steel chemistry

Grade Size % C %Mn %Si %P % S % Cr %Ni %CuR-30A Upto-12mm 0.30-0.34 0.50-0.60 0.10-0.25 0.015 0.01 0.1 0.1 0.1R-30B Upto-12mm 0.30-0.34 0.60-0.90 0.60-0.90 0.025 0.025 0.08 0.1 0.1R-35A 5.00-7.00 0.30-0.34 0.50-0.60 0.10-0.25 0.015 0.01 0.1 0.1 0.1R-35 Upto-12mm 0.35-0.39 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1

R35AV Upto-12mm 0.35-0.39 0.50-0.60 0.10-0.25 0.02 0.015 0.08 0.05 0.05R35BV 5.00-7.00 0.35-0.39 0.60-0.90 0.15-0.30 0.02 0.015 0.08 0.05 0.05R-35B Upto-12mm 0.35-0.49 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1

SWRCH40K 5.00-7.00 0.40-0.43 0.30-0.55 0.12-0.32 0.02 0.025 0.05 0.05 0.1SWRH42A 5.00-7.00 0.40-0.43 0.30-0.55 0.15-0.30 0.02 0.02 0.03 0.03 0.03

R-40 Upto-12mm 0.40-0.44 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1R-40A Upto-12mm 0.40-0.44 0.50-0.60 0.10-0.25 0.02 0.02 0.08 0.1 0.1

R-40AV Upto-12mm 0.40-0.44 0.50-0.60 0.10-0.25 0.02 0.015 0.08 0.05 0.05R40B Upto-12mm 0.40-0.44 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1

R40BV Upto-12mm 0.40-0.44 0.60-0.90 0.15-0.30 0.02 0.015 0.08 0.05 0.05SWRH42B 5.00-7.00 0.40-0.44 0.70-0.80 0.15-0.30 0.02 0.02 0.05 0.05 0.05SWRS42A 5.00-7.00 0.40-0.44 0.30-0.55 0.12-0.32 0.02 0.02 0.03 0.03 0.03

R-45 Upto-12mm 0.45-0.49 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1R45A Upto-12mm 0.45-0.49 0.50-0.60 0.10-0.25 0.02 0.02 0.08 0.1 0.1

R45AV Upto-12mm 0.45-0.49 0.50-0.60 0.10-0.25 0.02 0.15 0.08 0.05 0.05R45B Upto-12mm 0.45-0.49 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1R-50 Upto-12mm 0.50-0.54 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1

R-50A Upto-12mm 0.50-0.54 0.50-0.60 0.10-0.25 0.02 0.02 0.08 0.1 0.1R50AV Upto-12mm 0.50-0.54 0.50-0.60 0.10-0.25 0.02 0.01 0.08 0.05 0.05R50B Upto-12mm 0.50-0.54 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1

R50BV Upto-12mm 0.50-0.54 0.60-0.90 0.15-0.30 0.02 0.015 0.08 0.05 0.05swrh42b Upto-12mm 0.50-0.54 0.60-0.80 0.15-0.30 0.02 0.02 0.1 0.1 0.005

SWRH52A 5.00-7.00 0.50-0.54 0.50-0.55 0.15-0.25 0.025 0.025 0.05 0.05 0.05SWRH52AV 5.00-7.00 0.50-0.54 0.50-0.55 0.15-0.25 0.02 0.02 0.08 0.1 0.1SWRH52B Upto-12mm 0.50-0.54 0.60-0.80 0.15-0.30 0.02 0.02 0.1 0.1 0.1C52D2 Upto25.4mm 0.51-0.53 0.50-0.55 0.15-0.20 0.015 0.006 0.05 0.05 0.05

R-55 Upto-12mm 0.55-0.59 0.60-0.90 0.15-030 0.02 0.02 0.08 0.1 0.1R-55A Upto-12mm 0.55-0.59 0.50-0.60 0.10-0.25 0.02 0.02 0.08 0.1 0.1R55AV Upto-12mm 0.55-0.59 0.50-0.60 0.10-0.25 0.02 0.015 0.08 0.05 0.05R55B Upto-12mm 0.55-0.59 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1

R55BV Upto-12mm 0.55-0.59 0.50-0.60 0.15-0.30 0.02 0.015 0.08 0.05 0.01SWRH57A 5.00-7.00 0.55-0.59 0.60-0.80 0.15-0.30 0.02 0.02 0.1 0.1 0.1SWRH57B 5.00-7.00 0.55-0.59 0.60-0.80 0.15-0.30 0.02 0.02 0.1 0.1 0.1R60AAV Upto-12mm 0.60-0.63 0.50-0.60 0.10-0.25 0.02 0.015 0.08 0.05 0.05

R-60 Upto-12mm 0.60-0.64 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1R60A 5.00-7.00 0.60-0.64 0.50-0.60 0.10-0.25 0.02 0.02 0.08 0.1 0.1R60A Upto-12mm 0.60-0.64 0.50-0.60 0.10-0.25 0.02 0.02 0.08 0.1 0.1

R-60AV Upto-12mm 0.60-0.64 0.50-0.60 0.10-0.25 0.02 0.015 0.08 0.05 0.05R60B Upto-12mm 0.60-0.64 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1

