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→定(減)徑→調(diao)質處(chu)理△→制(zhi)成品(pin)管校直(zhi)→鑄軋→檢測△(高質量、物理化學、臺檢) →進庫
②冷扎(拔)無縫鋼管關(guan)鍵生產制造工藝流(liu)程：
胚料(liao)提前(qian)準備→酸洗鈍化潤化→冷扎(拔)→調(diao)質處(chu)理→校直→鑄(zhu)軋→檢測(ce) 普(pu)遍用以生(sheng)(sheng)(sheng)產制(zhi)造(zao)零部件(jian)(jian)和機械零件(jian)(jian)，如原(yuan)(yuan)油鉆具、傳動軸、自行車(che)車(che)架(jia)(jia)及其建筑工(gong)(gong)程施(shi)工(gong)(gong)連用的鋼鋼管(guan)腳(jiao)手架(jia)(jia)等用無(wu)縫鋼管(guan)生(sheng)(sheng)(sheng)產制(zhi)造(zao)環狀零件(jian)(jian)，可(ke)提升原(yuan)(yuan)材料(liao)使用率，簡單化生(sheng)(sheng)(sheng)產制(zhi)造(zao)工(gong)(gong)藝流程，節省(sheng)原(yuan)(yuan)材料(liao)和生(sheng)(sheng)(sheng)產加工(gong)(gong)綜合工(gong)(gong)時，已普(pu)遍用無(wu)縫鋼管(guan)來生(sheng)(sheng)(sheng)產制(zhi)造(zao)。
無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)優勢是(shi)耐(nai)壓(ya)試驗高(gao),延展性好,管(guan)(guan)(guan)(guan)段長而插口(kou)少.缺(que)陷(xian)是(shi)價錢高(gao),易浸蝕,因此(ci)應(ying)用(yong)(yong)周(zhou)期(qi)短(duan).無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)生產制造(zao)的(de)生產加(jia)(jia)工加(jia)(jia)工工藝可(ke)分成(cheng)冷拉(la)、冷扎(zha)、熱扎(zha)、熱擴四種(zhong)基(ji)礎方(fang)法，無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)的(de)材料為(wei)(wei)10 20 35 45#稱之(zhi)為(wei)(wei) 普通鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，依照主要用(yong)(yong)途分成(cheng)構造(zao)用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);運輸用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);加(jia)(jia)熱爐用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);加(jia)(jia)熱爐用(yong)(yong)髙壓(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);有機(ji)(ji)肥(fei)機(ji)(ji)器(qi)設備用(yong)(yong)髙壓(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);地質學(xue)磚探用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);原(yuan)油(you)磚探用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);原(yuan)油(you)裂化用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);船只用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);冷拉(la)冷扎(zha)高(gao)精密無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan);各種(zhong)各樣合金(jin)管(guan)(guan)(guan)(guan)。無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)表達方(fang)式為(wei)(wei)直(zhi)徑(jing)，壁厚，薄壁無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)適用(yong)(yong)于機(ji)(ji)械加(jia)(jia)工制造(zao)，媒(mei)礦，液壓(ya)機(ji)(ji)鋼(gang)(gang)(gang)，等幾種(zhong)主要用(yong)(yong)途。
