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通(tong)的碳(tan)素結(jie)構(gou)鋼、低合金結(jie)構(gou)鋼或合金結(jie)構(gou)鋼軋制，產量最多，主要(yao)用作輸送(song)流體(ti)的管道或結(jie)構(gou)零(ling)件。

　　根據用(yong)途(tu)不同分(fen)三類供(gong)應：

　　A、按化學成(cheng)分和(he)機械性(xing)能供應;

　　B、按機械)性(xing)能供應(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(de)化(hua)學成分(fen)(fen)有碳C、硅Si、錳Mn、硫S、磷P、鉻Cr。GB5310無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)按照用(yong)途(tu)分(fen)(fen)為結(jie)構用(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan);輸(shu)送(song)用(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan);鍋爐(lu)用(yong)無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan);鍋爐(lu)用(yong)高(gao)壓無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan).無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)按照斷面(mian)形(xing)狀，無(wu)(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)分(fen)(fen)圓形(xing)和異形(xing)兩種(zhong)，異形(xing)管(guan)(guan)(guan)(guan)(guan)有方形(xing)、橢圓形(xing)、三角形(xing)、六角形(xing)、瓜(gua)子(zi)形(xing)、星(xing)形(xing)、 帶翅管(guan)(guan)(guan)(guan)(guan)多(duo)種(zhong)復雜形(xing)狀。按

　　A、b類(lei)供應的鋼(gang)(gang)管(guan)(guan)(guan)，如(ru)用于承受液體(ti)壓力，也要進行(xing)水(shui)(shui)壓(特指:壓強)試驗。3、專門用途的無(wu)(wu)縫(feng)管(guan)(guan)(guan)有鍋爐(lu)用無(wu)(wu)縫(feng)管(guan)(guan)(guan)、化(hua)工(gong)電力用，地質用無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)及石(shi)油用無(wu)(wu)縫(feng)管(guan)(guan)(guan)等(deng)多(duo)種。 無(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)具有中空截面，大(da)量用作輸(shu)送(song)流體(ti)的管(guan)(guan)(guan)道，如(ru)輸(shu)送(song)石(shi)油、天然氣、煤氣、水(shui)(shui)及某些(xie)固體(ti)物料(liao)(liao)的管(guan)(guan)(guan)道等(deng)。鋼(gang)(gang)管(guan)(guan)(guan)與圓鋼(gang)(gang)等(deng)實心鋼(gang)(gang)材相(xiang)比，在抗彎(wan)抗扭(niu)強度相(xiang)同(tong)時(shi)，重量較輕，是一種經濟截面鋼(gang)(gang)材。 廣(guang)泛用于制(zhi)(zhi)(zhi)造結構件(jian)和(he)機械零(ling)件(jian)，如(ru)石(shi)油鉆(zhan)桿、汽車傳(chuan)動軸(傳(chuan)動軸組成:軸管(guan)(guan)(guan)、伸縮套和(he)萬向(xiang)節(jie))、自行(xing)車架以及建(jian)筑)施工(gong)中用的鋼(gang)(gang)腳(jiao)手架等(deng)用鋼(gang)(gang)管(guan)(guan)(guan)制(zhi)(zhi)(zhi)造環形零(ling)件(jian)，可提高材料(liao)(liao)利(li)用率，簡化(hua)制(zhi)(zhi)(zhi)造工(gong)序，節(jie)約(yue)材料(liao)(liao)和(he)加工(gong)工(gong)時(shi)，已(yi)廣(guang)泛用鋼(gang)(gang)管(guan)(guan)(guan)來制(zhi)(zhi)(zhi)造。