
5.55 251 3.98 3.98 3.98 3.98 3.98 3.98 3.98 3.98 3.98
3.98 3.98 3.98 3.98 3.65 3.19 2.65 2.05 1.39
6.82 308 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73 4.73
4.73 4.73 4.73 4.73 4.39 3.84 3.19 2.47 1.68
76.1 4.54 205 4.39 4.39 4.39 4.39 4.39 4.39 4.39 4.39 4.39
4.39 4.39 4.39 4.27 3.88 3.39 2.82 2.18 1.48
5.41 245 5.15 5.15 5.15 5.15 5.15 5.15 5.15 5.15 5.15
5.15 5.15 5.15 5.06 4.6 4.02 3.34 2.58 1.76
6.27 283 5.92 5.92 5.92 5.92 5.92 5.92 5.92 5.92 5.92
5.92 5.92 5.92 5.85 5.31 4.64 3.86 2.98 2.03
7.11 322 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6
6.6 6.6 6.6 6.58 5.97 5.22 4.34 3.35 2.28
8.77 398 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92 7.92
7.92 7.92 7.92 7.92 7.27 6.35 5.28 4.08 2.78
88.9 6.36 288 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16 7.16
7.16 7.16 7.16 6.99 6.35 5.55 4.61 3.56 2.42
7.37 333 8.22 8.22 8.22 8.22 8.22 8.22 8.22 8.22 8.22
8.22 8.22 8.22 8.07 7.32 6.4 5.32 4.11 2.8
8.38 380 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24 9.24
9.24 9.24 9.24 9.14 8.3 7.25 6.03 4.66 3.17
10.3 469 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2
11.2 11.2 11.2 11.1 10.1 8.84 7.34 5.67 3.86
114.3 8.23 373 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1
12.1 12.1 12.1 11.8 10.7 9.34 7.76 6 4.08
9.56 433 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9 13.9
13.9 13.9 13.9 13.6 12.3 10.8 8.97 6.93 4.72
10.9 493 15.7 15.7 15.7 15.7 15.7 15.7 15.7 15.7 15.7
15.7 15.7 15.7 15.4 14 12.2 10.2 7.85 5.34
13.5 611 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2 19.2
19.2 19.2 19.2 18.9 17.2 15 12.5 9.64 6.56
16 724 22.4 22.4 22.4 22.4 22.4 22.4 22.4 22.4 22.4
22.4 22.4 22.4 22.3 20.2 17.7 14.7 11.3 7.72
BS 5950-1: 2000 AXIAL LOAD & BENDING
COLD-FORMED HYBOX 355
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
2.5 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
2.5 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
3.0 Mc
Mr
3.5 Mc
Mr
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
BS EN 10219-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
139.7 13.4 607 23.9 23.9 23.9 23.9 23.9 23.9 23.9 23.9 23.9
23.9 23.9 23.9 23.3 21.2 18.5 15.4 11.9 8.08
16.6 753 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3
29.3 29.3 29.3 28.7 26.1 22.8 18.9 14.6 9.96
19.8 895 34.4 34.4 34.4 34.4 34.4 34.4 34.4 34.4 34.4
34.4 34.4 34.4 33.8 30.7 26.9 22.3 17.2 11.7
26 1180 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9 43.9
43.9 43.9 43.9 43.9 39.9 34.9 29 22.4 15.2
32 1440 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4 52.4
52.4 52.4 52.4 52.4 48.5 42.4 35.3 27.2 18.5
39.2 1780 62.2 62.2 62.2 62.2 62.2 62.2 62.2 62.2 62.2
62.2 62.2 62.2 62.2 58.3 51 42.4 32.7 22.3
168.3 16.2 731 35.3 35.3 35.3 35.3 35.3 35.3 35.3 35.3 35.3
- - - - - - - - -
20.1 912 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5 43.5
