3087無縫鋼管廠家價格

　　價 格 ￥4880.00元/噸

　　起訂量 ≥1噸

　　3087無縫鋼管是用(yong)鋼錠(ding)或實(shi)心管(guan)坯經穿孔制成毛(mao)管(guan)，然(ran)后經熱軋、冷軋或冷撥制成。3087無縫(feng)鋼管(guan)在我國鋼管(guan)業中具有重要，3087無縫(feng)鋼管(guan)的(de)地(di)位。

　　據不完全(quan)統計，我(wo)國現有無(wu)縫管(guan)(guan)(guan)生產企業約(yue)240多(duo)家(jia)，無(wu)縫鋼(gang)管(guan)(guan)(guan)機組約(yue)250多(duo)套(tao)，年產能(neng)力(li)約(yue)450多(duo)萬(wan)噸(dun)。從口徑看，<φ76的(de)，占(zhan)35%，<φ159-650的(de)，占(zhan)25%。從品種看，一般用途管(guan)(guan)(guan)190萬(wan)噸(dun)，占(zhan)54%;石油管(guan)(guan)(guan)76萬(wan)噸(dun)，占(zhan)5.7%;液壓支柱、精密管(guan)(guan)(guan)15萬(wan)噸(dun)，占(zhan)4.3%;不銹管(guan)(guan)(guan)、軸(zhou)承(cheng)管(guan)(guan)(guan)、汽車管(guan)(guan)(guan)共5萬(wan)噸(dun)，占(zhan)1.4%。

　　3087無(wu)縫鋼(gang)(gang)管(guan)(guan)的(de)(de)原料(liao)(liao)是圓(yuan)管(guan)(guan)坯(pi)，圓(yuan)管(guan)(guan)胚(pei)要(yao)經(jing)(jing)過(guo)(guo)切割機的(de)(de)切割加(jia)(jia)工(gong)成(cheng)長(chang)度(du)(du)約(yue)為(wei)1米的(de)(de)坯(pi)料(liao)(liao)，并經(jing)(jing)傳送帶送到(dao)熔爐(lu)(lu)內(nei)加(jia)(jia)熱(re)。鋼(gang)(gang)坯(pi)被(bei)送入熔爐(lu)(lu)內(nei)加(jia)(jia)熱(re)，溫(wen)度(du)(du)大約(yue)為(wei)1200攝氏度(du)(du)。燃料(liao)(liao)為(wei)氫(qing)氣(qi)或(huo)(huo)乙炔。爐(lu)(lu)內(nei)溫(wen)度(du)(du)控制是關鍵性的(de)(de)問題(ti).圓(yuan)管(guan)(guan)坯(pi)出(chu)(chu)爐(lu)(lu)后(hou)要(yao)經(jing)(jing)過(guo)(guo)壓力穿孔(kong)(kong)機進行(xing)穿空。一(yi)般較常見的(de)(de)穿孔(kong)(kong)機是錐形(xing)輥穿孔(kong)(kong)機，這種(zhong)穿孔(kong)(kong)機生(sheng)(sheng)產(chan)效率高，產(chan)品質量好(hao)，穿孔(kong)(kong)擴徑(jing)量大，可穿多種(zhong)鋼(gang)(gang)種(zhong)。穿孔(kong)(kong)后(hou)，圓(yuan)管(guan)(guan)坯(pi)就先后(hou)被(bei)三輥斜(xie)軋(ya)、連(lian)軋(ya)或(huo)(huo)擠(ji)壓。擠(ji)壓后(hou)要(yao)脫管(guan)(guan)定(ding)徑(jing)。定(ding)徑(jing)機通(tong)過(guo)(guo)錐形(xing)鉆頭高速旋轉入鋼(gang)(gang)胚(pei)打孔(kong)(kong)，形(xing)成(cheng)鋼(gang)(gang)管(guan)(guan)。鋼(gang)(gang)管(guan)(guan)內(nei)徑(jing)由定(ding)徑(jing)機鉆頭的(de)(de)外徑(jing)長(chang)度(du)(du)來確定(ding)。鋼(gang)(gang)管(guan)(guan)經(jing)(jing)定(ding)徑(jing)后(hou)，進入冷(leng)卻塔中，通(tong)過(guo)(guo)噴水冷(leng)卻，鋼(gang)(gang)管(guan)(guan)經(jing)(jing)冷(leng)卻后(hou)，就要(yao)被(bei)矯(jiao)直。鋼(gang)(gang)管(guan)(guan)經(jing)(jing)矯(jiao)直后(hou)由傳送帶送至金屬探傷機(或(huo)(huo)水壓實驗)進行(xing)內(nei)部探傷。若鋼(gang)(gang)管(guan)(guan)內(nei)部有裂紋，氣(qi)泡等(deng)問題(ti)，將被(bei)探測出(chu)(chu)。鋼(gang)(gang)管(guan)(guan)質檢后(hou)還(huan)要(yao)通(tong)過(guo)(guo)嚴格的(de)(de)手工(gong)挑選。鋼(gang)(gang)管(guan)(guan)質檢后(hou)，用油漆噴上編(bian)號、規格、生(sheng)(sheng)產(chan)批號等(deng)。并由吊車吊入倉庫中。

