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回火
,→回火常见问题与解决方法
100℃热水回火之优点低温回火常使用180℃至200℃左右来回火，使用油煮回火。其实若使用100℃的热水来进行回火，会有许多优点，包括：
[[File:1-1Z42910430N44.png|缩略图|300px|[http://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=回火曲线&step_word=&hs=0&pn=56&spn=0&di=62710&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=2601020302%2C1871738942&os=2223001111%2C2338111790&simid=3395781997%2C87440877&adpicid=0&lpn=0&ln=699&fr=&fmq=1580895500108_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined©right=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=15&oriquery=&objurl=http%3A%2F%2Fwww.anytesting.com%2Fuploads%2Fallimg%2F190429%2F1-1Z42910430N44.png&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bwgypjfptg2_z%26e3Bv54AzdH3FgjofAzdH3F8l8cl8b_z%26e3Bip4s&gsm=&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 原圖鏈接][http://www.anytesting.com/news/1915918.html 来自嘉峪检测网]]]
（1） 100℃的回火可以减少磨裂的发生；