| V | C | Mn | Si | Cr | Ni | Mo |
| ≤0.08 | ≤0.3 | ≤0.2 | 3.6~4.2 | 0.3~0.7 | 0.2~0.6 | 0.08~0.15 |
| V | C | Mn | Si | Cr | Ni | Mo |
| ≤0.08 | ≤0.3 | ≤0.2 | 3.6~4.2 | 0.3~0.7 | 0.2~0.6 | 0.08~0.15 |
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