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阀门零部件 螺纹法兰热处理后的力学性能_阀门标准
阀门零部件 螺纹法兰热处理后的力学性能
| 钢号 | Rm | ReL | A | Z |
AK N·m/cm2 |
HBS |
| ≥ MPa | ≥ （%） | |||||
| 35 | 560 | 300 | 19 | 48 | 60 | 156～207 |
| 40MnVB | 850 | 650 | 15 | 45 | 80 | 241～286 |
| 35CrMoA | 750 | 550 | 18 | 50 | 60 | 217～269 |
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