5/25/2018 03 HSFG Info for Bolts

1/8

ROCEXPOR

TORQUE VALUES SELECTION GUIDE

5/25/2018 03 HSFG Info for Bolts

2/8* Torque value based on 75% of proof load and finish a

NOTES:

Left hand side of - is minimum value

Right hand side of - is maximum value

Eg. 0.5 - 0.7 min. is 0.5 and max is 0.7

Eg. -0.8 max is 0.8 no minimum value

Eg. 2.0- min. is 2.0 no maximum value

While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. Please refer Original standards for details.

BOLT SIZE PITCH

STRESSAREA

MM2

BOLT/STUD/SCREW

BS 3692 Gr. 8.8

NUT

BS 3692 Gr.

PROOFSTRESS

N/MM2

PROOFLOAD

KN

TENSILESTRESS

N/MM2

TOUR-QUE*

N-m

HARD-NESS

HRC

ELONGA-

TION#

%

PROOFSTRESS

N/MM2

PROOFLOAD

KN

M6 1 20.1 580 11.7 800.0 9.4 22-32 12.0 800 16.1

M8 1.25 36.6 580 21.2 800.0 22.8 22-32 12.0 800 29.3

M10 1.5 58.8 580 34.1 800.0 45.8 22-32 12.0 800 47.0

M12 1.75 84.3 600 50.6 830.0 78.8 22-34 12.0 800 67.4

M14 2.0 115.0 600 69.0 830.0 125.4 22-34 12.0 800 92.0

M16 2.0 157.0 600 94.2 830.0 195.6 22-34 12.0 800 125.6

M18 2.5 192.0 600 115.2 830.0 278.4 23-34 12.0 800 153.6

M20 2.5 245.0 600 147.0 830.0 394.7 23-34 12.0 800 196.0

M22 2.5 303.0 600 181.8 830.0 536.9 23-34 12.0 800 242.4

M24 3.0 353.0 600 211.8 830.0 682.4 23-34 12.0 800 282.4 M27 3.0 459.0 600 275.4 830.0 998.3 23-34 12.0 800 367.2

M30 3.5 561.0 600 336.6 830.0 1,356 23-34 12.0 800 448.8

M33 3.5 694.0 600 416.4 830.0 1,845 23-34 12.0 800 555.2

M36 4.0 817.0 600 490.2 830.0 2,369 23-34 12.0 800 653.6

M39 4.0 976.0 600 585.6 830.0 3,066 23-34 12.0 800 780.8

M42 4.5 1,120.0 600 672.00 830.0 3,789 23-34 12.0 800 896.0

M45 4.5 1,310.0

M48 5.0 1,470.0

M52 5.0 1,760.0

M56 5.5 2,030.0

M60 5.5 2,360.0

M64 6.0 2,680.0

M68 6.0 3.060.0

M72 6.0 3,460.0

DIMENSIONS NORMAL HEX NORMAL HEX

MARKINGS RS M 8.8 RS 8.8

CARBON 0.25 - 0.55 -0.58

MANAGENESE -0.30

SULPHUR -0.035 -0.15

SILICON

CHROMIUM

MOLYDENUM

NICKLE

VANADIUM

BORON -0.003

PHOSPHOROUS -0.035 -0.06

MATERIAL Carbon steel quenched & tempered Medium Carbon Ste

