
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
| ≤0.12 | ≤0.60 | ≤0.50 | ≤0.030 | ≤0.030 | 11.50~13.50 | ≤0.60 | - | ≤0.75 |
| 0.06 | 0.48 | 0.38 | 0.015 | 0.016 | 12.12 | 0.20 | - | 0.17 |
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
| ≤0.12 | ≤0.60 | ≤0.50 | ≤0.030 | ≤0.030 | 11.50~13.50 | ≤0.60 | - | ≤0.75 |
| 0.06 | 0.48 | 0.38 | 0.015 | 0.016 | 12.12 | 0.20 | - | 0.17 |