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鍋爐(lu)管(guan)(guan)(guan)廠家-山東鵬鑫(xin)鋼鐵有(you)限公司產品有(you):3087鋼管(guan)(guan)(guan),3087無縫鋼管(guan)(guan)(guan),3087鍋爐(lu)管(guan)(guan)(guan),gb3087中低(di)壓鍋爐(lu)管(guan)(guan)(guan),批零(ling)兼營,一(yi)支起(qi)售.咨詢熱線(xian):15106358106
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3087鋼管是(shi)用鋼錠或實心管坯經(jing)穿(chuan)孔(kong)制成毛管,然后經(jing)熱(re)軋(ya)、冷軋(ya)或冷撥制成。
3087鋼管在我(wo)國鋼(gang)管(guan)(guan)(guan)(guan)業中(zhong)具有重(zhong)要的地位(wei)。據不完全統計(ji),我(wo)國現有無縫(feng)管(guan)(guan)(guan)(guan)生(sheng)產企業約240多(duo)家(jia),無縫(feng)鋼(gang)管(guan)(guan)(guan)(guan)機組約250多(duo)套,年產能力約450多(duo)萬噸。從(cong)(cong)口徑看,<φ76的,占(zhan)35%,<φ159-650的,占(zhan)25%。從(cong)(cong)品種(zhong)看,一般用途管(guan)(guan)(guan)(guan)190萬噸,占(zhan)54%;石油(you)管(guan)(guan)(guan)(guan)76萬噸,占(zhan)5.7%;液壓支(zhi)柱、精密(mi)管(guan)(guan)(guan)(guan)15萬噸,占(zhan)4.3%;不銹(xiu)管(guan)(guan)(guan)(guan)、軸承管(guan)(guan)(guan)(guan)、汽車管(guan)(guan)(guan)(guan)共5萬噸,占(zhan)1.4%。
3087鋼管的(de)(de)原料是(shi)圓(yuan)(yuan)管(guan)(guan)坯(pi),圓(yuan)(yuan)管(guan)(guan)胚要(yao)經(jing)過(guo)(guo)切割(ge)機(ji)(ji)(ji)(ji)(ji)的(de)(de)切割(ge)加(jia)工(gong)成長度(du)約為(wei)1米的(de)(de)坯(pi)料,并經(jing)傳送(song)(song)(song)(song)帶送(song)(song)(song)(song)到熔爐內(nei)加(jia)熱。鋼(gang)(gang)(gang)坯(pi)被(bei)(bei)送(song)(song)(song)(song)入(ru)熔爐內(nei)加(jia)熱,溫度(du)大(da)約為(wei)1200℃。燃料為(wei)氫氣或(huo)乙(yi)炔。爐內(nei)溫度(du)控制是(shi)關鍵(jian)性的(de)(de)問(wen)題.圓(yuan)(yuan)管(guan)(guan)坯(pi)出爐后(hou)(hou)要(yao)經(jing)過(guo)(guo)壓(ya)力穿(chuan)孔機(ji)(ji)(ji)(ji)(ji)進行穿(chuan)空。一般較常見的(de)(de)穿(chuan)孔機(ji)(ji)(ji)(ji)(ji)是(shi)錐(zhui)形(xing)輥穿(chuan)孔機(ji)(ji)(ji)(ji)(ji),這種(zhong)穿(chuan)孔機(ji)(ji)(ji)(ji)(ji)生產(chan)效率(lv)高,產(chan)品質量好,穿(chuan)孔擴徑(jing)(jing)量大(da),可穿(chuan)多(duo)種(zhong)鋼(gang)(gang)(gang)種(zhong)。穿(chuan)孔后(hou)(hou),圓(yuan)(yuan)管(guan)(guan)坯(pi)就先后(hou)(hou)被(bei)(bei)三輥斜軋(ya)、連軋(ya)或(huo)擠(ji)(ji)壓(ya)。擠(ji)(ji)壓(ya)后(hou)(hou)要(yao)脫(tuo)管(guan)(guan)定(ding)(ding)徑(jing)(jing)。定(ding)(ding)徑(jing)(jing)機(ji)(ji)(ji)(ji)(ji)通過(guo)(guo)錐(zhui)形(xing)鉆頭高速旋(xuan)轉入(ru)鋼(gang)(gang)(gang)胚打孔,形(xing)成鋼(gang)(gang)(gang)管(guan)(guan)。