無縫鋼管的光亮熱處理

　　為了防止氧化鐵皮的生成以及無縫鋼管的脫破或增碳，有時把無縫鋼管裝在密閉器中進行熱處(chu)(chu)理(li)，或者在通有保護氣體的熱處(chu)(chu)理(li)爐(lu)及真空熱處(chu)(chu)理(li)爐(lu)中進行熱處(chu)(chu)理(li)。熱處(chu)(chu)理(li)后無(wu)縫鋼管表面(mian)無(wu)氧化層(ceng)，光(guang)亮(liang)，故(gu)稱為(wei)光(guang)亮(liang)熱處(chu)(chu)理(li)。

　　無錫(xi)澤發(fa)廠家今(jin)天主要給大家介紹(shao)一(yi)(yi)下，無縫鋼管的制作(zuo)工藝(yi)，有(you)熱軋和冷軋這兩種(zhong)，下面一(yi)(yi)起(qi)來了(le)解一(yi)(yi)下吧。

　　熱(re)(re)軋(ya)(擠壓無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan))：圓管(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯—加熱(re)(re)—穿孔—三輥(gun)斜軋(ya)、連軋(ya)或(huo)擠壓—脫管(guan)(guan)(guan)(guan)(guan)(guan)(guan)—定徑(jing)(或(huo)減徑(jing))—冷卻—矯直(zhi)—水壓試驗(或(huo)探(tan)傷)—標記—入庫。無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)用(yong)鋼(gang)(gang)錠或(huo)實(shi)心管(guan)(guan)(guan)(guan)(guan)(guan)(guan)坯經穿孔制成(cheng)毛管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，然后(hou)經熱(re)(re)軋(ya)、冷軋(ya)或(huo)冷撥制成(cheng)。無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的規格用(yong)外徑(jing)*壁厚(hou)毫米數表示。無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)熱(re)(re)軋(ya)和冷軋(ya)(撥)無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)兩類(lei)。熱(re)(re)軋(ya)無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)一般鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，低、中壓鍋爐鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，高(gao)壓鍋爐鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、合金鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、不銹(xiu)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、石油裂(lie)化(hua)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、地質(zhi)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)和其它鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等。

　　冷(leng)(leng)軋(撥)無(wu)縫鋼管(guan)(guan)(guan)(guan)(guan)(guan)除分一般鋼管(guan)(guan)(guan)(guan)(guan)(guan)、低中壓鍋爐鋼管(guan)(guan)(guan)(guan)(guan)(guan)、高壓鍋爐鋼管(guan)(guan)(guan)(guan)(guan)(guan)、合金(jin)鋼管(guan)(guan)(guan)(guan)(guan)(guan)、不銹鋼管(guan)(guan)(guan)(guan)(guan)(guan)、石油裂化管(guan)(guan)(guan)(guan)(guan)(guan)、其它鋼管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)，還包(bao)括碳素薄(bo)壁鋼管(guan)(guan)(guan)(guan)(guan)(guan)、合金(jin)薄(bo)壁鋼管(guan)(guan)(guan)(guan)(guan)(guan)、不銹薄(bo)壁鋼管(guan)(guan)(guan)(guan)(guan)(guan)、異(yi)型鋼管(guan)(guan)(guan)(guan)(guan)(guan)。無(wu)縫鋼管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)徑(jing)一般大于32mm，壁厚(hou)2.5-75mm，冷(leng)(leng)軋無(wu)縫鋼管(guan)(guan)(guan)(guan)(guan)(guan)處徑(jing)可(ke)以到6mm，壁厚(hou)可(ke)到0.25mm，薄(bo)壁管(guan)(guan)(guan)(guan)(guan)(guan)外(wai)徑(jing)可(ke)到5mm壁厚(hou)小于0.25mm，冷(leng)(leng)軋比熱軋尺寸精(jing)度高。