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| C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ |
| 0.05-0.10 | 1.00 | 1.50 | 0.020 | 0.015 | 19.0-23.0 | 30.0-35.0 | - | 0.75 |
| ÆäËû | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb≤ |
| - | 0.15-0.60 | 0.15-0.60 | 1.00 | - | - | - |
| ÎÂ¶È ¡æ | σ§¾/ MPa | σ0.2 / MPa | δ5 /% |
| 100 | 425 | 140 | 160 |
| 300 | 390 | 95 | 115 |
| 500 | 360 | 80 | 100 |
| 600 | 300 | 75 | 95 |