厚壁無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)方(fang)管生產的(de)生產制(zhi)造工藝可分為(wei)(wei)(wei)冷(leng)拔(ba)、冷(leng)軋和(he)熱軋三種基本方(fang)式(shi)，鋼(gang)(gang)(gang)(gang)管的(de)材(cai)質為(wei)(wei)(wei)10#、20#、35#、45#稱為(wei)(wei)(wei)普(pu)通鋼(gang)(gang)(gang)(gang)管，16Mn介于(yu)普(pu)通鋼(gang)(gang)(gang)(gang)管和(he)合金鋼(gang)(gang)(gang)(gang)管之間稱為(wei)(wei)(wei)低合金鋼(gang)(gang)(gang)(gang)管，鋼(gang)(gang)(gang)(gang)管的(de)材(cai)質為(wei)(wei)(wei)27SiMn、12Cr1MoV、10CrMo910、15CrMo、35CrMo以及不(bu)銹(xiu)鋼(gang)(gang)(gang)(gang)管統稱為(wei)(wei)(wei)合金方(fang)管。按照用(yong)(yong)途分為(wei)(wei)(wei)結(jie)構用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;輸送用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;鍋(guo)爐用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;鍋(guo)爐用(yong)(yong)高(gao)壓無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;化肥設備用(yong)(yong)高(gao)壓無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;地(di)質磚(zhuan)探(tan)用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;石油(you)磚(zhuan)探(tan)用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;石油(you)裂化用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;船舶用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;冷(leng)拔(ba)冷(leng)軋精密(mi)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管;各種合金管。

生產(chan)工藝(yi)來分(fen)，可(ke)分(fen)為(wei)(wei)(wei)熱(re)軋無縫方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、冷撥無縫方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、擠(ji)壓無縫方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、焊接方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)等種(zhong)類(lei)(lei)，其中按焊接工藝(yi)分(fen)又(you)可(ke)分(fen)為(wei)(wei)(wei)電(dian)弧焊和電(dian)阻焊兩種(zhong)方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)，按焊縫分(fen)直縫焊和螺旋焊方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)兩種(zhong)。按生產(chan)標準來分(fen)有國際、日標、英制、美標、歐(ou)標、非(fei)標等不(bu)同(tong)分(fen)類(lei)(lei)，按斷(duan)面(mian)形(xing)狀可(ke)以分(fen)為(wei)(wei)(wei)花型(xing)方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、開口型(xing)方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、波紋型(xing)方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)、異形(xing)方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)，按照表面(mian)處理分(fen)類(lei)(lei)又(you)可(ke)以分(fen)為(wei)(wei)(wei)熱(re)鍍鋅、電(dian)鍍鋅、涂油(you)、酸洗類(lei)(lei)方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)。此外方(fang)(fang)(fang)(fang)(fang)(fang)管(guan)(guan)(guan)(guan)(guan)分(fen)類(lei)(lei)還有從管(guan)(guan)(guan)(guan)(guan)壁厚(hou)度、用途分(fen)類(lei)(lei)等，在這(zhe)里就不(bu)一一介紹了(le)，有興(xing)趣的朋友可(ke)以深(shen)入了(le)解一下。

異(yi)(yi)型(xing)無(wu)縫(feng)方管(guan)(guan)是除了(le)圓管(guan)(guan)以(yi)外的(de)其他截(jie)面(mian)(mian)形狀(zhuang)(zhuang)的(de)API無(wu)縫(feng)鋼(gang)管(guan)(guan)的(de)總稱。按(an)鋼(gang)管(guan)(guan)截(jie)面(mian)(mian)形狀(zhuang)(zhuang)尺寸的(de)不(bu)同又可(ke)分為(wei)等壁厚(hou)異(yi)(yi)型(xing)無(wu)縫(feng)鋼(gang)管(guan)(guan)(代號(hao)(hao)為(wei)D)、不(bu)等壁厚(hou)異(yi)(yi)型(xing)無(wu)縫(feng)鋼(gang)管(guan)(guan)(代號(hao)(hao)為(wei)BD)、變(bian)直徑異(yi)(yi)型(xing)無(wu)縫(feng)鋼(gang)管(guan)(guan)(代號(hao)(hao)為(wei)BJ)。異(yi)(yi)型(xing)無(wu)縫(feng)鋼(gang)管(guan)(guan)廣泛用于各(ge)種結(jie)構件、工具(ju)和機械(xie)零部件。和圓管(guan)(guan)相比，異(yi)(yi)型(xing)管(guan)(guan)一般都(dou)有(you)(you)較大(da)的(de)慣性(xing)矩和截(jie)面(mian)(mian)模數，有(you)(you)較大(da)的(de)抗彎(wan)抗扭能力，可(ke)以(yi)大(da)大(da)減(jian)輕結(jie)構重量(liang)，節約鋼(gang)材。