43.5 43.5 43.5 42.1 38.2 33.4 27.8 21.4 14.6
24 1090 51.1 51.1 51.1 51.1 51.1 51.1 51.1 51.1 51.1
51.1 51.1 51.1 50 45.4 39.7 33 25.5 17.3
31.6 1430 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6 65.6
65.6 65.6 65.6 65.2 59.2 51.7 43 33.2 22.6
39 1760 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2 79.2
79.2 79.2 79.2 79.2 72.1 63 52.4 40.5 27.5
48 2170 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6 94.6
94.6 94.6 94.6 94.6 87.3 76.3 63.4 49 33.3
193.7 18.7 845 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3 47.3
- - - - - - - - -
21 948 52.8 52.8 52.8 52.8 52.8 52.8 52.8 52.8 52.8
- - - - - - - - -
23.3 1050 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9 57.9
- - - - - - - - -
27.8 1260 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6 68.6
68.6 68.6 68.6 66.7 60.6 53 44 34 23.1
36.6 1660 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6
88.6 88.6 88.6 87.3 79.3 69.3 57.6 44.5 30.3
45.3 2050 107 107 107 107 107 107 107 107 107
107 107 107 107 97.1 84.8 70.5 54.5 37.1
55.9 2530 129 129 129 129 129 129 129 129 129
129 129 129 129 118 103 85.8 66.2 45.1
COLD-FORMED HYBOX 355
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
4.0 Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
4.0 ¢Mc
Mr
5.0 Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
4.0 ¢Mc
Mr
4.5 ¢Mc
Mr
5.0 ¢Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.5 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
219.1 21.2 959 59.8 59.8 59.8 59.8 59.8 59.8 59.8 59.8 59.8
- - - - - - - - -
23.8 1080 67.7 67.7 67.7 67.7 67.7 67.7 67.7 67.7 67.7
- - - - - - - - -
26.4 1190 75 75 75 75 75 75 75 75 75
- - - - - - - - -
31.5 1430 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6 88.6
88.6 88.6 88.6 86.4 78.4 68.5 57 44 29.9
41.6 1890 115 115 115 115 115 115 115 115 115
115 115 115 113 103 89.6 74.5 57.5 39.2
51.6 2330 140 140 140 140 140 140 140 140 140
140 140 140 139 126 110 91.4 70.6 48
61.3 2770 163 163 163 163 163 163 163 163 163
163 163 163 163 148 129 107 83 56.5
63.7 2880 169 169 169 169 169 169 169 169 169
169 169 169 169 153 134 111 86.1 58.6
80.1 3620 206 206 206 206 206 206 206 206 206
206 206 206 206 190 166 138 107 72.5
244.5 26.6 1200 83.8 83.8 83.8 83.8 83.8 83.8 83.8 83.8 83.8
- - - - - - - - -
29.5 1330 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1 94.1
- - - - - - - - -
35.3 1600 112 112 112 112 112 112 112 112 112
- - - - - - - - -
46.7 2110 145 145 145 145 145 145 145 145 145
145 145 145 142 129 112 93.5 72.2 49.1
57.8 2620 177 177 177 177 177 177 177 177 177
177 177 177 174 158 138 115 88.6 60.3
68.8 3110 207 207 207 207 207 207 207 207 207
207 207 207 205 186 163 135 105 71.2
71.5 3230 214 214 214 214 214 214 214 214 214
214 214 214 213 193 169 140 108 73.8
90.2 4080 262 262 262 262 262 262 262 262 262
