PN2500超高压阀门和管件 力学性能
| 材料牌号 |
抗拉强度 Rm/MPa |
下屈服强度 ReL/MPa |
伸长率 A(%) |
冲击吸收能量 K/J |
硬度 HBW |
| 42CrMo | ≥931 | ≥735 | ≥16 | ≥68.6 | 269~321 |
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