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無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan) 無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)用(yong)(yong)途很(hen)廣(guang)泛。一般用(yong)(yong)途的(de)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)由普(pu)通的(de)碳(tan)素結(jie)構(gou)(gou)鋼(gang)(gang)(gang)、低合金結(jie)構(gou)(gou)鋼(gang)(gang)(gang)或(huo)合金結(jie)構(gou)(gou)鋼(gang)(gang)(gang)軋(ya)制，產量多(duo)，主要(yao)(yao)用(yong)(yong)作輸送流體(ti)(ti)的(de)管(guan)(guan)道(dao)或(huo)結(jie)構(gou)(gou)零件(jian)。、根據用(yong)(yong)途不同分三類(lei)供(gong)(gong)(gong)應(ying)：a、按化學成分和(he)機械(xie)性能供(gong)(gong)(gong)應(ying)；b、按機械(xie)性能供(gong)(gong)(gong)應(ying)；c、按水(shui)壓(ya)(ya)試驗供(gong)(gong)(gong)應(ying)。按a、b類(lei)供(gong)(gong)(gong)應(ying)的(de)鋼(gang)(gang)(gang)管(guan)(guan)，如用(yong)(yong)于承受液體(ti)(ti)壓(ya)(ya)力，也(ye)要(yao)(yao)進行(xing)水(shui)壓(ya)(ya)試驗。3、專(zhuan)門用(yong)(yong)途的(de)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)有鍋爐用(yong)(yong)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)、化工(gong)(gong)(gong)電力用(yong)(yong)，地質用(yong)(yong)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)及(ji)石(shi)油(you)(you)用(yong)(yong)無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)等(deng)(deng)多(duo)種。 無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)具(ju)有中(zhong)空截面(mian)，大量用(yong)(yong)作輸送流體(ti)(ti)的(de)管(guan)(guan)道(dao)，如輸送石(shi)油(you)(you)、天然氣(qi)、煤(mei)氣(qi)、水(shui)及(ji)某些固(gu)體(ti)(ti)物料(liao)的(de)管(guan)(guan)道(dao)等(deng)(deng)。鋼(gang)(gang)(gang)管(guan)(guan)與圓(yuan)鋼(gang)(gang)(gang)等(deng)(deng)實心(xin)鋼(gang)(gang)(gang)材相比，在抗(kang)(kang)彎抗(kang)(kang)扭強(qiang)度相同時，重量較(jiao)輕，是一種經濟截面(mian)鋼(gang)(gang)(gang)材。 廣(guang)泛用(yong)(yong)于制造結(jie)構(gou)(gou)件(jian)和(he)機械(xie)零件(jian)，如石(shi)油(you)(you)鉆桿、汽車(che)傳動軸、自行(xing)車(che)架以及(ji)建(jian)筑施(shi)工(gong)(gong)(gong)中(zhong)用(yong)(yong)的(de)鋼(gang)(gang)(gang)腳手架等(deng)(deng)用(yong)(yong)鋼(gang)(gang)(gang)管(guan)(guan)制造環形(xing)零件(jian)，可提(ti)高材料(liao)利用(yong)(yong)率，簡(jian)化制造工(gong)(gong)(gong)序，節約材料(liao)和(he)加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)時，已廣(guang)泛用(yong)(yong)鋼(gang)(gang)(gang)管(guan)(guan)來(lai)制造。無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)生產工(gong)(gong)(gong)藝