鋼(gang)(gang)(gang)管(guan)(guan)內(nei)徑(jing)(jing)由定(ding)(ding)徑(jing)(jing)機(ji)(ji)(ji)(ji)(ji)鉆頭的(de)(de)外徑(jing)(jing)長度(du)來確定(ding)(ding)。鋼(gang)(gang)(gang)管(guan)(guan)經(jing)定(ding)(ding)徑(jing)(jing)后(hou)(hou),進入(ru)冷(leng)卻塔(ta)中,通過(guo)(guo)噴(pen)水冷(leng)卻,鋼(gang)(gang)(gang)管(guan)(guan)經(jing)冷(leng)卻后(hou)(hou),就要(yao)被(bei)(bei)矯直。鋼(gang)(gang)(gang)管(guan)(guan)經(jing)矯直后(hou)(hou)由傳送(song)(song)(song)(song)帶送(song)(song)(song)(song)至金屬探傷機(ji)(ji)(ji)(ji)(ji)(或(huo)水壓(ya)實驗)進行內(nei)部探傷。若鋼(gang)(gang)(gang)管(guan)(guan)內(nei)部有(you)裂紋,氣泡等問(wen)題,將被(bei)(bei)探測(ce)出。鋼(gang)(gang)(gang)管(guan)(guan)質檢后(hou)(hou)還要(yao)通過(guo)(guo)嚴格的(de)(de)手工(gong)挑選。鋼(gang)(gang)(gang)管(guan)(guan)質檢后(hou)(hou),用油漆噴(pen)上編號、規格、生產(chan)批號等。并由吊(diao)(diao)車吊(diao)(diao)入(ru)倉(cang)庫中。
3087鋼(gang)管(guan)(guan)的分(fen)類:無縫鋼(gang)管(guan)(guan)分(fen)熱軋(ya)(ya)和(he)冷軋(ya)(ya)(撥)無縫鋼(gang)管(guan)(guan)兩類。
熱(re)軋無縫鋼管(guan)分(fen)一般(ban)鋼管(guan),低(di)、中壓鍋(guo)爐鋼管(guan),高壓鍋(guo)爐鋼管(guan)、合金鋼管(guan)、不銹鋼管(guan)、石油裂化管(guan)、地質鋼管(guan)和其它鋼管(guan)等。
冷(leng)(leng)軋(撥)無縫鋼(gang)(gang)(gang)(gang)管(guan)(guan)除分一(yi)般(ban)鋼(gang)(gang)(gang)(gang)管(guan)(guan)、低中壓鍋爐鋼(gang)(gang)(gang)(gang)管(guan)(guan)、高壓鍋爐鋼(gang)(gang)(gang)(gang)管(guan)(guan)、合(he)金鋼(gang)(gang)(gang)(gang)管(guan)(guan)、不銹鋼(gang)(gang)(gang)(gang)管(guan)(guan)、石油裂化管(guan)(guan)、其它鋼(gang)(gang)(gang)(gang)管(guan)(guan)外,還包括碳(tan)素薄(bo)(bo)壁(bi)(bi)(bi)鋼(gang)(gang)(gang)(gang)管(guan)(guan)、合(he)金薄(bo)(bo)壁(bi)(bi)(bi)鋼(gang)(gang)(gang)(gang)管(guan)(guan)、不銹薄(bo)(bo)壁(bi)(bi)(bi)鋼(gang)(gang)(gang)(gang)管(guan)(guan)、異(yi)型鋼(gang)(gang)(gang)(gang)管(guan)(guan)。熱軋無縫管(guan)(guan)外徑(jing)(jing)一(yi)般(ban)大(da)于(yu) 32mm,壁(bi)(bi)(bi)厚2.5-75mm,冷(leng)(leng)軋無縫鋼(gang)(gang)(gang)(gang)管(guan)(guan)處徑(jing)(jing)可以到6mm,壁(bi)(bi)(bi)厚可到0.25mm,薄(bo)(bo)壁(bi)(bi)(bi)管(guan)(guan)外徑(jing)(jing)可到5mm,壁(bi)(bi)(bi)厚小(xiao)于(yu)0.25mm,冷(leng)(leng)軋比(bi)熱軋尺寸精(jing)度高。
