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HEBEIQ355BYUANGANGDUOSHAOQIANYIDUN

发布作者:山东省龙川金属材料有限公司    发布日期:2020/10/8 16:35:45

HEBEIQ355BYUANGANGDUOSHAOQIANYIDUN


Q355是一种钢材。是一种低合金钢,广泛应用于桥梁、车辆、船舶、建筑、压力容器、特种设备等,其中“Q”意为屈服强度,355表示这种Q355B圆钢屈服强度为355MPa。


Q355HUISUIZHECAIZHIDEHOUDUDEZENGJIAERQUFUZHIJIANXIAO,BINGQIEGUOCHANDEKENENGXIAOYU355MPa,SUOYIZAIJIXIESHEJIDESHIHOUQ355BYUANGANGDEQIANGDUBIXUYAOXIAOYU355MPa,BURANJIUHUIYOUWENTI。

CANKAOBIAOZHUN:GB/T1591-2018 《DIHEJINGAOQIANGDUJIEGOUGANG》

ZHU:Q355***XINBIAOZHUNGB/T1591-2018 XIANGDUIYULAOBIAOZHUN,***MINGXIANDEYIGEBIANHUAJIUSHIMnYUANSUHANLIANGDEBIANHUA,CONGYUANLAIDE1.0-1.60GENGZHENGWEI≤1.70,QUXIAOLE***XIAOZHIDEXIANDING。

SUIZHEXIANDAIGONGYEDEFAZHAN,KEJIDEBUDUANJINBU,GEZHONGWEILIANGYUANSUZAIGANGBANZHONGDEYINGYONGYEGENGJIAGUANGFAN,MnHANLIANGBUZAISHIYINGXIANGGANGCAIQIANGDUHEJIXIEXINGNENGDEWEIYIYINSU。SUOYIZHONGHUARENMINGONGHEGUOGUOJIAZHILIANGJIANDUJIANYANJIANYIZONGJUHEZHONGGUOGUOJIABIAOZHUNHUAGUANLIWEIYUANHUILIANHEFABUSHISHIDEDIHEJINGAOQIANGDUJIEGOUGANGBIAOZHUN,QUXIAOMnHANLIANGQUJIANDEXIANDING,ZHIGUIDING***DAZHI。

DUIYUQ355BYUANGANGDEJIANCE,YIFANGMIANSHIGANGCAIDEYUANSUHANLIANGSHIFOUDADAOGUOBIAOYAOQIU,***ZHONGYAODEYIFANGMIANSHITONGGUOZHUANYEJIGOUJIANCEQ355BYUANGANGDEJIXIEXINGNENG(QUFUQIANGDU、LASHENSHIYAN)SHIFOUDADAOBIAOZHUN。


Q355A,Q355B,Q355C,Q355D,Q355E。ZHEISHIDENGJIDEQUFEN,SUODAIBIAODE,ZHUYAOSHICHONGJIDEWENDUYOUSUOBUTONGERYI!

Q355AJI,SHIBUZUOCHONGJI;Q355BJI,SHI20DUCHANGWENCHONGJI;Q355CJI,SHI0DUCHONGJI;Q355DJI,SHI-20DUCHONGJI;Q355EJI,SHI-40DUCHONGJI。ZAIBUTONGDECHONGJIWENDU,CHONGJIDESHUZHIYEYOUSUOBUTONG。ZAIBANCAILI,SHUDIHEJINXILIE。ZAIDIHEJINDECAIZHILI,CIZHONGCAIZHIWEI***PUTONGDE。Q355GUOQUDEYIZHONGJIAOFAWEI:16Mn。

Q355DEWAIBUZHIXINGBIAOZHUNWEI:GB709,NEIBUZHIXINGBIAOZHUNWEI:GB/T1591-2008

YOUYUZHIXINGBIAOZHUNDEYUANYIN,CIZHONGGANGBANYUNXUFUGONGCHAJIAOHUO。


不同:Q235的屈服强度下限为235MPa,Q355B圆钢的屈服强度下限为355MPa(Q的意义为汉字的"屈"字,后面的数值代表屈服强度下限) 2、二者合金含量不同:Q235为普通碳钢,Q355为低合金钢

Q235SHITANSUJIEGOUGANG,YUJIUBIAOZHUNGB700-79PAIHAODUIZHAOA3、C3

Q355B圆钢是低合金结构钢,与旧标准1591-88牌号对照12MnV、16Mn 16MnRE、18Nb、14MnNb

ZHIYUXINGNENGHEYINGYONG,TAIDUOLE,

Q235--JINSHUJIEGOUJIAN,XINBUQIANGDUYAOQIUBUGAODESHENTANHUOQINGHUALINGJIAN,LAGAN、LIANGAN、DIAOGOU、CHEGOU、LUOSHUANLUOMU、TAOTONG、ZHOUJIHANJIEJIAN

Q355--ZONGHELIXUEXINGNENGLIANGHAO,DIWENXINGNENGYIKE,SUXINGHEHANJIEXINGLIANGHAO,YONGZUOZHONGDIYARONGQI、YOUGUAN、CHELIANG、QIZHONGJI、KUANGSHANJIXIE、DIANZHAN、QIAOLIANGDENGCHENGSHOUDONGHEDEJIEGOU、JIXIELINGJIAN、JIANZHUJIEGOU、YIBANJINSHUJIEGOUJIAN,REYAHUOZHENGHUOZHUANGTAISHIYONG,KEYONGYU-40℃YISHANGHANLENGDIQUDEGEZHONGJIEGOU





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