R60BV Upto-12mm 0.60-0.64 0.60-0.90 0.15-0.30 0.02 0.02 0.08 0.1 0.1SWRH62A 5.00-7.00 0.60-0.64 0.50-0.55 0.15-0.25 0.02 0.02 0.05 0.05 0.05SWRS62 5.00-7.00 0.60-0.64 0.60-0.90 0.15-0.30 0.02 0.02 0.05 0.05 0.05

R70B Upto-12mm 0.60-0.90 0.15-0.30 0.15-0.30 0.02 0.02 0.08 0.1 0.1SWRH62B Upto-12mm 0.61-0.64 0.60-0.80 0.15-0.30 0.02 0.02 0.05 0.05 0.05

%Mo % B %Al %V0.005 0.0005 0.008 0.0050.02 0.0005 0.008 0.005

0.005 0.0005 0.005 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.015-0.02 0.0050.005 0.0005 0.015-0.025 0.0050.005 0.0005 0.0015 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.005

0.0005 0.0005 0.01 0.0050.005 0.0005 0.003 0.0050.02 nil 0.01 nil0.1 0.0005 0.003 0.005

0.005 0.0005 0.003 0.0050.005 0.0005 0.01 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.003 0.0050.005 0.005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.005 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.002 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.008 0.0050.005 0.0005 0.003 0.0050.005 0.0005 0.003 0.005

Alloy SteelGrade Size % C %Mn %Si %P % S % Cr %Ni

EN353 Upto25.4m0.10-0.20 0.50-1.0 .10-0.35 0.03 0.03 .75-1.2 1.0-1.5EN353(M) Upto25.4m0.10-0.20 0.50-1.0 0.10-0.35 0.03 0.03 0.75-1.2 1.0-1.515Cr3 Upto25.4m0.12-0.18 0.40-0.60 0.10-0.35 0.03 0.02-0.03 0.50-0.80 0.05SCM415 Upto25.4m0.12-0.18 0.55-0.90 0.15-0.35 0.03 0.03 0.03 0.85-1.2516MnCr5 Upto25.4m0.14-0.19 1.0-1.3 0.15-0.35 0.03 0.015 0.8-1.1 0.127C15 Upto15.00 0.15-0.30 1.4-1.8 0.10-0.25 0.03 0.03 0.15-0.25 0.10-0.15SCM415H Upto25.4m0.16-0.18 0.80-0.90 0.20-0.35 0.02 0.015-0.025 10.0-1.2 0.10-0.15UMCHI Upto25.4m0.17-0.19 0.40-0.45 0.45-0.50 0.02 0.015 0.45-0.50 0.05SAE8620H Upto25.4m0.17-0.23 0.70-0.90 0.20-0.35 0.03 0.03 0.040-0.60 0.40-0.7020MnCr5 Upto25.4m0.18-0.21 1.15-1.35 0.15-0.35 0.03 0.03 1.1-1.2 0.1SAE8620 Upto25.4m0.18-0.23 0.70-0.90 0.20-0.30 0.03 0.03 0.10-0.60 0.40-0.70SAE8620M Upto25.4m0.18-0.23 1.1-1.4 0.15-0.25 0.03 0.03 0.40-0.60 0.40-0.70SCM420 Upto25.4m0.18-0.23 0.60-0.85 0.15-0.35 0.03 0.03 0.90-1.20 0.100SCM420H Upto25.4m0.18-0.23 0.60-0.85 0.15-0.35 0.03 0.03 0.90-1.2 0.100SCM420 Upto25.4m0.18-0.23 0.60-0.85 0.15-0.35 0.03 0.03 0.90-1.2 0.100SAE8622 Upto25.4m0.20-0.25 0.70-0.90 0.15-0.30 0.03 0.03 0.40-0.60 0.40-0.70SAE8622M Upto25.4m0.20-0.25 1.1-1.4 0.15-0.25 0.02 0.02 0.40-0.60 0.40-0.7027C15 Upto25.4m0.28-0.30 1.7-1.8 0.20-0.35 0.02 0.02 0.25-0.30 0.10-0.1534Cr4 Upto25.4m0.30-0.37 0.60-.90 0.10-0.40 0.03 0.02-0.03 0.90-1.2 0.1EN15B Upto25.4m0.32-0.40 1.0-1.4 0.10-0.40 0.03 0.03 0.1 0.1SAE4135 Upto25.4m0.33-0.37 0.70-0.85 0.15-0.30 0.025 0.025 0.90-1.10 0.1SAE4135M Upto25.4m0.33-0.37 0.70-0.85 0.15-0.30 0.025 0.025 0.90-1.10 0.1SCM435 Upto25.4m0.33-0.38 0.60-0.85 0.15-0.35 0.03 0.03 0.90-1.2 0.100SCM435H Upto25.4m0.33-0.38 0.60-0.85 0.15-0.35 0.03 0.01-0.03 0.85-1.25 0.10038S17 Upto25.4m0.35-0.42 0.50-0.80 1.5-1.8 0.04 0.04 0.1 0.138CRSI6 Upto25.4m0.35-0.43 0.30-0.60 1.0-1.3 0.03 0.03 1.3-1.6 0.1EN18 Upto25.4m0.35-0.45 0.60-0.95 0.10-0.35 0.03 0.03 0.85-1.15 0.1EN19 Upto25.4m0.35-0.45 0.50-0.80 0.10-0.35 0.03 0.015-0.04 0.90-1.5 0.1EN24 Upto25.4m0.35-0.45 0.45-0.70 0.10-0.25 0.02 0.02 1.0-1.4 1.3-1.8SAE4140H Upto25.4m0.37-0.44 0.65-1.1 0.15-0.35 0.03 0.03 0.75-1.2 0.05SAE4037 Upto25.4m0.38-0.40 0.85-0.90 0.20-0.30 0.03 0.03 0.2 0.2542Cr4Mo2 Upto25.4m0.38-0.42 0.60-0.80 0.10-0.35 0.03 0.03 0.90-1.2 0.05EN18D Upto25.4m0.38-0.43 0.60-0.80 0.10-0.35 0.03 0.03 0.90-1.2 0.1SAE4140 Upto25.4m0.38-0.43 0.75-1.0 0.15-0.35 0.03 0.03 0.80-1.1 0.05SCM440 Upto25.4m0.38-0.43 0.60-0.85 0.15-0.35 0.03 0.03 0.90-1.2 0.1SCM440H Upto25.4m0.38-0.43 0.60-0.85 0.15-0.35 0.03 0.03 0.90-1.2 0.05SCR440 Upto25.4m0.38-0.43 0.60-0.85 0.15-0.35 0.03 0.03 0.90-1.20 0.05EN19C Upto25.4m0.40-045 0.75-1.0 0.10-0.35 0.03 0.03 0.90-1.2 0.150CrV4 Upto25.4m0.47-0.55 0.70-1.00 0.15-0.35 0.03 0.03 0.90-1.2 0.151SI7 Upto25.4m0.47-0.55 0.50-0.80 1.5-0.20 0.04 0.04 0.1 0.1File steel Upto25.4m1.25-1.30 0.20-0.40 0.05 0.03 0.03 0.50-0.70 0.1

