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| Cr | Ni | Mn | Mo | N |
| 19.0-21.0 | 24.0-26.0 | ≤2.00 | 6.0-7.0 | 0.15-0.25 |
| C | Si | P | Cu | Fe |
| ≤0.02 | ≤0.5 | ≤0.03 | 0.5-1.5 | Balance* |