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       20號無縫鋼管直(zhi)徑152壁厚10mm工藝流程

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1、結構(gou)用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB8162-2008 2、輸送流體(ti)用(yong)(yong)(yong)地縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB8163-20083、鍋(guo)爐(lu)用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB3087-2008 4、鍋(guo)爐(lu)用(yong)(yong)(yong)高壓無(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)：GB5310-2008（ST45.8-Ⅲ型） 5、化(hua)(hua)肥設備用(yong)(yong)(yong)高壓無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB6479-1999 6、地質(zhi)鉆(zhan)探用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：YB235-70 7、石(shi)油鉆(zhan)探用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：YB528-65 8、石(shi)油裂化(hua)(hua)用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB9948-88 9、石(shi)油鉆(zhan)鋌專(zhuan)用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)：YB691-70 10、汽(qi)車半軸用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB3088-1999 11、船(chuan)舶用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB5312-1999 12、冷拔冷軋精密(mi)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)：GB3639-1999 13、各種合金(jin)管(guan)(guan)(guan)(guan)(guan)16Mn、27SiMn、15CrMo、35CrMo、12CrMov、20G、40Cr,12Cr1MoV,15CrMo