%Cu %Mo % B %Al %PB %V %Ti %CA0.10 0.08-0.15 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.30-0.40 0.0005 0.02-0.03 nil 0.010 0.002 0.0030.05 0.005 0.0005 0.02-0.04 0.00500 0.050 0.002 0.0020.05 0.15-0.35 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.005 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.05 0.005 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.18-0.25 0.0005 0.02-0.04 0.00500 0.005 0.002 0.00250.05 0.21-0.23 nil 0.02-0.03 nil nil 0.01-0.015 0.0010.10 0.15-0.25 0.0005 0.02-0.03 0.00500 0.002 0.002 0.0030.10 0.005 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.15-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0020.10 0.15-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.15-0.30 0.0005 0.02-0.03 0.00500 0.005 0.0025 0.00250.10 0.15-0.35 0.0005 0.02-0.04 0.00500 0.005 0.002 0.0030.10 0.15-0.30 0.0005 0.02-0.03 0.00500 0.005 0.002 0.00250.10 0.15-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.15-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.05 0.005 0.0005 0.02-0.04 0.00500 0.005 0.002 0.0030.10 0.005 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.01 0.0005 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.15-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0020.10 0.15-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0020.10 0.15-0.30 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0010.05 0.15-0.35 0.0005 0.015-0.02 0.00500 0.005 0.002 0.00150.10 0.005 0.0005 0.003 0.00500 0.005 0.002 0.0030.10 0.005 0.0005 0.003 0.00500 0.005 0.002 0.0030.10 0.005 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.2-0.4 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.20-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0020.05 0.15-0.25 0.0005 0.015-0.02 0.00500 0.005 0.002 0.0010.05 0.28-0.30 0.0005 0.015-0.02 0.00500 0.005 0.002 0.0020.05 0.15-0.30 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.005 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.05 0.15-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0020.10 0.15-0.30 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.05 0.15-0.30 0.0005 0.015-0.02 0.00500 0.005 0.002 0.00250.05 0.00500 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.20-0.25 0.0005 0.02-0.03 0.00500 0.005 0.002 0.0030.10 0.005 0.0005 0.003 0.00500 0.10-0.20 0.002 0.0030.10 0.005 0.0005 0.003 0.00500 0.005 0.002 0.0030.10 0.005 0.0005 0.003 0.00500 0.005 0.002 0.003

Free-CuttingGrade Size % C %Mn %Si %P % S % Cr %Ni

9SMN28 Upto25.4mm 0.10- 0.90-1.3 0.05 0.07 0.27-0.33 0.1 0.1AISI1215 Upto25.4mm 0.08 0.80-1.5 0.1 0.04-0.09 0.26-0.30 0.05 0.05EN15AM Upto25.4mm 0.32-0.40 1.3-1.7 0.25 0.06 0.12-0.20 0.1 0.1

EN1A Upto25.4mm 0.1 0.90-1.3 0.03 0.07 0.20-0.30 0.05 0.05EN8M Upto25.4mm 0.35-0.40 1.0-1.3 0.25 0.03 0.12-0.20 0.1 0.1ETG88 Upto25.4mm 0.40-0.45 1.35-1.65 0.10-0.30 0.04 0.24-0.33 0.15-0.20 0.1

