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構鋼、低合金結構鋼或合金結構鋼軋制,產量多,主要用作輸送流體的管道或結構零件。根(gen)據用途不同分三(san)類供(gong)應(ying):
A、按化(hua)學成分和(he)機械性能(neng)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#無縫鋼管的化學成分有碳C、硅Si、錳Mn、硫(liu)S、磷(lin)P、鉻(ge)Cr。GB5310無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)按(an)照(zhao)用(yong)(yong)途分為結(jie)構用(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan);輸送(song)用(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan);鍋爐用(yong)(yong)無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan);鍋爐用(yong)(yong)高壓(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)、無(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)按(an)照(zhao)斷(duan)面形(xing)(xing)狀,無(wu)(wu)縫(feng)(feng)鋼(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)、橢圓形(xing)(xing)、三角(jiao)形(xing)(xing)、六角(jiao)形(xing)(xing)、瓜子形(xing)(xing)、星形(xing)(xing)、帶(dai)翅(chi)管(guan)(guan)(guan)多種復雜形(xing)(xing)狀。按(an)b類(lei)供應的(de)鋼(gang)管(guan)(guan),如用于承受液體壓(ya)(ya)力(li),也要進行水(shui)壓(ya)(ya)(特指:壓(ya)(ya)強(qiang))試驗(yan)。3、專門用途的(de)無縫(feng)(feng)管(guan)(guan)有(you)鍋爐用無縫(feng)(feng)管(guan)(guan)、化工電力(li)用,地質用無縫(feng)(feng)鋼(gang)管(guan)(guan)及(ji)(ji)石油用無縫(feng)(feng)管(guan)(guan)等多種。無縫(feng)(feng)鋼(gang)管(guan)(guan)具有(you)中(zhong)空(kong)截面(mian),大量用作輸送流體的(de)管(guan)(guan)道(dao),如輸送石油、天(tian)然(ran)氣、煤(mei)氣、水(shui)及(ji)(ji)某(mou)些固體物料的(de)管(guan)(guan)道(dao)等。鋼(gang)管(guan)(guan)與圓鋼(gang)等實心鋼(gang)材相比,在抗彎抗扭強(qiang)度(du)相同(tong)時,重量較輕,是一(yi)種經濟截面(mian)鋼(gang)材。
廣(guang)泛(fan)(fan)用于制(zhi)(zhi)造(zao)(zao)結構(gou)件和機械零件,如石油鉆(zhan)桿、汽車傳動軸(傳動軸組成(cheng):軸管(guan)、伸縮套和萬向節(jie))、自(zi)行(xing)車架(jia)以及建筑)施工(gong)中用的鋼(gang)(gang)腳手(shou)架(jia)等用鋼(gang)(gang)管(guan)制(zhi)(zhi)造(zao)(zao)環(huan)形零件,可提高材(cai)料利用率(lv),簡化制(zhi)(zhi)造(zao)(zao)工(gong)序,節(jie)約(yue)材(cai)料和加工(gong)工(gong)時,已廣(guang)泛(fan)(fan)用鋼(gang)(gang)管(guan)來(lai)制(zhi)(zhi)造(zao)(zao)。