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)和(he)異形(xing)兩種(zhong)(zhong)，異形(xing)管(guan)(guan)有方形(xing)、橢圓形(xing)、三角形(xing)、六角形(xing)、瓜子形(xing)、星形(xing)、 帶翅管(guan)(guan)多種(zhong)(zhong)復雜形(xing)狀。材(cai)質：10#，20#，45#，16mn，27simn，12cr1movG，15crmoG，35crmo，42crmo等(deng)。根據用(yong)途(tu)不同(tong)， 有厚壁管(guan)(guan)和(he)薄壁管(guan)(guan)。無縫鋼管(guan)(guan)主要用(yong)做石(shi)油(you)地質鉆探(tan)管(guan)(guan)、石(shi)油(you)化工(gong)用(yong)的裂化管(guan)(guan)、鍋 爐管(guan)(guan)、軸承管(guan)(guan)以及汽車、拖拉(la)機、航(hang)空(kong)用(yong)結構鋼管(guan)(guan)等(deng)等(deng)。

　　426無縫鋼管按制造工藝分類

　　(1)無縫鋼管的(de)制造工藝可以(yi)分為：熱軋(擠(ji)壓)、冷軋(拔(ba))、熱擴鋼管這基本的(de)幾類。

　　(2)焊(han)(han)管(guan)(guan)(guan)(guan)(guan)按照制(zhi)造(zao)工藝可以(yi)(yi)分(fen)為：直縫焊(han)(han)接(jie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，螺(luo)旋焊(han)(han)接(jie)鋼(gang)管(guan)(guan)(guan)(guan)(guan)、板卷對接(jie)焊(han)(han)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，焊(han)(han)管(guan)(guan)(guan)(guan)(guan)熱擴鋼(gang)管(guan)(guan)(guan)(guan)(guan)。按形(xing)(xing)(xing)(xing)狀分(fen)類鋼(gang)管(guan)(guan)(guan)(guan)(guan)按形(xing)(xing)(xing)(xing)狀可以(yi)(yi)分(fen)為:圓(yuan)管(guan)(guan)(guan)(guan)(guan)、方形(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)、矩(ju)形(xing)(xing)(xing)(xing)管(guan)(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)管(guan)(guan)(guan)(guan)(guan)、復(fu)雜斷面鋼(gang)管(guan)(guan)(guan)(guan)(guan)，雙(shuang)凹型(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，五瓣梅花(hua)形(xing)(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，圓(yuan)錐形(xing)(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，波紋形(xing)(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，瓜子形(xing)(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)，雙(shuang)凸形(xing)(xing)(xing)(xing)鋼(gang)管(guan)(guan)(guan)(guan)(guan)等。