SAE1117 Upto25.4mm 0.14-0.20 1.0-1.3 0.10-0.20 0.04 0.08-0.13 0.05 0.05SAE1144 Upto25.4mm 0.40-0.45 1.35-1.65 0.15-0.35 0.04 0.24-0.33 0.15-0.20 0.1SAE1146 Upto25.4mm 0.45-0.49 0.70-1.0 0.2 0.04 0.08-0.13 0.1 0.1SAE1215 Upto25.4mm 0.45-0.49 0.70-1.0 0.2 0.04 0.08-0.13 0.1 0.1SSE-30 Upto25.4mm 0.25-0.35 0.90-1.4 0.25 0.06 0.12-0.20 0.1 0.1

%Cu %Mo % B %Al %PB %V %Ti %CA0.1 0.005 0.0005 0.005 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.005 0.005 0.005 0.002 0.0010.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.005 0.005 0.005 0.002 0.0010.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.006 0.005 0.005 0.002 0.0006

0.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0020.1 0.005 0.0005 0.006 0.005 0.005 0.002 0.00060.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.01 0.005 0.005 0.002 0.0006

Spring SteelGrade Size % C %Mn %Si %P % S % Cr %Ni50CrV4 Upto25.4mm 0.47-0.55 0.70-1.00 0.15-0.35 0.03 0.03 0.90-1.2 0.151SI7 Upto25.4mm 0.47-0.55 0.50-0.80 1.5-0.20 0.04 0.04 0.1 0.1

38CRS16 Upto25.4mm 0.35-0.43 0.30-0.60 1.0-1.3 0.03 0.03 1.3-1.6 0.155SICR63 Upto25.4mm 0.51-0.59 0.60-0.80 1.35-1.60 0.025 0.02 0.60-0.80 nil

70KD Upto25.4mm 0.51-0.58 0.60-0.80 1.35-1.60 0.025 0.02 0.60-0.75 0.15EN45A Upto25.4mm 0.55-0.62 0.85-0.95 1.75-1.85 0.03 0.03 0.1 0.1

SAE9254 Upto25.4mm 0.55-0.59 0.70-0.80 1.3-1.6 0.02 0.02 0.70-0.80 0.1SRS60 Upto25.4mm 0.58-0.63 0.35-0.60 1.35-1.60 0.03 0.03 0.40-0.70 0.1

SUP11A Upto25.4mm 0.60-0.64 0.85-0.95 0.20-0.30 0.03 0.03 0.85-0.95 0.1SUP12 Upto25.4mm 0.51-0.59 0.60-0.90 1.2-1.6 0.03 0.03 0.60-0.90 0.1

SUP12V Upto25.4mm 0.55-0.60 0.58-0.65 1.35-1.60 0.02 0.02 0.50-0.70 0.1SUP12V(M) Upto25.4mm 0.55-0.59 0.60-0.80 1.4-1.6 0.03 0.03 0.60-0.80 0.05

SUP7C Upto25.4mm 0.58-0.59 0.80-1.0 1.9-2.2 0.03 0.03 0.10-0.20 0.1SUP7N Upto25.4mm 0.58-0.63 0.80-1.0 1.9-2.2 0.03 0.03 0.10-0.20 0.1

SUP7NV Upto25.4mm 0.55-0.65 0.70-1.00 1.9-2.2 0.03 0.03 0.1 0.1SUP9 Upto25.4mm 0.52-0.60 0.65-0.95 0.15-0.30 0.02 0.02 0.65-0.95 0.1

SUP9A Upto25.4mm 0.60-0.64 0.85-0.95 0.20-0.30 0.03 0.03 0.85-0.95 0.1

%Cu %Mo % B %Al %PB %V %Ti %CA %N0.10 0.005 0.0005 0.003 0.00500 0.10-0.20 0.002 0.003 0.005-0.0070.10 0.005 0.0005 0.003 0.00500 0.005 0.002 0.003 0.005-0.0070.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.003 0.005-0.007nil nil nil nil nil nil nil nil nil

0.06 0.005 0.0005 0.003 0.005 0.005 0.003 0.0006 0.005-0.0070.1 0.005 0.0005 0.006 0.005 0.005 0.003 0.001 0.005-0.0070.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.003 0.005-0.0070.1 0.005 0.0005 0.005 0.005 0.15-0.25 0.002 0.003 0.005-0.0070.1 0.005 0.0015-0.0025 0.003 0.005 0.005 0.002 0.003 0.005-0.0070.3 0.005 0.0005 0.006 0.005 0.005 0.002 0.0006 0.005-0.0070.1 0.005 0.0005 0.017-0.02 0.005 0.15-0.25 0.002 0.001 0.005-0.007

0.05 0.005 0.0005 0.003 0.005 0.18-0.25 0.002 0.003 0.005-0.0070.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.002 0.005-0.0070.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.002 0.005-0.0070.1 0.005 0.0005 0.003 0.005 0.17-0.25 0.02-0.03 0.001 0.005-0.0060.1 0.005 0.0005 0.01 0.005 0.002 0.002 0.003 0.005-0.007

