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)(xing)(xing)和(he)異(yi)形(xing)(xing)(xing)兩(liang)種，異(yi)形(xing)(xing)(xing)管(guan)(guan)(guan)有方形(xing)(xing)(xing)、橢(tuo)圓形(xing)(xing)(xing)、三角形(xing)(xing)(xing)、六角形(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)、星形(xing)(xing)(xing)、 帶翅管(guan)(guan)(guan)多種復雜形(xing)(xing)(xing)狀。材質：10#，20#，45#，16mn，27simn，12cr1movG，15crmoG，35crmo，42crmo等(deng)。根據用(yong)途不同， 有厚(hou)壁管(guan)(guan)(guan)和(he)薄壁管(guan)(guan)(guan)。無(wu)縫鋼管(guan)(guan)(guan)主要用(yong)做石油地質鉆探管(guan)(guan)(guan)、石油化工(gong)用(yong)的裂化管(guan)(guan)(guan)、鍋 爐(lu)管(guan)(guan)(guan)、軸承(cheng)管(guan)(guan)(guan)以及汽(qi)車、拖拉機、航空(kong)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(gang)管(guan)的制(zhi)造工(gong)藝可以分(fen)為：熱(re)軋(擠壓)、冷軋(拔(ba))、熱(re)擴鋼(gang)管(guan)這(zhe)基本的幾(ji)類。

　　(2)焊(han)(han)管(guan)(guan)(guan)(guan)按(an)照(zhao)制造(zao)工藝可(ke)以(yi)分(fen)為(wei)：直縫(feng)焊(han)(han)接(jie)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，螺旋焊(han)(han)接(jie)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)、板卷對接(jie)焊(han)(han)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，焊(han)(han)管(guan)(guan)(guan)(guan)熱擴(kuo)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)。按(an)形(xing)(xing)(xing)(xing)狀(zhuang)分(fen)類鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)按(an)形(xing)(xing)(xing)(xing)狀(zhuang)可(ke)以(yi)分(fen)為(wei):圓(yuan)管(guan)(guan)(guan)(guan)、方形(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)、矩(ju)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(wu)角(jiao)形(xing)(xing)(xing)(xing)等異(yi)形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)、復雜斷面(mian)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，雙凹型鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)，五(wu)瓣梅花(hua)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。