Hastelloy

Mocheso ona, li-flange tsa tšepe tse duplex tse fetang likhato tse 300 tsa Celsius li ntse li sirelelitsoe ho ebrittlement ka lebaka la ho bola. Bokhoni ba likotopo bo boetse bo ntle haholo mochesong o tlase. Ho etsoa ha thepa ho etsoa feela ka lisebelisoa tse abetsoeng thepa ea tšepe e sa hloekang. E tlameha ho hloekisoa hantle pele e sebelisoa. Sena se etsoa ho sireletsa tšepe e sa hloekang hore e se ke ea silafatsoa ke tšepe e senyang.
Stainless,Duplex,Special Alloy,Inconel,Monel,Hastelloy,Nitronic & Carbon Steel - Zhengzhou Huitong Pipeline Equipment Co., Ltd.

Tekanyo ea lik'hemik'hale e lumella motsoako ho bonts'a khanyetso e ntle ho carburization, oxidation le nitriding atmospheres. 800HT e ke ke ea senyeha le ka mor'a nako e telele ea ho sebelisoa sebakeng sa 1200-1600 deg F moo litšepe tse ngata tse sa hloekang li fetohang brittle. Litšobotsi tse ntle haholo tsa ho etsa serame hangata tse amanang le li-alloys tsa nickel-chromium li hlahisoa ka 800HT. Ha serame se bopehile haholo boholo ba lijo-thollo bo hlahisa bokaholimo bo bonahalang bo sa tsitsang bo bitsoang "lekhapetla la lamunu". 800HT e ka chesetsoa ka mekhoa e tloaelehileng e sebelisoang litšepeng tse sa hloekang.

Nickel e thehiloeng 800 Incoloy Hexagonal Pipe e tsejoa e na le khanyetso e ntle ea ho senya. Ha e le hantle, Inkoloy 800 Pipe e fana ka khanyetso e lekaneng khahlanong le carburization hammoho le oxidation corrosion.

Li-alloys tsa nickel tse sebetsang hantle bakeng sa masimo a oli e bolila le khase. Inkoloy 800HT Tubing li-alloys tse entsoeng ka nickel tse thata le li-alloys tse tiileng tse thehiloeng ho nickel li fana ka melemo e mengata e kang matla a phahameng, ho tiea, matla a tlaase a matla a khoheli le ho hanyetsa ha kutu. Inkoloy 800HT Tubing e ipakile e le lisebelisoa tsa bohlokoa le tse fapaneng tse khonang ho rarolla mathata a mangata a fapaneng a moralo le ts'ebeliso. Inkoloy 800HT Tubing e na le bokhoni ba ho hanela maemo a mocheso a tlase a mabifi, hammoho le libaka tse tletseng bora tsa mocheso o phahameng. The weldability e babatsehang ea motsoako, le bokhoni ba eona ba ho kopanngoa ka katleho haholo ho li-alloys tse ling tse nang le lihlopha tse fapaneng.

A105 Flanges ke likarolo tse bōpehileng joaloka disc, tse atileng haholo ho boenjiniere ba liphaephe. Li-flange li sebelisoa ka bobeli 'me li tsamaisana le tsona holim'a li-valve. Boenjiniere ba liphaephe, li-flange li sebelisoa haholo-holo bakeng sa ho hokahanya lipeipi. Liphaepheng tse lokelang ho kopanngoa, li-flange li ka kenngoa ka litsela tse sa tšoaneng. Liphaephe tsa khokahanyo ea mohala li ka sebelisoa bakeng sa liphaephe tse nang le khatello e tlase, 'me li-flange tsa welding li ka sebelisoa bakeng sa khatello e ka holimo ho 4 kg. Kenya washer pakeng tsa li-flange tse peli, ebe u tiisa ka liboutu.

Ho feta moo, thepa ea alloy e etsa hore e be khetho e ntle haholo bakeng sa ts'ebeliso ea metsi a leoatle, ho kenyelletsa le ho lokoloha tlhaselong ea lehae (pitting le crevice corrosion), matla a phahameng a corrosion-mokhathala, matla a phahameng a tsitsipano, le ho hanyetsa khatello ea maikutlo ea chloride-ion.

Ho eketsoa ha molybdenum le chromium ho li-alloys tsa eona ho netefatsa thepa e ntle ea mochini le tekanyo e itseng ea ho hanyetsa kutu. Li-flange tsa ASTM A182 F22 Sehlopha sa 3 li na le khanyetso e ntle ea kutu ea sepakapaka le ho hanyetsa ho hoholo ha li le mochesong o phahameng. Ho eketsoa ha molybdenum ho li-alloys hangata ho amahanngoa le ho satalla ho hoholo le ho thatafala. Ka hona, ha e kenyelelitsoe sebopehong sa lik'hemik'hale tsa Astm A182 F22 Class 1 WNRF Flanges, ho tiea ha eona ho fa motsoako monyetla ho feta limaraka tse tloaelehileng tsa tšepe ea carbon.

