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)和異形(xing)(xing)兩種(zhong)，異形(xing)(xing)管(guan)(guan)(guan)(guan)有(you)方形(xing)(xing)、橢圓形(xing)(xing)、三角形(xing)(xing)、六(liu)角形(xing)(xing)、瓜子(zi)形(xing)(xing)、星形(xing)(xing)、 帶翅(chi)管(guan)(guan)(guan)(guan)多種(zhong)復雜形(xing)(xing)狀。材質(zhi)：10#，20#，45#，16mn，27simn，12cr1movG，15crmoG，35crmo，42crmo等。根據用(yong)途不同(tong)， 有(you)厚壁(bi)管(guan)(guan)(guan)(guan)和薄壁(bi)管(guan)(guan)(guan)(guan)。無縫鋼管(guan)(guan)(guan)(guan)主要用(yong)做石油地質(zhi)鉆探管(guan)(guan)(guan)(guan)、石油化(hua)(hua)工用(yong)的(de)裂化(hua)(hua)管(guan)(guan)(guan)(guan)、鍋 爐管(guan)(guan)(guan)(guan)、軸承管(guan)(guan)(guan)(guan)以及汽(qi)車、拖拉機(ji)、航空用(yong)結構鋼管(guan)(guan)(guan)(guan)等等。

　　426無縫鋼管按制造工藝分類

　　(1)無縫鋼(gang)管(guan)的制(zhi)造(zao)工(gong)藝(yi)可以分為：熱軋(擠壓)、冷(leng)軋(拔)、熱擴鋼(gang)管(guan)這基本的幾類。

　　(2)焊管(guan)(guan)(guan)(guan)(guan)按照制(zhi)造工藝可(ke)以(yi)分(fen)(fen)為(wei)：直縫焊接(jie)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，螺(luo)旋焊接(jie)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、板卷對接(jie)焊鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，焊管(guan)(guan)(guan)(guan)(guan)熱(re)擴(kuo)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)。按形(xing)狀(zhuang)分(fen)(fen)類鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)按形(xing)狀(zhuang)可(ke)以(yi)分(fen)(fen)為(wei):圓管(guan)(guan)(guan)(guan)(guan)、方形(xing)管(guan)(guan)(guan)(guan)(guan)、矩形(xing)管(guan)(guan)(guan)(guan)(guan)、八角形(xing)，六角形(xing)、D形(xing)，五(wu)角形(xing)等異形(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、復雜斷面鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，雙凹型(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，五(wu)瓣梅花形(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，圓錐形(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，波紋形(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，瓜(gua)子形(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)，雙凸(tu)形(xing)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)等。