
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
| ≤0.08 | 1.00~2.50 | 0.30~0.65 | ≤0.030 | ≤0.030 | 18.00~20.00 | 11.00~14.00 | 2.00~3.00 | ≤0.75 |
| 0.04 | 1.88 | 0.38 | 0.019 | 0.018 | 19.12 | 12.25 | 2.22 | 0.20 |
| C | Mn | Si | S | P | Cr | Ni | Mo | Cu |
| ≤0.08 | 1.00~2.50 | 0.30~0.65 | ≤0.030 | ≤0.030 | 18.00~20.00 | 11.00~14.00 | 2.00~3.00 | ≤0.75 |
| 0.04 | 1.88 | 0.38 | 0.019 | 0.018 | 19.12 | 12.25 | 2.22 | 0.20 |