Lisebelisoa tse tloaelehileng tsa alloy li kenyelletsa ethylene pyrolysis, hydrocarbon cracking, libono tse phunyehang bakeng sa vinyl chloride, diphenol le acetic acid. Alloy e boetse e sebelisetsoa li-valve, li-fittings le likarolo tse ling tse pepesehileng tlhaselo e senyang ho tloha 1100 ho isa ho 1800 deg F.

Sebaka se chitja se tlohang ho 3\/4" ho isa ho 6" bophara, le lakane e lekanyang e bobebe le poleiti. Thepa ea Inkoloy 800 H e ka fanoa ka bolelele bo sa reroang, e sehiloeng ho odara kapa ea etsoa ka mochini ho latela litlhoko tsa bareki. Ho cheka ho kenyelletsa ho cheka, ho roka, ho sila, libopeho tsa CNC, ho reteleha, ho tlanya, li-flange le tse ling.

800H e ke ke ea senyeha mefuteng e mengata ea mecha ea litaba. Likahare tsa eona tse phahameng tsa nickel li entse hore e be le thepa e ntle ea khatello ea maikutlo e hanyetsanang le ho senyeha ha metsi maemong a ho bola ha metsi. Litaba tse phahameng tsa Chromium li entse hore e khone ho hanela likoti le mapheo a matle. Alloy ena e ka hanana le nitric acid le organic acid corrosion, empa ha e ntle hakaalo ka sulfuric acid le hydrochloric acid.

Alloy 800 - Letoto la 800 la alloy (Incoloy 800, 800H le 800HT) ke li-nickel-iron-chromium superalloys tse nang le thepa e babatsehang ea matla a mocheso o phahameng le ho hanyetsa oxidation, carburization le mefuta e meng ea mocheso o phahameng oa mocheso. Alloy 800, 800H le 800HT li sebelisoa lits'ebetsong tse fapaneng ho tloha ho likarolo tsa sebopi, li-tubes tsa petrochemical furnace cracker to sheathing bakeng sa likarolo tsa ho futhumatsa motlakase.

Li-flanges ke karolo ea bohlokoa ea indasteri ea ts'ebetso. Bongata ba liindasteri, ho kenyeletsoa oli le khase, tlhoekiso ea metsi, le ho fehla matla a nyutlelie, li sebelisa lipeipi tse lumellang mecha ea phatlalatso ho phalla pakeng tsa likarolo tse fapaneng tsa limela. Likarolo tse kang li-fittings le carbon steel SA105 pipe flanges li thusa ho laola phallo ea mecha ea litaba e boletsoeng.

Carbon steel ke tšepe eo karolo e ka sehloohong ea alloying e leng carbon. Tšepe e nkoa e le tšepe ea carbon ha ho se na litlhoko tse fokolang tsa chromium, cobalt, molybdenum, nickel, titanium, tungsten kapa likarolo tse ling tsa motsoako. Litšepe tsa carbon li ka thatafatsoa le ho ba matla ka ho phekola mocheso. Litekanyo tsena tsa boima le matla li khethoa ke carbon content - ha carbon content e phahame, tšepe e tla ba thata le ho feta.

800H (NCF 800H, UNS N08810)\/NAS 800T (UNS N08811) ke li-alloys tsa nickel-iron-chromium tse fanang ka matla a phahameng le ho hanyetsa ka mokhoa o babatsehang ho oxidation le carburization ka mocheso o phahameng. Matla a phahameng a ho sisinyeha a fumanoa ka ho laola lithollo tsa kristale¡ª ka phekolo ea mocheso o phahameng oa mocheso, hammoho le taolo e ntle holim'a carbon, titanium, le aluminium content. Nippon Yakin e fana ka sehlahisoa sena ka poleiti, lakane le mefuta e hlobolisa.

A-694 limaraka, F42 ho F70 (bakeng sa likopo tsa molumo o phahameng). Ka lebaka la matla a phahameng a thepa ena, u tla fumana boitsebiso bo bongata bo sebelisoang haholo litšebeletsong tsa lipeipi. Lisebelisoa tsa tšepe tsa alloy li na le chromium le molybdenum tse phahameng ho feta tse tloaelehileng tsa carbon steel forgings 'me li etselitsoe mocheso o phahameng (ho feta 1000 * F), tšebeletso ea khatello e phahameng. Li boetse li na le khanyetso e phahameng ea kutu ho feta litšepe tse tloaelehileng tsa carbon steel ka lebaka la litaba tsa tsona tse phahameng tsa chromium.

