亚洲欧美日韩综合久久久久久_黑人大荫蒂高潮视频_日本成a人片在线播放_国产精品无码久久四虎

無錫厚壁鋼管無錫大口徑厚壁管市場行情-創聯金屬

         無錫厚壁鋼管無錫大口徑厚壁管市場行情-創聯金屬

大口徑厚(hou)壁管  

  

大口徑厚壁管

大(da)口徑(jing)(jing)(jing)厚(hou)壁管(guan)(guan)(guan)(guan)的原料是圓(yuan)管(guan)(guan)(guan)(guan)坯(pi)(pi)(pi),圓(yuan)管(guan)(guan)(guan)(guan)胚要(yao)經(jing)過切割機(ji)(ji)的切割加(jia)工(gong)成(cheng)(cheng)長度(du)約為(wei)1米(mi)的坯(pi)(pi)(pi)料,并(bing)經(jing)傳送(song)帶送(song)到熔爐(lu)(lu)內(nei)加(jia)熱。鋼(gang)坯(pi)(pi)(pi)被(bei)送(song)入(ru)熔爐(lu)(lu)內(nei)加(jia)熱,溫度(du)大(da)約為(wei)1200攝(she)氏度(du)。燃料為(wei)氫氣或(huo)乙炔。爐(lu)(lu)內(nei)溫度(du)控(kong)制是關鍵性的問(wen)題.圓(yuan)管(guan)(guan)(guan)(guan)坯(pi)(pi)(pi)出(chu)爐(lu)(lu)后(hou)要(yao)經(jing)過壓(ya)(ya)力穿(chuan)(chuan)孔(kong)(kong)機(ji)(ji)進行穿(chuan)(chuan)空。一般(ban)較常見的穿(chuan)(chuan)孔(kong)(kong)機(ji)(ji)是錐形(xing)(xing)輥(gun)穿(chuan)(chuan)孔(kong)(kong)機(ji)(ji),這種(zhong)穿(chuan)(chuan)孔(kong)(kong)機(ji)(ji)生產(chan)效(xiao)率高(gao),產(chan)品質量好,穿(chuan)(chuan)孔(kong)(kong)擴徑(jing)(jing)(jing)量大(da),可(ke)穿(chuan)(chuan)多種(zhong)鋼(gang)種(zhong)。穿(chuan)(chuan)孔(kong)(kong)后(hou),圓(yuan)管(guan)(guan)(guan)(guan)坯(pi)(pi)(pi)就先后(hou)被(bei)三(san)輥(gun)斜軋、連軋或(huo)擠壓(ya)(ya)。擠壓(ya)(ya)后(hou)要(yao)脫(tuo)管(guan)(guan)(guan)(guan)定(ding)徑(jing)(jing)(jing)。定(ding)徑(jing)(jing)(jing)機(ji)(ji)通過錐形(xing)(xing)鉆頭高(gao)速旋轉(zhuan)入(ru)鋼(gang)胚打(da)孔(kong)(kong),形(xing)(xing)成(cheng)(cheng)鋼(gang)管(guan)(guan)(guan)(guan)。鋼(gang)管(guan)(guan)(guan)(guan)內(nei)徑(jing)(jing)(jing)由(you)定(ding)徑(jing)(jing)(jing)機(ji)(ji)鉆頭的外徑(jing)(jing)(jing)長度(du)來確定(ding)。鋼(gang)管(guan)(guan)(guan)(guan)經(jing)定(ding)徑(jing)(jing)(jing)后(hou),進入(ru)冷(leng)卻(que)塔(ta)中,通過噴水冷(leng)卻(que),鋼(gang)管(guan)(guan)(guan)(guan)經(jing)冷(leng)卻(que)后(hou),就要(yao)被(bei)矯直。鋼(gang)管(guan)(guan)(guan)(guan)經(jing)矯直后(hou)由(you)傳送(song)帶送(song)至金屬探(tan)傷(shang)機(ji)(ji)(或(huo)水壓(ya)(ya)實驗)進行內(nei)部探(tan)傷(shang)。若(ruo)鋼(gang)管(guan)(guan)(guan)(guan)內(nei)部有(you)裂(lie)紋,氣泡等問(wen)題,將被(bei)探(tan)測出(chu)。鋼(gang)管(guan)(guan)(guan)(guan)質檢后(hou)還(huan)要(yao)通過嚴格(ge)的手工(gong)挑選。鋼(gang)管(guan)(guan)(guan)(guan)質檢后(hou),用油(you)漆噴上編號、規格(ge)、生產(chan)批號等。并(bing)由(you)吊(diao)車吊(diao)入(ru)倉(cang)庫中。