PROPERTIES OF GRADE 8.8 BOLT & NUT

5/25/2018 03 HSFG Info for Bolts

3/8

ROCEXPOR

BOLT

SIZE PITCH

STRESS

AREA

MM2

BOLT/STUD/SCREW

BS 4395 l Gr. 8.8

NUT

BS 4395 l Gr.PROOF

STRESS

N/MM2

PROOF

LOAD

KN

TENSILE

STRESS

N/MM2

TOUR-

QUE*

N-m

HARD-

NESS

HRC

PROOF

STRESS

N/MM2

PROOF

LOAD

KN

M6 1 20.1

M8 1.25 36.6

M10 1.5 58.8

M12 1.75 84.3 587 49.5 827.0 79.7 25-34 1176 99.1

M14 2.0 115.0 587 66.5 827.0 126.9 25-34 1176 135.2

M16 2.0 157.0 587 92.2 827.0 198.0 25-34 1176 184.6

M18 2.5 192.0 587 112.7 827.0 272.3 25-34 1176 225.8M20 2.5 245.0 587 143.8 827.0 386.1 25-34 1176 288.1

M22 2.5 303.0 587 177.9 827.0 525.3 25-34 1176 356.3

M24 3.0 353.0 587 207.2 827.0 667.6 25-34 1176 415.1

M27 3.0 459.0 512 235.0 725.0 851.8 25-34 1176 539.8

M30 3.5 561.0 512 287.2 725.0 1,157 25-34 1176 659.7

M33 3.5 694.0 512 355.3 725.0 1,574 25-34 1176 816.1

M36 4.0 817.0 512 418.3 725.0 2,022 25-34 1176 960.8

M39 4.0 976.0

M42 4.5 1,120.0

M45 4.5 1,310.0

M48 5.0 1,470.0

M52 5.0 1,760.0

M56 5.5 2,030.0

M60 5.5 2,360.0

M64 6.0 2,680.0

M68 6.0 3.060.0

M72 6.0 3,460.0

Carbon 0.25 - 0.55 -0.58

Managenese -0.30

Sulphur -0.035 -0.15

SiliconChromium

Molybdenum

Nickle

Vanadium

Boron -0.003

Phosphorous -0.035 -0.06

Material Medium Carbon Steel Medium Carbon Steel or All

Notes:

Left hand side of - is minimum value

Right hand side of - is maximum value

Eg. 0.5 - 0.7 min. is 0.5 and max is 0.7

PROPERTIES OF HSFG PART I BOLT &

* Torque value based on 75% of proof load and finish as rec

5/25/2018 03 HSFG Info for Bolts

4/8

gE 0 8 i 0 8 i i l

* Torque value based on 75% of proof load and finish a

NOTES:

Left hand side of - is minimum value

Right hand side of - is maximum value

Eg. 0.5 - 0.7 min. is 0.5 and max is 0.7

Eg. -0.8 max is 0.8 no minimum value

Eg. 2.0- min. is 2.0 no maximum value

While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. Please refer Original standards for details.

PROPERTIES OF GRADE 8.8 BOLT & NUT (ISO)

