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42CrMo合金管常用的退火方法

文章出处:http://bagsbig.com 发表时间:2017/6/9 8:48:35 点击:5

42CrMo合金管常用的退火方法 

 

①WANQUANTUIHUO 

将钢如热至Ac3以上30-50℃,完全奥氏体化后保温一段时间,随之在42CrMo合金管淬火液中缓慢冷却,获得接近平衡状态组织的工艺称为完全退火。 

完全退火又称重结晶退火,在加热过程中,42CrMo合金管 淬火液之钢的组织全部转变为奥氏体,而在冷却过程奥氏体又转变为细小而均匀的平衡组织(珠光体十铁素体),从而降低钢的硬度,细化了钢的晶粒,提高了塑性,充分消除了内应力。 

WANQUANTUIHUOZHUYAOSHIYONGYUYAGONGXIGANG,YONGYUDUAN、YA、ZHU、HANDENGREJIAGONGHOUDEGANGJIANMAOPI,TUIHUOHOUDEZUZHIWEITIESUTIHEZHUGUANGTI。 

②QIUHUATUIHUO 

JIANGGANGRUREZHIAc3YISHANG20~30℃,BAOWENYIDUANSHIJIAN,XIALAIDEGONGYICHENGWEIQIUHUATUIHUO。 

QIUHUATUIHUODEMUDEZAIYUSHIGUOGONGXIGANGHUODEQIUZHUANGZHUGUANGTI。QIUZHUANGZHUGUANGTISHIQIZHONGDESHENTANTICHENGQIUXINGDEKELI,MISANFENBUZAITIESUTIJITIZHINEIDEHUNHEWU。QIUZHUANGZHUGUANGTIYUPIANZHUANGZHUGUANGTIBIJIAO,YINGDUJIAODI,QIEXIEYIYUDUANKAI,BIANYUQIEXUEJIAGONG,BINGQIEZAICUIHUOJIARESHI,AOSHITIJINGLIBUYICUDA,LENGQUESHIGONGJIANBIANXING、KAILIEQINGXIANGXIAO。 

球化42CrMo合金管淬火液退火主要用于制造使用工具、量具、模具等的共析钢和过共析钢,如碳素工具钢、合金工具钢、轴承钢。主要目的是降低硬度,改善切削加工性,并为42CrMo合金管淬火液淬火时做好组织准备。 

RUOGANGDEYUANSHIZUZHIZHONGYOUWANGZHUANGSHENTANTIHUOQITAZUZHIQUEXIANSHI,YINGXIANYONGZHENGHUOXIAOCHUHOUZAIQIUHUATUIHUO。 

③QUYINGLITUIHUO 

JIANGGANGJIAREDAODIYUA]DEMOUYIWENDU(YIBANQU600~650℃),BAOWENYIDINGSHIJIANHOUHUANMANLENGQUEDEGONGYICHENGWEIQUYINGLITUIHUO。42CrMoHEJINGUANCUIHUOYEQUYINGLITUIHUOZHUYAOYONGYUXIAOCHUZHUTIE、DUANJIAN、HANJIEJIAN、CHONGYAJIANJIJIJIALINGJIANDECANYUYINGLI,WENDINGCHICUN,JIANSHAOSHIYONGGUOCHENGZHONGDEBIANXING。 

LINGJIANZHONGCUNZAIDENEIYINGLISHISHIFENYOUHAIDE,RUBUJISHIXIAOCHU,JIANGSHILINGJIANZAIJIAGONGJISHIYONGGUOCHENGZHONGFASHENGBIANXING,YINGXIANGGONGJIANDEJINGDU。LINGWAI,42CrMoHEJINGUANCUIHUOYENEIYINGLIYUWAIJIAZAIHEDIEJIAZAIYIQIHAIHUIYINQICAILIAOFASHENGYIWAIDUANLIE。

 

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