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。根據用途不(bu)同(tong)分三類供(gong)應:
A、按(an)化學成(cheng)分(fen)和機械(xie)性能(neng)供應;
B、按(an)機(ji)械)性能(neng)供應(ying);
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(you)(you)碳C、硅Si、錳Mn、硫(liu)S、磷P、鉻Cr。GB5310無縫(feng)鋼(gang)(gang)管按(an)照用途分(fen)為結構用無縫(feng)鋼(gang)(gang)管;輸送用無縫(feng)鋼(gang)(gang)管;鍋爐(lu)用無縫(feng)鋼(gang)(gang)管;鍋爐(lu)用高壓(ya)無縫(feng)鋼(gang)(gang)管、無縫(feng)鋼(gang)(gang)管按(an)照斷面形(xing)(xing)狀,無縫(feng)鋼(gang)(gang)管分(fen)圓(yuan)形(xing)(xing)和異形(xing)(xing)兩(liang)種,異形(xing)(xing)管有(you)(you)方(fang)形(xing)(xing)、橢圓(yuan)形(xing)(xing)、三角形(xing)(xing)、六角形(xing)(xing)、瓜子形(xing)(xing)、星形(xing)(xing)、帶翅管多(duo)種復雜形(xing)(xing)狀。按(an)b類(lei)供應的(de)鋼(gang)(gang)管(guan)(guan)(guan),如用(yong)(yong)(yong)(yong)于(yu)承受液體(ti)壓力(li),也要進(jin)行水壓(特(te)指:壓強(qiang))試驗(yan)。3、專門用(yong)(yong)(yong)(yong)途(tu)的(de)無縫管(guan)(guan)(guan)有(you)鍋爐用(yong)(yong)(yong)(yong)無縫管(guan)(guan)(guan)、化(hua)工電(dian)力(li)用(yong)(yong)(yong)(yong),地(di)質用(yong)(yong)(yong)(yong)無縫鋼(gang)(gang)管(guan)(guan)(guan)及石(shi)油用(yong)(yong)(yong)(yong)無縫管(guan)(guan)(guan)等多種(zhong)。無縫鋼(gang)(gang)管(guan)(guan)(guan)具有(you)中空(kong)截面(mian),大(da)量用(yong)(yong)(yong)(yong)作輸(shu)(shu)送(song)流體(ti)的(de)管(guan)(guan)(guan)道,如輸(shu)(shu)送(song)石(shi)油、天然氣、煤氣、水及某些(xie)固體(ti)物(wu)料的(de)管(guan)(guan)(guan)道等。鋼(gang)(gang)管(guan)(guan)(guan)與圓(yuan)鋼(gang)(gang)等實心鋼(gang)(gang)材相比,在抗(kang)彎抗(kang)扭強(qiang)度(du)相同(tong)時,重量較輕,是一(yi)種(zhong)經濟(ji)截面(mian)鋼(gang)(gang)材。
廣泛(fan)用(yong)于(yu)制造(zao)結構件(jian)(jian)和(he)機械零件(jian)(jian),如石油鉆桿(gan)、汽車傳(chuan)動軸(zhou)(傳(chuan)動軸(zhou)組成:軸(zhou)管、伸(shen)縮套和(he)萬向(xiang)節)、自行(xing)車架以及建筑)施工中用(yong)的(de)鋼(gang)(gang)腳手架等用(yong)鋼(gang)(gang)管制造(zao)環形零件(jian)(jian),可提高材料利用(yong)率(lv),簡化(hua)制造(zao)工序,節約材料和(he)加(jia)工工時,已廣泛(fan)用(yong)鋼(gang)(gang)管來制造(zao)。