262 262 262 262 240 210 175 135 91.8
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>
COLD-FORMED HYBOX 355
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
4.0 ¢Mc
Mr
4.5 ¢Mc
Mr
5.0 ¢Mc
Mr
6.0 Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
4.5 ¢Mc
Mr
5.0 ¢Mc
Mr
6.0 ¢Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
COLD-FORMED HYBOX 355
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
273 26.5 1200 88.4 88.4 88.4 88.4 88.4 88.4 88.4 88.4 88.4
- - - - - - - - -
29.8 1350 102 102 102 102 102 102 102 102 102
- - - - - - - - -
33 1490 116 116 116 116 116 116 116 116 116
- - - - - - - - -
39.5 1790 140 140 140 140 140 140 140 140 140
- - - - - - - - -
52.3 2360 183 183 183 183 183 183 183 183 183
183 183 183 178 161 141 117 90.6 61.7
64.9 2930 223 223 223 223 223 223 223 223 223
223 223 223 219 199 174 144 112 75.9
77.2 3490 262 262 262 262 262 262 262 262 262
262 262 262 259 235 205 171 132 89.7
80.3 3620 271 271 271 271 271 271 271 271 271
271 271 271 269 244 213 177 137 93.1
101 4580 334 334 334 334 334 334 334 334 334
334 334 334 334 304 266 221 171 116
323.9 39.3 1780 157 157 157 157 157 157 157 157 157
- - - - - - - - -
47 2130 197 197 197 197 197 197 197 197 197
- - - - - - - - -
62.3 2820 261 261 261 261 261 261 261 261 261
- - - - - - - - -
77.4 3500 320 320 320 320 320 320 320 320 320
320 320 320 312 283 248 206 159 108
92.3 4190 377 377 377 377 377 377 377 377 377
377 377 377 369 335 293 244 188 128
96 4330 391 391 391 391 391 391 391 391 391
391 391 391 384 348 304 253 195 133
121 5500 484 484 484 484 484 484 484 484 484
484 484 484 480 436 381 317 245 167
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
* 4.0 ¢Mc
Mr
4.5 ¢Mc
Mr
5.0 ¢Mc
Mr
6.0 ¢Mc
Mr
8.0 Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
* 5.0 ¢Mc
Mr
6.0 ¢Mc
Mr
8.0 ¢Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
COLD-FORMED HYBOX 355
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
355.6 43.2 1960 186 186 186 186 186 186 186 186 186
- - - - - - - - -
51.7 2340 232 232 232 232 232 232 232 232 232
- - - - - - - - -
68.6 3100 316 316 316 316 316 316 316 316 316
- - - - - - - - -
85.2 3870 389 389 389 389 389 389 389 389 389
389 389 389 378 343 300 249 193 131
102 4620 458 458 458 458 458 458 458 458 458
458 458 458 448 407 356 296 228 155
106 4790 476 476 476 476 476 476 476 476 476
476 476 476 466 423 370 307 237 161
134 6070 591 591 591 591 591 591 591 591 591
591 591 591 584 530 464 385 298 203
406.4 59.2 2680 295 295 295 295 295 295 295 295 295
- - - - - - - - -
78.6 3550 417 417 417 417 417 417 417 417 417
- - - - - - - - -
97.8 4440 513 513 513 513 513 513 513 513 513
- - - - - - - - -
117 5290 607 607 607 607 607 607 607 607 607
607 607 607 591 536 469 390 301 205
121 5500 630 630 630 630 630 630 630 630 630
630 630 630 614 557 487 405 313 213
