Izingxenye ze-Nickel Based Alloy: Inconel, Incoloy, Hastelloy & Monel Material Guide 

Isifinyezo: Lo mhlahlandlela uqhathanisa i-Inconel, i-Incoloy, i-Hastelloy ne-Monel nickel alloys, ehlanganisa imikhawulo yamazinga okushisa, ukumelana nokugqwala, ukusakaza kanye nokusebenziseka kokukhethwa kwezingxenye ezisele zezimboni.

Lo mhlahlandlela uhlanganisa amamaki e-nickel alloy asetshenziswa kabanzi ahlanganisa i-Inconel, i-Incoloy, i-Hastelloy ne-Monel, enedatha esebenzayo yemikhawulo yamazinga okushisa, ukumelana nokugqwala, ukusakaza kanye nokukwazi ukusekela ukukhethwa kwezingxenye eziyisipele zezimboni.

Izingxenye zengxubevange esekelwe ku-nickel zidlula insimbi engagqwali evamile ne-carbon steel lapho okokusebenza kubhekene nokushisa okuphezulu, uketshezi oludlayo olunamandla, noma ukulayishwa komshini namakhemikhali okuhlanganisiwe.

Zombili izingxenye ze-nickel alloy kanye nezikhala ze-nickel alloy ezenziwe ngomshini zisebenza imisebenzi ebalulekile kuzo zonke izimboni zezinqubo ezinzima.

Isingeniso sezingxenye ze-Nickel Based Alloy

Ama-alloys asekelwe ku-nickel ayinsimbi ene-nickel njengento eyinhloko ye-matrix, ehlanganiswe ne-chromium, i-molybdenum, insimbi, ithusi nezinye izakhi ukuze kuhlanganiswe izakhiwo zemishini nokugqwala.

Inzuzo yabo enkulu ukusebenza okuzinzile ngaphansi kwezingcindezi ezihlanganisiwe ezilulaza izinsimbi ezivamile: i-high-temperature creep, i-oxidation, i-pitting, ukugqwala kwe-crevice kanye nokuhlaselwa yimithombo ye-acidic noma ecebile nge-chloride.

Umehluko oyinhloko uhlukanisa izingxenye ze-nickel alloy ekhandiwe kanye nezingxenye ze-nickel alloy.

Izinhlobonhlobo ezisetshenzisiwe zenziwe ngomkhonyovu noma zigoqwe bese kufakwa imishini ye-CNC, enikeza ukulawula okusanhlamvu okuqinile namandla aphakeme okuqina kwemiklamo elayisha kakhulu.

Izingxenye ze-nickel alloy, ezikhiqizwa ngokusakazwa kwe-investimenti, zifanelana nejometri eyinkimbinkimbi njenge-valve trim, imibhobho nokufakwa okugqokwayo lapho ukubunjwa kwe-close-net kunciphisa umsebenzi womshini ophelele.

Kuyasiza ukuhlukanisa lezi zinto ezivela ezingxenyeni ze-Stellite alloy.

Ngenkathi ama-Stellite cobalt alloys ehamba phambili ekugqokeni kwe-abrasive, cavitation kanye nesevisi ye-hardfacing, ama-nickel alloys akhethelwa ngokuyinhloko ukumelana nokugqwala kanye nobuqotho besakhiwo sezinga lokushisa eliphezulu.

Umndeni ngamunye ugcwalisa i-niche ehlukile ekucacisweni kwengxenye eyisipele.

Imindeni ye-Nickel Alloy Eyinhloko & Uhlolojikelele lweBanga

Ama-nickel alloys aqoqwe ngamasistimu we-alloying namandla okusebenza ayisisekelo. Imindeni emine ibusa ama-oda ezingxenye zangokwezifiso zezimboni: Inconel, Incoloy, Hastelloy neMonel.

I-Inconel Alloy Series

Amamaki e-Inconel angama-nickel-chromium alloys, ngokuvamile anezengezo ze-molybdenum, i-niobium noma i-titanium.

Zenzelwe ukugcina amandla nokumelana ne-oxidation emazingeni okushisa aphakeme.

Izingxenye ezimbili ezichazwe kabanzi ze-Inconel alloy ziyi I-Inconel 625 kanye ne-Inconel 718.

I-Inconel 718 isebenzisa ukuqina kwemvula ukuze ilethe amandla ashubile futhi anyakazayo, iyenze kube okuzenzakalelayo kwezingxenyekazi zekhompuyutha ezilayishiwe zesigaba esishisayo.

