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(zai)加(jia)溫→定(減(jian))徑→調質處理(li)△→制成(cheng)品管校直→鑄軋→檢測△(高質量(liang)、物理(li)化學、臺(tai)檢) →進庫
②冷扎(拔)無縫鋼管關鍵生產制造工(gong)藝流程：
胚料(liao)提(ti)前準備→酸洗(xi)鈍化潤化→冷扎(拔(ba))→調質處理→校直→鑄軋→檢測 普(pu)遍用以生(sheng)(sheng)產(chan)制(zhi)(zhi)造(zao)零(ling)部(bu)件(jian)和機械零(ling)件(jian)，如原油鉆具、傳動(dong)軸、自行車車架(jia)及其建(jian)筑工(gong)程(cheng)(cheng)施工(gong)連用的鋼鋼管(guan)(guan)腳手架(jia)等用無(wu)縫(feng)鋼管(guan)(guan)生(sheng)(sheng)產(chan)制(zhi)(zhi)造(zao)環狀零(ling)件(jian)，可提(ti)升原材料(liao)使用率，簡單化生(sheng)(sheng)產(chan)制(zhi)(zhi)造(zao)工(gong)藝流程(cheng)(cheng)，節省(sheng)原材料(liao)和生(sheng)(sheng)產(chan)加工(gong)綜合工(gong)時，已普(pu)遍用無(wu)縫(feng)鋼管(guan)(guan)來生(sheng)(sheng)產(chan)制(zhi)(zhi)造(zao)。
無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)的優勢是耐壓(ya)試驗高,延展(zhan)性(xing)好,管(guan)段長(chang)而插口少.缺(que)陷是價錢(qian)高,易浸蝕,因此(ci)應用周期(qi)短.無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)生產制造的生產加(jia)工(gong)加(jia)工(gong)工(gong)藝可分(fen)成冷拉、冷扎(zha)、熱(re)扎(zha)、熱(re)擴(kuo)四種基礎方法，無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)的材料為10 20 35 45#稱之為 普通鋼(gang)(gang)(gang)管(guan)，依(yi)照主要用途分(fen)成構造用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);運輸用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);加(jia)熱(re)爐用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);加(jia)熱(re)爐用髙壓(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);有機肥(fei)機器設備用髙壓(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);地質學磚(zhuan)探(tan)(tan)用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);原(yuan)油(you)磚(zhuan)探(tan)(tan)用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);原(yuan)油(you)裂化用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);船只用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);冷拉冷扎(zha)高精(jing)密(mi)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);各(ge)種各(ge)樣合金管(guan)。無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)表達方式為直徑，壁厚，薄壁無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)適用于(yu)機械加(jia)工(gong)制造，媒礦，液壓(ya)機鋼(gang)(gang)(gang)，等(deng)幾種主要用途。