0.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.003 0.005-0.007

Low carbonGrade Size(mm) % C %Mn %Si %P % S % Cr %Ni

AISI1022 Upto25.4mm 0.19-0.24 0.60-0.90 0.1 0.04 0.04 0.05 0.05ASTMA36 Upto25.4mm 0.15-0.20 0.60-0.90 0.4 0.04 0.05 0.05 0.1B04 Upto25.4mm 0.06 0.3 0.1 0.025 0.02 0.01 0.01C1008 Upto25.4mm 0.05-0.08 0.25-0.40 0.04 0.02 0.02 0.05 0.05KAL14 Upto25.4mm 0.11-0.14 0.30-0.50 0.1 0.02 0.025 0.05 0.05KAL18 Upto25.4mm 0.13-0.17 0.35-0.60 0.1 0.02 0.02 0.05 0.05KOCF Upto25.4mm 0.09-0.11 0.30-0.40 0.1 0.02 0.02 0.05 0.05SAE1006 Upto25.4mm 0.06 0.30-0.40 0.1 0.03 0.03 0.1 0.1SAE1006(M) Upto25.4mm 0.06 0.3 0.1 0.02 0.025 0.01 0.01SAE1008 Upto25.4mm 0.08 0.30-0.50 0.1 0.02 0.02 0.1 0.1SAE1010 Upto25.4mm 0.08-0.12 0.30-0.50 0.1 0.025 0.025 0.1 0.1SAE1015 Upto25.4mm 0.13-0.18 0.30-0.60 0.1 0.02 0.02 0.05 0.05SAE1018 Upto25.4mm 0.15-0.20 0.60-0.90 0.1 0.025 0.025 0.1 0.1SAE1020 Upto25.4mm 0.18-0.23 0.30-0.60 0.15-0.30 0.03 0.03 0.1 0.1SAE1021 Upto25.4mm 0.18-0.21 0.70-0.80 0.15-0.25 0.02 0.02 0.1 0.1ST523 Upto25.4mm 0.18-0.20 0.70-0.90 0.15-0.25 0.02 0.02 0.05 0.05SWRCH Upto25.4mm 0.15-0.20 0.60-0.90 0.05-0.10 0.02 0.02 0.1 0.1SWRCH12A Upto25.4mm 0.10-0.15 0.30-0.60 0.1 0.03 0.03 0.1 0.1SWRCH16A Upto25.4mm 0.13-0.18 0.60-0.90 0.05-0.10 0.03 0.03 0.05 0.05SWRCH18A Upto25.4mm 0.15-0.20 0.60-0.90 0.1 0.02 0.02 0.05 0.05SWRCH22A Upto25.4mm 0.20-0.23 0.75-0.85 0.1 0.02 0.01 0.1 0.1SWRCH25A Upto25.4mm 0.22-0.28 0.30-0.60 0.10-0.35 0.03 0.03 0.05 0.05SWRCH6A Upto25.4mm 0.06 0.30-0.40 0.1 0.03 0.03 0.1 0.1SWRCH8A Upto25.4mm 0.1 0.6 0.1 0.03 0.03 0.05 0.05Lead Grade9SMNPB28 Upto25.4mm 0.06-0.09 1.05-1.15 0.03 0.04-0.05 0.27-0.33 0.1 0.1AISI12L14 Upto25.4mm 0.06-0.09 1.05-1.15 0.03 0.04-0.05 0.26-0.30 0.05 0.05SUM24L Upto25.4mm 0.06-0.09 1.05-1.15 0.03 0.04-0.05 0.26-0.30 0.05 0.05CL-I I Upto25.4mm 0.15-0.20 0.60-0.90 0.15-0.25 0.02 0.02 0.1 0.1E7016 5.00-7.00 0.08 0.35-0.65 0.03 0.015 0.015 0.2 0.2EN32B Upto25.4mm 0.10-0.18 0.60-1.0 0.15-0.35 0.02 0.02 0.1 0.1SWRH27 Upto25.4mm 0.23-0.25 0.30-0.60 0.12-0.25 0.03 0.03 0.1 0.1SWRY11 5.00-7.00 0.09 0.40-0.65 0.03 0.02 0.0023 0.01 0.01SAE1541 GradeSAE1541 UPto12.00 0.36-0.44 1.35-1.65 0.15-0.25 0.03 0.03 0.10-0.15 0.1SAE1541 13.00-25.4 0.36-0.44 1.35-1.65 0.15-0.25 0.03 0.03 0.15-0.20 0.1SMN438 Upto25.4mm 0.3-0.41 1.58-1.64 0.18-0.22 0.02 0.02 0.15-0.20 0.05MS GradeMS Upto25.4mm 0.1 0.30-0.45 0.10-0.35 0.03 0.03 0.1 0.1MS(C) Upto25.4mm 0.06-0.10 1.4-1.6 0.80-0.90 0.025 0.025 0.05 0.05

%Cu %Mo % B %Al %PB %V %Ti %CA0.05 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.00250.1 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.002

0.01 0.005 0.0005 0.005 0.005 0.005 0.002 0.0010.05 0.005 0.0005 0.03-0.06 0.005 0.005 0.002 0.00250.05 0.005 0.0005 0.02-0.06 0.005 0.005 0.002 0.0030.05 0.005 0.0005 0.02-0.06 0.005 0.005 0.002 0.0030.05 0.005 0.0005 0.02-0.06 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.03-0.04 0.005 0.005 0.002 0.001

