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(ding)(減)徑→調質(zhi)處理△→制成品管校直(zhi)→鑄軋(ya)→檢測(ce)△(高質(zhi)量、物理化學(xue)、臺檢) →進庫
②冷扎(拔)無縫鋼管關鍵生產制造工藝流(liu)程(cheng)：
胚料(liao)(liao)提(ti)前準備→酸洗(xi)鈍化(hua)潤(run)化(hua)→冷扎(拔)→調質處理(li)→校直→鑄(zhu)軋(ya)→檢測 普(pu)遍(bian)(bian)用以生(sheng)產制造零部件(jian)和機械零件(jian)，如原(yuan)(yuan)油鉆具、傳動(dong)軸、自行車(che)(che)車(che)(che)架(jia)及其建(jian)筑(zhu)工(gong)(gong)程施工(gong)(gong)連用的(de)鋼(gang)(gang)鋼(gang)(gang)管(guan)(guan)腳手架(jia)等用無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)生(sheng)產制造環狀零件(jian)，可提(ti)升原(yuan)(yuan)材(cai)料(liao)(liao)使用率(lv)，簡單化(hua)生(sheng)產制造工(gong)(gong)藝(yi)流程，節省原(yuan)(yuan)材(cai)料(liao)(liao)和生(sheng)產加工(gong)(gong)綜合(he)工(gong)(gong)時，已普(pu)遍(bian)(bian)用無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)來生(sheng)產制造。
無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)的優勢是耐壓試驗高,延展性好,管(guan)段長而插口少.缺陷(xian)是價錢(qian)高,易浸蝕,因(yin)此應(ying)用(yong)(yong)周期短.無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)生產制造的生產加(jia)(jia)工(gong)加(jia)(jia)工(gong)工(gong)藝可分(fen)(fen)成(cheng)冷(leng)拉(la)(la)、冷(leng)扎、熱(re)扎、熱(re)擴四種基(ji)礎(chu)方(fang)法，無(wu)(wu)(wu)(wu)縫(feng)(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)，依照主要(yao)用(yong)(yong)途(tu)分(fen)(fen)成(cheng)構造用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);運輸用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);加(jia)(jia)熱(re)爐用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);加(jia)(jia)熱(re)爐用(yong)(yong)髙壓無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);有機(ji)肥機(ji)器設備用(yong)(yong)髙壓無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);地質學磚探(tan)(tan)用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);原油磚探(tan)(tan)用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);原油裂化(hua)用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);船只(zhi)用(yong)(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);冷(leng)拉(la)(la)冷(leng)扎高精密無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan);各種各樣合金管(guan)。無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)表達方(fang)式為直徑，壁厚，薄(bo)壁無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)適用(yong)(yong)于機(ji)械加(jia)(jia)工(gong)制造，媒礦，液壓機(ji)鋼(gang)(gang)(gang)，等幾種主要(yao)用(yong)(yong)途(tu)。
