熱(re)(re)軋(ya)(ya)(ya)(ya)無(wu)縫管(guan)(guan)一般在(zai)自動軋(ya)(ya)(ya)(ya)管(guan)(guan)機(ji)組上生(sheng)(sheng)產。實心(xin)管(guan)(guan)坯(pi)(pi)經(jing)檢(jian)(jian)(jian)(jian)(jian)查并(bing)清(qing)除表面缺(que)陷，截(jie)成所需長度，在(zai)管(guan)(guan)坯(pi)(pi)穿孔端(duan)端(duan)面上定(ding)心(xin)，然后送往加熱(re)(re)爐加熱(re)(re)，在(zai)穿孔機(ji)上穿孔。無(wu)縫管(guan)(guan)工藝流(liu)程：管(guan)(guan)坯(pi)(pi)——檢(jian)(jian)(jian)(jian)(jian)驗(yan)——剝皮——檢(jian)(jian)(jian)(jian)(jian)驗(yan)——加熱(re)(re)——穿孔——酸(suan)(suan)洗——修磨——潤滑(hua)風干——焊頭——冷拔(ba)——固溶處理(li)——酸(suan)(suan)洗——酸(suan)(suan)洗鈍(dun)化——檢(jian)(jian)(jian)(jian)(jian)驗(yan)——冷軋(ya)(ya)(ya)(ya)——去油——切(qie)頭——風干——內拋光——外拋光——檢(jian)(jian)(jian)(jian)(jian)驗(yan)——標識——成品包裝；冷軋(ya)(ya)(ya)(ya)（拔(ba)）無(wu)縫鋼管(guan)(guan)主要(yao)生(sheng)(sheng)產工序坯(pi)(pi)料(liao)準備→酸(suan)(suan)洗潤滑(hua)→冷軋(ya)(ya)(ya)(ya)（拔(ba)）→熱(re)(re)處理(li)→矯直(zhi)→精整→檢(jian)(jian)(jian)(jian)(jian)驗(yan)；

無(wu)(wu)縫(feng)管(guan)的(de)(de)(de)外(wai)徑范圍為 0.1～1425mm，無(wu)(wu)縫(feng)管(guan)，壁厚為0.01～200mm。除圓(yuan)形(xing)管(guan)外(wai)，無(wu)(wu)縫(feng)管(guan)價格(ge)，還有各(ge)種異形(xing)斷(duan)面(mian)管(guan)和交斷(duan)面(mian)管(guan)。熱(re)(re)(re)軋(ya)無(wu)(wu)縫(feng)鋼(gang)管(guan)主(zhu)要(yao)生產工序（主(zhu)要(yao)檢(jian)驗工序）：管(guan)坯準(zhun)備及(ji)檢(jian)查(cha)→管(guan)坯加熱(re)(re)(re)→穿(chuan)孔(kong)→軋(ya)管(guan)→荒管(guan)再加熱(re)(re)(re)→定(ding)（減）徑→熱(re)(re)(re)處理→成品管(guan)矯直→精整→檢(jian)驗(無(wu)(wu)損、理化、臺檢(jian)) →入庫異型(xing)無(wu)(wu)縫(feng)鋼(gang)管(guan)是(shi)除了圓(yuan)管(guan)以外(wai)的(de)(de)(de)其他截(jie)面(mian)形(xing)狀的(de)(de)(de)無(wu)(wu)縫(feng)鋼(gang)管(guan)的(de)(de)(de)總稱。按鋼(gang)管(guan)截(jie)面(mian)形(xing)狀尺(chi)寸的(de)(de)(de)不同又可分為等(deng)壁厚異型(xing)無(wu)(wu)縫(feng)鋼(gang)管(guan)（代(dai)號(hao)為D）、不等(deng)壁厚異型(xing)無(wu)(wu)縫(feng)鋼(gang)管(guan)（代(dai)號(hao)為BD）、變直徑異型(xing)無(wu)(wu)縫(feng)鋼(gang)管(guan)（代(dai)號(hao)為BJ）。

使不(bu)(bu)銹(xiu)鋼(gang)無(wu)縫(feng)(feng)(feng)管(guan)(guan)安排(pai)和(he)成(cheng)分均勻一致(zhi)，這對質(zhi)料特別主要，因為熱軋管(guan)(guan)材各段的(de)(de)(de)軋制溫度和(he)冷卻速度不(bu)(bu)一樣，形成(cheng)安排(pai)結(jie)構不(bu)(bu)一致(zhi)。鋼(gang)管(guan)(guan)內外表(biao)面不(bu)(bu)得有裂縫(feng)(feng)(feng)、折疊、龜(gui)裂、裂紋、軋折、離層和(he)結(jie)疤缺陷(xian)存在，不(bu)(bu)銹(xiu)鋼(gang)無(wu)縫(feng)(feng)(feng)管(guan)(guan)廠(chang)家，這些缺陷(xian)應完全清除掉(供機械加(jia)工(gong)用(yong)管(guan)(guan)除外)，清除后(hou)不(bu)(bu)得使壁厚(hou)和(he)外徑超過負偏差(cha)。凡(fan)不(bu)(bu)超過允(yun)許負偏差(cha)的(de)(de)(de)其他輕(qing)微表(biao)面缺陷(xian)可不(bu)(bu)清除。它就(jiu)越具(ju)有經(jing)濟(ji)性(xing)和(he)實用(yong)性(xing)，不(bu)(bu)銹(xiu)鋼(gang)無(wu)縫(feng)(feng)(feng)管(guan)(guan)批發，壁厚(hou)越薄(bo)，它的(de)(de)(de)加(jia)工(gong)成(cheng)本就(jiu)會大幅度的(de)(de)(de)上升；其次、該產品的(de)(de)(de)工(gong)藝決定它的(de)(de)(de)局限性(xing)能，一般無(wu)縫(feng)(feng)(feng)鋼(gang)管(guan)(guan)精(jing)度低(di)：