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厚(hou)壁無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)照用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)分(fen)為結(jie)(jie)構(gou)(gou)(gou)(gou)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；輸(shu)送用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；鍋爐用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；鍋爐用(yong)(yong)(yong)(yong)(yong)(yong)(yong)高壓(ya)(ya)(ya)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；化(hua)(hua)肥設備用(yong)(yong)(yong)(yong)(yong)(yong)(yong)高壓(ya)(ya)(ya)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；地質磚(zhuan)探用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；石(shi)(shi)(shi)油磚(zhuan)探用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；石(shi)(shi)(shi)油裂化(hua)(hua)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；船舶用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；冷拔冷軋(ya)精密無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；各種合金(jin)(jin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。一般用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)的(de)(de)(de)(de)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)由(you)(you)普(pu)通(tong)的(de)(de)(de)(de)碳(C)素(su)結(jie)(jie)構(gou)(gou)(gou)(gou)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)、低(di)合金(jin)(jin)結(jie)(jie)構(gou)(gou)(gou)(gou)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)或(huo)合金(jin)(jin)結(jie)(jie)構(gou)(gou)(gou)(gou)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)軋(ya)制(zhi)，產量多(duo)，主(zhu)(zhu)要用(yong)(yong)(yong)(yong)(yong)(yong)(yong)作(zuo)輸(shu)送流體(ti)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(Conduit)或(huo)結(jie)(jie)構(gou)(gou)(gou)(gou)零(ling)件(jian)。2、根(gen)據(ju)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)不(bu)同分(fen)三類供應(ying)： 　　A、按(an)化(hua)(hua)學(Chemistry)成分(fen)(ingredient)和機械（machinery）性(xing)能(xìng néng)供應(ying)； 　　B、按(an)機械（machinery）性(xing)能(xìng néng)供應(ying)； 　　C、按(an)水壓(ya)(ya)(ya)(特指:壓(ya)(ya)(ya)強(qiang))試(shi)(shi)驗供應(ying)。無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)按(an)照斷面(mian)形(xing)(xing)狀，無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)圓(yuan)(yuan)形(xing)(xing)和異形(xing)(xing)兩(liang)種，異形(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有方形(xing)(xing)、橢圓(yuan)(yuan)形(xing)(xing)、三角形(xing)(xing)、六角形(xing)(xing)、瓜子(zi)形(xing)(xing)、星形(xing)(xing)、 帶翅管(guan)(guan)(guan)(guan)(guan)(guan)(guan)多(duo)種復(fu)雜形(xing)(xing)狀。無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)廠家(jia)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)很廣泛(fan)。一般用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)的(de)(de)(de)(de)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)由(you)(you)普(pu)通(tong)的(de)(de)(de)(de)碳素(su)結(jie)(jie)構(gou)(gou)(gou)(gou)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)、低(di)合金(jin)(jin)結(jie)(jie)構(gou)(gou)(gou)(gou)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)或(huo)合金(jin)(jin)結(jie)(jie)構(gou)(gou)(gou)(gou)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)軋(ya)制(zhi)，產量多(duo)，主(zhu)(zhu)要用(yong)(yong)(yong)(yong)(yong)(yong)(yong)作(zuo)輸(shu)送流體(ti)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)或(huo)結(jie)(jie)構(gou)(gou)(gou)(gou)零(ling)件(jian)。按(an) 　　A、b類供應(ying)的(de)(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，如用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)承受液(ye)體(ti)壓(ya)(ya)(ya)力，也要進行(xing)水壓(ya)(ya)(ya)(特指:壓(ya)(ya)(ya)強(qiang))試(shi)(shi)驗。3、專門用(yong)(yong)(yong)(yong)(yong)(yong)(yong)途(tu)的(de)(de)(de)(de)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有鍋爐（Boilers）用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、化(hua)(hua)工(gong)(gong)電力用(yong)(yong)(yong)(yong)(yong)(yong)(yong)，地質用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)及(ji)(ji)石(shi)(shi)(shi)油(petroleum)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)多(duo)種。 無(wu)(wu)(wu)(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)具有中空(zhōng kōng)截(jie)面(mian)，大量用(yong)(yong)(yong)(yong)(yong)(yong)(yong)作(zuo)輸(shu)送流體(ti)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(Conduit)，如輸(shu)送石(shi)(shi)(shi)油、天然(ran)(natural)氣(qi)(qi)、煤氣(qi)(qi)(Coal Gas)、水及(ji)(ji)某(mou)些固體(ti)物料(liao)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)等(deng)。鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)與圓(yuan)(yuan)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)等(deng)實(shi)心(xin)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)材相比(bi)，在抗彎抗扭強(qiang)度（strength)相同時，重量較輕，是一種經濟截(jie)面(mian)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)材。 廣泛(fan)(extensive)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)制(zhi)造(zhì zào)結(jie)(jie)構(gou)(gou)(gou)(gou)(Structure)件(jian)和機械（machinery）零(ling)件(jian)，如石(shi)(shi)(shi)油鉆桿、汽(qi)車(che)(auto)傳動(dong)軸(zhou)(傳動(dong)軸(zhou)組成:軸(zhou)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、伸縮套和萬向節)、自行(xing)車(che)架(jia)(jia)以及(ji)(ji)建筑(Architecture)施工(gong)(gong)中用(yong)(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)腳手架(jia)(jia)等(deng)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)制(zhi)造環形(xing)(xing)零(ling)件(jian)，可(ke)提高材料(liao)(Material)利用(yong)(yong)(yong)(yong)(yong)(yong)(yong)率(availability)，簡化(hua)(hua)制(zhi)造工(gong)(gong)序(xu)，節約材料(liao)和加(jia)工(gong)(gong)(Processing)工(gong)(gong)時，已(yi)廣泛(fan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)鋼(gang)(gang)(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)來制(zhi)造。

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