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(yong)途不同分三類供應:
A、按化學成分(fen)和機械性能(neng)供應;
B、按(an)機械)性能供(gong)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(cheng)分(fen)有碳C、硅(gui)Si、錳Mn、硫S、磷P、鉻Cr。GB5310無(wu)縫(feng)鋼管(guan)按照用(yong)途分(fen)為結構用(yong)無(wu)縫(feng)鋼管(guan);輸(shu)送用(yong)無(wu)縫(feng)鋼管(guan);鍋(guo)爐用(yong)無(wu)縫(feng)鋼管(guan);鍋(guo)爐用(yong)高壓無(wu)縫(feng)鋼管(guan)、無(wu)縫(feng)鋼管(guan)按照斷面形(xing)(xing)(xing)狀,無(wu)縫(feng)鋼管(guan)分(fen)圓形(xing)(xing)(xing)和異形(xing)(xing)(xing)兩種(zhong),異形(xing)(xing)(xing)管(guan)有方(fang)形(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)、三角形(xing)(xing)(xing)、六角形(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)、星形(xing)(xing)(xing)、帶翅管(guan)多種(zhong)復雜形(xing)(xing)(xing)狀。按b類供(gong)應的(de)鋼(gang)管(guan)(guan)(guan)(guan),如用于(yu)承受液(ye)體壓(ya)力,也要進行水壓(ya)(特指:壓(ya)強)試驗。3、專(zhuan)門用途的(de)無縫(feng)(feng)管(guan)(guan)(guan)(guan)有鍋爐(lu)用無縫(feng)(feng)管(guan)(guan)(guan)(guan)、化工電力用,地質用無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)及(ji)石油用無縫(feng)(feng)管(guan)(guan)(guan)(guan)等多種。無縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)具有中空截面,大量用作輸送流(liu)體的(de)管(guan)(guan)(guan)(guan)道(dao),如輸送石油、天(tian)然氣、煤氣、水及(ji)某(mou)些固體物料的(de)管(guan)(guan)(guan)(guan)道(dao)等。鋼(gang)管(guan)(guan)(guan)(guan)與圓鋼(gang)等實心(xin)鋼(gang)材(cai)相(xiang)(xiang)比(bi),在抗彎抗扭強度相(xiang)(xiang)同時(shi),重量較輕,是一種經濟截面鋼(gang)材(cai)。
廣(guang)泛用于制(zhi)(zhi)造(zao)(zao)結構(gou)件(jian)和機械零件(jian),如(ru)石油鉆桿(gan)、汽車傳動(dong)軸(zhou)(傳動(dong)軸(zhou)組成:軸(zhou)管(guan)、伸縮(suo)套和萬向節)、自行(xing)車架以及建筑)施工(gong)(gong)中用的(de)鋼腳手架等用鋼管(guan)制(zhi)(zhi)造(zao)(zao)環形零件(jian),可提高(gao)材料(liao)利用率(lv),簡化制(zhi)(zhi)造(zao)(zao)工(gong)(gong)序,節約材料(liao)和加工(gong)(gong)工(gong)(gong)時,已廣(guang)泛用鋼管(guan)來制(zhi)(zhi)造(zao)(zao)。