51问答网 > 5CrNiM0真空淬火40度热处理多少钱一公斤？

5CrNiM0真空淬火40度热处理多少钱一公斤？

2025-03-15 03:37:35
推荐回答（1个）
回答1：

变形原因;机械加工过程中的残余应力和淬火后的应力叠加，增大了模具热处理后的变形。预防措施；粗加工后、半精加工前应进行一次去应力退火，即（630-680）℃×（3-4）h炉冷至500℃以下出炉空冷，也可采用400℃×（2-3）h去应力处理。（2）降低淬火温...

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