BOLT

SIZE PITCH

STRESSAREA

MM2

BOLT/STUD/SCREW

ISO 898-1 Gr.8.8

NUT

ISO 898-2 Gr

PROOFSTRESS

N/MM2

PROOFLOAD

KN

TENSILESTRESS

N/MM2

TOUR-QUE*

N-m

HARD-NESS

HRC

ELONGA-

TION#

%

PROOFSTRESS

N/MM2

PROOFLOAD

KN

M6 1 20.1 580 11.7 800.0 9.4 22-32 12.0 855 17.2

M8 1.25 36.6 580 21.2 800.0 22.8 22-32 12.0 870 31.8

M10 1.5 58.8 580 34.1 800.0 45.8 22-32 12.0 880 51.7

M12 1.75 84.3 580 48.9 800.0 78.8 22-32 12.0 880 74.2

M14 2.0 115.0 580 66.7 800.0 125.4 22-32 12.0 880 101.2

M16 2.0 157.0 580 91.1 800.0 195.6 22-32 12.0 920 144.4

M18 2.5 192.0 600 115.2 830.0 278.4 23-34 12.0 920 176.6

M20 2.5 245.0 600 147.0 830.0 394.7 23-34 12.0 920 225.4

M22 2.5 303.0 600 181.8 830.0 536.9 23-34 12.0 920 278.8

M24 3.0 353.0 600 211.8 830.0 682.4 23-34 12.0 920 324.8

M27 3.0 459.0 600 275.4 830.0 998.3 23-34 12.0 920 422.3

M30 3.5 561.0 600 336.6 830.0 1,356 23-34 12.0 920 516.1

M33 3.5 694.0 600 416.4 830.0 1,845 23-34 12.0 920 638.5

M36 4.0 817.0 600 490.2 830.0 2,369 23-34 12.0 920 751.6

M39 4.0 976.0 600 585.6 830.0 3,066 23-34 12.0 920 897.9

M42 4.5 1,120.0 600 672.0 830.0 3,789 23-34 12.0 920 1,030.4

M45 4.5 1,310.0 600 786.0 830.0 4,748 23-34 12.0 920 1,205.2

M48 5.0 1,470.0 600 882.0 830.0 5,684 23-34 12.0 920 1,352.4

M52 5.0 1,760.0 600 1,056.0 830.0 7,732 23-34 12.0 920 1,619.2

M56 5.5 2,030.0 600 1,218.0 830.0 9,157 23-34 12.0 920 1,867.6

M60 5.5 2,360.0 600 1,416.0 830.0 11,406 23-34 12.0 920 2,171.2

M64 6.0 2,680.0 600 1,608.0 830.0 13,816 23-34 12.0 920 2,465.6

M68 6.0 3.060.0 600 1,836.0 830.0 16,761 23-34 12.0 920 2,815.2

M72 6.0 3,460.0 600 2,076.0 830.0 20,067 23-34 12.0 920 3,183.2

DIMENSIONS NORMAL HEX NORMAL HEX

MARKINGS RS M 8.8 RS 8.8

CARBON 0.25-0.55 -0.58

MANAGENESE -0.25

SULPHUR -0.035 -0.15

SILICON

CHROMIUM

MOLYDENUM

NICKLE

VANADIUM

BORON -0.003

PHOSPHOROUS -0.035 -0.06

MATERIAL Carbon steel quenched & tempered Medium Carbon Ste

5/25/2018 03 HSFG Info for Bolts

5/8

Metric Units is followed, if not available it has been converted to metric un

* Torque value based on 75% of proof load and finish a

Notes:

1. 8UN means less than 1 UNC thread and above 1 8 TPI thread

2. Left hand side of - is minium value right hand side of - is maximum value

Eg. 0.5-0.7 min is 0.5 and max is 0.7

Eg. -0.8 max is 0.8 no minimam value

Eg. 2.0- min is 2.0 no maximam value

While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. Please refer Original standards for details.

