Chidule: Bukuli likufanizira ma Inconel, Incoloy, Hastelloy ndi Monel nickel alloys, kuphimba malire a kutentha, kukana kwa dzimbiri, kuponyera ndi machinability pakusankha magawo a mafakitale.
Bukuli limaphatikiza ma nickel alloy giredi omwe amagwiritsidwa ntchito kwambiri kuphatikiza Inconel, Incoloy, Hastelloy ndi Monel, okhala ndi data yothandiza pazanyengo za kutentha, kukana kwa dzimbiri, kuponyera ndi machinability kuthandizira kusankha kwazinthu zotsalira za mafakitale.
Zigawo za aloyi za Nickel zimaposa chitsulo chosapanga dzimbiri ndi chitsulo cha kaboni pomwe zida zimayang'anizana ndi kutentha kwakukulu, zamadzimadzi zowononga kwambiri, kapena kuphatikiza makina ndi mankhwala.
Zida zonse ziwiri za nickel alloy ndi zomwe zidasokonekera za nickel alloy zimagwira ntchito zofunika kwambiri pamafakitale olemera.
Chiyambi cha Magawo a Nickel Based Alloy
Ma aloyi opangidwa ndi nickel ndi zida zachitsulo zokhala ndi faifi tambala monga chinthu choyambirira cha matrix, chopangidwa ndi chromium, molybdenum, chitsulo, mkuwa ndi zinthu zina kuti zigwirizane ndi makina ndi dzimbiri.
Ubwino wawo waukulu ndikugwira ntchito mokhazikika pansi pa zovuta zophatikizika zomwe zimawononga zitsulo wamba: kutentha kwambiri, makutidwe ndi okosijeni, pitting, corrosion corrosion ndikuwukiridwa ndi media acidic kapena chloride.
Kusiyanitsa kwakukulu kumalekanitsa zida za nickel alloy ndi zida za nickel alloy.
Zosiyanasiyana zimapangidwira kapena kugubuduzika kenako ndi makina a CNC, zomwe zimapatsa mphamvu zowongolera tirigu komanso mphamvu zolimba zamapangidwe apamwamba.
Magawo a nickel alloy alloy, opangidwa kudzera muzoyika ndalama, amavala ma geometries ovuta monga ma valve trim, nozzles ndi zoyika zovala zamtundu pomwe mawonekedwe apafupi ndi ukonde amachepetsa ntchito yonse yamachining.
Ndizothandiza kusiyanitsa zipangizozi ndi zigawo za alloy za Stellite.
Ngakhale ma Stellite cobalt alloys amapambana pakuvala kwa abrasive, cavitation ndi hardfacing service, ma aloyi a nickel amasankhidwa makamaka kuti asawonongeke komanso kutentha kwambiri.
Banja lililonse limadzaza kagawo kakang'ono pazotsalira.
Main Nickel Alloy Families & Grade Overview
Ma aloyi a nickel amaphatikizidwa ndi machitidwe a alloying ndi mphamvu zoyambira. Mabanja anayi amalamulira machitidwe azinthu zamafakitale: Inconel, Incoloy, Hastelloy ndi Monel.
Inconel Alloy Series
Magulu a Inconel ndi ma aloyi a nickel-chromium, nthawi zambiri okhala ndi molybdenum, niobium kapena titaniyamu.
Amapangidwa kuti asunge mphamvu ndi kukana kwa okosijeni pa kutentha kokwera.
Magawo awiri odziwika kwambiri a Inconel alloy ndi Inconel 625 ndi Inconel 718.
Inconel 718 imagwiritsa ntchito kuuma kwa mvula kuti ipereke mphamvu zolimba komanso zotsika kwambiri, zomwe zimapangitsa kuti ikhale yosasinthika pazigawo zotentha kwambiri.
Inconel 625 imadalira kulimbitsa koyanjanitsa, kukana kwambiri kutsekera kwa chloride komanso kulolerana kwakukulu kwa dzimbiri mu media zosakanizika.
Inoloy Alloy Series
Magulu a inkoloy ndi ma aloyi a iron-nickel-chromium.
Zomwe zili ndi chitsulo zimachepetsa mtengo wazinthu zopangira poyerekeza ndi ma Inconel olemera a nickel pomwe zimateteza kukana kwamadzimadzi pamadzi otentha.
