Pearlite Heat-Resistant 12CR 1movg High Pressure Alloy Tube
Matrix ke tšepe e tlaase e sa keneleng mocheso e nang le pearlite kapa sebopeho sa bainite.Haholo-holo ho na le letoto la chromium-molybdenum le chromium-molybdenum-vanadium.Hamorao, likarolo tse ngata (tse kang chromium, tungsten, molybdenum, vanadium, titanium, boron, joalo-joalo) li entsoe ka likarolo tse ngata tsa tšepe tse kopantsoeng, 'me ho tšoarella le mocheso oa tšebeletso oa tšepe li eketsehile butle-butle.Empa ka kakaretso kakaretso ea likarolo tsa motsoako ke hoo e ka bang 5%, 'me sebopeho sa eona se kenyelletsa tšepe ea bainitic ho phaella ho pearlite.Mofuta ona oa tšepe o na le matla a holimo a mocheso o phahameng le ts'ebetso ea ts'ebetso ho 450 ~ 620 ℃, 'me e na le conductivity e ntle ea mocheso, coefficient e tlase ea katoloso le theko e tlase.E sebelisoa haholo ho etsa lisebelisuoa tse sa tšoaneng tsa meralo e thibelang mocheso pakeng tsa 450～620℃.Joalo ka liphaephe tsa tšepe tsa boiler bakeng sa liteishene tsa motlakase, li-impeller tsa turbine tsa mouoane, li-rotor, li-fasteners, likepe tse nang le khatello e phahameng bakeng sa ho hloekisa oli le liindasteri tsa lik'hemik'hale, li-boilers tsa mocheso oa litšila, li-tubes tse futhumatsang le li-tubes tse futhumatsang mocheso, jj.
[1] Tšepe bakeng sa liphaephe tsa tšepe tse sa keneleng mocheso o tlase.
Haholo-holo e sebelisoa e le mabota a metsi a boiler, li-superheaters, li-reheaters, li-economizers, lihlooho le lipeipi tsa mouoane, hammoho le li-tubes tsa mocheso bakeng sa matla a petrochemical le a nyutlelie.Thepa e hlokeha ho ba le moeli o phahameng oa creep, matla a nako e telele le polasetiki e tšoarellang nako e telele, ho hanyetsa oxidation e ntle le ho hanyetsa kutu, botsitso bo lekaneng ba sebopeho le ts'ebetso e ntle ea weldability le thepa e chesang le e batang ea ho sebetsa.Bophelo ba tšebeletso bo hlophisitsoeng bo fihla ho lihora tse 200,000.Lihlahisoa tse ka sehloohong Chaena ke 12CrMo, 15CrMo, 12Cr2Mo, 12CrlMoVG high-pressure alloy tubes, le 12Cr2MoWVTiB, tse sebelisoang ho tloha 480～620℃.Normalizing le tempering ka kakaretso sebelisoa bakeng sa kalafo mocheso.
[2] Tšepe bakeng sa lipoleiti tsa likepe tse nang le khatello e phahameng.
Ka indasteri ea petrochemical, khase ea mashala, liteishene tsa matla a nyutlelie le matla, lipoleiti tsa tšepe tse sa keneleng mocheso tse tlase li sebelisoa haholo ho etsa likepe tsa khatello.Mefuta e meholo ea Chaena ke 15CrMoG liphaephe tsa alloy tse phahameng tsa khatello (1.25Cr-O.5Mo), 12Cr2Mo (2.25Cr-1Mo) le 12Cr1MoV, joalo-joalo. Ka mohlala, li-hot-wall hydrogenation reactors hangata li sebelisa lipoleiti tsa tšepe tsa 2.25Cr-1Mo) (25-150 limilimithara).), hobane thepa e 'nile ea sebetsa tlas'a maemo a mocheso o phahameng, khatello e phahameng le ho hanyetsa haedrojene ka nako e telele, ha ho nahanoa ka thibelo ea embrittlement ka 475 ° C, thepa e hlokahalang ho ba le bohloeki bo phahameng, le sebabole le phosphorus. li lebelletsoe ho ba ka tlase ho 0.01% le thini e tlase ka ho fetesisa, Lintho tse kotsi joalo ka antimone le arsenic li hloka ho qhibiliha ha sebōpi sa motlakase le ho hloekisoa ka ntle.