I-Inconel 625 incike ekuqinisweni kwesixazululo esiqinile, ngokumelana okuhle kakhulu ne-chloride pitting kanye nokubekezelela ukugqwala okubanzi emithonjeni yezindaba exubile.

I-Incoloy Alloy Series

Amamaki e-Incoloy angama-alloys e-iron-nickel-chromium.

Okuqukethwe kwensimbi kunciphisa izindleko zempahla eluhlaza uma kuqhathaniswa namamaki e-Inconel acebile nge-nickel kuyilapho kulondoloza ukumelana okuhle nokugqwala okunamanzi emazingeni okushisa aphakathi nendawo.

I-Incoloy 825 ibanga eliphambili kuleli qembu.

Ilinganisa ukumelana ne-sulfuric acid, i-phosphoric acid kanye ne-chloride stress stress corrosion cracking, ukukhetha okuvamile kwamakhemikhali angaphansi komfula kanye nemishini yamafutha.

I-Hastelloy Alloy Series

I-Hastelloy iwumndeni we-nickel-molybdenum-chromium alloy eyakhelwe ukugqwala okukhulu kwamakhemikhali.

Okuqukethwe okuphezulu kwe-molybdenum kunikeza izingxenye ze-Hastelloy alloy ukubekezelela okuqinile ekunciphiseni ama-asidi, imifudlana ye-asidi exubile kanye noketshezi lwenqubo oluqukethe i-chloride.

Lo mndeni uwukucatshangelwa kokuqala kwama-reactor, ukuphindaphindeka kokudlulisa kanye nokusikwa kwevalvu okuvezwe kumidiya yamakhemikhali anolaka lapho insimbi engagqwali noma i-Inconel evamile ihluleka ngokushesha.

I-Monel Alloy Series

Ama-alloys e-Monel angama-nickel-copper alloys ane-chromium encane. I-Monel 400 yibanga elivame kakhulu.

Inikeza ukumelana okuhle kakhulu ne-hydrofluoric acid nokuguguleka kwamanzi olwandle, nge-ductility enhle kanye nomshini olula uma kuqhathaniswa namamaki amaningi e-nickel ephezulu.

Isetshenziswa kabanzi ezinhlelweni zokuphatha i-marine, desalination kanye ne-hydrofluoric acid.

Qaphela: I-Hastelloy ihlanganisa amamaki amaningi ahlukene; leli banga lokushisa liyireferensi ebanzi. Njalo qinisekisa imikhawulo ngokumelene nedatha yebanga lakho elinembile le-Hastelloy.

Ukuhlukaniswa kokusebenza kweBanga le-Nickel Alloy

Uma uqhathanisa izingxenye ze-nickel alloy zephrojekthi, izigaba ezintathu zokusebenza ziqhuba izinqumo eziningi zokucaciswa: ukuqina kwezinga lokushisa eliphezulu, ukumelana nokugqwala kanye nokuziphatha kwemishini.

Amandla okushisa aphezulu nokumelana ne-oxidation

Amamaki e-Inconel ahola lesi sigaba. I-Inconel 625 igcina ukuqina kwendawo ngokumelene ne-oxidation efika cishe ku-980°C emoyeni ohlanzekile, kuyilapho i-Inconel 718 ikhawulelwe ekwehliseni izinga lokushisa eliqhubekayo ngenxa yokuthi i-microstructure yayo eqiniswe yimvula iphuka lapho kushisa kakhulu.

I-Hastelloy inganikeza ukumelana nokugqwala okuhle kwezinga lokushisa eliphezulu, kodwa ukusebenza kwayo komshini akuhambisani ne-Inconel kusevisi yesikhathi eside yokulayisha okushisayo.

I-Monel ne-Incoloy ayakhelwe umsebenzi oqhubekayo wezinga lokushisa eliphezulu kakhulu; amandla azo ehla ngokushesha ngaphezu kwezinga lokushisa elilinganiselwe.

Inothi elibalulekile: izilinganiso zezinga lokushisa ezishicilelwe zisebenza kusevisi yomoya ohlanzekile.

Umhwamuko obolayo, isibabule noma izindawo zikasawoti oncibilikisiwe zizonciphisa kakhulu izinga lokushisa eliphephile lokusebenza.

Ukumelana nokugqwala kwemidiya yesevisi ehlukene

Umndeni ngamunye we-alloy unamandla acacile nezindawo eziyimpumputhe:

• I-Inconel: Iqinile ngokumelene ne-oxidation ne-chloride pitting, iyonga kakhulu kuma-acids anciphisa agxilile.
• I-Hastelloy: Inketho engcono kakhulu ye-asidi exutshwe nokunciphisa izindawo zamakhemikhali, nakuba zibiza.
• I-Incoloy 825: Ibiza izindleko zokuxubha i-sulfuric ne-phosphoric acid, nezindawo ezinogwadule.
• I-Monel 400: Inhle kakhulu nge-hydrofluoric acid namanzi olwandle, ukusebenza kabi kuma-acid oxidising aqinile njenge-nitric acid.