  規(gui)格:無縫(feng)鋼管的規(gui)格用外徑*壁厚毫米數表示(shi)。

 大口徑厚壁管分熱軋和冷軋(撥)無縫(feng)鋼(gang)管兩類。

  熱軋無縫(feng)鋼(gang)管(guan)(guan)(guan)分一般鋼(gang)管(guan)(guan)(guan),低、中壓鍋(guo)爐鋼(gang)管(guan)(guan)(guan),高壓鍋(guo)爐鋼(gang)管(guan)(guan)(guan)、合金(jin)鋼(gang)管(guan)(guan)(guan)、不銹鋼(gang)管(guan)(guan)(guan)、石油裂(lie)化(hua)管(guan)(guan)(guan)、地質鋼(gang)管(guan)(guan)(guan)和(he)其它鋼(gang)管(guan)(guan)(guan)等(deng)。

  冷(leng)軋(撥)無縫鋼(gang)(gang)管(guan)除分一(yi)般鋼(gang)(gang)管(guan)、低中壓鍋(guo)(guo)爐鋼(gang)(gang)管(guan)、高壓鍋(guo)(guo)爐鋼(gang)(gang)管(guan)、合(he)金(jin)鋼(gang)(gang)管(guan)、不(bu)銹鋼(gang)(gang)管(guan)、石(shi)油裂化管(guan)、其它鋼(gang)(gang)管(guan)外(wai),還包括碳素薄(bo)壁鋼(gang)(gang)管(guan)、合(he)金(jin)薄(bo)壁鋼(gang)(gang)管(guan)、不(bu)銹薄(bo)壁鋼(gang)(gang)管(guan)、異型鋼(gang)(gang)管(guan)。熱軋無縫管(guan)外(wai)徑(jing)一(yi)般大于 32mm,壁厚2.5-75mm,冷(leng)軋無縫鋼(gang)(gang)管(guan)處徑(jing)可(ke)以到6mm,壁厚可(ke)到0.25mm,薄(bo)壁管(guan)外(wai)徑(jing)可(ke)到5mm,壁厚小(xiao)于0.25mm,冷(leng)軋比(bi)熱軋尺寸精度高。

  一般用(yong)無(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan):是用(yong)10、20、30、35、45等(deng)(deng)優質(zhi)碳(tan)結(jie)鋼(gang)(gang)(gang)16Mn、5MnV等(deng)(deng)低合金(jin)結(jie)構鋼(gang)(gang)(gang)或(huo)40Cr、30CrMnSi、45Mn2、40MnB等(deng)(deng)合金(jin)鋼(gang)(gang)(gang)熱(re)(re)軋(ya)或(huo)冷(leng)軋(ya)制(zhi)成(cheng)的。10、20等(deng)(deng)低碳(tan)鋼(gang)(gang)(gang)制(zhi)造的無(wu)縫(feng)管(guan)(guan)主(zhu)要用(yong)于流(liu)體輸送管(guan)(guan)道(dao)。45、40Cr等(deng)(deng)中(zhong)碳(tan)鋼(gang)(gang)(gang)制(zhi)成(cheng)的無(wu)縫(feng)管(guan)(guan)用(yong)來制(zhi)造機(ji)械零件(jian),如汽車、拖拉機(ji)的受力零件(jian)。一般用(yong)無(wu)縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)要保(bao)證強度(du)和壓扁試(shi)驗。熱(re)(re)軋(ya)鋼(gang)(gang)(gang)管(guan)(guan)以熱(re)(re)軋(ya)狀態(tai)(tai)或(huo)熱(re)(re)處理(li)狀態(tai)(tai)交(jiao)貨(huo)(huo);冷(leng)軋(ya)以熱(re)(re)處理(li)狀態(tai)(tai)交(jiao)貨(huo)(huo)。

