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<長春>萬方金屬材料有限公司
長春20g高壓無縫鋼管的廠家-萬方金屬材料有限公司

無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)：長(chang)(chang)春無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)是由整支(zhi)圓(yuan)鋼(gang)(gang)(gang)穿孔而成的(de)(de)，表(biao)面上沒有焊(han)縫(feng)(feng)(feng)(feng)(feng)的(de)(de)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，稱(cheng)之為(wei)(wei)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。根(gen)(gen)據(ju)生產方(fang)法，無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)可分(fen)熱軋無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷軋無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷拔(ba)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、擠壓無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、頂管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。按照斷面形(xing)(xing)狀(zhuang)，無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)圓(yuan)形(xing)(xing)和異形(xing)(xing)兩種(zhong)，異形(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有方(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(guan)(guan)(guan)(guan)(guan)(guan)(guan)多(duo)(duo)種(zhong)復雜(za)形(xing)(xing)狀(zhuang)。直徑達(da)900mm，小直徑為(wei)(wei) 4mm。根(gen)(gen)據(ju)用(yong)途不(bu)同(tong)， 有厚壁無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)和薄壁無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)主(zhu)要(yao)用(yong)做石油地質鉆(zhan)探管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、石油化工用(yong)的(de)(de)裂化管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鍋 爐管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、軸承(cheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)以及汽車(che)、拖拉機、航空(kong)用(yong)高精(jing)度結構(gou)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。一(yi)般用(yong)途的(de)(de)無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)由普通的(de)(de)碳素結構(gou)鋼(gang)(gang)(gang)、低合(he)金(jin)結構(gou)鋼(gang)(gang)(gang)或(huo)合(he)金(jin)結構(gou)鋼(gang)(gang)(gang)軋制，產量(liang)(liang)多(duo)(duo)，主(zhu)要(yao)用(yong)作(zuo)輸(shu)送流體的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道或(huo)結構(gou)零件。沿其橫截面的(de)(de)周邊(bian)上無(wu)(wu)接縫(feng)(feng)(feng)(feng)(feng)的(de)(de)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。根(gen)(gen)據(ju)生產方(fang)法不(bu)同(tong)分(fen)為(wei)(wei)熱軋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷軋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷拔(ba)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、擠壓管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、頂管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)，均有各自工藝規定。長(chang)(chang)春無(wu)(wu)縫(feng)(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)具有中空(kong)截面，大(da)量(liang)(liang)用(yong)作(zuo)輸(shu)送流體的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道，如輸(shu)送石油、天然氣、煤氣、水及某些固(gu)體物(wu)料的(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道等(deng)。鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)與圓(yuan)鋼(gang)(gang)(gang)等(deng)實心鋼(gang)(gang)(gang)材相(xiang)比，在(zai)抗彎抗扭(niu)強度相(xiang)同(tong)時，重量(liang)(liang)較輕，是一(yi)種(zhong)經濟(ji)截面鋼(gang)(gang)(gang)材。

