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(jian))徑→調質(zhi)處(chu)理△→制(zhi)成品管校直(zhi)→鑄軋→檢測△(高質(zhi)量(liang)、物(wu)理化學、臺(tai)檢) →進庫
②冷扎(拔)無縫鋼管關鍵生(sheng)產制造工藝流程：
胚料提(ti)前準(zhun)備(bei)→酸洗鈍化潤化→冷扎(拔)→調質處理→校(xiao)直→鑄(zhu)軋→檢測 普(pu)遍用(yong)(yong)以生(sheng)產(chan)制造零部件(jian)和機械零件(jian)，如原油鉆具、傳動(dong)軸、自(zi)行(xing)車車架及其建筑(zhu)工(gong)(gong)(gong)程施工(gong)(gong)(gong)連用(yong)(yong)的鋼(gang)(gang)鋼(gang)(gang)管腳手架等用(yong)(yong)無縫鋼(gang)(gang)管生(sheng)產(chan)制造環狀零件(jian)，可(ke)提(ti)升原材料使用(yong)(yong)率，簡單化生(sheng)產(chan)制造工(gong)(gong)(gong)藝流(liu)程，節省原材料和生(sheng)產(chan)加工(gong)(gong)(gong)綜合工(gong)(gong)(gong)時，已普(pu)遍用(yong)(yong)無縫鋼(gang)(gang)管來(lai)生(sheng)產(chan)制造。
無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)的優勢是(shi)耐壓(ya)(ya)試驗高,延展性(xing)好,管(guan)(guan)(guan)(guan)段長(chang)而插口少(shao).缺(que)陷是(shi)價(jia)錢高,易浸蝕,因此應用(yong)(yong)(yong)(yong)(yong)周期短.無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)生產(chan)制(zhi)造的生產(chan)加(jia)(jia)工加(jia)(jia)工工藝(yi)可分成冷(leng)拉(la)、冷(leng)扎(zha)、熱(re)扎(zha)、熱(re)擴四(si)種(zhong)基(ji)礎方(fang)法，無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)的材料為(wei)10 20 35 45#稱之為(wei) 普通鋼(gang)(gang)管(guan)(guan)(guan)(guan)，依(yi)照主(zhu)要用(yong)(yong)(yong)(yong)(yong)途分成構造用(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);運輸(shu)用(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);加(jia)(jia)熱(re)爐用(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);加(jia)(jia)熱(re)爐用(yong)(yong)(yong)(yong)(yong)髙壓(ya)(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);有(you)機肥機器設(she)備用(yong)(yong)(yong)(yong)(yong)髙壓(ya)(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);地質學(xue)磚探(tan)用(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);原(yuan)油磚探(tan)用(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);原(yuan)油裂化用(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);船只用(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);冷(leng)拉(la)冷(leng)扎(zha)高精密無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan);各(ge)種(zhong)各(ge)樣(yang)合(he)金管(guan)(guan)(guan)(guan)。無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)表達方(fang)式(shi)為(wei)直徑，壁厚，薄(bo)壁無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)適用(yong)(yong)(yong)(yong)(yong)于機械加(jia)(jia)工制(zhi)造，媒礦，液壓(ya)(ya)機鋼(gang)(gang)，等(deng)幾種(zhong)主(zhu)要用(yong)(yong)(yong)(yong)(yong)途。