  低中壓鍋爐用(yong)(yong)(yong)無縫鋼管(guan):用(yong)(yong)(yong)于(yu)制造(zao)(zao)各種低中壓鍋爐、過熱(re)蒸汽(qi)(qi)管(guan)、沸水管(guan)、水冷(leng)壁管(guan)及機車鍋爐用(yong)(yong)(yong)過熱(re)蒸汽(qi)(qi)管(guan)、大煙(yan)(yan)管(guan)、小(xiao)煙(yan)(yan)管(guan)和(he)拱(gong)磚管(guan)等。用(yong)(yong)(yong)優質碳素結構鋼熱(re)軋或(huo)冷(leng)軋(撥(bo))無縫鋼管(guan)。主要用(yong)(yong)(yong)10、20號(hao)鋼制造(zao)(zao),除保證化學成分(fen)和(he)機械性能外(wai)要做水壓試驗(yan),卷(juan)邊、擴口、壓扁等試驗(yan)。熱(re)軋以熱(re)軋狀態(tai)(tai)交(jiao)貨、冷(leng)軋(撥(bo))以熱(re)處理狀態(tai)(tai)交(jiao)貨。

  高(gao)(gao)(gao)壓(ya)鍋(guo)爐(lu)鋼(gang)(gang)管(guan):主要(yao)(yao)用來制造高(gao)(gao)(gao)壓(ya)及(ji)其以上壓(ya)力的(de)蒸汽鍋(guo)爐(lu)管(guan)道等用的(de)優質碳素結構鋼(gang)(gang)、合金結構鋼(gang)(gang)和不銹(xiu)耐(nai)熱鋼(gang)(gang)無(wu)縫鋼(gang)(gang)管(guan)、這些鍋(guo)爐(lu)管(guan)經常處(chu)于高(gao)(gao)(gao)溫和高(gao)(gao)(gao)壓(ya)下工作、管(guan)子在高(gao)(gao)(gao)溫煙(yan)氣(qi)和水(shui)蒸汽的(de)作用下還會發生氧化(hua)和腐蝕,因此要(yao)(yao)求(qiu)鋼(gang)(gang)管(guan)有(you)高(gao)(gao)(gao)的(de)持(chi)久(jiu)強度、高(gao)(gao)(gao)的(de)抗氧化(hua)性(xing)(xing)能,并具有(you)良(liang)好的(de)組(zu)(zu)織(zhi)(zhi)穩定(ding)性(xing)(xing),采用鋼(gang)(gang)號有(you):優質碳素結構鋼(gang)(gang)鋼(gang)(gang)號有(you)20G、20MnG、25MnG;合金結構鋼(gang)(gang)鋼(gang)(gang)號15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等;有(you)銹(xiu)耐(nai)熱鋼(gang)(gang)常用1Cr18Ni9、1Cr18Ni11Nb高(gao)(gao)(gao)壓(ya)鍋(guo)爐(lu)管(guan)除保證(zheng)化(hua)學成分和機械性(xing)(xing)能外,要(yao)(yao)逐根做水(shui)壓(ya)試(shi)驗(yan),要(yao)(yao)作擴(kuo)口、壓(ya)扁(bian)試(shi)驗(yan)。鋼(gang)(gang)管(guan)以熱處(chu)理狀態交(jiao)貨。此外,對(dui)成品鋼(gang)(gang)管(guan)顯微組(zu)(zu)織(zhi)(zhi)、晶粒度、脫碳層也有(you)一定(ding)要(yao)(yao)求(qiu)。

  地質(zhi)鉆(zhan)(zhan)探(tan)(tan)及(ji)石(shi)(shi)油(you)鉆(zhan)(zhan)探(tan)(tan)用無縫鋼管(guan)(guan):為(wei)探(tan)(tan)明地下巖(yan)(yan)層結(jie)構、地下水、石(shi)(shi)油(you)、天然(ran)氣(qi)及(ji)礦產資源(yuan)情(qing)況,利用鉆(zhan)(zhan)機打井。石(shi)(shi)油(you)、天然(ran)氣(qi)開采更離不開打井,地質(zhi)鉆(zhan)(zhan)探(tan)(tan)用石(shi)(shi)油(you)鉆(zhan)(zhan)探(tan)(tan)用無縫鋼管(guan)(guan)是鉆(zhan)(zhan)井的(de)(de)(de)(de)主要(yao)(yao)器材,主要(yao)(yao)包括巖(yan)(yan)芯外管(guan)(guan)、巖(yan)(yan)芯內管(guan)(guan)、套管(guan)(guan)、鉆(zhan)(zhan)桿等(deng)。由于鉆(zhan)(zhan)探(tan)(tan)用管(guan)(guan)要(yao)(yao)深(shen)入到幾千米(mi)地層深(shen)度(du)工(gong)作,工(gong)作條件極為(wei)復(fu)雜,鉆(zhan)(zhan)桿承受拉、壓、彎曲、扭轉和(he)(he)不均衡(heng)沖(chong)擊(ji)載荷等(deng)應力作用,還要(yao)(yao)受到泥漿(jiang)、巖(yan)(yan)石(shi)(shi)磨(mo)損,因(yin)此,要(yao)(yao)求管(guan)(guan)材必須具有足夠(gou)的(de)(de)(de)(de)強度(du)、硬(ying)度(du)、耐(nai)磨(mo)性和(he)(he)沖(chong)擊(ji)韌性,鋼管(guan)(guan)用鋼用“DZ”(地質(zhi)的(de)(de)(de)(de)漢語拼(pin)音字頭)加數字一代(dai)表(biao)鋼屈服點表(biao)示,常(chang)用的(de)(de)(de)(de)鋼號有DZ45的(de)(de)(de)(de)45MnB、50Mn;DZ50的(de)(de)(de)(de)40Mn2、40Mn2Si;DZ55的(de)(de)(de)(de)40Mn2Mo、40MnVB;DZ60的(de)(de)(de)(de)40MnMoB、DZ65的(de)(de)(de)(de)27MnMoVB。鋼管(guan)(guan)都以(yi)熱(re)處理狀態交貨。

