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(you)普通的(de)碳素結(jie)構(gou)鋼、低合(he)金結(jie)構(gou)鋼或合(he)金結(jie)構(gou)鋼軋制，產量最多，主要(yao)用作(zuo)輸送流體的(de)管道或結(jie)構(gou)零(ling)件。

　　根據用途不同(tong)分三(san)類供應：

　　A、按(an)化(hua)學(xue)成分和機械(xie)性能供(gong)應;

　　B、按機械)性(xing)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(de)化學成(cheng)分有碳C、硅Si、錳Mn、硫S、磷P、鉻Cr。GB5310無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)按(an)照(zhao)用(yong)(yong)途分為結構(gou)用(yong)(yong)無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan);輸送(song)用(yong)(yong)無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan);鍋爐(lu)用(yong)(yong)無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan);鍋爐(lu)用(yong)(yong)高壓無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan).無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)按(an)照(zhao)斷面形(xing)(xing)狀(zhuang)，無(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)管(guan)分圓形(xing)(xing)和(he)異(yi)形(xing)(xing)兩種，異(yi)形(xing)(xing)管(guan)有方形(xing)(xing)、橢圓形(xing)(xing)、三角(jiao)(jiao)形(xing)(xing)、六角(jiao)(jiao)形(xing)(xing)、瓜子形(xing)(xing)、星形(xing)(xing)、 帶翅管(guan)多種復雜形(xing)(xing)狀(zhuang)。按(an)

　　A、b類(lei)供(gong)應的(de)鋼管(guan)(guan)，如(ru)用(yong)(yong)(yong)于承受液(ye)體壓(ya)力(li)(li)，也要進行水(shui)壓(ya)(特指:壓(ya)強(qiang))試驗。3、專門用(yong)(yong)(yong)途的(de)無(wu)(wu)縫(feng)管(guan)(guan)有(you)鍋(guo)爐(lu)用(yong)(yong)(yong)無(wu)(wu)縫(feng)管(guan)(guan)、化工(gong)(gong)電力(li)(li)用(yong)(yong)(yong)，地質用(yong)(yong)(yong)無(wu)(wu)縫(feng)鋼管(guan)(guan)及石(shi)油用(yong)(yong)(yong)無(wu)(wu)縫(feng)管(guan)(guan)等多種。 無(wu)(wu)縫(feng)鋼管(guan)(guan)具有(you)中(zhong)空截面，大量(liang)用(yong)(yong)(yong)作輸(shu)送(song)流體的(de)管(guan)(guan)道(dao)，如(ru)輸(shu)送(song)石(shi)油、天然氣(qi)、煤(mei)氣(qi)、水(shui)及某些固體物料的(de)管(guan)(guan)道(dao)等。鋼管(guan)(guan)與圓鋼等實心鋼材(cai)相比，在抗彎抗扭強(qiang)度相同(tong)時，重量(liang)較輕(qing)，是一種經濟截面鋼材(cai)。 廣泛用(yong)(yong)(yong)于制(zhi)造(zao)結構件(jian)(jian)和機(ji)械零件(jian)(jian)，如(ru)石(shi)油鉆桿、汽(qi)車(che)傳動軸(zhou)(傳動軸(zhou)組(zu)成:軸(zhou)管(guan)(guan)、伸縮套和萬向節)、自行車(che)架以及建筑(zhu))施(shi)工(gong)(gong)中(zhong)用(yong)(yong)(yong)的(de)鋼腳手架等用(yong)(yong)(yong)鋼管(guan)(guan)制(zhi)造(zao)環(huan)形零件(jian)(jian)，可提(ti)高材(cai)料利用(yong)(yong)(yong)率，簡化制(zhi)造(zao)工(gong)(gong)序，節約材(cai)料和加(jia)工(gong)(gong)工(gong)(gong)時，已廣泛用(yong)(yong)(yong)鋼管(guan)(guan)來制(zhi)造(zao)。