0.01 0.005 0.0005 0.005 0.005 0.005 0.002 0.0010.1 0.005 0.0005 0.03-0.04 0.005 0.005 0.002 0.0030.1 nil nil 0.03-0.04 nil nil nil 0.003

0.05 0.005 0.0005 0.03-0.04 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.03-0.04 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.03-0.04 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.02-0.04 0.005 0.005 0.002 0.002

0.05 0.005 0.0005 0.02-0.04 0.005 0.005 0.002 0.0020.1 0.005 0.0005 0.02-0.04 0.005 0.005 0.002 0.0010.1 nil nil 0.02-0.03 nil nil nil 0.001

0.05 0.005 0.0005 0.025-0.04 0.005 0.005 0.002 0.00050.05 nil nil 0.03-0.04 nil nil nil 0.0030.1 0.005 0.0005 0.025-0.04 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.0010.1 0.005 0.0005 0.03-0.05 0.005 0.005 0.002 0.002

0.05 0.005 0.0005 0.02-0.04 0.005 0.005 0.002 0.002

0.1 0.005 0.0005 0.006 0.20-0.30 0.005 0.002 0.0010.05 0.005 0.0005 0.005 0.23-0.30 0.005 0.002 0.00060.05 0.005 0.0005 0.006 0.25-0.35 0.005 0.002 0.00060.1 nil nil 0.003 nil nil nil 0.0030.2 0.005 0.0005 0.015 0.005 0.005 0.002 0.00150.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0010.2 nil nil 0.003 nil nil nil nil

0.1 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.0020.1 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.002

0.05 0.005 0.0005 .02-0.03 0.005 0.005 0.002 0.003

0.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.003

Carbon steelGrade Size % C %Mn %Si %P % S % Cr %Ni

O8OM40UPto25.4mm0.40-0.45 0.70-0.90 0.10-0.35 0.03 0.03 0.1 0.145C8 UPto25.4mm0.42-0.50 0.60-0.90 0.10-0.35 0.03 0.02-0.03 0.05 0.05C50 UPto25.4mm0.51-0.55 0.60-0.80 0.15-0.30 0.02 0.02 0.1 0.05C55 UPto25.4mm0.52-0.60 0.60-0.80 0.15-0.4 0.03 0.03 0.10-0.15 0.1C60 UPto25.4mm0.60-0.65 0.60-0.80 0.15-0.30 0.03 0.03 0.05 0.5C80 UPto25.4mm0.80-0.85 0.60-0.70 0.15-0.30 0.03 0.03 0.05 0.05C95 UPto25.4mm0.98-1.03 0.25-0.40 0.18-0.25 0.02 0.02 0.21-0.30 0.05

CH40ACRUPto25.4mm0.40-0.44 0.60-0.90 0.1 0.03 0.03 0.02-0.04 0.1CK45 UPto25.4mm0.42-0.44 0.76-0.80 0.15-0.25 0.03 0.03 0.13-0.15 0.1EN42 UPto25.4mm070-0.80 0.50-0.75 0.35 0.04 0.04 0.10-0.15 0.1

EN43B UPto25.4mm0.45-0.50 0.70-1.0 0.05-0.35 0.04 0.04 0.10-0.15 0.1EN43C UPto25.4mm0.50-0.55 0.70-0.90 0.10-0.35 0.04 0.04 0.10-0.15 0.1EN5K UPto25.4mm0.26-0.30 0.70-0.80 0.15-0.25 0.025 0.025 0.10-0.15 0.1

EN5K(M)UPto25.4mm0.30-0.35 0.70-0.80 0.15-0.25 0.02 0.02 0.05 0.05EN8 UPto25.4mm0.42-0.44 0.76-0.80 0.15-0.25 0.035 0.03 0.13-0.15 0.1

EN8A UPto25.4mm0.33-0.38 0.70-0.90 0.10-0.35 0.035 0.03 0.10-0.15 0.1EN8D UPto25.4mm0.42-0.44 0.76-0.80 0.15-0.25 0.03 0.03 0.13-0.15 0.1EN9 UPto25.4mm0.52-0.60 0.60-0.80 0.15-0.40 0.03 0.03 0.10-0.15 0.1

S35C UPto25.4mm0.32-0.38 0.60-0.90 0.15-0.25 0.03 0.03 0.1 0.05S38C UPto25.4mm0.35-0.41 0.60-0.90 0.15-0.35 0.03 0.03 0.20-0.12 0.05S38C UPto25.4mm0.42-0.48 0.60-0.90 0.15-0.25 0.02 0.02 0.13-0.15 0.1S45C UPto25.4mm0.42-0.48 0.60-0.90 0.15-0.25 0.03 0.03 0.1 0.05S50 UPto25.4mm0.45-0.55 0.50-0.80 0.17-0.40 0.045 0.045 0.05 0.05

S50C UPto25.4mm0.47-0.53 0.60-0.90 0.15-0.33 0.03 0.03 0.1-0.15 0.05SAE1035UPto25.4mm0.32-0.38 0.80-0.90 0.15-0.30 0.03 0.03 0.15 0.1SAE1038UPto25.4mm0.35-0.42 0.60-0.90 0.15-0.30 0.03 0.03 0.15-0.20 0.1SAE1040UPto25.4mm0.42-0.44 0.76-0.80 0.15-0.25 0.03 0.03 0.13-0.15 0.1SAE1045UPto25.4mm0.43-0.48 0.80-0.90 0.15-0.30 0.02 0.02 0.10-0.15 0.1

