合金管牌号Q235A和Q235B的区别

　　Q235AHEQ235BDEGANGCAIJIESHUYUTANSUGANG。ZAIGUOJIABIAOZHUNGB700―88ZHONG，DUIQ235AHEQ235BDECAIZHIQUFENZHUYAOZAIGANGCAIDEHANTANLIANGFANGMIAN，CAIZHIWEIQ235ADECAIZHIHANTANLIANGZAI0.14―0.22ZHIJIAN;Q235BDECAIZHIBUZUOCHONGJISHIYAN，ERSHICHANGZUOWENCHONGJISHIYAN，VXINGQUEKOU。

　　XIANGDUILAISHUO，CAIZHIWEIQ235BDEGANGCAIDEJIXIEXINGNENGYAOYUANYUANYOUYUCAIZHIWEIQ235ADEGANGCAI。YIBANQINGKUANGXIA，GANGCHANGZAICHENGPINXINGCAICHUCHANGZHIQIANDOUZAIBIAOSHIPAISHANGZUOLEBIAOSHI。YONGHUKEYIZAIBIAOSHIPAISHANGPANBIEQICAIZHISHIQ235A，HAISHIQ235B，HUOQITACAIZHI。