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。根據(ju)用途不(bu)同分(fen)三類(lei)供(gong)應(ying):
A、按化學成分和機械性能(neng)供(gong)應;
B、按機械(xie))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#無縫鋼管的化學成分(fen)有碳C、硅Si、錳Mn、硫S、磷P、鉻Cr。GB5310無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)按(an)照(zhao)(zhao)用途(tu)分(fen)為結構用無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan);輸(shu)送用無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan);鍋(guo)爐用無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan);鍋(guo)爐用高壓(ya)無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)、無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)按(an)照(zhao)(zhao)斷面形(xing)(xing)(xing)狀(zhuang)(zhuang),無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)分(fen)圓形(xing)(xing)(xing)和異(yi)形(xing)(xing)(xing)兩種,異(yi)形(xing)(xing)(xing)管(guan)(guan)有方(fang)形(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)、三角(jiao)形(xing)(xing)(xing)、六角(jiao)形(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)、星(xing)形(xing)(xing)(xing)、帶翅(chi)管(guan)(guan)多種復雜形(xing)(xing)(xing)狀(zhuang)(zhuang)。按(an)b類供應(ying)的(de)鋼(gang)管,如用(yong)(yong)于承受液(ye)體(ti)壓(ya)力(li)(li),也要(yao)進行水壓(ya)(特指(zhi):壓(ya)強(qiang))試驗。3、專門用(yong)(yong)途的(de)無(wu)(wu)縫管有鍋爐用(yong)(yong)無(wu)(wu)縫管、化工電力(li)(li)用(yong)(yong),地(di)質(zhi)用(yong)(yong)無(wu)(wu)縫鋼(gang)管及(ji)石油用(yong)(yong)無(wu)(wu)縫管等(deng)多種。無(wu)(wu)縫鋼(gang)管具有中空(kong)截(jie)面,大量用(yong)(yong)作輸(shu)送(song)流體(ti)的(de)管道,如輸(shu)送(song)石油、天然氣、煤氣、水及(ji)某(mou)些固體(ti)物料的(de)管道等(deng)。鋼(gang)管與圓鋼(gang)等(deng)實心鋼(gang)材相(xiang)比,在抗彎抗扭強(qiang)度相(xiang)同時,重量較輕(qing),是一種經濟截(jie)面鋼(gang)材。
廣(guang)泛用于(yu)制(zhi)造結構件和(he)機械(xie)零件,如石油鉆桿、汽車傳(chuan)動(dong)軸(傳(chuan)動(dong)軸組(zu)成:軸管、伸縮套(tao)和(he)萬向節)、自行車架以及(ji)建筑)施工(gong)(gong)中用的鋼腳手架等用鋼管制(zhi)造環形零件,可提(ti)高(gao)材料利用率,簡化制(zhi)造工(gong)(gong)序,節約材料和(he)加(jia)工(gong)(gong)工(gong)(gong)時,已廣(guang)泛用鋼管來制(zhi)造。