SAE1045HUPto25.4mm0.42-0.47 0.60-0.80 0.15-0.33 0.03 0.03 0.15-0.25 0.05SAE1050MUPto25.4mm0.47-0.52 0.72-1.0 0.15-0.25 0.04 0.02-0.04 .25-0.35 0.05

ST60-2 UPto25.4mm0.42-0.48 0.70-0.90 0.150.35 0.025 0.02-0.03 0.05 0.05ST70-2 UPto25.4mm0.50-0.56 0.50-0.65 0.10-0.33 0.025 0.025 0.05 0.05

SWRCH38KUPto25.4mm0.35-0.41 0.6-0.90 0.10-0.35 0.03 0.03 0.05 0.05AWRCH45KUPto25.4mm0.42-0.48 0.60-0.90 0.10-0.35 0.03 0.03 0.05 0.05

%Cu %Mo % B %Al %PB %V %Ti %CA0.1 0.005 0.003 0.003 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.02-0.04 0.005 0.005 0.002 0.0020.05 0.005 0.0005 0.02-0.06 0.005 0.005 0.002 0.00250.1 0.005 0.0005 0.018-0.03 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.05 0.03 0.0005 0.006 0.005 0.005 0.002 0.0010.05 0.005 0.0005 0.006 0.005 0.005 0.002 0.0010.1 0.005 0.0005 0.01-0.025 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0020.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.018-0.03 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.015-0.03 0.005 0.005 0.002 0.00150.05 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0020.1 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.001

0.05 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0010.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0010.05 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.015-0.03 0.005 0.005 0.002 0.0025

0.05 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0020.1 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.002

0.05 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.0010.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.05 0.005 0.0005 0.018-0.028 0.005 0.005 0.002 0.0020.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0010.05 0.005 0.0005 0.02-0.03 0.005 0.005 0.002 0.0020.05 0.005 0.0005 0.015-0.02 0.005 0.005 0.002 0.001

AlloygradeGrade Size(mm) % C %Mn %Si %P % S % Cr %Ni

AS2MO UPto8.00mm0.08-0.13 1.0-1.3 0.2 0.02 0.02 0.1 0.1CO2 UPto8.00mm0.04-0.06 1.4-1.5 0.80-0.85 0.02 0.025 0.05 0.01EA1 UPto8.00mm0.08-0.11 0.80-0.95 0.20-0.10 0.02 0.02 0.1 0.1EA2 UPto8.00mm0.08-0.12 0.95-1.2 0.25 0.02 0.03 0.1 0.1EA3 UPto8.00mm0.05-0.17 1.65-1.75 0.2 0.02 0.02 0.1 0.1

EH40K UPto8.00mm0.09-0.13 1.4-1.6 0.15-0.25 0.015 0.01 0.02 0.05EH14 5.00-7.00mm0.10-0.07 1.3-1.8 0.1 0.02 0.02 0.05 0.01EM12 UPto8.00mm0.08-0.12 0.90-0.12 0.15-0.25 0.02 0.02 0.1 0.1

EM12K UPto8.00mm0.08-0.12 0.90-1.2 0.15-0.25 0.02 0.02 0.1 0.1EM12K-SPL UPto8.00mm0.08-0.12 0.90-1.2 0.20-0.30 0.015 0.015 0.1 0.1

EM13K UPto8.00mm0.06-0.08 0.90-1.4 0.40-0.70 0.02 0.02 0.1 0.1ER70S2 UPto8.00mm 0.07 0.90-1.4 0.40-0.70 0.025 0.02 0.1 0.1ER70S6 UPto25.4mm0.06-0.08 1.4-1.5 0.80-0.85 0.02 0.02 0.05 0.01ER90SG UPto8.00mm0.07-0.10 1.7-1.9 0.50-0.70 0.02 0.02 0.05 0.1

S3 UPto8.00mm0.09-0.13 1.4-1.6 0.10-0.18 0.015 0.015 0.1 0.1SA12 UPto25.4mm0.35-0.45 0.70-1.1 0.40-0.50 0.03 0.03 1.0-1.2 0.1WJMI UPto8.00mm0.06-0.10 1.4-1.6 0.80-0.90 0.025 0.025 0.1 0.1WR1 UPto8.00mm0.10-0.15 1.8-2.2 0.05-0.10 0.02 0.02 0.1 0.1WR3 UPto8.00mm0.06-0.10 1.4-1.6 0.80-0.90 0.025 0.02 0.05 0.05

WR3CU UPto8.00mm0.07-0.15 1.0-1.5 0.65-0.85 0.02 0.02 0.1 0.1WR4 UPto8.00mm0.09-0.15 1.8-2.1 0.80-1.0 0.02 0.02 0.1 0.1WR6 UPto8.00mm0.09-0.15 1.7-2.1 0.2 0.025 0.025 0.1 0.1

WR6(M) UPto8.00mm0.09-0.13 1.65-1.75 0.05-0.20 0.015 0.015 0.05 0.05

%Cu %Mo % B %Al %PB %V %Ti %CA0.05 0.45-0.65 0.0005 0.003 0.005 0.005 0.002 0.0030.05 nil nil nil nil nil nil 0.0030.1 0.45-0.65 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.45-0.65 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.45-0.65 0.0005 0.006 0.005 0.005 0.002 0.0015

