無縫鋼管：精軋管提前準備及查驗△→精軋管加溫→破孔→軋管→無縫鋼管再加溫(wen)→定(減)徑→調(diao)質處理△→制(zhi)成品管(guan)校直→鑄軋(ya)→檢測△(高質量(liang)、物理化學、臺檢) →進庫
②冷扎(拔)無縫鋼管關鍵生產制造工藝流程：
胚料(liao)提前準備(bei)→酸洗鈍化(hua)潤化(hua)→冷(leng)扎(zha)(拔)→調質處理→校直(zhi)→鑄(zhu)軋(ya)→檢測 普遍用(yong)(yong)(yong)(yong)(yong)以生(sheng)(sheng)產(chan)制(zhi)造(zao)(zao)零(ling)部(bu)件和機械零(ling)件，如原油鉆具(ju)、傳動軸、自行車車架及其建(jian)筑工(gong)(gong)程施工(gong)(gong)連用(yong)(yong)(yong)(yong)(yong)的鋼(gang)鋼(gang)管(guan)腳(jiao)手架等用(yong)(yong)(yong)(yong)(yong)無縫鋼(gang)管(guan)生(sheng)(sheng)產(chan)制(zhi)造(zao)(zao)環(huan)狀零(ling)件，可提升原材料(liao)使用(yong)(yong)(yong)(yong)(yong)率，簡單化(hua)生(sheng)(sheng)產(chan)制(zhi)造(zao)(zao)工(gong)(gong)藝流程，節省原材料(liao)和生(sheng)(sheng)產(chan)加工(gong)(gong)綜合(he)工(gong)(gong)時，已普遍用(yong)(yong)(yong)(yong)(yong)無縫鋼(gang)管(guan)來生(sheng)(sheng)產(chan)制(zhi)造(zao)(zao)。
無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的優勢是耐壓(ya)試驗高,延展(zhan)性(xing)好(hao),管(guan)(guan)(guan)(guan)(guan)段長而(er)插口少.缺陷是價(jia)錢高,易(yi)浸蝕,因此應用(yong)(yong)(yong)周(zhou)期短.無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)生產制造的生產加(jia)工加(jia)工工藝可分(fen)(fen)成冷拉、冷扎(zha)(zha)(zha)、熱(re)扎(zha)(zha)(zha)、熱(re)擴四(si)種基礎(chu)方法，無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)的材料為10 20 35 45#稱之為 普通鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，依照主要用(yong)(yong)(yong)途分(fen)(fen)成構(gou)造用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);運輸用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);加(jia)熱(re)爐用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);加(jia)熱(re)爐用(yong)(yong)(yong)髙(gao)壓(ya)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);有機肥機器設備用(yong)(yong)(yong)髙(gao)壓(ya)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);地質學磚探用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);原(yuan)油(you)(you)磚探用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);原(yuan)油(you)(you)裂化用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);船只(zhi)用(yong)(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);冷拉冷扎(zha)(zha)(zha)高精密無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan);各種各樣合金管(guan)(guan)(guan)(guan)(guan)。無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)表達(da)方式為直(zhi)徑，壁(bi)厚，薄壁(bi)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)適用(yong)(yong)(yong)于機械(xie)加(jia)工制造，媒(mei)礦，液壓(ya)機鋼(gang)(gang)(gang)(gang)，等(deng)幾種主要用(yong)(yong)(yong)途。