　　規(gui)格：無(wu)縫鋼管的規(gui)格用外徑(jing)*壁厚毫米數表示。

　　3087無(wu)縫鋼管(guan)(guan)的(de)分(fen)類：無(wu)縫鋼管(guan)(guan)分(fen)熱軋和冷軋(撥)無(wu)縫鋼管(guan)(guan)兩類。

　　熱(re)軋無縫(feng)鋼(gang)(gang)(gang)管(guan)(guan)分一般鋼(gang)(gang)(gang)管(guan)(guan)，低(di)、中壓鍋爐(lu)鋼(gang)(gang)(gang)管(guan)(guan)，高壓鍋爐(lu)鋼(gang)(gang)(gang)管(guan)(guan)、合金鋼(gang)(gang)(gang)管(guan)(guan)、不銹鋼(gang)(gang)(gang)管(guan)(guan)、石油裂化管(guan)(guan)、地(di)質鋼(gang)(gang)(gang)管(guan)(guan)和其它鋼(gang)(gang)(gang)管(guan)(guan)等。

　　冷(leng)軋(撥(bo))無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)除分一般鋼(gang)(gang)管(guan)(guan)(guan)(guan)、低中壓(ya)鍋(guo)爐(lu)鋼(gang)(gang)管(guan)(guan)(guan)(guan)、高壓(ya)鍋(guo)爐(lu)鋼(gang)(gang)管(guan)(guan)(guan)(guan)、合金鋼(gang)(gang)管(guan)(guan)(guan)(guan)、不銹鋼(gang)(gang)管(guan)(guan)(guan)(guan)、石油(you)裂化(hua)管(guan)(guan)(guan)(guan)、其它鋼(gang)(gang)管(guan)(guan)(guan)(guan)外，還包括碳素薄壁鋼(gang)(gang)管(guan)(guan)(guan)(guan)、合金薄壁鋼(gang)(gang)管(guan)(guan)(guan)(guan)、不銹薄壁鋼(gang)(gang)管(guan)(guan)(guan)(guan)、異型鋼(gang)(gang)管(guan)(guan)(guan)(guan)。熱(re)(re)軋無(wu)縫(feng)管(guan)(guan)(guan)(guan)外徑(jing)一般大于 32mm，壁厚(hou)2.5-75mm，冷(leng)軋無(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)處(chu)徑(jing)可以到(dao)(dao)6mm，壁厚(hou)可到(dao)(dao)0.25mm，薄壁管(guan)(guan)(guan)(guan)外徑(jing)可到(dao)(dao)5mm，壁厚(hou)小(xiao)于0.25mm，冷(leng)軋比熱(re)(re)軋尺寸精度高。

　　一(yi)般用(yong)無(wu)縫鋼(gang)管(guan)：是用(yong)10、20、30、35、45等(deng)(deng)優質碳(tan)結鋼(gang)16Mn、5MnV等(deng)(deng)低(di)合金結構(gou)鋼(gang)或40Cr、30CrMnSi、45Mn2、40MnB等(deng)(deng)合金鋼(gang)熱軋(ya)(ya)或冷(leng)(leng)軋(ya)(ya)制(zhi)成的(de)。10、20等(deng)(deng)低(di)碳(tan)鋼(gang)制(zhi)造(zao)的(de)無(wu)縫管(guan)主要用(yong)于(yu)流體輸送管(guan)道。45、40Cr等(deng)(deng)中碳(tan)鋼(gang)制(zhi)成的(de)無(wu)縫管(guan)用(yong)來制(zhi)造(zao)機械零件(jian)，如汽車(che)、拖(tuo)拉(la)機的(de)受(shou)力(li)零件(jian)。一(yi)般用(yong)無(wu)縫鋼(gang)管(guan)要保(bao)證強度和(he)壓扁試驗。熱軋(ya)(ya)鋼(gang)管(guan)以熱軋(ya)(ya)狀態(tai)或熱處理(li)狀態(tai)交(jiao)貨(huo);冷(leng)(leng)軋(ya)(ya)以熱處理(li)狀態(tai)交(jiao)貨(huo)。