NOMINALDIAMETER PITCH in TPI stress area in mm2

BOLT, SCREW & STUD

ASTM A325-1

HEAVY HEX NU

ASTM A563 DH

SIZE UNC UNF 8UN UNC UNF 8UN

ProofStress

N/mm

Proof

LoadUNC

KN

TensileStress

N/mm

Tour-que*

N m

Hard-ness

HRC

ELONGA-

TION#

%

ProofStress

N/mm

ProofLoad

UNC

1/4 20 28 20.5 23.5 586 12.0 827 10.3 25-34 14.0 1206 24.8

5/16 18 24 33.8 37.5 586 19.8 827 21.1 25-34 14.0 1206 40.8

3/8 16 24 50.0 56.7 586 29.3 827 37.5 25-34 14.0 1206 60.3

7/16 14 20 68.6 76.6 586 40.2 827 60 25-34 14.0 1206 82.7

1/2 13 20 91.5 103 91.5 586 53.6 827 91.5 25-34 14.0 1206 110.4

9/16 12 18 117 131 117 586 68.8 827 131.9 25-34 14.0 1206 141.6

5/8 11 18 146 165 146 586 85.4 827 182.1 25-34 14.0 1206 175.8

3/4 10 16 216 241 216 586 126.4 827 323.4 25-34 14.0 1206 260.2

7/8 9 14 298 329 298 586 174.6 827 520.9 25-34 14.0 1206 359.3

1 8 12 8 391 428 391 586 229.0 827 780.9 25-34 14.0 1206 471.3

1 1/16 8 448 510 - 724 - 19-30 14.0 1206 -

1 1/8 7 12 8 492 552 510 510 251.1 724 963.4 19-30 14.0 1206 593.9

1 3/16 8 575 510 - 724 - 19-30 14.0 1206 -

1 1/4 7 12 8 625 692 645 510 318.9 724 1,359 19-30 14.0 1206 754.0

1 5/16 8 718 510 - 724 - 19-30 14.0 1206 -

1 3/8 6 12 8 745 848 796 510 380.0 724 1,782 19-30 14.0 1206 898.6

1 7/16 8 877 510 - 724 - 19-30 14.0 1206 -

1 1/2 6 12 8 907 1,020 962 510 462.4 724 2,365 19-30 14.0 1206 1,093

1 9/16 8 1,052

1 5/8 8 1,145

1 11/16 8 1,242

1 3/4 5 8 1,225 1,343

1 7/8 8 1,557

2 4 1/2 8 1,612 1,788

2 1/4 4 1/2 8 2,095 2,295

2 1/2 4 8 2,580 2,866

2 3/4 8 3,819

3 8 4,198

3 1/4 8 4,959

DIMENSION HEAVY HEX HEAVY HEX

MARKING RS A325 8S RS DH

CARBON 0.03-0.52 0.18-0.58

MANAGENESE -0.6 0.57-

SULPHUR -0.05 -0.058

SILICON 0.15-0.30

CHROMIUM

MOLYBDENUM

NICKLE

VANADIUM

PHOPHORUS -0.48

MATERIAL Plain Carbon / Alloy Steel

PROPERTIES OF STRUCTURAL BOLT & NUTAS PER A325

* Alternative ASTM A194 # Elongation in length of 4

5/25/2018 03 HSFG Info for Bolts

6/8* Torque value based on 75% of proof load and finish a

NOTES:

Left hand side of - is minimum value

Right hand side of - is maximum value

Eg. 0.5 - 0.7 min. is 0.5 and max is 0.7

Eg. -0.8 max is 0.8 no minimum value

Eg. 2.0- min. is 2.0 no maximum value

While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. Please refer Original standards for details.

* Equivalent to A

BOLT SIZE PITCH

STRESS

AREA

MM2

BOLT/STUD/SCREW

ASTM A325M-l

NUT

ASTM A563M CL

PROOF

STRESS

N/MM2

PROOF

LOAD

KN

TENSILE

STRESS

N/MM2

TOUR-

QUE*

N-m

HARD-

NESS

HRC

ELONGA-

TION#

%

PROOF

STRESS

N/MM2

PROOF LOAD

KN

PLAIN HDG PLAIN HDG

M6 1 20.1

M8 1.25 36.6

M10 1.5 58.8

M12 1.75 84.3 600 50.6 830.0 81.5 25-34 14.0 1245 1165 105 98

M14 2.0 115.0 600 69.0 830.0 129.7 25-34 14.0 1245 1165 143 134

M16 2.0 157.0 600 94.2 830.0 202.3 25-34 14.0 1245 1165 195 183

M18 2.5 192.0 600 115.2 830.0 278.4 25-34 14.0 1245 1165 239 224

M20 2.5 245.0 600 147.0 830.0 394.7 25-34 14.0 1245 1165 305 285 M22 2.5 303.0 600 181.8 830.0 536.9 25-34 14.0 1245 1165 377 353

