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(pu)通的(de)碳素結(jie)構鋼、低合(he)(he)金(jin)結(jie)構鋼或(huo)合(he)(he)金(jin)結(jie)構鋼軋制(zhi)，產(chan)量最多，主(zhu)要用(yong)作(zuo)輸送流體(ti)的(de)管道或(huo)結(jie)構零件。

　　根(gen)據用途不同分三(san)類供(gong)應：

　　A、按化學(xue)成分和機(ji)械性(xing)能供應;

　　B、按(an)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(hua)學(xue)成(cheng)分有碳C、硅(gui)Si、錳Mn、硫S、磷P、鉻Cr。GB5310無縫鋼(gang)(gang)管按(an)(an)照用(yong)途分為結構用(yong)無縫鋼(gang)(gang)管;輸(shu)送用(yong)無縫鋼(gang)(gang)管;鍋(guo)爐(lu)(lu)用(yong)無縫鋼(gang)(gang)管;鍋(guo)爐(lu)(lu)用(yong)高壓無縫鋼(gang)(gang)管.無縫鋼(gang)(gang)管按(an)(an)照斷面形(xing)(xing)(xing)狀(zhuang)，無縫鋼(gang)(gang)管分圓形(xing)(xing)(xing)和異(yi)形(xing)(xing)(xing)兩種，異(yi)形(xing)(xing)(xing)管有方(fang)形(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)、三(san)角形(xing)(xing)(xing)、六角形(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)、星(xing)形(xing)(xing)(xing)、 帶翅管多種復雜形(xing)(xing)(xing)狀(zhuang)。按(an)(an)

　　A、b類(lei)供應的鋼(gang)(gang)管(guan)(guan)(guan)，如用(yong)(yong)于承受液體(ti)壓力，也要進行水壓(特指:壓強)試驗(yan)。3、專門用(yong)(yong)途的無縫(feng)(feng)管(guan)(guan)(guan)有鍋(guo)爐用(yong)(yong)無縫(feng)(feng)管(guan)(guan)(guan)、化工(gong)(gong)(gong)電力用(yong)(yong)，地質用(yong)(yong)無縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)及(ji)石(shi)油用(yong)(yong)無縫(feng)(feng)管(guan)(guan)(guan)等(deng)(deng)多種(zhong)。 無縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)具(ju)有中(zhong)空截面，大量用(yong)(yong)作輸送流體(ti)的管(guan)(guan)(guan)道，如輸送石(shi)油、天然(ran)氣、煤氣、水及(ji)某些固體(ti)物料(liao)的管(guan)(guan)(guan)道等(deng)(deng)。鋼(gang)(gang)管(guan)(guan)(guan)與圓(yuan)鋼(gang)(gang)等(deng)(deng)實心鋼(gang)(gang)材相比(bi)，在抗彎抗扭強度相同(tong)時(shi)，重量較輕，是一種(zhong)經濟截面鋼(gang)(gang)材。 廣(guang)(guang)泛用(yong)(yong)于制造(zao)(zao)結構(gou)件和機械(xie)零件，如石(shi)油鉆桿、汽(qi)車傳動軸(傳動軸組成:軸管(guan)(guan)(guan)、伸縮套和萬向節(jie))、自行車架(jia)以及(ji)建(jian)筑)施工(gong)(gong)(gong)中(zhong)用(yong)(yong)的鋼(gang)(gang)腳(jiao)手架(jia)等(deng)(deng)用(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)制造(zao)(zao)環形零件，可(ke)提高(gao)材料(liao)利用(yong)(yong)率，簡化制造(zao)(zao)工(gong)(gong)(gong)序，節(jie)約材料(liao)和加工(gong)(gong)(gong)工(gong)(gong)(gong)時(shi)，已廣(guang)(guang)泛用(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)來制造(zao)(zao)。