Cr12热处理工艺

2025-03-15 08:55:21
推荐回答(5个)
回答1:

Cr12MoV钢是高碳高铬莱氏体钢,含碳量比Cr12钢低。该钢具有高的淬透性,截面300mm以下可以完全淬透,淬火时体积变化也比Cr12钢要小。

其热处理制度为 钢棒与锻件960度空冷+700~720度回火,空冷。

最终热处理工艺,由于较多,可以给你提供一组典型的工艺:
淬火:
第一次预热:300~500℃,第二次预热840~860℃;淬火温度:1020~1040℃;冷却介质:油,介质温度:20~60℃,冷却至油温;随后,空冷,HRC=60~63。

回火:
经过以上淬火工艺,可以达到降低硬度的作用,具体回火工艺如下:
加热温度400~425℃,得到HRC=57~59。

回答2:

国标Cr12 材料
淬火方法:箱式电阻炉 加温
淬火温度:960°油冷
回火温度:250°-280°封闭于炉内自然冷却
硬度60-62HRC
落料模具必须回火!

回答3:

如果是普通冲裁模的话,一般设备处理即可.可参考以下方法:
淬火:箱式电阻炉,980℃,保温45分钟,油淬.(如果对表面有要求的话可用木炭保护)
回火:250℃,保温2小时.空冷.回火要及时.

回答4:

Cr12型钢(包括Cr12、Cr12Mo、Cr12MoV和Cr12Mo1V)是高碳高铬莱氏体模具钢,过去有“高淬高回”和“低淬低回”两种热处理方法,后来,我国热处理科技工作者有研究开发出一种“中淬中回”的淬火回火工艺。这种材料对锻造、预备热处理和最终热处理的要求比较系统。欢迎您到新网站“热处理之家(www.rclhome.com)注册,参与技术交流和学习

回答5:

设备:盐浴,真空油淬,普通滴注箱式炉都能做
加热:850保温1.5h 970保温1h 直接油淬或盐浴马氏体保温(有薄壁,尖角等可遇冷至920左右淬油)
希望我的回答对你有帮助

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