Incoloy 825 ndiye giredi yapamwamba pagululi.
Imalinganiza kukana kwa sulfuric acid, phosphoric acid ndi chloride stress corrosion cracking, chisankho chofala pazida zakutsika zamafuta ndi mafuta.
Hastelloy Alloy Series
Hastelloy ndi banja la nickel-molybdenum-chromium alloy lomwe linamangidwa kuti liwononge kwambiri mankhwala.
Kuchuluka kwa molybdenum kumapangitsa magawo a Hastelloy alloy kulolerana mwamphamvu pakuchepetsa ma acid, mitsinje yosakanikirana ya asidi ndi madzi okhala ndi chloride.
Banja ili ndiloyamba kuganiziridwa pa ma reactors, ma manifolds ndi ma valve trim omwe amawonetsedwa ndi aggressive chemical media pomwe chitsulo chosapanga dzimbiri kapena Inconel yokhazikika imalephera mwachangu.
Monel Alloy Series
Ma aloyi a monel ndi ma aloyi a nickel-copper okhala ndi chromium yochepa. Monel 400 ndiye kalasi yodziwika kwambiri.
Amapereka kukana kwambiri kwa hydrofluoric acid ndi kukokoloka kwa madzi a m'nyanja, ndi ductility wabwino komanso makina osavuta poyerekeza ndi magiredi ambiri a faifi tambala wapamwamba kwambiri.
Amagwiritsidwa ntchito kwambiri m'madzi, desalination ndi hydrofluoric acid posamalira machitidwe.
| Gulu la Aloyi | Mawu Ofunika Kwambiri | Max Continuous Service Temp | Media Resistant | Kutaya mtima | Kuvuta kwa Machining | Magawo Okhazikika Okhazikika |
| Mtengo wa 625 | Ni-Cr-Mo-Nb | 980°C | Oxidizing media, kloridi, madzi a m'nyanja | Wapakati; sachedwa kung'ambika kotentha | Wapamwamba, wolimbikira ntchito | Zisindikizo za turbine za gasi, ma nozzles amankhwala, matupi a valve |
| Mtengo wa 718 | Ni-Cr-Mo-Nb-Ti | 700°C | Mpweya wotentha kwambiri, zowononga pang'ono | Zabwino; kukhudzidwa ndi kuzizira kwa kuponya | Pamwamba kwambiri; imafunikira zida zolimba | Ma disks a turbine, ma plugs othamanga kwambiri, zomangira |
| Mtengo wa 825 | Ni-Fe-Cr-Mo-Cu | 540 ° C | Sulfuric acid, phosphoric acid, brine | Zabwino | Wapakati | Machubu osinthira kutentha, zigawo za chubu zamafuta |
| Maphunziro a Hastelloy | Ni-Mo-Cr | 700-1090 ° C (zodalira kalasi) | Ma acid osakanikirana, kuchepetsa / oxidizing mitsinje yamankhwala | Wapakati | Wapamwamba | Ogwiritsa ntchito mkati mwa Reactor, trim valve trim, orifice plates |
| Mtengo wa 400 | Ndi-Ku | 480 ° C | Madzi a m'nyanja, hydrofluoric acid, alkaline media | Zabwino | Otsika-mwapakati | Mipando ya valve ya m'madzi, ma shafts a pampu, zopangira mapaipi amadzi am'nyanja |
Zindikirani: Hastelloy amapereka magiredi angapo osiyana; kusiyanasiyana kwa kutentha kumeneku ndikofala kwambiri. Nthawi zonse tsimikizirani malire motsutsana ndi datasheet ya kalasi yanu yeniyeni ya Hastelloy.
Kuwonongeka kwa Magwiridwe ndi Nickel Alloy Grade
Poyerekeza magawo a nickel alloy pulojekiti, magawo atatu a magwiridwe antchito amayendetsa zisankho zatsatanetsatane: kukhazikika kwa kutentha kwambiri, kukana kwa dzimbiri ndi machitidwe amakina.
