镇江大口径无缝钢管- 润豪钢管销售 ：

① 由于管坯的表面缺陷或内部缺陷所带来的。

② SHENGCHANGUOCHENGZHONGCHANSHENGDE，RUYAZHIGONGYICANSHUSHEJIBUZHENGQUE，MOJUBIAOMIANBUGUANGHUA，RUNHUATIAOJIANBUHAO，KONGXINGSHEJIJIDIAOZHENGBUHELI。

③ GUANPI（DAKOUJINGWUFENGGANGGUAN）ZAIJIAREYAZHI，RECHULIYIJIJIAOZHIGUOCHENGZHONG，RUGUOYINWEIJIAREWENDUKONGZHIBUDANG，BIANXINGBUJUNYUN，JIARELENGQUESUDUBUHELIHUOJIAOZHIBIANXINGLIANGTAIDAERCHANSHENGGUODADECANYUYINGLI，NEIMEYEYOUKENENGDAOZHIDAKOUJINGWUFENGGANGGUANCHANSHENGBIAOMIANLIEWEN。

DAKOUJINGWUFENGGANGGUANDEGAOWENHUIHUOCUIXINGDEBENZHI，PUBIANRENWEISHILIN、XI、TIDENGZAZHIYUANSUZAIYUANAOSHITIJINGJIEPIANJU，DAOZHIJINGJIECUIHUADEJIEGUO。ERMENG、NIE、GEDENGHEJINYUANSUYUSHANGSHUZAZHIYUANSUZAIJINGJIEFASHENGGONGPIANJU，CUJINZAZHIYUANSUDEFUJIERJIAJUCUIHUA。ERMUZEXIANGFAN，YULINDENGZAZHIYUANSUYOUQIANGDEXIANGHUZUOYONG，KESHIZAIJINGNEICHANSHENGCHENDIANXIANGBINGZUAILINDEJINGJIEPIANJU，KEJIANQINGGAOWENHUIHUOCUIXINGXITUYUANSUYEYOUYUMULEISIDEZUOYONG。TAIGENGYOUXIAODICUJINLINDENGZAZHIYUANSUZAIJINGNEICHENDIAN，CONGERJIANRUOZAZHIYUANSUDEJINGJIEPIANJUJIANHUANLEGAOWENHUIHUOCUIXING。

　　JIANGDIYANTAIDAKOUJINGWUFENGGANGGUANGAOWENHUIHUOCUIXINGDECUOSHIYOU：

　　1、ZAIGAOWENHUIHUOHOUYONGYOULENGHUOSHUIKUAISULENGQUEYIYIZHIZAZHIYUANSUZAIJINGJIEPIANJU；

　　2、CAIYONGHANMUDAKOUJINGWUFENGGANGGUANZHONG，DANGGANGZHONGMUHANLIANGZENGJIADAO0.7%SHI，ZEGAOWENHUIHUOCUIHUAQINGXIANGJIANGDI，CHAOGUOCIXIANDAKOUJINGWUFENGGANGGUANZHONGXINGCHENGFUMUDETESHUTANHUAWU，JITIZHONGMUHANLIANGJIANGDI，DAKOUJINGWUFENGGANGGUANDECUIHUAQINGXIANGFANERZENGJIA；

　　3、JIANGDIDAKOUJINGWUFENGGANGGUANZHONGZAZHIYUANSUDEHANLIANG；

　　4、ZHANGQIZAIGAOWENHUIHUOCUIHUAQUGONGZUODEBUJIAN，DANJIAMUYENANYIFANGZHICUIHUA，ZHIYOUJIANGDIDAKOUJINGWUFENGGANGGUANZHONGZAZHIYUANSUHANLIANG，DAKOUJINGWUFENGGANGGUAN，TIGAODAKOUJINGWUFENGGANGGUANDECHUNJINGDU，BINGFUZHIYILVHEXITUYUANSUDEFUHEHEJINHUA，CAINENGYOUXIAODIFANGZHIGAOWENHUIHUOCUIXING。

SHOUXIANYUANLIAOJINXINGBEILIAOSHI，DAKOUJINGWUFENGGANGGUANZHIJIANYINGMIANDUIMIANHUOZHEBEIDUIBEIJINXINGBAIFANG，LINGWAIHAIYAOZHUYIDAOJUDEMOSUNQINGKUANG，YIJISHIFOUYOUMAOCIDENG。QI

CIDAKOUJINGWUFENGGANGGUANJINXINGQIEGEJIAGONGSHI，YINGSHOUXIANQUERENDAKOUJINGWUFENGGANGGUANSHIFOUYOUHUASHANGXIANXIANG，YIBIANJIANCHALAILIAOZHILIANG。RUYOUHUASHANG，YINGTUIHUI，BUNENGJINXINGJIAGONG。

ZAICIDAKOUJINGWUFENGGANGGUANJINXINGWANQUSHI，YAOXIANCHAKANYIXIASHANGXIAMOYIJIBANLIAOSHANGSHIFOUYOUZAZHIHUOZHEYIWU，RUYOUZEBUNENGJINXINGWANQUCAOZUO，YIFANGYASHANGDAKOUJINGWUFENGGANGGUAN。

还有就是对大口径无缝钢管进行焊接时，焊接工作台应保持干净平整，没有任何异物，如有应及时清除掉。