[3]Litšepe bakeng sa li-fasteners.
Fastener steel ke thepa ea bohlokoa e phethang karolo ea ho hokahanya li-turbine tsa mouoane, li-boilers le lisebelisoa tse ling tse nang le khatello e phahameng ea khatello.E hloka moeli o lekaneng oa lihlahisoa, botsitso bo phahameng ba ho phomola, polasetiki e ntle ea nako e telele le kutloisiso e nyenyane ea nako e telele ea notch.Ho hanyetsa oxidation le ts'ebetso e ntle ea ho itšeha.Mefuta e meholo ea Chaena ke 25Cr2Mo, 25Cr2MoV, 25Cr2Mo1V, 20Cr1M01VNbTiB, joalo-joalo, e ka sebelisoang ho tloha 500 ~ 570 ℃ ka ho latellana.Lithuto tsena hangata li sebelisoa ka mor'a ho nosetsa le ho nosetsa.
[4] Tšepe bakeng sa rotor (spindle, impeller).
The main shaft, impeller le integral forged rotor ke e 'ngoe ea likarolo tsa bohlokoa tsa turbine ea mouoane.Thepa e hlokeha ho ba le thepa e ntle e felletseng ea mochini, ho tiea ha fracture, khanyetso e phahameng ea creep le matla a mamello, le ho hanyetsa mokhathala o motle oa mocheso.Lihlahisoa tse sebelisoang ka tloaelo tsa spindle le impeller Chaena ke 35CrMo, 35CrMoV, 27Cr2Mo1V, 12Cr3MoWV, joalo-joalo Rotor ea turbine ea khase e entsoe ka tšepe ea 20Cr3MoWV.Ho sebelisa phekolo ea ho tima le ho kokobetsa.Bakeng sa li-forging tse kholo tse kang li-rotor tse entsoeng le li-impellers, e le ho qhala vanadium carbide ka botlalo le ho ntlafatsa polasetiki le ho tiea, ho ka etsoa mokhoa o tloaelehileng oa phekolo pele o tima, kapa ho ka sebelisoa mokhoa oa phekolo ea mocheso oa tse peli tse tloaelehileng le tse futhumatsang.
[5] 1Cr5Mo le Cr6SiMo tšepe.
Limaraka tsena tse peli li na le likarolo tse phahameng ka ho fetisisa tsa alloying tšepeng ea pearlitic e thibelang mocheso.Ba na le khanyetso e ntle ea mocheso le khanyetso ea kutu mecheng ea litaba ea peterole.Li sebelisoa haholo ha ho etsoa liphaephe le likepe bakeng sa lisebelisoa tsa petroleum distillation, li-tubes tse futhumatsang le li-exchangers tsa mocheso, joalo-joalo, li boetse li sebelisoa e le litempe tse chesang, lipompo tsa mafura, li-valve, li-hanger tsa boiler le likarolo tse ling.Hangata mocheso oa tšebeliso o ka tlase ho 650 ℃.Kaha tšepe ena ke tšepe e thata ea moea, seam sa weld se na le thata e phahameng le polasetiki e futsanehileng, kahoo e lokela ho pholile butle-butle le ho kenngoa ka mor'a ho cheselletsa.
Hot rolling (extruded seamless steel tube): round tube billet → ho futhumala → ho phunya → roll cross crossing, continuous rolling or extrusion → ho tloswa ha tube → sizing (kapa ho fokotsa) → cooling → billet tube → straightening → khatello ea metsi Teko (kapa bofokoli). ho lemoha) → tšoaea → polokelo.
Peipi ea tšepe e batang (e phuthoang) e se nang moroho: peipi e pota-potileng → ho futhumatsa → ho phunya → sehlooho → ho phunya → ho hlapa → ho tlotsa oli (copper plating) → setšoantšo se batang se nang le mefuta e mengata (ho batang) → billet tube → kalafo ea mocheso → ho otlolla → Teko ea khatello ea metsi (ho lemoha liphoso) → tšoaea → polokelo.
GB/T8162-2008 (peipi ea tšepe e sa tsitsang bakeng sa sebopeho).Haholo-holo e sebelisetsoang sebopeho se akaretsang le sebopeho sa mechine.Lisebelisoa tsa moemeli oa eona (li-brand): tšepe ea carbon 20, 45 tšepe;tšepe ea motsoako Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, joalo-joalo.
