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(pu)通的(de)碳素結構(gou)(gou)鋼(gang)、低合金(jin)結構(gou)(gou)鋼(gang)或合金(jin)結構(gou)(gou)鋼(gang)軋制，產(chan)量最多(duo)，主要用作輸(shu)送(song)流(liu)體的(de)管道或結構(gou)(gou)零件。

　　根據(ju)用途不同分三類供應：

　　A、按(an)化學成分和(he)機械性能供應(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#無縫鋼管的化學成分(fen)(fen)有碳C、硅(gui)Si、錳(meng)Mn、硫(liu)S、磷P、鉻(ge)Cr。GB5310無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)按(an)照(zhao)用途分(fen)(fen)為結構用無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan);輸送用無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan);鍋爐用無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan);鍋爐用高(gao)壓無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan).無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)按(an)照(zhao)斷面形(xing)(xing)(xing)(xing)(xing)狀(zhuang)，無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)分(fen)(fen)圓(yuan)形(xing)(xing)(xing)(xing)(xing)和異形(xing)(xing)(xing)(xing)(xing)兩種(zhong)，異形(xing)(xing)(xing)(xing)(xing)管(guan)(guan)有方形(xing)(xing)(xing)(xing)(xing)、橢圓(yuan)形(xing)(xing)(xing)(xing)(xing)、三角形(xing)(xing)(xing)(xing)(xing)、六角形(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(zhong)復雜形(xing)(xing)(xing)(xing)(xing)狀(zhuang)。按(an)

　　A、b類供(gong)應的(de)鋼(gang)(gang)管(guan)(guan)(guan)(guan)，如用(yong)(yong)于承受液體壓(ya)力，也要進行水(shui)壓(ya)(特(te)指:壓(ya)強(qiang))試驗。3、專門用(yong)(yong)途的(de)無縫(feng)(feng)管(guan)(guan)(guan)(guan)有鍋(guo)爐用(yong)(yong)無縫(feng)(feng)管(guan)(guan)(guan)(guan)、化(hua)工(gong)電力用(yong)(yong)，地質(zhi)用(yong)(yong)無縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)及石(shi)(shi)油用(yong)(yong)無縫(feng)(feng)管(guan)(guan)(guan)(guan)等(deng)多(duo)種。 無縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)具有中空截面(mian)，大量用(yong)(yong)作輸(shu)送(song)流體的(de)管(guan)(guan)(guan)(guan)道(dao)，如輸(shu)送(song)石(shi)(shi)油、天然氣(qi)、煤(mei)氣(qi)、水(shui)及某些固體物料(liao)的(de)管(guan)(guan)(guan)(guan)道(dao)等(deng)。鋼(gang)(gang)管(guan)(guan)(guan)(guan)與圓(yuan)鋼(gang)(gang)等(deng)實心鋼(gang)(gang)材(cai)(cai)相(xiang)比，在(zai)抗彎抗扭強(qiang)度相(xiang)同(tong)時，重(zhong)量較輕，是一種經濟(ji)截面(mian)鋼(gang)(gang)材(cai)(cai)。 廣(guang)(guang)泛(fan)用(yong)(yong)于制(zhi)造(zao)結構件(jian)和機械零件(jian)，如石(shi)(shi)油鉆桿、汽車傳(chuan)動軸(傳(chuan)動軸組成:軸管(guan)(guan)(guan)(guan)、伸(shen)縮(suo)套(tao)和萬向節(jie))、自行車架以及建(jian)筑(zhu))施工(gong)中用(yong)(yong)的(de)鋼(gang)(gang)腳手架等(deng)用(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)(guan)制(zhi)造(zao)環(huan)形(xing)零件(jian)，可提高材(cai)(cai)料(liao)利用(yong)(yong)率，簡(jian)化(hua)制(zhi)造(zao)工(gong)序，節(jie)約材(cai)(cai)料(liao)和加工(gong)工(gong)時，已(yi)廣(guang)(guang)泛(fan)用(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)(guan)來(lai)制(zhi)造(zao)。