M24 3.0 353.0 600 211.8 830.0 682.4 25-34 14.0 1245 1165 439 411

M27 3.0 459.0 600 275.4 830.0 998.3 19-30 14.0 1245 1165 571 535

M30 3.5 561.0 600 336.6 830.0 1,356 19-30 14.0 1245 1165 698 654

M33 3.5 694.0 600 416.4 830.0 1,845 19-30 14.0 1245 1165 864 809

M36 4.0 817.0 600 490.2 830.0 2,369 19-30 14.0 1245 1165 1,017 952

M39 4.0 976.0

M42 4.5 1,120.0

M45 4.5 1,310.0

M48 5.0 1,470.0

M52 5.0 1,760.0

M56 5.5 2,030.0M60 5.5 2,360.0

M64 6.0 2,680.0

M68 6.0 3.060.0

M72 6.0 3,460.0

DIMENSIONS HEAVY HEX (HSFG) HEAVY HEX (HSFG

MARKINGS RS A325M 8S RS 10S

CARBON 0.28 - 0.55 0.18 -0.58

MANAGENESE 0.57- 0.57-

SULPHUR -0.045 -0.058

SILICON 0.13-0.37

CHROMIUM -3.99

MOLYDENUM

NICKLE

VANADIUM

BORON

PHOSPHOROUS -0.048 -0.048

MATERIAL Medium Carbon or Alloy Steel Medium Carbon or Alloy

PROPERTIES OF STRUCTURAL BOLT & NUTAS PER A325M

# Elongation in length of 4

5/25/2018 03 HSFG Info for Bolts

7/8* Torque value based on 75% of proof load and finish a

NOTES:

Left hand side of - is minimum value

Right hand side of - is maximum value

Eg. 0.5 - 0.7 min. is 0.5 and max is 0.7

Eg. -0.8 max is 0.8 no minimum value

Eg. 2.0- min. is 2.0 no maximum value

While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. Please refer Original standards for details.

* Equivalent to A

BOLT

SIZE PITCH

STRESS

AREA

MM2

BOLT/STUD/SCREW

ASTM A490-1

NUT

ASTM A563M C

PROOF

STRESS

N/MM2

PROOF

LOAD

KN

TENSILE

STRESS N/

MM2

TOUR-

QUE*

N-m

HARD-

NESS

HRC

ELONGA-

TION#

%

PROOF

STRESS

N/MM2

PROOF

LOAD

KN

PLAIN HDG PLAIN HDG

M6 1 20.1

M8 1.25 36.6

M10 1.5 58.8

M12 1.75 84.3 830 70.0 1040-1200 112.7 33-39 14.0 1245 1165 105 98

M14 2.0 115.0 830 95.5 1040-1200 179.4 33-39 14.0 1245 1165 143 134

M16 2.0 157.0 830 130.3 1040-1200 279.9 33-39 14.0 1245 1165 195 183

M18 2.5 192.0 830 159.4 1040-1200 385.1 33-39 14.0 1245 1165 239 224

M20 2.5 245.0 830 203.4 1040-1200 546.0 33-39 14.0 1245 1165 305 285

M22 2.5 303.0 830 251.5 1040-1200 742.8 33-39 14.0 1245 1165 377 353

M24 3.0 353.0 830 293.0 1040-1200 944.0 33-39 14.0 1245 1165 439 411

M27 3.0 459.0 830 381.0 1040-1200 1,381 33-39 14.0 1245 1165 571 535

M30 3.5 561.0 830 465.6 1040-1200 1,875 33-39 14.0 1245 1165 698 654

M33 3.5 694.0 830 576.0 1040-1200 2,552 33-39 14.0 1245 1165 864 809

M36 4.0 817.0 830 678.1 1040-1200 3,277 33-39 14.0 1245 1165 1,017 952

M39 4.0 976.0

M42 4.5 1,120.0

M45 4.5 1,310.0

M48 5.0 1,470.0

M52 5.0 1,760.0

M56 5.5 2,030.0

M60 5.5 2,360.0

M64 6.0 2,680.0

M68 6.0 3.060.0

M72 6.0 3,460.0

DIMENSIONS HEAVY HEX (HSFG) HEAVY HEX (HSFG

MARKINGS RS A490M 10S RS 10S

CARBON 0.28 - 0.5 0.18 -0.58

MANAGENESE 1.65- 0.57-

SULPHUR -0.045 -0.058

SILICON 0.6-

CHROMIUM -3.99

MOLYDENUM

NICKLE

VANADIUM

BORON

PHOSPHOROUS -0.045 -0.048

MATERIAL Alloy Steel Medium Carbon or Allo

PROPERTIES OF STRUCTURAL BOLT & NUTAS PER A490

# Elongation in 50

5/25/2018 03 HSFG Info for Bolts

8/8* Torque value based on 75% of proof load and finish a

NOTES:

