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　　厚壁無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)生產(chan)的生產(chan)制造(zao)工藝可分為冷拔(ba)、冷軋、熱軋、熱擴四種基本方式，鋼(gang)(gang)管(guan)(guan)(guan)(guan)的材質(zhi)為10#、20#、35#、45#稱為 普通鋼(gang)(gang)管(guan)(guan)(guan)(guan)，按照用(yong)(yong)(yong)途分為結(jie)構用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);輸送(song)用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);鍋爐(lu)(lu)用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);鍋爐(lu)(lu)用(yong)(yong)(yong)高(gao)壓無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);化肥(fei)設(she)備用(yong)(yong)(yong)高(gao)壓無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);地質(zhi)磚探用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);石油(you)磚探用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);石油(you)裂化用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);船(chuan)舶用(yong)(yong)(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);冷拔(ba)冷軋精密無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);各(ge)種合金管(guan)(guan)(guan)(guan)。無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)表示(shi)方法為外徑，壁厚，厚壁無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)主要用(yong)(yong)(yong)于(yu)機(ji)械加(jia)工，煤礦，液壓鋼(gang)(gang)，等多(duo)種用(yong)(yong)(yong)途。

　　熱軋厚壁無(wu)(wu)(wu)縫鋼(gang)管、冷(leng)軋厚壁無(wu)(wu)(wu)縫鋼(gang)管、冷(leng)拔厚壁無(wu)(wu)(wu)縫鋼(gang)管、擠(ji)壓厚壁無(wu)(wu)(wu)縫鋼(gang)管、頂管

　　結構(gou)用不(bu)(bu)銹鋼(gang)(gang)無縫(feng)鋼(gang)(gang)管(GB/T14975-2002)是用于(yu)一(yi)般結構(gou)和(he)機械(xie)結構(gou)的無縫(feng)鋼(gang)(gang)管，廣(guang)泛用于(yu)化(hua)工、石油、輕紡、醫療(liao)、食(shi)品、機械(xie)等工業(ye)的耐腐蝕管道和(he)結構(gou)件(jian)及(ji)零件(jian)的不(bu)(bu)銹鋼(gang)(gang)制成的熱(re)軋(擠、擴)和(he)冷(leng)拔(軋)無縫(feng)鋼(gang)(gang)管。

　　流體輸(shu)送(song)用不銹(xiu)鋼(gang)無縫鋼(gang)管(GB/T14976-2002)是(shi)用于(yu)輸(shu)送(song)水、油、氣等流體的一般無縫鋼(gang)管，通常是(shi)用不銹(xiu)鋼(gang)制成的熱(re)軋(ya)(擠(ji)、擴(kuo))和(he)冷(leng)拔(ba)(軋(ya))無縫鋼(gang)管。

　　異型(xing)無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)是除了(le)圓管(guan)(guan)(guan)(guan)以(yi)外(wai)的(de)其他截面(mian)形狀的(de)無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)的(de)總稱。按鋼(gang)管(guan)(guan)(guan)(guan)截面(mian)形狀尺(chi)寸的(de)不(bu)同又可(ke)(ke)分為(wei)(wei)等壁(bi)厚異型(xing)無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(代號(hao)為(wei)(wei)D)、不(bu)等壁(bi)厚異型(xing)無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(代號(hao)為(wei)(wei)BD)、變直徑異型(xing)無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(代號(hao)為(wei)(wei)BJ)。異型(xing)無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)廣泛用于各(ge)種結構件、工具和(he)機械零部件。和(he)圓管(guan)(guan)(guan)(guan)相比(bi)，異型(xing)管(guan)(guan)(guan)(guan)一(yi)般都有(you)較大(da)的(de)慣(guan)性矩和(he)截面(mian)模數，有(you)較大(da)的(de)抗(kang)彎抗(kang)扭(niu)能力(li)，可(ke)(ke)以(yi)大(da)大(da)減輕(qing)結構重(zhong)量，節約鋼(gang)材(cai)。