Kutentha kwakukulu kwamphamvu & kukana kwa okosijeni
Magiredi aInconel amatsogolera gululi. Inconel 625 imasunga bata pamtunda motsutsana ndi okosijeni mpaka pafupifupi 980 ° C mumpweya woyera, pomwe Inconel 718 imangokhala yochepetsera kutentha kosalekeza chifukwa mawonekedwe ake olimba a mvula amasweka pakutentha kwambiri.
Hastelloy imatha kupereka kukana kwa dzimbiri kwanthawi yayitali, koma magwiridwe ake amakasitomala sangafanane ndi Inconel muutumiki wotentha wanthawi yayitali.
Monel ndi Incoloy sanapangidwe kuti azigwira ntchito yotentha kwambiri; mphamvu zawo zimatsika mofulumira kuposa malire awo a kutentha.
Chidziwitso chofunikira: kutentha komwe kumasindikizidwa kumagwira ntchito pazaukhondo.
Nthunzi zowononga, sulfure kapena malo amchere osungunula amachepetsa kwambiri kutentha kwa ntchito.
Kukana kwa dzimbiri kwa media media osiyanasiyana
Banja lililonse la alloy lili ndi mphamvu zomveka bwino komanso mawanga akhungu:
- Inconel: Yamphamvu motsutsana ndi oxidation ndi chloride pitting, yotsika mtengo pakuchepetsa kwambiri zidulo.
- Hastelloy: Chisankho chabwino kwambiri cha asidi osakanikirana komanso kuchepetsa malo okhala ndi mankhwala, ngakhale okwera mtengo.
- Inkoloy 825: Zotsika mtengo zochepetsera sulfuric ndi phosphoric acid, komanso malo okhala ndi brine.
- Monel 400: Yabwino kwambiri ndi hydrofluoric acid ndi madzi a m'nyanja, kusachita bwino mu ma oxidising acids amphamvu monga nitric acid.
Zolephera zambiri zatsatanetsatane zimachitika mainjiniya akasankha chotengera chotentha kwambiri osayang'ana kuti chikugwirizana ndi njira yamadzimadzi.
Zimango katundu m'chipinda ndi okwera kutentha
Inconel 718 imadziwika chifukwa cha mphamvu zokolola zambiri pambuyo poumitsa zaka, ndichifukwa chake imagwiritsidwa ntchito potengera zinthu zozungulira komanso zokhala ndi kukakamiza.
Inconel 625 ili ndi mphamvu zochepa zotentha m'chipinda koma imapangidwa bwino komanso kusinthasintha kwa dzimbiri.
Monel 400 imapereka ductility yabwino komanso kukana kwamphamvu, komwe kumagwirizana ndi mapampu ndi ma valve omwe amatha kutsitsa.
Kupanga: Kuponya & CNC Machining a Nickel Alloy Parts
Kupanga kumakhudza mwachindunji nthawi yotsogolera, mtengo ndi gawo lomaliza la zida zonse ziwiri za nickel alloy ndi zosoweka za nickel alloy.
Ma aloyi a nickel amadziwika kuti ndizovuta kupanga makina, ngakhale zovuta zimasiyana kwambiri ndi kalasi.
Kukhazikika kwa ma aloyi a nickel
Ma aloyi a nickel okhala ndi chromium ndi molybdenum wambiri amakhala ndi chiopsezo cha kusweka kotentha panthawi yolimba.
Inconel 718 imakhudzidwa kwambiri ndi ma gradient otentha poponya.
Investment casting zopangira zimayenera kuwongolera kutentha kothira, kutentha kwa nkhungu ndi njira zoziziritsa kuti achepetse porosity ndi misozi yotentha.
Monel 400 ndi Incoloy 825 ali ndi mwayi wabwino kwambiri pakati pa gululo ndipo amakhululukira kwambiri zojambula zowonda kwambiri.
Hastelloy ndi Inconel 625 zimafunikira kuwongolera kocheperako komanso kukana kwambiri.
Makhalidwe a Machining & zovuta zofala
Zosokonekera zikapangidwa, ma nickel alloy castings amafunikirabe kumalizidwa bwino kwa CNC.
Kugwira ntchito molimbika ndiye vuto lalikulu la makina. Kudula kutentha kumamanga mofulumira m'mphepete mwa chida, kufulumizitsa kuvala kwa mbali.
