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铬十二钼钒如何进行热处理

更新时间: 2020-10-25 00:00:00     

钢棒与锻件960摄氏度空冷加700到720摄氏度回火、空冷。

1、淬火:第一次预热为300到500摄氏度,第二次预热为840到860摄氏度;淬火温度为1020到1040摄氏度;冷却介质是油,介质温度是20到60摄氏度,冷却至油温;随后,空冷,HRC为60到63。

2、回火:加热温度400到425摄氏度,得到HRC为57到59。

关键词: 如何 进行 热处理

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