426無縫鋼管24小時裝貨

　　426無縫鋼管是由整塊金屬制成的，表面上沒有接縫的鋼管，稱為無縫鋼管。根據生產方法，無縫管分熱軋管、冷軋管、冷拔管、擠壓管、頂管等。按照斷面形狀，無縫鋼管分(fen)圓形(xing)和異(yi)形(xing)兩(liang)種(zhong)，異(yi)形(xing)管(guan)(guan)(guan)有(you)方形(xing)、橢圓形(xing)、三(san)角(jiao)形(xing)、六角(jiao)形(xing)、瓜子(zi)形(xing)、星(xing)形(xing)、 帶翅管(guan)(guan)(guan)多種(zhong)復雜(za)形(xing)狀。材質(zhi)：10#，20#，45#，16mn，27simn，12cr1movG，15crmoG，35crmo，42crmo等(deng)。根(gen)據用(yong)途(tu)不同(tong)， 有(you)厚壁管(guan)(guan)(guan)和薄壁管(guan)(guan)(guan)。無(wu)縫鋼管(guan)(guan)(guan)主要用(yong)做石油(you)地質(zhi)鉆探管(guan)(guan)(guan)、石油(you)化(hua)(hua)工用(yong)的裂化(hua)(hua)管(guan)(guan)(guan)、鍋 爐管(guan)(guan)(guan)、軸承管(guan)(guan)(guan)以及汽車、拖拉(la)機、航空用(yong)結構鋼管(guan)(guan)(guan)等(deng)等(deng)。

　　426無縫鋼管按制造工藝分類

　　(1)無縫鋼管的制造工(gong)藝可(ke)以分為：熱軋(擠壓)、冷軋(拔(ba))、熱擴(kuo)鋼管這(zhe)基(ji)本的幾類。

　　(2)焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)照(zhao)制造工(gong)藝可以分(fen)為：直縫焊(han)接鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，螺旋焊(han)接鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、板卷對接焊(han)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)熱擴(kuo)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。按(an)形(xing)(xing)(xing)狀(zhuang)分(fen)類鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)形(xing)(xing)(xing)狀(zhuang)可以分(fen)為:圓(yuan)(yuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、方形(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、矩形(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、八角(jiao)(jiao)形(xing)(xing)(xing)，六角(jiao)(jiao)形(xing)(xing)(xing)、D形(xing)(xing)(xing)，五角(jiao)(jiao)形(xing)(xing)(xing)等異形(xing)(xing)(xing)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、復雜斷面(mian)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，雙凹型鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，五瓣梅(mei)花形(xing)(xing)(xing)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，圓(yuan)(yuan)錐形(xing)(xing)(xing)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，波紋(wen)形(xing)(xing)(xing)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，瓜子形(xing)(xing)(xing)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，雙凸形(xing)(xing)(xing)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等。