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)徑→調質處(chu)理△→制成(cheng)品(pin)管校直(zhi)→鑄軋(ya)→檢測△(高(gao)質量、物理化(hua)學、臺檢) →進(jin)庫
②冷扎(拔)無縫鋼管關鍵(jian)生(sheng)產制(zhi)造(zao)工藝流程(cheng)：
胚(pei)料提前準備(bei)→酸(suan)洗鈍化潤(run)化→冷扎(拔)→調質處(chu)理→校直→鑄軋(ya)→檢測(ce) 普(pu)遍用以生(sheng)產制(zhi)造(zao)零部件(jian)和(he)機(ji)械零件(jian)，如原油鉆具、傳(chuan)動軸、自(zi)行(xing)車(che)車(che)架及其建筑(zhu)工(gong)(gong)程施(shi)工(gong)(gong)連用的鋼鋼管(guan)腳手架等用無縫(feng)(feng)鋼管(guan)生(sheng)產制(zhi)造(zao)環(huan)狀零件(jian)，可提升原材(cai)料使用率，簡單化生(sheng)產制(zhi)造(zao)工(gong)(gong)藝流(liu)程，節省原材(cai)料和(he)生(sheng)產加(jia)工(gong)(gong)綜(zong)合工(gong)(gong)時，已普(pu)遍用無縫(feng)(feng)鋼管(guan)來生(sheng)產制(zhi)造(zao)。
無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)的優勢是(shi)耐壓(ya)(ya)試驗高(gao),延展性好,管(guan)(guan)(guan)(guan)段長(chang)而插口少.缺陷(xian)是(shi)價錢高(gao),易浸蝕,因此(ci)應(ying)用周期短.無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)生(sheng)產(chan)制(zhi)造(zao)的生(sheng)產(chan)加(jia)(jia)工(gong)加(jia)(jia)工(gong)工(gong)藝可分成(cheng)冷(leng)拉(la)、冷(leng)扎(zha)、熱(re)扎(zha)、熱(re)擴四種基礎方法，無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)的材料為10 20 35 45#稱(cheng)之為 普通鋼(gang)管(guan)(guan)(guan)(guan)，依照主要用途分成(cheng)構造(zao)用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);運輸(shu)用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);加(jia)(jia)熱(re)爐用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);加(jia)(jia)熱(re)爐用髙壓(ya)(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);有(you)機肥(fei)機器(qi)設(she)備用髙壓(ya)(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);地質學磚探用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);原油磚探用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);原油裂化用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);船只(zhi)用無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);冷(leng)拉(la)冷(leng)扎(zha)高(gao)精密無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan);各種各樣合金管(guan)(guan)(guan)(guan)。無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)表(biao)達方式(shi)為直徑，壁厚，薄壁無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)適(shi)用于機械加(jia)(jia)工(gong)制(zhi)造(zao)，媒礦，液壓(ya)(ya)機鋼(gang)，等幾種主要用途。