長春(chun)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)用途(tu)很廣(guang)泛(fan)。一般用途(tu)的(de)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)由普通的(de)碳(tan)素結(jie)(jie)構鋼(gang)、低合(he)金結(jie)(jie)構鋼(gang)或合(he)金結(jie)(jie)構鋼(gang)軋制(zhi)，產(chan)量較多(duo)，主要用作輸送流體的(de)管(guan)(guan)(guan)(guan)(guan)(guan)道或結(jie)(jie)構零件。根(gen)(gen)據用途(tu)不(bu)同(tong)分(fen)三類供(gong)應(ying)：a、按化(hua)學(xue)成(cheng)分(fen)和(he)機(ji)械性能供(gong)應(ying)；b、按機(ji)械性能供(gong)應(ying)；c、按水壓(ya)(ya)試(shi)驗供(gong)應(ying)。按a、b類供(gong)應(ying)的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，如用于承受液體壓(ya)(ya)力(li)，也(ye)要進行(xing)水壓(ya)(ya)試(shi)驗。3、專門用途(tu)的(de)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)有鍋爐用無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、化(hua)工電力(li)用，地質(zhi)用長春(chun)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)及(ji)石(shi)(shi)油用無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)多(duo)種(zhong)。由整塊金屬制(zhi)成(cheng)的(de)，表面上沒有接縫(feng)(feng)的(de)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)，稱(cheng)為無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。根(gen)(gen)據生產(chan)方(fang)法，無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)分(fen)熱(re)(re)軋管(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)軋管(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)拔管(guan)(guan)(guan)(guan)(guan)(guan)、擠(ji)壓(ya)(ya)管(guan)(guan)(guan)(guan)(guan)(guan)、頂管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。按照斷面形(xing)狀，無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)分(fen)圓(yuan)形(xing)和(he)異(yi)(yi)形(xing)兩種(zhong)，異(yi)(yi)形(xing)管(guan)(guan)(guan)(guan)(guan)(guan)有方(fang)形(xing)、橢圓(yuan)形(xing)、三角形(xing)、六角形(xing)、瓜子形(xing)、星形(xing)、帶翅管(guan)(guan)(guan)(guan)(guan)(guan)多(duo)種(zhong)復雜形(xing)狀。無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)大(da)直徑(jing)(jing)達(da)650mm，小直徑(jing)(jing)為0.3mm。根(gen)(gen)據用途(tu)不(bu)同(tong)，有厚壁(bi)管(guan)(guan)(guan)(guan)(guan)(guan)和(he)薄壁(bi)管(guan)(guan)(guan)(guan)(guan)(guan)。長春(chun)無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)主要用做石(shi)(shi)油地質(zhi)鉆探(tan)管(guan)(guan)(guan)(guan)(guan)(guan)、石(shi)(shi)油化(hua)工用的(de)裂化(hua)管(guan)(guan)(guan)(guan)(guan)(guan)、鍋爐管(guan)(guan)(guan)(guan)(guan)(guan)、軸承管(guan)(guan)(guan)(guan)(guan)(guan)以(yi)及(ji)汽車、拖拉機(ji)、航(hang)空用高精(jing)度(du)結(jie)(jie)構鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)。管(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)準(zhun)備及(ji)檢查(cha)△→管(guan)(guan)(guan)(guan)(guan)(guan)坯(pi)加熱(re)(re)→穿孔(kong)→軋管(guan)(guan)(guan)(guan)(guan)(guan)→鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)再(zai)加熱(re)(re)→定（減）徑(jing)(jing)→熱(re)(re)處理△→成(cheng)品(pin)管(guan)(guan)(guan)(guan)(guan)(guan)矯直→精(jing)整→檢驗△（無(wu)(wu)(wu)損、理化(hua)、臺檢）→入庫坯(pi)料準(zhun)備→酸洗潤(run)滑→冷(leng)軋（拔）→熱(re)(re)處理→矯直→精(jing)整→檢驗

長(chang)春GB5310高(gao)(gao)壓(ya)鍋爐(lu)管(guan)(guan)：主要(yao)用(yong)來制造高(gao)(gao)壓(ya)及其以上壓(ya)力的蒸(zheng)汽鍋爐(lu)管(guan)(guan)道等用(yong)的優質碳(tan)素(su)結(jie)構鋼(gang)(gang)(gang)、合金結(jie)構鋼(gang)(gang)(gang)和(he)不銹(xiu)耐熱(re)鋼(gang)(gang)(gang)無縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)。鍋爐(lu)管(guan)(guan)經常(chang)處于高(gao)(gao)溫和(he)高(gao)(gao)壓(ya)下工作(zuo)(zuo)、管(guan)(guan)子在高(gao)(gao)溫煙氣和(he)水蒸(zheng)汽的作(zuo)(zuo)用(yong)下還(huan)會發生氧(yang)化和(he)腐蝕，因此要(yao)求(qiu)鋼(gang)(gang)(gang)管(guan)(guan)有(you)高(gao)(gao)的持久強(qiang)度、高(gao)(gao)的抗氧(yang)化性能，并具有(you)良好(hao)的組織穩定性，采(cai)用(yong)鋼(gang)(gang)(gang)號有(you)：優質碳(tan)素(su)結(jie)構鋼(gang)(gang)(gang)鋼(gang)(gang)(gang)號有(you)20g、20mng、25mng；合金結(jie)構鋼(gang)(gang)(gang)鋼(gang)(gang)(gang)號15mog、20mog、12crmog、15crmog、12cr2mog、12crmovg、12cr3movsitib等；有(you)銹(xiu)耐熱(re)鋼(gang)(gang)(gang)常(chang)用(yong)1cr18ni9、1cr18ni11nb高(gao)(gao)壓(ya)鍋爐(lu)管(guan)(guan)除保(bao)證化學成(cheng)分和(he)機(ji)械性能外，要(yao)逐根(gen)做水壓(ya)試(shi)驗，要(yao)作(zuo)(zuo)擴口、壓(ya)扁(bian)試(shi)驗。鋼(gang)(gang)(gang)管(guan)(guan)以熱(re)處理(li)狀(zhuang)態交貨。