一(yi)(yi)般用無縫(feng)(feng)(feng)(feng)管(guan)(guan)是(shi)用10、20、30、35、45等碳結鋼(gang)16Mn、5MnV等低(di)合(he)金(jin)結構(gou)鋼(gang)或(huo)40Cr、30CrMnSi、45Mn2、40MnB等合(he)結鋼(gang)熱軋或(huo)冷軋制成(cheng)的(de)(de)。不銹鋼(gang)無縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)是(shi)一(yi)(yi)種(zhong)(zhong)具有中空截面、周邊沒(mei)(mei)有接(jie)縫(feng)(feng)(feng)(feng)的(de)(de)長條鋼(gang)材。 關于(yu)不銹鋼(gang)無縫(feng)(feng)(feng)(feng)管(guan)(guan)而言，304無縫(feng)(feng)(feng)(feng)管(guan)(guan)，固溶處理的(de)(de)3個要素是(shi)溫度(du)、保溫時間和冷卻速度(du)。不銹鋼(gang)無縫(feng)(feng)(feng)(feng)鋼(gang)管(guan)(guan)是(shi)一(yi)(yi)種(zhong)(zhong)具有中空截面、周邊沒(mei)(mei)有接(jie)縫(feng)(feng)(feng)(feng)的(de)(de)長條鋼(gang)材。合(he)金(jin)無縫(feng)(feng)(feng)(feng)管(guan)(guan)的(de)(de)密封性更加好(hao)一(yi)(yi)些(xie)(xie)，用于(yu)流體輸送管(guan)(guan)道(dao)來(lai)說(shuo)是(shi)一(yi)(yi)款的(de)(de)產品，熱軋無縫(feng)(feng)(feng)(feng)管(guan)(guan)，例如用于(yu)石(shi)油(you)、自來(lai)水、等等這些(xie)(xie)領域的(de)(de)管(guan)(guan)道(dao)，合(he)肥無縫(feng)(feng)(feng)(feng)管(guan)(guan)，需(xu)要長年埋(mai)在(zai)地下，則基本上不會出現(xian)滲漏現(xian)象，能夠(gou)降低(di)資源(yuan)的(de)(de)損耗(hao)；合(he)金(jin)無縫(feng)(feng)(feng)(feng)管(guan)(guan)顧名思(si)義就是(shi)用不同的(de)(de)金(jin)屬材質合(he)成(cheng)在(zai)一(yi)(yi)起制成(cheng)的(de)(de)無縫(feng)(feng)(feng)(feng)管(guan)(guan)。

一(yi)般(ban)用(yong)無(wu)縫(feng)(feng)管(guan)(guan)要保證強度(du)和壓扁試驗。熱(re)(re)軋(ya)(ya)(ya)鋼(gang)管(guan)(guan)以(yi)熱(re)(re)軋(ya)(ya)(ya)狀(zhuang)(zhuang)態或熱(re)(re)處(chu)理狀(zhuang)(zhuang)態交貨(huo)；冷(leng)軋(ya)(ya)(ya)以(yi)熱(re)(re)以(yi)熱(re)(re)處(chu)理狀(zhuang)(zhuang)態交貨(huo)。無(wu)縫(feng)(feng)管(guan)(guan)的(de)(de)(de)生(sheng)產(chan)方(fang)法(fa)很多。無(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)根(gen)據交貨(huo)要求，可(ke)用(yong)熱(re)(re)軋(ya)(ya)(ya)(約(yue)(yue)占80～90％)或冷(leng)軋(ya)(ya)(ya)、冷(leng)拔（約(yue)(yue)占10～20％）方(fang)法(fa)生(sheng)產(chan)。熱(re)(re)軋(ya)(ya)(ya)管(guan)(guan)用(yong)的(de)(de)(de)坯(pi)料(liao)有(you)圓形、方(fang)形或多邊形的(de)(de)(de)錠、軋(ya)(ya)(ya)坯(pi)或連鑄管(guan)(guan)坯(pi)，管(guan)(guan)坯(pi)質量對管(guan)(guan)材質量有(you)直接的(de)(de)(de)影響。合金無(wu)縫(feng)(feng)管(guan)(guan)其實是在(zai)傳統的(de)(de)(de)無(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)基礎之上發(fa)展(zhan)而來(lai)的(de)(de)(de)一(yi)種產(chan)品，其自身具備的(de)(de)(de)一(yi)些特(te)點自然也是在(zai)傳統無(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)產(chan)品上有(you)很大的(de)(de)(de)進(jin)步和優化。

熱(re)(re)軋(ya)無縫鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)主要生(sheng)產工(gong)序（主要檢(jian)(jian)驗工(gong)序）：管(guan)(guan)(guan)(guan)(guan)(guan)坯準(zhun)備及檢(jian)(jian)查(cha)→管(guan)(guan)(guan)(guan)(guan)(guan)坯加(jia)(jia)熱(re)(re)→穿(chuan)孔→軋(ya)管(guan)(guan)(guan)(guan)(guan)(guan)→荒管(guan)(guan)(guan)(guan)(guan)(guan)再(zai)加(jia)(jia)熱(re)(re)→定（減）徑→熱(re)(re)處(chu)理→成(cheng)品管(guan)(guan)(guan)(guan)(guan)(guan)矯直→精(jing)整→檢(jian)(jian)驗(無損(sun)、理化、臺檢(jian)(jian)) →入庫高(gao)壓(ya)鍋(guo)爐(lu)用(yong)無縫管(guan)(guan)(guan)(guan)(guan)(guan)（GB5310-2008）是用(yong)于制(zhi)造高(gao)壓(ya)及其(qi)以上壓(ya)力的水管(guan)(guan)(guan)(guan)(guan)(guan)鍋(guo)爐(lu)受熱(re)(re)面用(yong)的碳素鋼(gang)、合金鋼(gang)和不銹耐熱(re)(re)鋼(gang)無縫管(guan)(guan)(guan)(guan)(guan)(guan)。無縫管(guan)(guan)(guan)(guan)(guan)(guan)工(gong)藝流程：管(guan)(guan)(guan)(guan)(guan)(guan)坯——檢(jian)(jian)驗——剝(bo)皮——檢(jian)(jian)驗——加(jia)(jia)熱(re)(re)——穿(chuan)孔——酸(suan)洗——修磨(mo)——潤滑風干——焊頭——冷拔——固溶處(chu)理——酸(suan)洗——酸(suan)洗鈍化——檢(jian)(jian)驗——冷軋(ya)——去油——切頭——風干——內拋光(guang)——外拋光(guang)——檢(jian)(jian)驗——標識(shi)——成(cheng)品包裝；