
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
| ≤0.12 | 1.00~2.50 | 0.30~0.65 | ≤0.030 | ≤0.030 | 23.00~25.00 | 12.00~14.00 | - | ≤0.75 |
| 0.06 | 1.98 | 0.38 | 0.019 | 0.018 | 23.80 | 12.85 | - | 0.20 |
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
| ≤0.12 | 1.00~2.50 | 0.30~0.65 | ≤0.030 | ≤0.030 | 23.00~25.00 | 12.00~14.00 | - | ≤0.75 |
| 0.06 | 1.98 | 0.38 | 0.019 | 0.018 | 23.80 | 12.85 | - | 0.20 |