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20Cr无缝钢管力学性能和化学成分

更新时间:2018-06-06

  20CrWUFENGGANGGUANXIANGBIDAJIADOUQINGCHU,JINTIANWUFENGGANGGUANCHANGWEIDAJIAJIANDANJIESHAOYIXIA20CrWUFENGGANGGUANLIXUEXINGNENGHEHUAXUECHENGFEN。

牌号 化学成分(质量分数)(%)
C Si Mn Cr≤ Mo Ni B V
20Cr 0.18-0.24 0.17-0.37 0.05-0.80 0.70-1.00
牌号 力学性能
拉力强度MPa 屈服点MPa 断后伸长率(%) 断面收缩率(%)
20Cr 835 540 10 40

 

  20Cr无缝钢管力学性能

  20CrWUFENGGANGGUANJUYOUZHONGKONGJIEMIAN,DALIANGYONGZUOSHUSONGLIUTIDEGUANDAO,RUSHUSONGSHIYOU、TIANRANQI、MEIQI、SHUIJIMOUXIEGUTIWULIAODENG。YUYUANGANGDENGSHIXINGANGCAIXIANGBI,ZAIKANGWANKANGNIUQIANGDUXIANGTONGSHI,ZHONGLIANGJIAOQING,20CrWUFENGGANGGUANSHIYIZHONGJINGJIJIEMIANGANGCAI,GUANGFANYONGYUZHIZAOJIEGOUJIANHEJIXIELINGJIAN,RUSHIYOUZUANGAN、QICHECHUANDONGZHOU、ZIXINGCHEJIAYIJIJIANZHUSHIGONGZHONGYONGDEGANGJIAOSHOUJIADENG。YONG20CrWUFENGGANGGUANZHIZAOHUANXINGLINGJIAN,KETIGAOCAILIAOLIYONGLV,JIANHUAZHIZAOGONGXU,JIEYUECAILIAOHEJIAGONGGONGSHI,RUGUNDONGZHOUCHENGTAOQUAN、QIANJINDINGTAODENG,MUQIANYIGUANGFANYONGGANGGUANLAIZHIZAO。20CrWUFENGGANGGUANHAISHIGEZHONGCHANGGUIWUQIBUKEQUESHAODECAILIAO,QIANGGUAN、PAOTONGDENGDOUYAOGANGGUANLAIZHIZAO。20CrWUFENGGANGGUANANHENGJIEMIANJIXINGZHUANGDEBUTONGKEFENWEIYUANGUANHEYIXINGGUAN。YOUYUZAIZHOUZHANGXIANGDENGDETIAOJIANXIA,YUANMIANJIZUIDA,YONGYUANXINGGUANKEYISHUSONGGENGDUODELIUTI。CIWAI,YUANHUANJIEMIANZAICHENGSHOUNEIBUHUOWAIBUJINGXIANGYALISHI,SHOULIJIAOJUNYUN,YINCI,JUEDADUOSHUGANGGUANSHIYUANXINGGUANCAI。

  20Cr无缝钢管化学成分

  20CrMoHEJINGANGGUANHANTAN0.17~0.24,GUI0.17~0.37,MENG0.40~0.70,MU0.15~0.25,GE0.80~1.10

  ①GANGHAOKAITOUDELIANGWEISHUZIBIAOSHIGANGDETANHANLIANG,YIPINGJUNTANHANLIANGDEWANFENZHIJIBIAOSHI,RU40Cr。

  ②GANGZHONGZHUYAOHEJINYUANSU,CHUGEBIEWEIHEJINYUANSUWAI,YIBANYIBAIFENZHIJIBIAOSHI。DANGPINGJUNHEJINHANLIANG<1.5%SHI,GANGHAOZHONGYIBANZHIBIAOCHUYUANSUFUHAO,ERBUBIAOMINGHANLIANG,DANZAITESHUQINGKUANGXIAYIZHIHUNXIAOZHE,ZAIYUANSUFUHAOHOUYIKEBIAOYISHUZI"1",LIRUGANGHAO"12CrMoV"HE"12Cr1MoV",QIANZHEGEHANLIANGWEI0.4-0.6%,HOUZHEWEI0.9-1.2%,QIYUCHENGFENQUANBUXIANGTONG。DANGHEJINYUANSUPINGJUNHANLIANG≥1.5%、≥2.5%、≥3.5%……SHI,ZAIYUANSUFUHAOHOUMIANYINGBIAOMINGHANLIANG,KEXIANGYINGBIAOSHIWEI2、3、4……DENG。LIRU18Cr2Ni4WA。

  ③GANGZHONGDEFANV、TAITi、LVAL、PENGB、XITUREDENGHEJINYUANSU,JUNSHUWEIHEJINYUANSU,SUIRANHANLIANGHENDI,RENGYINGZAIGANGHAOZHONGBIAOCHU。LIRU20MnVBGANGZHONG。FANWEI0.07-0.12%,PENGWEI0.001-0.005%。

  ④GAOJIYOUZHIGANGYINGZAIGANGHAOZUIHOUJIA"A",YIQUBIEYUYIBANYOUZHIGANG。

  ⑤ZHUANMENYONGTUDEHEJINJIEGOUGANG,GANGHAOGUANYI(HUOHOUZHUI)DAIBIAOGAIGANGZHONGYONGTUDEFUHAO。LIRUMAOLUOZHUANYONGDE30CrMnSiGANG,GANGHAOBIAOSHIWEIML30CrMnSi。

  ZUIHOU,HEJINGUANSHIGANGGUANANZHAOSHENGCHANYONGLIAO(YEJIUSHICAIZHI)LAIDINGYIDE,GUMINGSIYIJIUSHIHEJINZUODEGUANZI;ERWUFENGGUANSHIGANGGUANANZHAOSHENGCHANGONGYI(YOUFENGWUFENG)LAIDINGYIDE,QUBIEYUWUFENGGUANDEJIUSHIYOUFENGGUAN,BAOKUOZHIFENGHANGUANHELUOXUANGUAN。HEJINGUANYUWUFENGGUANLIANGZHEJIYOUGUANXIYOUYOUQUBIE,BUNENGHUNWEIYITAN。

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