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(減)徑(jing)→調質(zhi)處(chu)理△→制成(cheng)品(pin)管(guan)校直→鑄(zhu)軋→檢(jian)測△(高質(zhi)量、物(wu)理化學(xue)、臺檢(jian)) →進庫
②冷扎(拔)無縫鋼管關鍵生(sheng)產(chan)制造工藝流程(cheng)：
胚料提前準(zhun)備→酸洗(xi)鈍化潤(run)化→冷扎(拔)→調質處理(li)→校(xiao)直(zhi)→鑄(zhu)軋→檢(jian)測 普遍(bian)用以生產制(zhi)造(zao)(zao)零部件(jian)和(he)機(ji)械零件(jian)，如(ru)原(yuan)油鉆具、傳動軸(zhou)、自行車車架及其建筑工(gong)程施工(gong)連用的鋼鋼管腳手架等用無縫鋼管生產制(zhi)造(zao)(zao)環狀零件(jian)，可提升(sheng)原(yuan)材料使用率(lv)，簡單化生產制(zhi)造(zao)(zao)工(gong)藝流程，節省原(yuan)材料和(he)生產加工(gong)綜合工(gong)時，已普遍(bian)用無縫鋼管來生產制(zhi)造(zao)(zao)。
無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)的優勢是耐壓(ya)試驗(yan)高,延展性好(hao),管(guan)(guan)(guan)段長(chang)而插(cha)口少.缺陷是價錢高,易浸蝕,因此(ci)應用(yong)周期短.無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)生產制造的生產加(jia)工(gong)加(jia)工(gong)工(gong)藝可分成冷(leng)拉、冷(leng)扎(zha)、熱(re)扎(zha)、熱(re)擴四種(zhong)(zhong)基礎方法，無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)的材(cai)料為(wei)10 20 35 45#稱之為(wei) 普通(tong)鋼(gang)(gang)管(guan)(guan)(guan)，依照主(zhu)要用(yong)途(tu)分成構造用(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);運輸用(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);加(jia)熱(re)爐(lu)用(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);加(jia)熱(re)爐(lu)用(yong)髙壓(ya)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);有機(ji)肥機(ji)器(qi)設備用(yong)髙壓(ya)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);地質學磚探用(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);原油(you)磚探用(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);原油(you)裂(lie)化(hua)用(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);船只用(yong)無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);冷(leng)拉冷(leng)扎(zha)高精密無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);各(ge)種(zhong)(zhong)各(ge)樣(yang)合金(jin)管(guan)(guan)(guan)。無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)表達方式為(wei)直徑，壁厚，薄壁無(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)適用(yong)于機(ji)械加(jia)工(gong)制造，媒礦，液壓(ya)機(ji)鋼(gang)(gang)，等幾(ji)種(zhong)(zhong)主(zhu)要用(yong)途(tu)。