　　低(di)(di)中壓(ya)(ya)鍋(guo)爐用(yong)(yong)(yong)無縫鋼管：用(yong)(yong)(yong)于制造(zao)各種低(di)(di)中壓(ya)(ya)鍋(guo)爐、過熱(re)蒸汽管、沸水管、水冷(leng)壁管及機車(che)鍋(guo)爐用(yong)(yong)(yong)過熱(re)蒸汽管、大煙(yan)管、小(xiao)煙(yan)管和(he)拱磚管等。用(yong)(yong)(yong)優質碳(tan)素結構鋼熱(re)軋(ya)(ya)(ya)或冷(leng)軋(ya)(ya)(ya)(撥)無縫鋼管。主要(yao)用(yong)(yong)(yong)10、20號(hao)鋼制造(zao)，除保證化學(xue)成分(fen)和(he)機械性(xing)能外要(yao)做(zuo)水壓(ya)(ya)試驗，卷邊(bian)、擴口、壓(ya)(ya)扁等試驗。熱(re)軋(ya)(ya)(ya)以熱(re)軋(ya)(ya)(ya)狀態交貨(huo)、冷(leng)軋(ya)(ya)(ya)(撥)以熱(re)處理狀態交貨(huo)。

　　高(gao)壓(ya)鍋(guo)爐(lu)鋼(gang)(gang)管(guan)(guan)(guan)(guan)：主(zhu)要用(yong)(yong)(yong)來制造高(gao)壓(ya)及其(qi)以上壓(ya)力的(de)(de)蒸(zheng)汽鍋(guo)爐(lu)管(guan)(guan)(guan)(guan)道(dao)等用(yong)(yong)(yong)的(de)(de)優質碳素結(jie)(jie)構鋼(gang)(gang)、合(he)金(jin)(jin)結(jie)(jie)構鋼(gang)(gang)和(he)不銹耐熱(re)鋼(gang)(gang)無(wu)縫鋼(gang)(gang)管(guan)(guan)(guan)(guan)、這些(xie)鍋(guo)爐(lu)管(guan)(guan)(guan)(guan)經(jing)常(chang)處于高(gao)溫(wen)和(he)高(gao)壓(ya)下(xia)工作(zuo)、管(guan)(guan)(guan)(guan)子在高(gao)溫(wen)煙氣和(he)水蒸(zheng)汽的(de)(de)作(zuo)用(yong)(yong)(yong)下(xia)還(huan)會發生氧化(hua)和(he)腐蝕，因此(ci)要求鋼(gang)(gang)管(guan)(guan)(guan)(guan)有(you)(you)(you)高(gao)的(de)(de)持久(jiu)強度(du)、高(gao)的(de)(de)抗氧化(hua)性能，并(bing)具有(you)(you)(you)良(liang)好的(de)(de)組織穩定性，采用(yong)(yong)(yong)鋼(gang)(gang)號有(you)(you)(you)：優質碳素結(jie)(jie)構鋼(gang)(gang)鋼(gang)(gang)號有(you)(you)(you)20G、20MnG、25MnG;合(he)金(jin)(jin)結(jie)(jie)構鋼(gang)(gang)鋼(gang)(gang)號15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等;有(you)(you)(you)銹耐熱(re)鋼(gang)(gang)常(chang)用(yong)(yong)(yong)1Cr18Ni9、1Cr18Ni11Nb高(gao)壓(ya)鍋(guo)爐(lu)管(guan)(guan)(guan)(guan)除保(bao)證化(hua)學成分和(he)機械性能外(wai)，要逐(zhu)根做水壓(ya)試(shi)驗，要作(zuo)擴(kuo)口、壓(ya)扁試(shi)驗。鋼(gang)(gang)管(guan)(guan)(guan)(guan)以熱(re)處理狀(zhuang)態交(jiao)貨。此(ci)外(wai)，對成品鋼(gang)(gang)管(guan)(guan)(guan)(guan)顯(xian)微組織、晶粒(li)度(du)、脫碳層也(ye)有(you)(you)(you)一(yi)定要求。

