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)(xing)(xing)和異(yi)形(xing)(xing)(xing)(xing)兩種，異(yi)形(xing)(xing)(xing)(xing)管(guan)(guan)有方形(xing)(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)(xing)、三角形(xing)(xing)(xing)(xing)、六角形(xing)(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)(xing)、星(xing)形(xing)(xing)(xing)(xing)、 帶翅管(guan)(guan)多種復雜(za)形(xing)(xing)(xing)(xing)狀。材質：10#，20#，45#，16mn，27simn，12cr1movG，15crmoG，35crmo，42crmo等(deng)。根據用途不同， 有厚壁管(guan)(guan)和薄(bo)壁管(guan)(guan)。無(wu)縫鋼管(guan)(guan)主要用做石(shi)油地質鉆探管(guan)(guan)、石(shi)油化工用的裂化管(guan)(guan)、鍋 爐管(guan)(guan)、軸承(cheng)管(guan)(guan)以及(ji)汽車、拖拉機、航空用結(jie)構鋼管(guan)(guan)等(deng)等(deng)。

　　426無縫鋼管按制造工藝分類

　　(1)無(wu)縫鋼管的(de)制造工藝可以分為：熱軋(擠壓)、冷軋(拔)、熱擴鋼管這基本(ben)的(de)幾類。

　　(2)焊(han)管(guan)(guan)(guan)(guan)(guan)按照制造工藝可以分為：直縫(feng)焊(han)接(jie)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，螺旋焊(han)接(jie)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、板卷對接(jie)焊(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，焊(han)管(guan)(guan)(guan)(guan)(guan)熱擴鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。按形(xing)(xing)(xing)(xing)狀分類(lei)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)按形(xing)(xing)(xing)(xing)狀可以分為:圓管(guan)(guan)(guan)(guan)(guan)、方形(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)、矩形(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)、八角形(xing)(xing)(xing)(xing)，六角形(xing)(xing)(xing)(xing)、D形(xing)(xing)(xing)(xing)，五角形(xing)(xing)(xing)(xing)等異形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、復雜斷面鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，雙凹型鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，五瓣梅花形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，圓錐形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，波(bo)紋(wen)形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，瓜(gua)子形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，雙凸形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)等。