45#無縫鋼管現貨供應

　　45#無縫鋼管的現貨資源目前規格齊全，無縫鋼管用途很廣泛。一般用途的無縫鋼管由普通的碳素結(jie)構鋼(gang)、低(di)合金(jin)結(jie)構鋼(gang)或合金(jin)結(jie)構鋼(gang)軋(ya)制(zhi)，產量最多，主(zhu)要用作(zuo)輸送流體的管道(dao)或結(jie)構零件。

　　根據用途不同(tong)分三類供應：

　　A、按化學成分和(he)機(ji)械性能(neng)供應(ying);

　　B、按機械)性能供應;

　　C、按水壓試驗供應。GB9948無縫鋼管主要用來生產氣動或液壓 元件的產品，如氣缸或油缸，都是用無縫管。45#無縫鋼管的化學(xue)成(cheng)分(fen)有碳C、硅Si、錳(meng)Mn、硫(liu)S、磷P、鉻Cr。GB5310無(wu)(wu)(wu)(wu)縫鋼(gang)管(guan)(guan)按照(zhao)用(yong)途(tu)分(fen)為結構用(yong)無(wu)(wu)(wu)(wu)縫鋼(gang)管(guan)(guan);輸送用(yong)無(wu)(wu)(wu)(wu)縫鋼(gang)管(guan)(guan);鍋(guo)(guo)爐用(yong)無(wu)(wu)(wu)(wu)縫鋼(gang)管(guan)(guan);鍋(guo)(guo)爐用(yong)高壓(ya)無(wu)(wu)(wu)(wu)縫鋼(gang)管(guan)(guan).無(wu)(wu)(wu)(wu)縫鋼(gang)管(guan)(guan)按照(zhao)斷面(mian)形(xing)(xing)(xing)(xing)(xing)狀(zhuang)，無(wu)(wu)(wu)(wu)縫鋼(gang)管(guan)(guan)分(fen)圓形(xing)(xing)(xing)(xing)(xing)和異形(xing)(xing)(xing)(xing)(xing)兩種，異形(xing)(xing)(xing)(xing)(xing)管(guan)(guan)有方形(xing)(xing)(xing)(xing)(xing)、橢(tuo)圓形(xing)(xing)(xing)(xing)(xing)、三角形(xing)(xing)(xing)(xing)(xing)、六(liu)角形(xing)(xing)(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)(xing)(xing)、星形(xing)(xing)(xing)(xing)(xing)、 帶翅管(guan)(guan)多種復雜形(xing)(xing)(xing)(xing)(xing)狀(zhuang)。按

　　A、b類供應的(de)(de)(de)鋼(gang)(gang)管(guan)(guan)(guan)，如用于承受液體(ti)壓力(li)，也要進(jin)行水壓(特指(zhi):壓強)試(shi)驗。3、專門用途的(de)(de)(de)無(wu)(wu)縫(feng)管(guan)(guan)(guan)有(you)(you)鍋(guo)爐用無(wu)(wu)縫(feng)管(guan)(guan)(guan)、化(hua)工(gong)(gong)電力(li)用，地質(zhi)用無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)及(ji)石(shi)油用無(wu)(wu)縫(feng)管(guan)(guan)(guan)等(deng)多種(zhong)。 無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)具有(you)(you)中空截面，大量用作輸送(song)流體(ti)的(de)(de)(de)管(guan)(guan)(guan)道，如輸送(song)石(shi)油、天然氣、煤氣、水及(ji)某些固體(ti)物料的(de)(de)(de)管(guan)(guan)(guan)道等(deng)。鋼(gang)(gang)管(guan)(guan)(guan)與圓鋼(gang)(gang)等(deng)實心鋼(gang)(gang)材相(xiang)比(bi)，在抗彎抗扭強度(du)相(xiang)同時(shi)，重量較輕(qing)，是一種(zhong)經濟截面鋼(gang)(gang)材。 廣(guang)(guang)泛用于制(zhi)造結構件和機械零件，如石(shi)油鉆桿、汽車傳動軸(傳動軸組成:軸管(guan)(guan)(guan)、伸縮(suo)套和萬(wan)向(xiang)節)、自行車架(jia)以及(ji)建(jian)筑)施工(gong)(gong)中用的(de)(de)(de)鋼(gang)(gang)腳手架(jia)等(deng)用鋼(gang)(gang)管(guan)(guan)(guan)制(zhi)造環形零件，可(ke)提高材料利用率，簡化(hua)制(zhi)造工(gong)(gong)序，節約材料和加工(gong)(gong)工(gong)(gong)時(shi)，已廣(guang)(guang)泛用鋼(gang)(gang)管(guan)(guan)(guan)來制(zhi)造。