GB/T8163-2008 (peipi ea tšepe e se nang seam bakeng sa ho tsamaisa mokelikeli).Haholo-holo e sebelisoang boenjiniere le lisebelisoa tse kholo ho tsamaisa liphaephe tsa mokelikeli.Thepa ea moemeli (brand) ke 20, Q345, joalo-joalo.
GB3087-2008 (Li-tubes tsa tšepe tse se nang seam bakeng sa li-boilers tsa khatello e tlaase le e bohareng).E sebelisoa haholo ho li-boilers tsa indasteri le li-boilers tsa lapeng ho tsamaisa liphaephe tsa mokelikeli o tlase le o mahareng.Lisebelisoa tsa moemeli ke 10 le 20 tšepe.
GB5310-2008 (li-tubes tsa tšepe tse se nang seamless bakeng sa li-boilers tse phahameng tsa khatello).Haholo-holo e sebelisoa bakeng sa lihlooho tsa mocheso o phahameng le likhatello tse phahameng tse fetisang mokelikeli le liphaephe ho liboiler liteisheneng tsa motlakase le lifemeng tsa matla a nyutlelie.Lisebelisoa tsa moemeli ke 20G, 12Cr1MoVG, 15CrMoG, joalo-joalo.
GB5312-1999 (lipeipi tsa tšepe tsa carbon-manganese tse se nang seamless bakeng sa likepe).Haholo-holo e sebelisetsoa liphaephe tsa khatello ea I le II bakeng sa li-boilers tsa marine le li-superheaters.Lisebelisoa tsa moemeli ke 360, 410, 460 limaraka tsa tšepe, joalo-joalo.
GB6479-2000 (Liphaephe tsa tšepe tse se nang seamless bakeng sa lisebelisoa tsa manyolo tse nang le khatello e phahameng).Haholo-holo e sebelisetsoa ho fetisa mocheso o phahameng le liphaephe tsa mokelikeli o phahameng oa khatello holim'a thepa ea manyolo.Lisebelisoa tsa moemeli ke 20, 16Mn, 12CrMo, 12Cr2Mo, joalo-joalo.
GB9948-2006 (peipi ea tšepe e sa tsitsang bakeng sa ho phatloha ha peterole).E sebelisoa haholo ho li-boilers, li-heaters tsa mocheso le liphaephe tsa mokelikeli oa li-smelters tsa petroleum.Lisebelisoa tsa eona tsa moemeli ke 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, joalo-joalo.
GB18248-2000 (Li-tubes tsa tšepe tse sa tsitsang bakeng sa li-cylinders tsa khase).Haholo-holo e sebelisetsoa ho etsa li-cylinders tse fapaneng tsa khase le hydraulic.Lisebelisoa tsa eona tsa moemeli ke 37Mn, 34Mn2V, 35CrMo, joalo-joalo.
GB/T17396-1998 (Lipeipi tsa tšepe tse se nang seamless tse kentsoeng ka ho chesa bakeng sa lisebelisoa tsa hydraulic).Haholo-holo e sebelisoa ho etsa litšehetso tsa hydraulic morafong oa mashala, lisilindara le litšiea, le lisilindara tse ling tsa haeteroliki le litšiea.Lisebelisoa tsa eona tsa moemeli ke 20, 45, 27SiMn joalo-joalo.
GB3093-1986 (Lipeipi tsa tšepe tse se nang seamless tsa khatello e phahameng bakeng sa lienjine tsa disele).E sebelisoa haholo bakeng sa phala ea oli ea khatello e phahameng ea sistimi ea enjene ea dizeli.Pipe ea tšepe hangata e huloa ka serame, 'me thepa ea eona e emelang ke 20A.
GB/T3639-1983 (peipi ea tšepe e batang e hulang kapa e kentsoeng ka mokhoa o batang).E sebelisoa haholo-holo bakeng sa lipeipi tsa tšepe tse sebelisoang meahong ea mochini le lisebelisoa tsa khatello ea k'habone tse hlokang ho nepahala ha maemo a holimo le pheletso e ntle ea bokaholimo.Lisebelisoa tsa eona tsa moemeli ke 20, 45 tšepe, joalo-joalo.
