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，無縫鋼管分圓形(xing)(xing)和(he)異形(xing)(xing)兩種，異形(xing)(xing)管(guan)(guan)(guan)有(you)方形(xing)(xing)、橢圓形(xing)(xing)、三角形(xing)(xing)、六角形(xing)(xing)、瓜子形(xing)(xing)、星形(xing)(xing)、 帶翅管(guan)(guan)(guan)多種復(fu)雜形(xing)(xing)狀。材質：10#，20#，45#，16mn，27simn，12cr1movG，15crmoG，35crmo，42crmo等(deng)。根(gen)據用(yong)(yong)途不同， 有(you)厚壁(bi)管(guan)(guan)(guan)和(he)薄壁(bi)管(guan)(guan)(guan)。無縫鋼管(guan)(guan)(guan)主要用(yong)(yong)做石油地質鉆(zhan)探(tan)管(guan)(guan)(guan)、石油化工用(yong)(yong)的裂化管(guan)(guan)(guan)、鍋 爐管(guan)(guan)(guan)、軸承(cheng)管(guan)(guan)(guan)以及汽車、拖拉機、航空用(yong)(yong)結(jie)構鋼管(guan)(guan)(guan)等(deng)等(deng)。

　　426無縫鋼管按制造工藝分類

　　(1)無縫鋼管的制造工藝(yi)可以分為：熱軋(擠壓)、冷軋(拔)、熱擴鋼管這基本(ben)的幾類。

　　(2)焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)(an)照制造工藝可(ke)以分(fen)(fen)為：直縫焊(han)接鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，螺旋焊(han)接鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、板卷(juan)對接焊(han)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)熱擴鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。按(an)(an)形(xing)(xing)(xing)狀分(fen)(fen)類(lei)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)(an)形(xing)(xing)(xing)狀可(ke)以分(fen)(fen)為:圓(yuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、方形(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、矩(ju)形(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、八(ba)角(jiao)形(xing)(xing)(xing)，六角(jiao)形(xing)(xing)(xing)、D形(xing)(xing)(xing)，五(wu)(wu)角(jiao)形(xing)(xing)(xing)等異形(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、復雜斷面(mian)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，雙凹型(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，五(wu)(wu)瓣梅花形(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，圓(yuan)錐形(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，波(bo)紋形(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，瓜(gua)子形(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，雙凸形(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等。