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(ding)(減)徑(jing)→調質處理(li)△→制(zhi)成品管校直→鑄軋→檢(jian)測△(高質量、物理(li)化學、臺檢(jian)) →進庫
②冷扎(拔)無縫鋼管關鍵(jian)生產制造工藝(yi)流(liu)程(cheng)：
胚料提前準備→酸洗鈍化潤化→冷(leng)扎(拔)→調(diao)質處(chu)理→校直(zhi)→鑄(zhu)軋→檢測 普遍(bian)用以生產(chan)制(zhi)(zhi)(zhi)造(zao)零部件(jian)和機械零件(jian)，如原油鉆具(ju)、傳(chuan)動軸、自行車車架及(ji)其建筑工程施工連用的(de)鋼(gang)鋼(gang)管(guan)腳手架等(deng)用無(wu)縫鋼(gang)管(guan)生產(chan)制(zhi)(zhi)(zhi)造(zao)環狀(zhuang)零件(jian)，可提升原材料使用率，簡單化生產(chan)制(zhi)(zhi)(zhi)造(zao)工藝流(liu)程，節省原材料和生產(chan)加(jia)工綜合工時，已普遍(bian)用無(wu)縫鋼(gang)管(guan)來生產(chan)制(zhi)(zhi)(zhi)造(zao)。
無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)的(de)優勢是(shi)耐壓(ya)試驗(yan)高(gao),延展性好,管(guan)(guan)段長而插口少.缺(que)陷(xian)是(shi)價錢高(gao),易(yi)浸蝕,因此應用(yong)周期短.無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)生產制(zhi)造(zao)(zao)的(de)生產加(jia)(jia)工加(jia)(jia)工工藝(yi)可分成冷拉、冷扎(zha)(zha)、熱扎(zha)(zha)、熱擴四種(zhong)基礎方法(fa)，無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)的(de)材料(liao)為10 20 35 45#稱之為 普通鋼(gang)(gang)(gang)管(guan)(guan)，依照主要(yao)(yao)用(yong)途分成構造(zao)(zao)用(yong)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);運輸用(yong)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);加(jia)(jia)熱爐用(yong)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);加(jia)(jia)熱爐用(yong)髙壓(ya)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);有(you)機(ji)(ji)肥機(ji)(ji)器設(she)備用(yong)髙壓(ya)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);地質學磚(zhuan)探用(yong)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);原(yuan)油(you)磚(zhuan)探用(yong)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);原(yuan)油(you)裂化用(yong)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);船(chuan)只用(yong)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);冷拉冷扎(zha)(zha)高(gao)精密無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan);各種(zhong)各樣合(he)金管(guan)(guan)。無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)表達(da)方式為直徑(jing)，壁(bi)(bi)厚，薄(bo)壁(bi)(bi)無(wu)(wu)(wu)(wu)(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)適(shi)用(yong)于機(ji)(ji)械(xie)加(jia)(jia)工制(zhi)造(zao)(zao)，媒礦(kuang)，液壓(ya)機(ji)(ji)鋼(gang)(gang)(gang)，等(deng)幾種(zhong)主要(yao)(yao)用(yong)途。