  石油(you)裂化管(guan)(guan)(guan):用(yong)(yong)于石油(you)煉廠的(de)(de)(de)爐管(guan)(guan)(guan)、熱(re)(re)交換器管(guan)(guan)(guan)和(he)管(guan)(guan)(guan)道(dao)(dao)用(yong)(yong)無縫管(guan)(guan)(guan)。常用(yong)(yong)優質碳素鋼(gang)(gang)(10、20)、合金鋼(gang)(gang)(12CrMo、15CrMo)、耐熱(re)(re)鋼(gang)(gang)(12Cr2Mo、15Cr5Mo)、不銹(xiu)鋼(gang)(gang)(1Cr18Ni9、1Cr18Ni9Ti)制(zhi)造。鋼(gang)(gang)管(guan)(guan)(guan)除(chu)得證(zheng)化學成分(fen)和(he)各(ge)種(zhong)機械性能(neng)外(wai),還要(yao)(yao)保證(zheng)水壓、壓扁、擴口(kou)等(deng)試驗(yan)(yan),及表面質量和(he)無損檢驗(yan)(yan)。鋼(gang)(gang)管(guan)(guan)(guan)在(zai)熱(re)(re)處理狀態下交貨(huo)。不銹(xiu)鋼(gang)(gang)管(guan)(guan)(guan):用(yong)(yong)各(ge)種(zhong)不銹(xiu)鋼(gang)(gang)熱(re)(re)軋(ya),冷軋(ya)的(de)(de)(de)不銹(xiu)鋼(gang)(gang)管(guan)(guan)(guan),廣泛應用(yong)(yong)于石油(you)、化工設備管(guan)(guan)(guan)道(dao)(dao)和(he)各(ge)種(zhong)用(yong)(yong)途(tu)的(de)(de)(de)不銹(xiu)鋼(gang)(gang)結構零(ling)件(jian),除(chu)應保證(zheng)化學成分(fen)和(he)機械性能(neng),凡(fan)用(yong)(yong)作承受流體壓力的(de)(de)(de)鋼(gang)(gang)管(guan)(guan)(guan)要(yao)(yao)保證(zheng)水壓試驗(yan)(yan)合格。各(ge)種(zhong)專用(yong)(yong)鋼(gang)(gang)管(guan)(guan)(guan)要(yao)(yao)按規定保證(zheng)條件(jian)。

無錫創(chuang)聯(lian)金屬材料有限公司

電話:   88260900

   

手機:   QQ545940562 

      合(he)肥電話:  3467700

聯系人:王(wang)立豪

//jqsms.cn  

 //wxhytg.web1.asiae.com

    //www.hfslgc.com 

     地址無錫(xi)市錫(xi)山(shan)區東亭鎮友誼北路288

主(zhu)營:無縫鋼管,合金鋼管,厚(hou)壁鋼管,不銹鋼管/板等

主(zhu)營業務:無錫合金鋼管,無錫無縫鋼管無錫不銹鋼管/板,無錫厚壁鋼管價格,無錫鋼管

 

觸屏版 | 返回首頁 | 返回頭部
COPYRIGHT © jqsms.cn