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20CrMo如何进行调质处理？

2025-03-15 08:08:56

推荐回答（2个）

回答1：

20CrMo热处理规范：淬火880℃,水冷、油冷;回火500℃,水冷、油冷。

20CrMo属于国标合金结构钢，执行标准：GB/T 3077-2015

20CrMo淬透性较高，无回火脆性，焊接性相当好，形成冷裂的倾向很小，可切削性及冷应变塑性良好。一般在调质或渗碳淬火状态下使用，用于制造在非腐蚀性介质及工作温度低于 250℃、含有氮氢混合物的介质中工作的高压管及各种紧固件、较高级的渗碳零件，如齿轮、轴等。

20CrMo化学成分如下图：

回答2：

淬火880℃,水冷、油冷; 回火500℃,水冷、油冷查看原帖>>

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