MEDIUM CARBON
| GRADE |
CARBON% |
MANGANESE% |
SULPHUR% |
PHOSPHORUS% |
SILICON% |
A1% |
| SAE 1030 |
0.28-0.34 |
0.60-0.90 |
0.025 MAX |
0.025 MAX |
0.15-0.35 |
0.020-0.050 |
| SAE 1035 |
0.32-0.38 |
0.60-0.90 |
0.025 MAX |
0.025 MAX |
0.15-0.35 |
0.020-0.050 |
| SAE 1038 |
0.35-0.42 |
0.60-0.90 |
0.025 MAX |
0.025 MAX |
0.15-0.35 |
0.020-0.050 |
| SAE 1040 |
0.37-0.44 |
0.60-0.90 |
0.025 MAX |
0.025 MAX |
0.15-0.35 |
0.020-0.050 |
| SAE 1541 |
0.36-0.44 |
1.35-1.65 |
0.025 MAX |
0.025 MAX |
0.10-0.30 |
0.020-0.050 |
| EN 8D |
0.40-0.45 |
0.60-0.90 |
0.025 MAX |
0.025 MAX |
0.15-0.35 |
0.020-0.050 |
COLD HEADING QUALITY STEEL
| GRADE |
CARBON% |
MANGANESE% |
SULPHUR% |
PHOSPHORUS% |
SILICON% |
A1% |
| SAE 1008 |
0.10 MAX |
0.30-0.60 |
0.020 MAX |
0.025 MAX |
0.10 MAX |
0.010-0.020 |
| SAE 1010 |
0.08-0.13 |
0.30-0.60 |
0.020 MAX |
0.025 MAX |
0.10 MAX |
0.010-0.020 |
| SAE 1012 |
0.10-0.15 |
0.30-0.60 |
0.020 MAX |
0.025 MAX |
0.10 MAX |
0.010-0.020 |
| SAE 1015 |
0.13-0.18 |
0.30-0.60 |
0.020 MAX |
0.025 MAX |
0.10 MAX |
0.010-0.020 |
| SAE 1018 |
0.15-0.20 |
0.60-0.90 |
0.020 MAX |
0.025 MAX |
0.10-0.30 |
0.010-0.020 |
| SAE 1020 |
0.18-0.23 |
0.60-0.90 |
0.020 MAX |
0.025 MAX |
0.10-0.30 |
0.010-0.020 |
HIGH CARBON STEEL
| GRADE |
CARBON% |
MANGANESE% |
SULPHUR% |
PHOSPHORUS% |
SILICON% |
A1% |
| HC 36/40 |
0.36-0.4 |
0.60-0.80 |
0.03 MAX |
0.03 MAX |
0.15-0.30 |
0.010 MAX |
| HC 41/45 |
0.41-0.45 |
0.60-0.80 |
0.03 MAX |
0.03 MAX |
0.15-0.30 |
0.010 MAX |
| HC 51/55 |
0.51-0.55 |
0.60-0.80 |
0.03 MAX |
0.03 MAX |
0.15-0.30 |
0.010 MAX |
| HC 56/60 |
0.56-0.60 |
0.60-0.80 |
0.03 MAX |
0.03 MAX |
0.15-0.30 |
0.010 MAX |
| HC 61/65 |
0.61-0.65 |
0.60-0.80 |
0.03 MAX |
0.03 MAX |
0.15-0.30 |
0.010 MAX |
| HC 66/70 |
0.66-0.70 |
0.60-0.80 |
0.03 MAX |
0.03 MAX |
0.15-0.30 |
0.010 MAX |
| HC 71/75 |
0.71-0.75 |
0.60-0.80 |
0.03 MAX |
0.03 MAX |
0.15-0.30 |
0.010 MAX |
ALLOY STEEL
| GRADE |
CARBON% |
MANGANESE% |
SULPHUR% |
PHOSPHORUS% |
SILICON% |
A1% |
CR% |
Mo% |
Ni% |
B% |
| 16MnCr5 |
0.14-0.19 |
1.00-1.30 |
0.025 MAX |
0.025 MAX |
0.15-0.35 |
0.020-0.030 |
0.90-1.10 |
-- |
-- |
-- |
| 20MnCr5 |
0.17-0.22 |
1.10-1.40 |
0.025 MAX |
0.030 MAX |
0.15-0.35 |
0.020-0.030 |
1.10-1.30 |
-- |
-- |
-- |
| SAE 8620 |
0.18-0.23 |
0.70-0.90 |
0.025 MAX |
0.030 MAX |
0.15-0.35 |
0.020-0.030 |
0.40-0.60 |
0.15-0.25 |
0.40-0.70 |
-- |
| SAE 4140 |
0.38-0.43 |
0.75-1.00 |
0.030 MAX |
0.030 MAX |
0.20-0.30 |
0.020-0.030 |
0.80-1.10 |
0.15-0.25 |
-- |
-- |
| SAE 1030 Cr |
0.28-0.34 |
0.60-0.90 |
0.030 MAX |
0.030 MAX |
0.15-0.30 |
0.020-0-030 |
0.25-0.35 |
-- |
-- |
-- |
| 15B 25 |
0.23-0.28 |
0.90-1.30 |
0.030 MAX |
0.030 MAX |
0.15-0.30 |
0.020-0.030 |
0.10-0.25 |
-- |
-- |
0.0008-0.003 |