GB/T3094-1986 (peipi ea tšepe e batang e huloang ka mokhoa o khethehileng oa tšepe).Haholo-holo e sebelisetsoa ho etsa likarolo tse fapaneng tsa sebopeho le likarolo, 'me lisebelisoa tsa eona ke tšepe ea boleng bo phahameng ba carbon structural iron le low-alloy structural steel.
GB/T8713-1988 (Peipi ea tšepe e sa tsitsang e ka hare e nepahetseng ka hare bakeng sa li-cylinders tsa hydraulic le pneumatic).E sebelisoa haholo-holo ho etsa lipeipi tsa tšepe tse batang tse huloang kapa tse batang tse nang le li-diameter tse nepahetseng bakeng sa li-cylinders tsa hydraulic le pneumatic.Lisebelisoa tsa eona tsa moemeli ke 20, 45 tšepe, joalo-joalo.
GB13296-1991 (Li-tubes tsa tšepe tse se nang seamless bakeng sa li-boilers le lisebelisoa tsa mocheso).Haholo-holo e sebelisoa ho li-boilers, li-superheaters, li-heaters tsa mocheso, li-condensers, li-catalytic tubes, joalo-joalo tsa lik'hamphani tsa lik'hemik'hale.Lipeipi tsa tšepe tse nang le mocheso o phahameng, khatello e phahameng, tse sa bolaeeng ke kutu.Lisebelisoa tsa moemeli oa eona ke 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, joalo-joalo.
GB/T14975-1994 (peipi ea tšepe e se nang seamless bakeng sa sebopeho).E sebelisoa haholo bakeng sa sebopeho se akaretsang (mokhabiso oa lihotele le lireschorente) le sebopeho sa mochini oa likhoebo tsa lik'hemik'hale, tse hanyetsanang le kutu ea sepakapaka le acid ebile li na le liphaephe tsa tšepe tse matla.Lisebelisoa tsa moemeli oa eona ke 0-3Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, joalo-joalo.
GB/T14976-1994 (peipi ea tšepe e se nang seamless bakeng sa lipalangoang tsa mokelikeli).E sebelisoa haholo bakeng sa lipeipi tse tsamaisang mecha ea litaba e senyang.Lisebelisoa tsa moemeli ke 0Cr13, 0Cr18Ni9, 1Cr18Ni9Ti, 0Cr17Ni12Mo2, 0Cr18Ni12Mo2Ti, joalo-joalo.
YB/T5035-1993 (Liphaephe tsa tšepe tse se nang seam bakeng sa casings ea li-axle tsa koloi).E sebelisoa haholo ho etsa tšepe ea boleng bo holimo ea tšepe ea boleng bo holimo le lipeipi tsa tšepe tse chesang tse koahetsoeng ka seamless bakeng sa matsoho a halofo ea axle ea koloi le li-tubes tsa axle.Lisebelisoa tsa eona tsa moemeli ke 45, 45Mn2, 40Cr, 20CrNi3A, joalo-joalo.
API SPEC5CT-1999 (Casing and Tubing Specification), e hlophisitsoe le ho ntšoa ke American Petroleum Institute (American Petreleum Instiute, e bitsoang "API") 'me e sebelisoa likarolong tsohle tsa lefats'e.Har'a tsona: Casing: phala e tlohang fatše ho ea selibeng 'me e sebetsa e le lesela la lerako la seliba.Liphaephe li kopantsoe ka li-couplings.Lisebelisoa tse ka sehloohong ke limaraka tsa tšepe tse kang J55, N80, le P110, hammoho le limaraka tsa tšepe tse kang C90 le T95 tse hanyetsanang le hydrogen sulfide corrosion.Tšepe ea eona ea boemo bo tlase (J55, N80) e ka tšeloa phala ea tšepe e cheselitsoeng.Tubing: Peipi e kentsoeng ka har'a casing ho tloha fatše ho ea lera la oli.Liphaephe li kopantsoe ka li-couplings kapa ka kakaretso.Mosebetsi oa mochine oa ho pompa ke ho tsamaisa oli ho tloha lera la oli ho ea fatše ka peipi ea oli.Lisebelisoa tse ka sehloohong ke J55, N80, P110, le C90, e hanyetsanang le hydrogen sulfide corrosion, e hlophisitsoeng le ho ntšoa ke American Petroleum Institute, 'me e sebelisoa lefatšeng ka bophara.
