PN2500超高压阀门和管件 力学性能
材料编号 |
抗拉强度 Rm/MPa |
下屈服强度 ReL/MPa |
伸长率A (%) |
断面收缩率Z (%) |
冲击吸收能量 K/J |
硬度 HBW |
20Cr13 | ≥784 | ≥588 | ≥16 | ≥50 | ≥68.6 | ≤248 |
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