一(yi)般(ban)用(yong)(yong)無縫鋼管:是用(yong)(yong)10#、20#、30#、35#、45#等(deng)優(you)質碳(tan)結(jie)鋼16Mn、5MnV等(deng)低(di)合金結(jie)構鋼或40Cr、30CrMnSi、45Mn2、40MnB等(deng)合金鋼熱軋(ya)(ya)或冷軋(ya)(ya)制成的。10、20等(deng)低(di)碳(tan)鋼制造(zao)的無縫管主要用(yong)(yong)于流體(ti)輸送管道。45#、40Cr等(deng)中碳(tan)鋼制成的無縫管用(yong)(yong)來制造(zao)機(ji)械零件,如(ru)汽(qi)車(che)、拖拉機(ji)的受(shou)力零件。一(yi)般(ban)用(yong)(yong)鋼管要保證強度(du)和(he)壓(ya)扁試驗。熱軋(ya)(ya)鋼管以(yi)熱軋(ya)(ya)狀態或熱處(chu)理狀態交貨;冷軋(ya)(ya)以(yi)熱處(chu)理狀態交貨。
低中壓(ya)鍋(guo)爐(lu)用(yong)(yong)(yong)無縫鋼(gang)管(GB3087-2008):用(yong)(yong)(yong)于(yu)制造各種(zhong)低中壓(ya)鍋(guo)爐(lu)、過熱(re)蒸汽管、沸(fei)水管、水冷壁(bi)管及機車鍋(guo)爐(lu)用(yong)(yong)(yong)過熱(re)蒸汽管、大煙(yan)管、小煙(yan)管和拱磚管等。用(yong)(yong)(yong)優(you)質碳素(su)結構鋼(gang)熱(re)軋(ya)(ya)或冷軋(ya)(ya)(撥)無縫鋼(gang)管。主要(yao)用(yong)(yong)(yong)10#、20號鋼(gang)制造,除保證(zheng)化學成分和機械(xie)性能外要(yao)做水壓(ya)試驗(yan),卷(juan)邊、擴口、壓(ya)扁等試驗(yan)。熱(re)軋(ya)(ya)以熱(re)軋(ya)(ya)狀(zhuang)態交(jiao)貨、冷軋(ya)(ya)(撥)以熱(re)處(chu)理狀(zhuang)態交(jiao)貨。
高(gao)(gao)(gao)壓鍋爐鋼(gang)(gang)管(GB5310-2008):主(zhu)要(yao)(yao)(yao)(yao)用來制(zhi)造高(gao)(gao)(gao)壓及其(qi)以(yi)上壓力的(de)(de)(de)蒸(zheng)汽鍋爐管道等用的(de)(de)(de)優質碳(tan)素結構鋼(gang)(gang)、合(he)金結構鋼(gang)(gang)和(he)不銹耐(nai)熱(re)(re)鋼(gang)(gang)無縫鋼(gang)(gang)管、這些鍋爐管經常(chang)處于高(gao)(gao)(gao)溫(wen)和(he)高(gao)(gao)(gao)壓下工作、管子在高(gao)(gao)(gao)溫(wen)煙氣(qi)和(he)水蒸(zheng)汽的(de)(de)(de)作用下還會(hui)發生氧化(hua)(hua)和(he)腐(fu)蝕,因此(ci)要(yao)(yao)(yao)(yao)求鋼(gang)(gang)管有(you)(you)高(gao)(gao)(gao)的(de)(de)(de)持久強度、高(gao)(gao)(gao)的(de)(de)(de)抗氧化(hua)(hua)性(xing)能(neng),并具有(you)(you)良(liang)好(hao)的(de)(de)(de)組織穩定性(xing),采用鋼(gang)(gang)號(hao)有(you)(you):優質碳(tan)素結構鋼(gang)(gang)鋼(gang)(gang)號(hao)有(you)(you)20G、20MnG、25MnG;合(he)金結構鋼(gang)(gang)鋼(gang)(gang)號(hao)15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等;有(you)(you)銹耐(nai)熱(re)(re)鋼(gang)(gang)常(chang)用1Cr18Ni9、1Cr18Ni11Nb高(gao)(gao)(gao)壓鍋爐管除(chu)保證(zheng)化(hua)(hua)學成(cheng)分和(he)機械性(xing)能(neng)外,要(yao)(yao)(yao)(yao)逐根做水壓試驗(yan),要(yao)(yao)(yao)(yao)作擴口、壓扁試驗(yan)。鋼(gang)(gang)管以(yi)熱(re)(re)處理(li)狀態交(jiao)貨。此(ci)外,對成(cheng)品鋼(gang)(gang)管顯微(wei)組織、晶(jing)粒度、脫碳(tan)層也有(you)(you)一定要(yao)(yao)(yao)(yao)求。
