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(gou)(gou)鋼、低合(he)金結(jie)構(gou)(gou)鋼或合(he)金結(jie)構(gou)(gou)鋼軋制，產量最多，主要用作輸送流體(ti)的管道或結(jie)構(gou)(gou)零件。

　　根據用途不同分三類供應：

　　A、按化學成分和(he)機械(xie)性能(neng)供應;

　　B、按機械(xie))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(hua)學成分有碳C、硅(gui)Si、錳Mn、硫S、磷P、鉻Cr。GB5310無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)按(an)照(zhao)(zhao)用途(tu)分為結構用無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);輸送用無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);鍋(guo)爐(lu)用無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan);鍋(guo)爐(lu)用高(gao)壓無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan).無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)按(an)照(zhao)(zhao)斷(duan)面(mian)形(xing)(xing)狀(zhuang)，無(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)分圓形(xing)(xing)和異形(xing)(xing)兩種，異形(xing)(xing)管(guan)(guan)(guan)有方形(xing)(xing)、橢(tuo)圓形(xing)(xing)、三角形(xing)(xing)、六角形(xing)(xing)、瓜子形(xing)(xing)、星形(xing)(xing)、 帶翅(chi)管(guan)(guan)(guan)多種復(fu)雜形(xing)(xing)狀(zhuang)。按(an)

　　A、b類供應的鋼(gang)(gang)管(guan)(guan)(guan)(guan)，如(ru)(ru)用(yong)(yong)(yong)(yong)于承受(shou)液體(ti)壓力(li)，也要進行水壓(特指:壓強(qiang)(qiang))試(shi)驗(yan)。3、專門用(yong)(yong)(yong)(yong)途的無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)有鍋爐(lu)用(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)、化工(gong)(gong)(gong)(gong)(gong)電力(li)用(yong)(yong)(yong)(yong)，地質用(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)及(ji)石(shi)油用(yong)(yong)(yong)(yong)無(wu)(wu)縫(feng)管(guan)(guan)(guan)(guan)等多種。 無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)具有中空截面，大量用(yong)(yong)(yong)(yong)作(zuo)輸(shu)(shu)送(song)流體(ti)的管(guan)(guan)(guan)(guan)道，如(ru)(ru)輸(shu)(shu)送(song)石(shi)油、天然氣、煤氣、水及(ji)某些固體(ti)物料(liao)的管(guan)(guan)(guan)(guan)道等。鋼(gang)(gang)管(guan)(guan)(guan)(guan)與圓鋼(gang)(gang)等實心鋼(gang)(gang)材(cai)相(xiang)比，在(zai)抗彎抗扭(niu)強(qiang)(qiang)度(du)相(xiang)同時(shi)，重量較輕，是一種經(jing)濟(ji)截面鋼(gang)(gang)材(cai)。 廣泛用(yong)(yong)(yong)(yong)于制造(zao)(zao)結(jie)構件(jian)(jian)和(he)(he)機械零件(jian)(jian)，如(ru)(ru)石(shi)油鉆(zhan)桿、汽(qi)車傳動軸(傳動軸組成:軸管(guan)(guan)(guan)(guan)、伸縮套和(he)(he)萬向(xiang)節)、自行車架以及(ji)建筑)施(shi)工(gong)(gong)(gong)(gong)(gong)中用(yong)(yong)(yong)(yong)的鋼(gang)(gang)腳手架等用(yong)(yong)(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)(guan)制造(zao)(zao)環形零件(jian)(jian)，可提高材(cai)料(liao)利用(yong)(yong)(yong)(yong)率，簡化制造(zao)(zao)工(gong)(gong)(gong)(gong)(gong)序，節約材(cai)料(liao)和(he)(he)加工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)時(shi)，已廣泛用(yong)(yong)(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)(guan)來制造(zao)(zao)。