Left hand side of - is minimum value

Right hand side of - is maximum value

Eg. 0.5 - 0.7 min. is 0.5 and max is 0.7

Eg. -0.8 max is 0.8 no minimum value

Eg. 2.0- min. is 2.0 no maximum value

While every care has been taken in preparation of the information,the company accepts no liability for any loss or damage either direct or consequential. Please refer Original standards for details.

BOLT

SIZE PITCH

STRESSAREA

MM2

BOLT/STUD/SCREW

ISO 898-1 Gr. 10.9

NUT

ISO 898-2 Gr.

PROOFSTRESS

N/MM2

PROOFLOAD

KN

TENSILESTRESS

N/MM2

TOUR-QUE*

N-m

HARD-NESS

HRC

ELONGA-

TION#

%

PROOFSTRESS

N/MM2

PROOFLOAD

KN

M6 1 20.1 830 16.7 1,040.0 13.4 32-39 9.0 1050 20.9

M8 1.25 36.6 830 30.4 1,040.0 32.6 32-39 9.0 1060 38.1

M10 1.5 58.8 830 48.8 1,040.0 65.5 32-39 9.0 1060 61.7

M12 1.75 84.3 830 70.0 1,040.0 112.7 32-39 9.0 1050 88.5

M14 2.0 115.0 830 95.5 1,040.0 179.4 32-39 9.0 1050 120.8

M16 2.0 157.0 830 130.3 1,040.0 279.9 32-39 9.0 1060 166.4

M18 2.5 192.0 830 159.4 1,040.0 385.1 32-39 9.0 1060 203.5

M20 2.5 245.0 830 203.4 1,040.0 546.0 32-39 9.0 1060 259.7

M22 2.5 303.0 830 251.5 1,040.0 742.8 32-39 9.0 1060 321.2

M24 3.0 353.0 830 293.0 1,040.0 944.0 32-39 9.0 1060 374.2 M27 3.0 459.0 830 381.0 1,040.0 1,381 32-39 9.0 1060 486.5

M30 3.5 561.0 830 465.6 1,040.0 1,875 32-39 9.0 1060 594.7

M33 3.5 694.0 830 576.0 1,040.0 2,552 32-39 9.0 1060 735.6

M36 4.0 817.0 830 678.1 1,040.0 3,277 32-39 9.0 1060 866.0

M39 4.0 976.0 830 810.1 1,040.0 4,241 32-39 9.0 1060 1,034.6

M42 4.5 1,120.0 830 929.6 1,040.0 5,242 32-39 9.0 1060 1,187.2

M45 4.5 1,310.0

M48 5.0 1,470.0

M52 5.0 1,760.0

M56 5.5 2,030.0

M60 5.5 2,360.0

M64 6.0 2,680.0

M68 6.0 3.060.0

M72 6.0 3,460.0

DIMENSIONS NORMAL HEX NORMAL HEX

MARKINGS RS M 10.9 RS 10

CARBON 0.15-0.35 -0.58

MANAGENESE 0.7- V0.30-

SULPHUR -0.035 -0.058

SILICON

CHROMIUM

MOLYDENUM

NICKLE

VANADIUM

BORON -0.003

PHOSPHOROUS -0.035 -0.046

MATERIAL Carbon with add Eg B, Mn or Cr Quenched & tempered Medium Carbon or Alloy

PROPERTIES OF GRADE 10.9 BOLT & NUT (ISO)