0.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0020.1 nil nil 0.003 nil nil nil 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.01-0.02 0.005 0.005 0.002 0.00150.05 0.40-0.60 0.0005 0.003 0.005 0.002 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.003

0.05 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.15-0.20 0.005 0.0005 0.003 0.005 0.005 0.002 0.0006

0.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0030.1 0.45 0.0005 0.003 0.005 0.005 0.002 0.003

0.05 0.45-0.65 0.0005 0.003 0.005 0.005 0.002 0.001

Boron gradeGrade Size % C %Mn %Si %P % S % Cr %Ni10B21 9.00-25.4mm 0.18-0.23 0.85-1.0 0.1 0.025 0.025 0.10-0.20 0.110B21 Upto12.00mm 0.18-0.23 0.80-0.90 0.1 0.02 0.02 0.10-0.20 0.110B21 Upto8.00mm 0.18-0.23 0.85-1.0 0.1 0.02 0.02 0.10-0.20 0.1

10B21(M) Upto8.00mm 0.18-0.23 0.85-1.0 0.1 0.02 0.02 0.10-0.20 0.110B21(M) 9.00-25.4mm 0.18-0.23 0.85-1.0 0.1 0.025 0.025 0.10-0.20 0.1

10B30 UPto25.4mm 0.28-0.33 0.80-1.0 0.10-0.25 0.03 0.04 0.15 0.0510B35 UPto25.4mm 0.32-0.36 0.60-0.90 0.15-0.25 0.03 0.03 0.15 0.110B35 UPto25.4mm 0.32-0.36 0.60-0.90 0.15-0.25 0.03 0.03 0.15 0.115B25 UPto25.4mm 0.23-0.28 0.90-1.1 0.10-0.25 0.02 0.025 0.15-0.20 0.0515B25 Upto12.00mm 0.23-0.28 0.90-1.3 0.1 0.025 0.025 0.10-0.2 0.115B25 13.00-25.4mm 0.23-0.28 0.90-1.3 0.1 0.02 0.02 0.1-0.12 0.115B41 UPto25.4mm 0.36-0.44 1.35-1.65 0.15-0.25 0.03 0.03 0.10-0.20 0.05

19MnB4M Upto8.00mm 0.20-0.25 0.80-1.1 0.1 0.03 0.03 0.30-0.40 0.0519MnB4M Upto12.00mm 0.20-0.25 0.80-1.1 0.1 0.03 0.03 0.30-0.40 0.0519MnB4M 13.00-25.4mm 0.20-0.25 0.80-1.1 0.1 0.03 0.03 0.30-0.40 0.05AISI15B36 UPto25.4mm 0.32-0.37 1.2-1.5 0.10-0.30 0.03 0.03 0.30-0.40 0.1

C33B UPto25.4mm 0.32-0.35 0.70-0.75 0.15 0.015 0.015 0.15-0.25 0.1C35B UPto25.4mm 0.35-0.38 0.70-0.75 0.15 0.02 0.02 0.015 0.25-0.35

%Cu %Mo % B %Al %PB %V %Ti %CA0.1 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.0030.1 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.00150.1 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.0030.1 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.0030.1 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.025-0.040 0.003

0.05 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.00250.1 0.005 0.0005-0.0030.02-0.03 0.005 0.005 0.002 0.0030.1 0.005 0.0005-0.0030.02-0.03 0.005 0.005 0.02-0.04 0.001

0.05 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.0020.1 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.0030.1 0.005 0.001-0.003 0.02-0.03 0.005 0.005 0.02-0.04 0.003

0.05 0.005 0.0005-0.0030.02-0.03 0.005 0.005 0.02-0.04 0.00250.05 0.005 0.0008-0.0030.02-0.03 0.005 0.005 0.02-0.04 0.0030.05 0.005 0.0008-0.0030.02-0.03 0.005 0.005 0.02-0.04 0.0030.05 0.005 0.0008-0.0030.02-0.03 0.005 0.005 0.02-0.04 0.0030.1 nil 0.001-0.003 0.02-0.04 nil nil 0.02-0.04 0.0010.1 0.005 0.001-0.003 0.02-0.04 0.005 0.005 0.02-0.04 0.0020.1 0.005 0.001-0.003 0.02-0.04 0.005 0.005 0.02-0.04 0.002

Bell bearingGrade Size % C %Mn %Si %P % S % Cr %NiEN31 UPto25.4mm 0.97-1.1 0.30-0.75 0.10-0.35 0.03 0.03 1.2-1.6 0.1

EN31(M) UPto25.4mm 0.97-1.1 0.25-0.40 0.15-0.35 0.02 0.015 1.4-1.6 0.1SAE52100 UPto25.4mm 0.98-1.02 0.25-0.40 0.15-0.35 0.02 0.015 1.4-1.6 0.1

%Cu %Mo % B %Al %PB %V %Ti %CA0.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0010.1 0.005 0.0005 0.003 0.005 0.005 0.002 0.0010.1 0.05 0.0005 0.003 0.005 0.005 0.002 0.001

steel chemistry

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