154 6960 785 785 785 785 785 785 785 785 785
785 785 785 772 701 612 509 393 268
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
<>CIRCULAR HOLLOW SECTIONS SUBJECT
TO AXIAL LOAD (COMPRESSION OR TENSION) AND BENDING
CROSS-SECTION CAPACITY CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Mass Axial load
per Capacity for
D t Metre
mm mm kg kN 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
457 88.6 4010 515 515 515 515 515 515 515 515 515
- - - - - - - - -
110 4970 654 654 654 654 654 654 654 654 654
- - - - - - - - -
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
* 5.0 ¢Mc
Mr
6.0 ¢Mc
Mr
8.0 ¢Mc
Mr
10.0 Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
* 6.0 ¢Mc
Mr
8.0 ¢Mc
Mr
10.0 ¢Mc
Mr
12.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
COLD-FORMED HYBOX 355
Moment Capacity Mcx, Mcy (kNm) and Reduced Moment Capacity Mrx, M
Designation
Pz = Agpy Ratios of Axial Load to Axial Load Capacity F/Pz
F/Pz
8.0 ¢Mc
Mr
10.0 ¢Mc
Mr
132 5960 775 775 775 775 775 775 775 775 775
775 775 775 752 683 597 496 383 261
137 6210 804 804 804 804 804 804 804 804 804
804 804 804 781 709 620 515 398 271
174 7880 1010 1010 1010 1010 1010 1010 1010 1010 1010
1010 1010 1010 985 894 781 650 502 342
508 98.6 4470 622 622 622 622 622 622 622 622 622
- - - - - - - - -
123 5540 814 814 814 814 814 814 814 814 814
- - - - - - - - -
147 6640 965 965 965 965 965 965 965 965 965
- - - - - - - - -
153 6920 1000 1000 1000 1000 1000 1000 1000 1000 1000
- - - - - - - - -
194 8770 1260 1260 1260 1260 1260 1260 1260 1260 1260
1260 1260 1260 1230 1110 972 808 624 425
12.0 Mc
Mr
12.5 Mc
Mr
16.0 Mc
Mr
* 8.0 ¢Mc
Mr
10.0 ¢Mc
Mr
12.0 ¢Mc
Mr
12.5 ¢Mc
Mr
16.0 Mc
Mr
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5
0.386 0.386 26.9 1.23 18.1 9.11 5.38 3.54 2.5 1.86 1.44 0.933
0.069 0
0.456 0.456 1.5 21.7 10.8 6.4 4.21 2.98 2.21 1.71 1.11
0.083 0
0.515 0.515 1.77 24.7 12.3 7.26 4.77 3.37 2.51 1.94 1.26
0.096 0
0.635 0.635 33.7 1.56 32.7 17.6 10.6 7.05 5.02 3.75 2.9 1.89
0.112 0
0.758 0.758 1.92 39.8 21.3 12.9 8.54 6.07 4.53 3.51 2.29
0.136 0
0.869 0.869 2.27 45.8 24.4 14.7 9.74 6.92 5.17 4 2.6
0.158 0
1.06 1.06 2.93 56.9 30 18 11.9 8.47 6.32 4.89 3.18
0.197 0
1.14 1.14 3.24 61.4 32.2 19.3 12.8 9.05 6.75 5.22 3.4
0.215 0
1.26 1.26 42.4 2.46 67.1 40.1 25.1 16.9 12.1 9.1 7.08 4.63
0.222 0
1.46 1.46 2.91 78.9 47 29.4 19.8 14.2 10.6 8.28 5.41
0.259 0
1.64 1.64 3.36 89.8 53.1 33 22.3 15.9 12 9.29 6.07
0.295 0
1.81 1.81 3.79 99.8 58.5 36.4 24.5 17.5 13.1 10.2 6.66
0.329 0
1.67 1.67 48.3 2.82 86.9 56.4 36.4 24.9 18 13.6 10.6 6.94
0.292 0
1.94 1.94 3.35 103 66.3 42.8 29.2 21.1 15.9 12.4 8.13
0.343 0
2.19 2.19 3.87 117 75.2 48.4 33 23.8 17.9 14 9.17
0.391 0
2.43 2.43 4.37 131 83.5 53.5 36.5 26.3 19.8 15.4 10.1
0.437 0
2.85 2.85 5.34 158 99.2 63.3 43 31 23.3 18.2 11.9
0.523 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le