地質(zhi)鉆(zhan)(zhan)探及石(shi)油(you)(you)鉆(zhan)(zhan)探用(yong)(yong)無(wu)縫鋼(gang)(gang)管:為(wei)探明(ming)地下巖層結構、地下水(shui)、石(shi)油(you)(you)、天然(ran)氣及礦產資源情況,利用(yong)(yong)鉆(zhan)(zhan)機打井(jing)。石(shi)油(you)(you)、天然(ran)氣開采更離不開打井(jing),地質(zhi)鉆(zhan)(zhan)探用(yong)(yong)石(shi)油(you)(you)鉆(zhan)(zhan)探用(yong)(yong)無(wu)縫鋼(gang)(gang)管是鉆(zhan)(zhan)井(jing)的(de)主(zhu)要(yao)(yao)器(qi)材,主(zhu)要(yao)(yao)包括巖芯(xin)外管、巖芯(xin)內管、套管、鉆(zhan)(zhan)桿等。由于鉆(zhan)(zhan)探用(yong)(yong)管要(yao)(yao)深(shen)入到幾千米地層深(shen)度(du)(du)工作,工作條件極(ji)為(wei)復雜,鉆(zhan)(zhan)桿承受拉(la)、壓、彎(wan)曲、扭轉和不均(jun)衡沖擊載(zai)荷等應力(li)作用(yong)(yong),還要(yao)(yao)受到泥漿、巖石(shi)磨損(sun),因此,要(yao)(yao)求管材必須具有(you)足夠(gou)的(de)強(qiang)度(du)(du)、硬(ying)度(du)(du)、耐磨性和沖擊韌(ren)性,鋼(gang)(gang)管用(yong)(yong)鋼(gang)(gang)用(yong)(yong)“DZ”(地質(zhi)的(de)漢語拼音字(zi)頭)加數字(zi)一代表(biao)鋼(gang)(gang)屈服點表(biao)示,常(chang)用(yong)(yong)的(de)鋼(gang)(gang)號有(you)DZ45的(de)45MnB、50Mn;DZ50的(de)40Mn2、40Mn2Si;DZ55的(de)40Mn2Mo、40MnVB;DZ60的(de)40MnMoB、DZ65的(de)27MnMoVB。鋼(gang)(gang)管都以(yi)熱處理狀態交(jiao)貨。
石油(you)(you)裂化管(guan)(guan):用(yong)于石油(you)(you)煉廠的(de)爐(lu)管(guan)(guan)、熱(re)交換(huan)器管(guan)(guan)和(he)管(guan)(guan)道(dao)用(yong)無縫管(guan)(guan)。常用(yong)優(you)質(zhi)碳素鋼(gang)(gang)(gang)(10、20)、合金鋼(gang)(gang)(gang)(12CrMo、15CrMo)、耐熱(re)鋼(gang)(gang)(gang)(12Cr2Mo、15Cr5Mo)、不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)(1Cr18Ni9、1Cr18Ni9Ti)制(zhi)造。鋼(gang)(gang)(gang)管(guan)(guan)除得證(zheng)(zheng)(zheng)化學成分(fen)和(he)各種(zhong)機械性(xing)能外(wai),還要保(bao)證(zheng)(zheng)(zheng)水壓(ya)、壓(ya)扁、擴口等試(shi)驗(yan),及(ji)表面(mian)質(zhi)量和(he)無損(sun)檢驗(yan)。鋼(gang)(gang)(gang)管(guan)(guan)在熱(re)處理(li)狀態(tai)下交貨。不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)管(guan)(guan):用(yong)各種(zhong)不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)熱(re)軋,冷軋的(de)不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)管(guan)(guan),廣(guang)泛應用(yong)于石油(you)(you)、化工設備管(guan)(guan)道(dao)和(he)各種(zhong)用(yong)途的(de)不(bu)(bu)(bu)銹鋼(gang)(gang)(gang)結(jie)構零件,除應保(bao)證(zheng)(zheng)(zheng)化學成分(fen)和(he)機械性(xing)能,凡用(yong)作承受(shou)流體壓(ya)力的(de)鋼(gang)(gang)(gang)管(guan)(guan)要保(bao)證(zheng)(zheng)(zheng)水壓(ya)試(shi)驗(yan)合格(ge)。各種(zhong)專用(yong)鋼(gang)(gang)(gang)管(guan)(guan)要按規定保(bao)證(zheng)(zheng)(zheng)條件。
3087鋼管尺寸及允許(xu)偏差
偏差等級
標準化(hua)外(wai)徑允許偏差(cha)
D1
±1.5%,最小±0.75 mm
D2
±1.0%。最小±0.50 mm
D3
±0.75%.最小±0.30 mm
D4
±0.50%。最小±0.10 mm