| Grade | 4140 1.7225 42CrMo4 SCM440 B7 |
| Standard | ASTM A29,ASTM A193 |
| Surface | Black, Rough Machined, Turned |
| Diameter Range | 1.0 ～ 300.0mm |
| Length | 1 to 6 Meters |
| Processing | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Raw Materail | POSCO, Baosteel, TISCO, Saky Steel, Outokumpu |
| Grade | C | Mn | P | S | Si | Cr | Mo |
| 4140 | 0.38-0.43 | 0.75- 1.0 | 0.035 | 0.040 | 0.15-0.35 | 0.8-1.10 | 0.15-0.25 |
| 42CrMo4/ 1.7225 |
0.38-0.45 | 0.6-0.90 | 0.035 | 0.035 | 0.40 | 0.9-1.20 | 0.15-0.30 |
| SCM440 | 0.38-0.43 | 0.60-0.85 | 0.03 | 0.030 | 0.15-0.35 | 0.9-1.20 | 0.15-0.30 |
| B7 | 0.37-0.49 | 0.65-1.10 | 0.035 | 0.040 | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
| Grade | Tensile Strength [MPa] | Yiled Strengtu [MPa] | Elongation % |
| 4140 | 655 | 415 | 25.7 |
| 1.7225/42CrMo4 | 1080 | 930 | 12 |
| SCM440 | 1080 | 930 | 17 |
| B7 | 125 | 105 | 16 |