2.0
pyZ = 0.322
2.5
pyZ = 0.38
3.0
pyZ = 0.43
2.0
pyZ = 0.529
2.5
pyZ = 0.632
3.0
pyZ = 0.724
4.0
pyZ = 0.884
4.5
pyZ = 0.948
2.5
pyZ = 1.05
3.0
pyZ = 1.21
3.5
pyZ = 1.37
4.0
pyZ = 1.51
2.5
pyZ = 1.39
3.0
pyZ = 1.62
3.5
pyZ = 1.83
4.0
pyZ = 2.02
5.0
pyZ = 2.37
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5
2.68 2.68 60.3 3.56 126 94.3 66.1 46.9 34.5 26.3 20.6 13.6
0.464 0
3.14 3.14 4.24 150 111 77.5 54.9 40.3 30.7 24.1 15.9
0.548 0
3.57 3.57 4.9 172 127 88.4 62.5 45.9 34.9 27.4 18.1
0.628 0
3.98 3.98 5.55 194 143 99.3 70.1 51.4 39.1 30.7 20.3
0.705 0
4.73 4.73 6.82 237 172 118 83.3 61 46.4 36.4 24
0.85 0
4.39 4.39 76.1 4.54 176 146 114 85.9 65.2 50.6 40.2 27
0.75 0
5.15 5.15 5.41 210 174 135 102 77.3 60 47.6 31.9
0.889 0
5.92 5.92 6.27 242 201 155 117 88.4 68.5 54.4 36.4
1.03 0
6.6 6.6 7.11 274 226 175 131 99.2 76.8 60.9 40.8
1.16 0
7.92 7.92 8.77 338 278 213 159 120 93 73.8 49.3
1.41 0
7.16 7.16 88.9 6.36 257 224 186 148 116 91.8 73.7 50.1
1.23 0
8.22 8.22 7.37 298 259 214 170 133 105 84.5 57.4
1.42 0
9.24 9.24 8.38 339 294 243 192 150 119 95.3 64.6
1.6 0
11.2 11.2 10.3 417 361 297 234 183 144 116 78.3
1.95 0
12.1 12.1 114.3 8.23 351 321 287 248 209 174 144 102
2.07 0
13.9 13.9 9.56 407 372 332 287 242 201 166 117
2.39 0
15.7 15.7 10.9 463 423 377 326 274 227 188 132
2.7 0
19.2 19.2 13.5 573 523 465 401 336 278 230 161
3.32 0
22.4 22.4 16 678 618 549 471 394 325 269 188
3.91 0
BS 5950-1: 2000 AXIAL LOAD & BENDING
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le
2.5
pyZ = 2.24
3.0
pyZ = 2.62
3.5
pyZ = 2.98
4.0
pyZ = 3.32
5.0
pyZ = 3.94
2.5
pyZ = 3.66
3.0
pyZ = 4.3
3.5
pyZ = 4.93
4.0
pyZ = 5.5
5.0
pyZ = 6.6
3.0
pyZ = 5.96
3.5
pyZ = 6.85
4.0
pyZ = 7.7
5.0
pyZ = 9.3
3.0
pyZ = 10.1
3.5
pyZ = 11.6
4.0
pyZ = 13.1
5.0
pyZ = 16.0
6.0
pyZ = 18.6
BS EN 10219-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 1 1.5 2 2.5 3 3.5 4 5
23.9 23.9 139.7 13.4 587 549 508 460 409 356 307 226
4.09 0
29.3 29.3 16.6 727 680 628 569 505 439 378 278
5.04 0
34.4 34.4 19.8 864 807 744 673 596 517 444 326
5.94 0
43.9 43.9 26 1130 1060 972 877 773 669 573 419
7.72 0
52.4 52.4 32 1390 1300 1190 1070 941 811 693 504
9.39 0
62.2 62.2 39.2 1700 1580 1450 1300 1140 978 832 603
11.3 0
35.3 35.3 168.3 16.2 722 686 647 604 557 506 454 355
- -
43.5 43.5 20.1 901 855 806 753 693 629 564 440
7.39 0
51.1 51.1 24 1070 1020 958 894 822 746 667 520
8.77 0
65.6 65.6 31.6 1410 1340 1260 1170 1080 973 868 674
11.4 0
79.2 79.2 39 1740 1650 1550 1440 1320 1190 1060 819
13.9 0
94.6 94.6 48 2140 2020 1900 1760 1610 1450 1290 990
16.9 0
47.3 47.3 193.7 18.7 845 810 772 732 688 640 589 485
- -
52.8 52.8 21 948 908 866 820 771 717 660 543
- -
57.9 57.9 23.3 1050 1010 959 909 854 794 730 600
- -
68.6 68.6 27.8 1260 1200 1150 1090 1020 947 870 714
11.7 0
88.6 88.6 36.6 1660 1580 1510 1430 1340 1240 1140 931