　　地質(zhi)鉆(zhan)(zhan)(zhan)探及石(shi)(shi)油鉆(zhan)(zhan)(zhan)探用(yong)(yong)(yong)無(wu)縫(feng)鋼管(guan)(guan)(guan)：為(wei)探明地下(xia)巖(yan)層(ceng)結構、地下(xia)水、石(shi)(shi)油、天(tian)然(ran)氣及礦產資(zi)源情況，利用(yong)(yong)(yong)鉆(zhan)(zhan)(zhan)機打井(jing)。石(shi)(shi)油、天(tian)然(ran)氣開采更離不(bu)開打井(jing)，地質(zhi)鉆(zhan)(zhan)(zhan)探用(yong)(yong)(yong)石(shi)(shi)油鉆(zhan)(zhan)(zhan)探用(yong)(yong)(yong)無(wu)縫(feng)鋼管(guan)(guan)(guan)是鉆(zhan)(zhan)(zhan)井(jing)的(de)主要器材，主要包括巖(yan)芯外(wai)管(guan)(guan)(guan)、巖(yan)芯內管(guan)(guan)(guan)、套管(guan)(guan)(guan)、鉆(zhan)(zhan)(zhan)桿等。由于鉆(zhan)(zhan)(zhan)探用(yong)(yong)(yong)管(guan)(guan)(guan)要深(shen)入到幾千(qian)米(mi)地層(ceng)深(shen)度工作，工作條件極為(wei)復雜，鉆(zhan)(zhan)(zhan)桿承受拉、壓(ya)、彎曲、扭轉和不(bu)均衡沖擊載荷(he)等應(ying)力作用(yong)(yong)(yong)，還要受到泥漿、巖(yan)石(shi)(shi)磨損(sun)，因此，要求管(guan)(guan)(guan)材必(bi)須具(ju)有足(zu)夠的(de)強度、硬度、耐磨性和沖擊韌性，鋼管(guan)(guan)(guan)用(yong)(yong)(yong)鋼用(yong)(yong)(yong)“DZ”(地質(zhi)的(de)漢語(yu)拼(pin)音字頭)加數(shu)字一代表鋼屈服點(dian)表示，常用(yong)(yong)(yong)的(de)鋼號有DZ45的(de)45MnB、50Mn;DZ50的(de)40Mn2、40Mn2Si;DZ55的(de)40Mn2Mo、40MnVB;DZ60的(de)40MnMoB、DZ65的(de)27MnMoVB。鋼管(guan)(guan)(guan)都以熱處(chu)理(li)狀態交貨。

　　石(shi)油裂化管(guan)：用(yong)(yong)(yong)于石(shi)油煉廠的(de)(de)爐管(guan)、熱(re)交換器管(guan)和(he)管(guan)道用(yong)(yong)(yong)無縫管(guan)。常用(yong)(yong)(yong)優質碳素(su)鋼(gang)(gang)(gang)(10、20)、合(he)金(jin)鋼(gang)(gang)(gang)(12CrMo、15CrMo)、耐熱(re)鋼(gang)(gang)(gang)(12Cr2Mo、15Cr5Mo)、不銹(xiu)鋼(gang)(gang)(gang)(1Cr18Ni9、1Cr18Ni9Ti)制造。鋼(gang)(gang)(gang)管(guan)除得證(zheng)(zheng)化學成分和(he)各種(zhong)機械性能外，還(huan)要(yao)保(bao)(bao)證(zheng)(zheng)水(shui)壓(ya)、壓(ya)扁(bian)、擴口等試驗，及表面質量和(he)無損檢驗。鋼(gang)(gang)(gang)管(guan)在熱(re)處理狀態下交貨(huo)。不銹(xiu)鋼(gang)(gang)(gang)管(guan)：用(yong)(yong)(yong)各種(zhong)不銹(xiu)鋼(gang)(gang)(gang)熱(re)軋(ya)，冷軋(ya)的(de)(de)不銹(xiu)鋼(gang)(gang)(gang)管(guan)，廣泛應用(yong)(yong)(yong)于石(shi)油、化工設備管(guan)道和(he)各種(zhong)用(yong)(yong)(yong)途的(de)(de)不銹(xiu)鋼(gang)(gang)(gang)結構零件(jian)，除應保(bao)(bao)證(zheng)(zheng)化學成分和(he)機械性能，凡用(yong)(yong)(yong)作承受流體壓(ya)力(li)的(de)(de)鋼(gang)(gang)(gang)管(guan)要(yao)保(bao)(bao)證(zheng)(zheng)水(shui)壓(ya)試驗合(he)格。各種(zhong)專用(yong)(yong)(yong)鋼(gang)(gang)(gang)管(guan)要(yao)按規(gui)定保(bao)(bao)證(zheng)(zheng)條件(jian)。