Mashopu amagwiritsa ntchito kuthamanga kwapang'onopang'ono, jiometri yabwino yopangira zida komanso kutulutsa kozizira kowolowa manja kwa Inconel ndi Hastelloy.
Makina a Monel 400 amakhala osavuta, chomwe ndi chifukwa chimodzi chomwe chimatchuka pazigawo zamadzi am'nyanja.
Inconel 718 ndiyovuta kwambiri; ma workshop ambiri amagwiritsa ntchito zida za ceramic kapena zokutira za carbide ndi mitengo yotsika ya chakudya kuti apewe kusanjikiza kolimba kwa ntchito.
Pambuyo pokonza: chithandizo cha kutentha, kuchepetsa nkhawa, kuyendera kwa NDT
Zofunikira za chithandizo cha kutentha zimasiyana kwambiri: Inconel 718 imafuna kuumitsa zaka kuti itsegule mphamvu zake zapamwamba, pamene Inconel 625 ndi Hastelloy nthawi zambiri zimaperekedwa muzothetsera zowonongeka.
Kuchepetsa kupsinjika ndi muyezo wa zida zotayidwa komanso zomangidwa kwambiri ndi nickel alloy kuti muchepetse kupsinjika kotsalira ndi kupotoza.
Magawo ofunikira nthawi zambiri amafunikira kuwunika kwa NDT kuphatikiza kuyesa kolowera, kuyesa kwa radiographic kapena kuyang'anira akupanga, kutengera zomwe makampani amapangira mafuta ndi gasi, mphamvu kapena kugwiritsa ntchito mumlengalenga.
Ntchito Zofananira Zamakampani & Zitsanzo Zagawo Zagawo
Mapu amtundu uliwonse wa nickel alloy kumagulu azigawo zamafakitale omwe amafotokozedwa ndi momwe zimakhalira.
Mafuta & gasi ndi zida za petrochemical
Mafuta ndi gasi valavu trim, kutsamwitsa zigawo zikuluzikulu, zoikamo wellhead ndi olekanitsa mkati pafupipafupi gwiritsani ntchito ma Inconel 625, Incoloy 825 ndi Hastelloy.
Ma alloys awa amalimbana ndi brine wowawasa, carbon dioxide ndi hydrogen sulfide corrosion yomwe imawononga chitsulo chosapanga dzimbiri.
Kupanga magetsi (gasi turbine, zigawo za boiler)
Makina osindikizira a gasi, zida zoyatsira moto ndi zida za turbine bypass bypass valve nthawi zambiri zimafotokozera magawo a Inconel alloy kuti azitha kukwawa komanso kukana makutidwe ndi okosijeni pansi pa ntchito yotentha kwambiri.
Chemical processing & acidic sing'anga zida
Hastelloy ndiye kusankha koyambirira kwa ma reactors amankhwala, zosakaniza zosakaniza, zowongolera ma valve ndi ma manifolds osamutsa omwe amawonetsedwa ndi asidi osakanikirana, chloride ndi oxidising media.
Marine, desalination ndi ntchito yamadzi am'nyanja
Monel 400 imagwiritsidwa ntchito kwambiri pamavavu amadzi am'nyanja, zida zapampu ndi zomangira.
Imapirira dzimbiri limodzi lamadzi am'nyanja kuposa magiredi ambiri osapanga dzimbiri, ngakhale ilibe chitetezo ku dzimbiri zomwe zimakhudzidwa ndi ma microbiologically pansi pa malo osasunthika.
Azamlengalenga & matenthedwe processing zipangizo
Zida zazamlengalenga zimadalira kwambiri Inconel 718 pamakina opangira magetsi komanso zida zamapangidwe.
Ntchitozi zimafuna kutsatiridwa kwathunthu kwazinthu, malipoti ovomerezeka oyeserera komanso kachitidwe kowongolera kutentha kokhazikika.
Upangiri Wosankha Makalasi a Nickel Alloy kwa Ogula & Mainjiniya
Kusankha giredi yolondola ya nickel alloy kumafuna kusanja zosintha zinayi zazikuluzikulu: kutentha kwa magwiridwe antchito, sing'anga yapakati, kuchuluka kwamakina ndi mtengo waumwini wonse.