ASTM A105 e koahela li-flange tsa tšepe tse entsoeng ka carbon le likarolo tsa liphaephe bakeng sa tšebeletso ea mocheso le mocheso o phahameng tsamaisong ea khatello. E boetse e kenyelletsa li-fittings, li-valve le likarolo tse tšoanang. Boima bo boholo ba li-forging tse entsoeng tseo tekanyetso ena e li latelang ke li-circles tse 10,000 (4,540kg). Li-forging tse kholoanyane li ka etsoa ho latela Standard A 266\/A266M. Tlhaloso ena ha e koahele maqephe a li-tube le li-cylindrical forgings tse se nang letho bakeng sa likhetla tsa sekepe sa khatello.

Tšepe e bonolo, ke mofuta oa tšepe ea carbon. Carbon e teng litšepeng tsohle 'me ha carbon e le motsoako o ka sehloohong oa tšepe e bitsoang carbon steel. Ka lehlakoreng le leng, palo ea carbon e teng ka har'a tšepe e khetholla mofuta kapa boemo ba carbon steel. Tšepe e bonolo e na le khabone e tlase haholo ho feta tšepe efe kapa efe, empa seo ha se e etse hore e se be le thuso. Ha e le hantle, tšepe e bonolo ke eona e sebelisoang ka ho fetisisa ea tšepe, e etsang karolo ea 85 lekholong ea tlhahiso ea tšepe ea U.S.

Ka kakaretso, lintho tse se nang k'habone tsa lipeipi tsa tšepe tsa carbon li tlase ho feta tsa flanges tse qhibilihisitsoeng. Ha li na oxidize kapele haholo. Li sephara ebile li bobebe ha li hahoa, 'me li-flange tse kopantsoeng li na le thepa e ntle ea mochini. Mekhoa e sa nepahalang ea ho qhekella hangata e baka lijo-thollo tse pharaletseng kapa tse sa tloaelehang; mapetsong a thatafatsang le ho qhekella a molelele hofeta mapheo a entsoeng.

Re fana ka li-flange tsa ASTM A182 F11 tse telele tsa butt weld tse nang le niobium le titanium e kentsoeng indastering ea merafo, ea kaho, ea terene le ea sefofane bakeng sa ho hanyetsa matla le matla a maholo. Re hlokomela ka hloko mekhoa ea 'maraka le litlhoko tsa ho qapa lihlahisoa tse ncha, tse tšoarellang le tsa moruo tse ka etsoang ka mokhoa o ikhethileng. Lihlahisoa tsa rona li netefalitsoe ka botlalo ebile li tšoarella ka 100%.

ASTM A182 ke Tlhaloso e Tloaelehileng bakeng sa Pipe ea tšepe e Forged or Rolled Alloy ASTM A182 F11, Li-Fittings tse Forged, le Li-valve le likarolo. Li-flange tsena tsa tšepe tsa alloy A182 grade F11 WNRF li etselitsoe lisebelisoa tse phahameng tsa mocheso.

Li-flange tsa ASTM A182 F5 li entsoe ka motsoako oa tšepe oa chrome-molybdenum 'me ka hona li na le khanyetso e phahameng ea ho robeha. Boima ba bona bo tlase bo boetse bo ratoa ka lebaka la khabone ea bona e tlase le thepa e phahameng ea alloy. E hanyetsana haholo le ho phatloha ha sulfide corrosion mme e khona ho mamella tlhaselo ea hydrogen.

A182 ke sebopeho sa li-alloy flange tse rolotsoeng kapa tse ferekaneng bakeng sa lits'ebeletso le lits'ebetso tsa khatello e phahameng. Re fana ka li-flange tsa tšepe tsa F11 tse nang le khabone ho fihla ho 3%, tse fanang ka sebaka sa li-flanges ho matlafatsa ts'ebetso ea tsona ea ho cheseha le ho ba le sebopeho, ha li ntse li eketsa matla a tsona ka kakaretso.

Butt weld flanges hangata e sebelisoa lits'ebetsong moo khatello e phahameng e leng matšoenyeho. Bophara bo ka hare ba flange bo etselitsoe ho bapisa bophara bo ka hare ba phala. Li-flange tsa lipeipi tsa butt weld tse nang le li-hubs li fumaneha ka boholo bo phatlalalitsoeng ho tloha ho 1\/2" ho isa ho 96″. Khamphani ea rona e etsa li-flange tsa butt weld ka limaraka tsohle, boholo le boholo.