15.3 0
107 107 45.3 2040 1950 1860 1760 1650 1530 1400 1140
18.8 0
129 129 55.9 2520 2410 2290 2160 2020 1870 1710 1380
22.8 0
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le
4.0
pyZ = 20.0
5.0
pyZ = 24.4
6.0
pyZ = 28.7
8.0
pyZ = 36.6
10.0
pyZ = 43.7
12.5
pyZ = 51.8
4.0
pyZ = 29.4
5.0
pyZ = 36.2
6.0
pyZ = 42.6
8.0
pyZ = 54.7
10.0
pyZ = 66.0
12.5
pyZ = 78.8
4.0
pyZ = 39.4
4.5
pyZ = 44.0
5.0
pyZ = 48.3
6.0
pyZ = 57.2
8.0
pyZ = 73.8
10.0
pyZ = 89.5
12.5
pyZ = 108
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 2 3 4 5 6 7 8 9
59.8 59.8 219.1 21.2 896 816 723 620 517 427 352 293
- -
67.7 67.7 23.8 1010 915 811 694 579 477 394 327
- -
75 75 26.4 1110 1010 898 768 640 527 435 362
- -
88.6 88.6 31.5 1330 1210 1070 916 762 627 517 430
15.2 0
115 115 41.6 1760 1600 1410 1200 996 818 673 559
19.8 0
140 140 51.6 2170 1970 1730 1470 1220 999 821 681
24.3 0
163 163 61.3 2580 2330 2050 1740 1430 1170 962 797
28.6 0
169 169 63.7 2670 2420 2130 1800 1490 1210 997 826
29.7 0
206 206 80.1 3350 3030 2650 2230 1830 1490 1220 1010
36.7 0
83.8 83.8 244.5 26.6 1140 1060 959 847 729 616 518 437
- -
94.1 94.1 29.5 1270 1170 1060 938 807 682 573 483
- -
112 112 35.3 1520 1400 1270 1120 961 811 681 573
- -
145 145 46.7 2000 1850 1670 1470 1260 1060 890 749
24.9 0
177 177 57.8 2480 2290 2060 1810 1550 1300 1090 917
30.5 0
207 207 68.8 2950 2710 2450 2140 1830 1530 1280 1080
36 0
214 214 71.5 3060 2820 2540 2220 1890 1590 1330 1110
37.4 0
262 262 90.2 3860 3540 3180 2780 2360 1970 1640 1380
46.5 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le
4.0
pyZ = 50.8
4.5
pyZ = 56.4
5.0
pyZ = 62.5
6.0
pyZ = 73.8
8.0
pyZ = 95.9
10.0
pyZ = 116
12.0
pyZ = 136
12.5
pyZ = 141
16.0
pyZ = 171
4.5
pyZ = 71.0
5.0
pyZ = 78.5
6.0
pyZ = 93.0
8.0
pyZ = 121
10.0
pyZ = 147
12.0
pyZ = 173
12.5
pyZ = 179
16.0
pyZ = 219
COLD-FORMED HYBOX 355
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 2 3 4 5 6 7 8 9
88.4 88.4 273 26.5 1110 1040 961 874 779 681 589 506
- -
102 102 29.8 1300 1220 1120 1020 901 783 673 576
- -
116 116 33 1440 1350 1240 1130 997 866 744 637
- -
140 140 39.5 1720 1610 1480 1340 1190 1030 884 756
- -
183 183 52.3 2280 2130 1960 1770 1560 1350 1160 991
31.2 0
223 223 64.9 2820 2640 2420 2190 1930 1670 1430 1220
38.4 0
262 262 77.2 3360 3130 2880 2590 2280 1970 1680 1440
45.4 0
271 271 80.3 3480 3250 2980 2680 2360 2040 1740 1480
47.1 0
334 334 101 4400 4090 3750 3370 2950 2540 2160 1840
58.8 0
157 157 323.9 39.3 1720 1630 1530 1430 1310 1190 1060 940
- -
197 197 47 2090 1980 1860 1730 1590 1430 1270 1120
- -
261 261 62.3 2770 2630 2470 2300 2100 1900 1690 1490
- -
320 320 77.4 3440 3260 3060 2840 2600 2340 2080 1830
54.8 0
377 377 92.3 4120 3890 3650 3390 3100 2780 2470 2170
64.9 0
391 391 96 4250 4020 3780 3500 3200 2880 2550 2240
67.4 0
484 484 121 5400 5100 4790 4430 4040 3630 3210 2810
