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浅谈重庆管件焊接后热的作用

来源:法兰|对焊法兰|不锈钢法兰|法兰盘|法兰厂家-重庆巨人管道配件有限公司     发布时间:2021-09-15 14:59:20     浏览次数:

  浅谈重庆管件焊接后热的作用

  ZHONGQINGGUANJIANHANJIEHOURESHIZHIHANJIEPOKOU(YICEHUOLIANGCE)TIANMANHOU,LIJIDUIHANJIEQUYUJIAREHUOBAOWENLENGQUEDEGONGYICUOSHI。

  HOUREDEZHUYAOZUOYONGSHIJIANGDIHANFENGJIEJINGHOUJIETOUDELENGQUESUDU,YOULIYUHANFENGJINSHUZHONGKUOSANQINGDEYICHU,SUOYIYOUCHENGXIAOQINGCHULI。TASHIFANGZHIGAOQIANGGANGZHONGQINGGUANJIANCHUXIANYANCHILIEWEN(LENGLIEWEN)DEYOUXIAOCUOSHI。

  DUIYUXUYAOXIANZHIYURE、CENGJIANWENDUDEGAOQIANGGANGHUOCr-MoGANGZHONGQINGGUANJIAN,CAIYONGYURE+HOUREDEGONGYI,BUJINFANGLIE(LENGLIEWEN,ZAIRELIEWEN)XIAOGUOXIANZHU,ERQIENENGGOUJIANXIAOHANJIECANYUYINGLI。

  HOUREYUYUREPEIHE,JIUKEYISHIDANGJIANGDIYUREWENDU,GAISHANHANGONGDEGONGZUOTIAOJIAN,YOULIYUBAOZHENGZHONGQINGGUANJIANHANJIEZHILIANG。

重庆管件

  QUEDINGBAOKUOHOUREWENDU、BAOWENSHIJIANDENGNEIRONGDE“HOUREGUIFAN”,XUYAOKAOLVZHONGQINGGUANJIANDECHENGFEN、QIANGDUJIJIEGOUGANGXINGDENG。SHIJIANBIAOMING:

  1)DUIYUQIANGDUJIAODIDETANMENGGANG,RU16MnRZHONGQINGGUANJIAN(DAZHIXIANGDANGYURUJINDEQ345R),RUOCAIQUHOURE,KEXUANZE150~200℃;

  2)ERDUIYU18MnMoNbGANG(DAZHIXIANGDANGYURUJINGB150.2YALIRONGQIYONGGANGQIANGDUJIBIEZUIGAODE18MnMoNbR),FANGZHILENGLIEWENXUYAO180℃YISHANGDEYURE,FANGZHIZAIRELIEWENXUYAO220℃YURE,RUOCAIYONG180℃YURE+180℃x2hHOURE,JIUBUHUICHUXIANZAIRELIEWEN(LEISIYUHANHOURECHULIPWHTZHONGKENENGCHUXIAN)。

  DANHOUREWENDUBINGFEIYUEGAOYUEHAO,DUIYUYIXIEZHONGQINGGUANJIAN,HOUREWENDUTAIGAOHUIYINQICUIHUA。

  LIRU,DUIYUDIHEJINGAOQIANGDUDIAOZHIGANG14MnNoNbB(ZAOQIHAIYOUWENXIANBAODAOYONGYUYALIRONGQI,DANHOULAIJIUMEILE,GB150.2MEIYOUNARU)。CAIYONG200℃YUREKEYIBIMIANLENGLIEWEN,ERFANGZHIZAIRELIEWENXUYAOYUREDAO270℃。RUOCAIQU200℃YURE+250℃x2hDEHOUREJIUKEYIBIMIANZAIRELIEWEN。

  350~500℃SHI14MnNoNbBDECUIXINGQU,SUXINGKAISHIXIAJIANG,RUOZAICIWENDUQUJIANDUIZHONGQINGGUANJIANJINXINGHOUREHUICHUXIANZAIRELIEWEN,SUOYIQIHOUREWENDUYIBANBUCHAOGUO270℃。

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