Incoloy 800HT pipe e se nang seam e fumaneha ho fihla ho 8 ″ NB. Mefuta e meholoanyane e fumaneha kahong e cheselitsoeng (100% X-ray) hape e ka etsoa ho odara. Incoloy 800HT tubing e fumaneha ho fihla ho 3 ″ OD. Incoloy 800HT li-tubes le li-tubing tse nang le mamello e thata li ka fanoa ka boholo bofe kapa bofe ho sa tsotelehe hore na boholo bo nyane hakae kapa bongata.

Li-flange tsa F11 li entsoe ka thepa ea boleng bo holimo ho sebetsa hantle le maemong a thata ka ho fetesisa. Tafole ena ea boima e boetse e fumaneha 'me lihlahisoa li etsoa ho itšetlehile ka eona. Tlhaloso ea tšepe ea alloy F11 flange, mofuta oa sefahleho o qala ho tloha sefahlehong se bataletseng, sefahleho se phahamisitsoeng, lenonyeletso la lesale, joalo-joalo Tsena li sebelisoa lits'ebetsong moo ho hanyetsanang ho fokolang ho hlokahalang le ho hanyetsa ka kakaretso hoa hlokahala.

Sehlopha sa F22 ke boemo ba tšepe ea alloy e tlase e nang le chromium e pakeng tsa 2% le 2.5%. Litaba tsa chromium le molybdenum li habeli ho feta tsa sehlopha sa F11. Leha ho le joalo, ka lebaka la boholo ba dikahare tsa likarolo tsohle tsa alloy ho fihla ho 5%, e khetholloa e le boemo bo tlaase ba tšepe ea alloy. Joalo ka sekhahla sa tšepe ea alloy e tlase, li-flange tsa ASTM A182 F22 li feta tšepe ea khabone, haholo lits'ebetsong tse kenyelletsang mocheso o phahameng.

Alloy 625 ka kakaretso e fanoa maemong a annealed, ho fana ka botsitso bo matla nakong ea tlhahiso le ts'ebeletso e latelang. INCONEL 625 alloy e fumane hore e na le khanyetso ho metsi a nooang le a letsoai kapa a letsoai, moo li-ion tsa Chloride li bakang hore likoti le likoti li thehoe. Ka lebaka leo, liphaephe tsa ho bokella khase e bolila li hahiloe ka motsoako o tiileng (kapa o koaletsoeng) oa INCONEL 625 'me o sebelisoa ho futhumatsa metsi a leoatle libakeng tsa tlhoekiso, lifemeng tsa motlakase le lits'ebeletso tse kaholimo ho lebopo tseo hangata li hlokang thepa ena.

Hobane li hlahisoa ho latela litlhaloso tsa ASTM A182, li hloka ho fihlela litlhoko tse itseng, joalo ka lihlahisoa le thepa ea matla a thata. Mehaho e meng ea mochini e hlokahalang bakeng sa li-flange tse khoele tsa Sa182 F22 li kenyelletsa boima ba Brinell le litekanyo tsa bolelele. E le ho ntlafatsa thepa ea alloy, likarolo tsena li hloka ho etsoa ka mokhoa o reriloeng esale pele oa phekolo ea mocheso. Litlhoko tsena li kenyelletsa mofuta oa kalafo ea mocheso e sebelisoang ho Astm A182 F22 alloy steel flange le mocheso oo e tla etsoa ho ona. Nakong ea kalafo ea mocheso, ntle le ts'ebetso ea ho tima e lokelang ho etsoa, ​​lintho tse ling tse hlokahalang li kenyelletsa sebaka seo flange ea Astm A182 F22 e tla pholile ho eona.

boleng bo phahameng tšepe flange a 105 a 182 321 304 304l 316 316l 201 202 F5 F9 F11 F12 F22 F91 1.7338 1.7335 1.7380

Alloy steel A182 F5 grade WNRF flanges e kentse melala bakeng sa matla a eketsehileng le ho tšoara. Tsena li ka sebelisoa tlas'a khatello e phahameng ea khase le phallo ea metsi kaha ke bopaki ba ho lutla. Li ka boela tsa sebelisoa ka mocheso o phahameng haholo le o tlaase haholo, kaha molala o nang le welded o ka fokotsa haholo ho lutla. Lifahleho tse phahamisitsoeng li fana ka ts'oarello e ntle bakeng sa bolting kapa welding.