熱(re)(re)軋無(wu)縫(feng)鋼(gang)管(guan)(guan)主要生產工(gong)序(xu)（主要檢(jian)(jian)驗(yan)(yan)(yan)工(gong)序(xu)）：管(guan)(guan)坯(pi)準備及(ji)檢(jian)(jian)查→管(guan)(guan)坯(pi)加(jia)熱(re)(re)→穿孔→軋管(guan)(guan)→荒管(guan)(guan)再加(jia)熱(re)(re)→定（減）徑→熱(re)(re)處理(li)(li)→成(cheng)品管(guan)(guan)矯直→精(jing)整(zheng)→檢(jian)(jian)驗(yan)(yan)(yan)(無(wu)損(sun)、理(li)(li)化、臺檢(jian)(jian)) →入庫高(gao)壓(ya)鍋(guo)爐用無(wu)縫(feng)管(guan)(guan)（GB5310-2008）是用于制造高(gao)壓(ya)及(ji)其以(yi)上壓(ya)力的水管(guan)(guan)鍋(guo)爐受熱(re)(re)面用的碳素(su)鋼(gang)、合金鋼(gang)和不銹耐(nai)熱(re)(re)鋼(gang)無(wu)縫(feng)管(guan)(guan)。無(wu)縫(feng)管(guan)(guan)工(gong)藝流程：管(guan)(guan)坯(pi)——檢(jian)(jian)驗(yan)(yan)(yan)——剝皮——檢(jian)(jian)驗(yan)(yan)(yan)——加(jia)熱(re)(re)——穿孔——酸(suan)洗(xi)(xi)——修磨(mo)——潤滑風(feng)干——焊頭——冷拔——固溶(rong)處理(li)(li)——酸(suan)洗(xi)(xi)——酸(suan)洗(xi)(xi)鈍化——檢(jian)(jian)驗(yan)(yan)(yan)——冷軋——去油——切(qie)頭——風(feng)干——內(nei)拋光(guang)——外(wai)拋光(guang)——檢(jian)(jian)驗(yan)(yan)(yan)——標(biao)識——成(cheng)品包裝；

異(yi)型(xing)(xing)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管是(shi)除了圓管以外的(de)其他截面(mian)形狀的(de)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管的(de)總稱。按鋼(gang)(gang)(gang)(gang)(gang)管截面(mian)形狀尺寸的(de)不同又可分為(wei)等(deng)壁厚(hou)(hou)異(yi)型(xing)(xing)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管（代(dai)號為(wei)D）、不等(deng)壁厚(hou)(hou)異(yi)型(xing)(xing)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管（代(dai)號為(wei)BD）、變直(zhi)徑異(yi)型(xing)(xing)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管（代(dai)號為(wei)BJ）。高(gao)壓(ya)鍋爐用(yong)(yong)無(wu)(wu)縫(feng)(feng)(feng)管（GB5310-2008）是(shi)用(yong)(yong)于(yu)制(zhi)造(zao)高(gao)壓(ya)及其以上壓(ya)力的(de)水管鍋爐受熱面(mian)用(yong)(yong)的(de)碳素鋼(gang)(gang)(gang)(gang)(gang)、合金鋼(gang)(gang)(gang)(gang)(gang)和不銹耐熱鋼(gang)(gang)(gang)(gang)(gang)無(wu)(wu)縫(feng)(feng)(feng)管。冷(leng)拔(ba)或冷(leng)軋精密(mi)無(wu)(wu)縫(feng)(feng)(feng)管（GB3639-83）是(shi)用(yong)(yong)于(yu)機(ji)械結構(gou)、液壓(ya)設備的(de)尺寸精度(du)高(gao)和表面(mian)光潔度(du)好的(de)冷(leng)拔(ba)或冷(leng)軋精密(mi)無(wu)(wu)縫(feng)(feng)(feng)管。選用(yong)(yong)精密(mi)無(wu)(wu)縫(feng)(feng)(feng)管制(zhi)造(zao)機(ji)械結構(gou)或液壓(ya)設備等(deng)。

使不(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)無(wu)縫管(guan)(guan)安排(pai)(pai)和(he)成分均勻一致(zhi)，這(zhe)對質(zhi)料特別主(zhu)要，因為熱(re)軋(ya)(ya)管(guan)(guan)材(cai)各段的軋(ya)(ya)制(zhi)溫度和(he)冷卻速度不(bu)一樣，鍍(du)鋅無(wu)縫管(guan)(guan)，形(xing)成安排(pai)(pai)結(jie)構不(bu)一致(zhi)。結(jie)構用不(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)無(wu)縫管(guan)(guan)（GB/T14975-2002）是廣泛用于化(hua)工、石油、輕紡、、食(shi)品、機械等(deng)工業(ye)的耐腐蝕(shi)管(guan)(guan)道和(he)結(jie)構件及(ji)零件的不(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)制(zhi)成的熱(re)軋(ya)(ya)（擠、擴）和(he)冷拔（軋(ya)(ya)）無(wu)縫管(guan)(guan)。熱(re)軋(ya)(ya)無(wu)縫管(guan)(guan)一般在(zai)(zai)自動軋(ya)(ya)管(guan)(guan)機組上(shang)生產。實心(xin)管(guan)(guan)坯(pi)經檢查并清除表面(mian)缺陷，無(wu)縫管(guan)(guan)，截(jie)成所需長度，在(zai)(zai)管(guan)(guan)坯(pi)穿(chuan)孔端(duan)端(duan)面(mian)上(shang)定心(xin)，然后送往加熱(re)爐加熱(re)，在(zai)(zai)穿(chuan)孔機上(shang)穿(chuan)孔。