84.3 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le
* 4.0
pyZ = 79.5
4.5
pyZ = 89.1
5.0
pyZ = 98.3
6.0
pyZ = 117
8.0
pyZ = 152
10.0
pyZ = 186
12.0
pyZ = 218
12.5
pyZ = 226
16.0
pyZ = 278
* 5.0
pyZ = 140
6.0
pyZ = 166
8.0
pyZ = 217
10.0
pyZ = 267
12.0
pyZ = 314
12.5
pyZ = 326
16.0
pyZ = 403
COLD-FORMED HYBOX 355
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 2 3 4 5 6 7 8 9
186 186 355.6 43.2 1820 1740 1650 1560 1460 1350 1230 1110
- -
232 232 51.7 2330 2220 2100 1980 1840 1690 1540 1380
- -
316 316 68.6 3080 2940 2780 2620 2430 2230 2020 1820
- -
389 389 85.2 3840 3660 3460 3250 3020 2770 2510 2250
66.4 0
458 458 102 4580 4360 4130 3880 3600 3300 2990 2680
78.7 0
476 476 106 4750 4520 4280 4020 3730 3410 3080 2760
81.7 0
591 591 134 6020 5720 5410 5080 4700 4300 3880 3460
103 0
295 295 406.4 59.2 2560 2480 2380 2270 2150 2020 1880 1740
- -
417 417 78.6 3550 3420 3280 3120 2950 2760 2560 2350
- -
513 513 97.8 4440 4280 4090 3890 3670 3440 3190 2920
- -
607 607 117 5290 5100 4870 4640 4380 4100 3800 3480
104 0
630 630 121 5500 5300 5060 4810 4540 4250 3930 3600
108 0
785 785 154 6960 6690 6390 6070 5730 5350 4950 4530
136 0
BS 5950-1: 2000 AXIAL LOAD & BENDINGBS EN 10219-2: 1997
CIRCULAR HOLLOW SECTIONS SUBJECTTO AXIAL COMPRESSION AND BENDING
MEMBER BUCKLING CHECK
RESISTANCES AND CAPACITIES FOR S355
Section Designation Mass
for and Capacities per for
D t Metre
0.9 1 mm mm kg 2 3 4 5 6 7 8 9
515 515 457 88.6 4010 3920 3780 3620 3460 3290 3100 2900
- -
654 654 110 4970 4860 4680 4480 4280 4060 3830 3580
- -
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le
* 5.0
pyZ = 169
6.0
pyZ = 201
8.0
pyZ = 263
10.0
pyZ = 324
12.0
pyZ = 382
12.5
pyZ = 397
16.0
pyZ = 492
* 6.0
pyZ = 264
8.0
pyZ = 347
10.0
pyZ = 428
12.0
pyZ = 506
12.5
pyZ = 525
16.0
pyZ = 654
COLD-FORMED HYBOX 355
(kNm) and Reduced Moment Capacity Mrx, Mry (kNm) Compression Resistance Pc
Ratios of Axial Load to Axial Load Capacity F/Pz Varying effective lengths Le
8.0
pyZ = 442
10.0
pyZ = 545
775 775 132 5960 5830 5610 5370 5130 4860 4580 4270
132 0
804 804 137 6210 6070 5840 5600 5340 5060 4770 4450
137 0
1010 1010 174 7880 7690 7400 7090 6760 6410 6030 5620
173 0
622 622 508 98.6 4420 4370 4230 4080 3930 3770 3590 3410
- -
814 814 123 5540 5480 5290 5110 4910 4700 4480 4240
- -
965 965 147 6640 6560 6340 6120 5880 5630 5360 5070
- -
1000 1000 153 6920 6840 6610 6380 6130 5870 5590 5290
- -
1260 1260 194 8770 8660 8370 8070 7750 7420 7060 6680
215 0
12.0
pyZ = 646
12.5
pyZ = 670
16.0
pyZ = 838
* 8.0
pyZ = 549
10.0
pyZ = 678
12.0
pyZ = 804
12.5
pyZ = 835
16.0
pyZ = 1050
<>
for
6 7 8 9 10
0.654 0.483 0.372 0.295 0.24
0.776 0.574 0.441 0.35 0.284
0.879 0.65 0.5 0.396 0.322
1.33 0.982 0.756 0.6 0.488
1.6 1.19 0.915 0.726 0.59
1.83 1.35 1.04 0.827 0.672
2.23 1.65 1.27 1.01 0.821
2.38 1.76 1.36 1.08 0.876
