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，無縫鋼管分圓(yuan)形(xing)(xing)和異形(xing)(xing)兩種(zhong)，異形(xing)(xing)管(guan)(guan)有方形(xing)(xing)、橢(tuo)圓(yuan)形(xing)(xing)、三(san)角(jiao)形(xing)(xing)、六角(jiao)形(xing)(xing)、瓜子(zi)形(xing)(xing)、星(xing)形(xing)(xing)、 帶翅管(guan)(guan)多種(zhong)復雜形(xing)(xing)狀。材質：10#，20#，45#，16mn，27simn，12cr1movG，15crmoG，35crmo，42crmo等(deng)。根據用(yong)(yong)(yong)途不同， 有厚(hou)壁(bi)管(guan)(guan)和薄(bo)壁(bi)管(guan)(guan)。無縫鋼管(guan)(guan)主要用(yong)(yong)(yong)做石油地(di)質鉆探(tan)管(guan)(guan)、石油化(hua)工(gong)用(yong)(yong)(yong)的裂化(hua)管(guan)(guan)、鍋 爐(lu)管(guan)(guan)、軸承管(guan)(guan)以及汽車、拖(tuo)拉機、航空(kong)用(yong)(yong)(yong)結構(gou)鋼管(guan)(guan)等(deng)等(deng)。

　　426無縫鋼管按制造工藝分類

　　(1)無縫(feng)鋼管的(de)制造工藝可以分為：熱(re)軋(擠壓)、冷軋(拔)、熱(re)擴鋼管這基本的(de)幾類。

　　(2)焊(han)(han)管(guan)(guan)(guan)(guan)按(an)照制造工藝(yi)可以分為：直縫焊(han)(han)接鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，螺旋焊(han)(han)接鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)、板卷對接焊(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，焊(han)(han)管(guan)(guan)(guan)(guan)熱擴鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)。按(an)形(xing)(xing)(xing)(xing)狀(zhuang)分類鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)按(an)形(xing)(xing)(xing)(xing)狀(zhuang)可以分為:圓(yuan)管(guan)(guan)(guan)(guan)、方形(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)、矩形(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)、八角(jiao)形(xing)(xing)(xing)(xing)，六角(jiao)形(xing)(xing)(xing)(xing)、D形(xing)(xing)(xing)(xing)，五角(jiao)形(xing)(xing)(xing)(xing)等異形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)、復(fu)雜斷面鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，雙凹型鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，五瓣梅花形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，圓(yuan)錐形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，波(bo)紋形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，瓜(gua)子形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，雙凸形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)等。