Zosankha zazikuluzikulu: kutentha, sing'anga, katundu, bajeti
Yambani polemba kutentha kosalekeza kwa ntchito, kutentha kwambiri, chemistry yamadzimadzi, pH, chloride ndende komanso ngati chilengedwe chikuwotcha kapena kuchepetsa.
Kenako fotokozerani zofunikira zamakina monga static katundu, kutopa kwapang'onopang'ono, kuthamanga ndi kuvala.
Ngati kutentha kuli kokwera ndipo kutsitsa kuli kofunikira, Inconel nthawi zambiri imakhala poyambira.
Ngati chiwopsezo chachikulu ndikuwonongeka kwa asidi, yesani Hastelloy.
Pamadzi am'nyanja kapena ntchito ya HF, Monel 400 nthawi zambiri ndiyoyenera.
Kwa dzimbiri pang'onopang'ono ndi kukakamizidwa kwa bajeti, Inkoloy 825 ndi munthu wamphamvu.
Kusintha kalasi wamba zomwe mungachite ndi zomwe simungachite
Osasintha magiredi potengera mtengo wokha. Aloyi yotsika mtengo yomwe imalephera nthawi isanakwane imapangitsa kutseka kwapamwamba kwambiri komanso ndalama zosinthira.
- Osalowa m'malo mwa Hastelloy ndi Incoloy pochepetsa kwambiri mitsinje ya asidi.
- Osasankha Monel ya nitric acid kapena malo okhala ndi okosijeni kwambiri.
- Inconel 625 simalo olowera m'malo mwa Inconel 718 yolimba kwambiri pakafunika mphamvu zolimba.
Kugulitsa: magwiridwe antchito motsutsana ndi zinthu & mtengo wamakina
Hastelloy ndi Inconel 718 amalamula mtengo wapamwamba kwambiri wazinthu ndi makina.
Monel ndi Incoloy amapereka malo olowera otsika mtengo pamene envulopu yawo yogwira ntchito ikugwirizana ndi malo ogwirira ntchito.
Ogula ambiri amawunikanso ngati zokutira zokutira zimatha kukwaniritsa zofunikira m'malo mwa gawo lolimba la nickel alloy.
Mafunso Ofunsidwa Kawirikawiri
Kodi pali kusiyana kotani pakati pa Inconel ndi Hastelloy?
Inconel imakonzedwa kuti ikhale ndi mphamvu zotentha kwambiri komanso kukana kwa okosijeni. Hastelloy imayika patsogolo kukana kwa ma acid osakanizika mwamphamvu komanso kuchepetsa media zowononga.
Hastelloy nthawi zambiri amaposa Inconel muutumiki woopsa wamankhwala, pomwe Inconel imakonda kwambiri pazigawo zotentha.
Kodi Inconel 718 ndiyosavuta kuyiyika kuposa Inconel 625?
No. Inconel 718 ili ndi zenera locheperako komanso limatha kusweka kwambiri, zomwe zimafunikira kuti aziwongolera molimba kwambiri poyerekeza ndi Inconel 625.
Ma Foundries nthawi zambiri amachulukitsa makulidwe a khoma kapena amagwiritsa ntchito mapangidwe oyeretsedwa kuti achepetse kukana kwa Inconel 718 castings.
Kodi Monel 400 ingagwiritsidwe ntchito pa hydrochloric acid service?
Monel 400 imachita bwino mu dilute, mpweya wopanda hydrofluoric acid. Kuchita kwake mu hydrochloric acid kumadalira kwambiri ndende, kutentha ndi mpweya; mpweya wosungunuka ndi zowononga oxidizing zimathandizira dzimbiri mwachangu.
Kodi pali kusiyana kotani pakati pa zida za nickel alloy and wrought?
Magawo a aloyi a faifi tambala amayamba kuchokera kuzinthu zopangira kapena zopindidwa ndipo amakhala ndi makina a CNC, omwe amapereka mphamvu zapamwamba komanso zokhazikika.
Magawo a nickel alloy alloy amapangidwa pogwiritsa ntchito kuponyedwa, oyenererana ndi ma geometries ovuta ndipo nthawi zambiri amakhala otsika mtengo pamapangidwe apamwamba a zida zotsalira.