3.26 2.42 1.87 1.48 1.21
3.81 2.83 2.18 1.73 1.41
4.27 3.17 2.45 1.94 1.58
4.69 3.48 2.68 2.13 1.73
4.9 3.64 2.81 2.24 1.82
5.74 4.26 3.29 2.62 2.13
6.47 4.81 3.71 2.95 2.4
7.13 5.3 4.09 3.25 2.65
8.39 6.23 4.81 3.83 3.11
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
<>
for
6 7 8 9 10
9.68 7.22 5.58 4.45 3.63
11.3 8.42 6.52 5.19 4.24
12.8 9.57 7.4 5.9 4.81
14.4 10.7 8.29 6.61 5.39
17 12.7 9.8 7.81 6.37
19.3 14.4 11.2 8.95 7.31
22.8 17.1 13.3 10.6 8.65
26 19.5 15.1 12.1 9.87
29.1 21.8 16.9 13.5 11
35.2 26.4 20.5 16.3 13.3
36 27.1 21.1 16.9 13.8
41.3 31 24.2 19.3 15.8
46.5 34.9 27.2 21.8 17.8
56.3 42.3 32.9 26.3 21.5
74.4 56.5 44.3 35.7 29.3
85.7 65.1 51 41 33.7
96.7 73.5 57.6 46.3 38
118 89.7 70.3 56.5 46.4
137 104 81.8 65.7 54
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
<>
for
6 7 8 9 10
170 131 103 83.5 68.9
208 160 127 102 84.4
244 188 148 120 98.8
312 240 190 153 126
376 289 228 184 152
449 344 271 219 180
276 217 174 142 117
342 268 215 175 145
403 316 253 206 171
520 408 326 265 220
632 494 395 321 266
761 594 474 386 319
391 314 255 210 175
436 351 285 234 195
482 387 314 258 215
573 460 373 307 256
745 597 483 397 331
907 725 587 482 401
1100 878 710 582 485
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
<>
for
10 11 12 13 14
246 209 180 156 137
275 234 201 174 152
304 258 222 192 168
361 307 264 228 200
470 399 342 297 260
572 485 417 361 316
669 568 487 422 369
693 588 504 437 382
847 718 616 533 466
370 317 273 238 209
409 350 302 263 230
486 415 358 312 273
634 542 467 406 356
776 663 571 497 436
911 778 670 583 511
943 804 693 603 528
1160 993 855 743 651
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
for
10 11 12 13 14
435 376 327 286 252
494 426 370 323 285
546 471 409 357 315
649 559 485 424 373
849 731 634 554 488
1040 898 778 680 598
1230 1060 916 800 703
1270 1090 946 826 726
1570 1350 1170 1020 898
827 727 640 566 502
985 864 759 670 594
1310 1140 1010 888 787
1600 1400 1230 1090 963
1890 1660 1450 1280 1140
1960 1710 1500 1330 1170
2460 2150 1880 1660 1470
<>
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
for
10 11 12 13 14
999 892 795 709 634
1230 1090 970 863 770
1620 1430 1270 1130 1010
2000 1770 1570 1390 1240
2380 2110 1870 1660 1480
2450 2170 1920 1700 1520
3070 2710 2400 2130 1900
1590 1450 1310 1180 1070
2140 1940 1750 1580 1420
2660 2400 2170 1950 1760
3170 2870 2580 2320 2090
3270 2960 2660 2390 2150
4110 3710 3340 3000 2700
<>
for
10 11 12 13 14
2690 2480 2270 2080 1890
3320 3050 2800 2550 2330
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
Compression Resistance Pc (kN)
Varying effective lengths Le (m)
3960 3640 3330 3040 2770
4120 3790 3470 3170 2880
5200 4780 4370 3990 3630
3210 3000 2800 2590 2390
3990 3730 3470 3210 2960
4770 4450 4140 3820 3520
4970 4640 4310 3990 3670
6270 5850 5430 5020 4620