Ukwehluleka okuningi kokucaciswa kwenzeka lapho onjiniyela bekhetha ingxubevange yezinga lokushisa eliphezulu ngaphandle kokuhlola ukuhambisana noketshezi lwenqubo lwangempela.

Izakhiwo zemishini ekamelweni nezinga lokushisa eliphakeme

I-Inconel 718 igqame ngokuba namandla okukhiqiza okuphezulu ngemuva kokuqina kweminyaka, yingakho isetshenziselwa izinto ezijikelezayo ezithwala umthwalo kanye nezingxenye eziqukethe ingcindezi.

I-Inconel 625 inamandla aphansi ezinga lokushisa kwegumbi kodwa ikwazi ukwenza izinto ezingcono kanye nokugqwala okuhlukahlukene.

I-Monel 400 iletha i-ductility enhle kanye nokumelana nomthelela, okufanela izingxenye zephampu nama-valve ezingaphansi kokulayisha ukushaqeka.

Ukwenziwa: Ukusakaza & I-CNC Machining Yezingxenye ze-Nickel Alloy

Ukwenziwa kusithinta ngokuqondile isikhathi sokuhola, izindleko kanye nekhwalithi yengxenye yokugcina yazo zombili izingxenye zengxube ye-nickel exutshiwe kanye nezikhala ze-nickel alloy eyenziwe ngomshini.

Ama-alloys e-nickel aqashelwa kabanzi njengezinto zomshini onzima, nakuba ubunzima buyahluka kakhulu ngebanga.

I-castability ye-nickel alloys

Ama-alloys e-nickel ane-chromium ephezulu kanye nokuqukethwe kwe-molybdenum athwala ingozi yokuqhekeka okushisayo ngesikhathi sokuqina.

I-Inconel 718 izwela kakhulu kuma-gradient ashisayo ekusakazeni.

Ukutshala imali ama-foundries kumele alawule izinga lokushisa elithelayo, ukushisa kwangaphambi kwesikhunta kanye nokulandelana kokupholisa ukuze kuncishiswe i-porosity nezinyembezi ezishisayo.

I-Monel 400 kanye ne-Incoloy 825 banokusakazwa okuhle kakhulu phakathi kweqembu futhi baxolela kakhulu ukulingisa okuyinkimbinkimbi kwezindonga ezincane.

I-Hastelloy ne-Inconel 625 zidinga ukulawulwa kwenqubo okuqinile futhi ngokuvamile amanani okunqaba aphezulu.

Izici zomshini nezinselele ezivamile

Uma izikhala zabalingisi sezikhiqiziwe, ukukhishwa okuningi kwe-nickel alloy kusadinga ukunemba kokuqedwa kwe-CNC.

Ukuqina komsebenzi kuyinselelo enkulu yomshini. Ukushisa okusika kwakha ngokushesha onqenqemeni lwamathuluzi, kusheshisa ukuguga kweflank.

Izitolo zisebenzisa isivinini esinensayo endaweni, i-positive rake tool geometry kanye nokugeleza okupholile kokupholisa kwe-Inconel ne-Hastelloy.

Imishini ye-Monel 400 ilula kakhulu, okuyisizathu esisodwa sokuthi idume ngezingxenye zamanzi olwandle ezenziwe ngomshini.

I-Inconel 718 iyona edinga kakhulu; ama-workshops amaningi asebenzisa amathuluzi e-ceramic noma ahlanganiswe ne-carbide kanye namazinga aphansi okuphakelayo ukuze agweme izendlalelo zomhlaba owenziwe lukhuni.

Ngemuva kokucubungula: ukwelashwa kokushisa, ukukhululeka kwengcindezi, ukuhlolwa kwe-NDT

Izidingo zokwelashwa kokushisa zihluka kakhulu: I-Inconel 718 idinga ukuqina kweminyaka ukuze ivule amandla ayo aphezulu, kuyilapho i-Inconel 625 ne-Hastelloy ngokuvamile zinikezwa esimweni esinesixazululo.

Ukunciphisa ingcindezi kujwayelekile ezingxenyeni ze-nickel alloy emishinini eminingi ukuze kuncishiswe ingcindezi eyinsalela kanye nokuhlanekezela.

Izingxenye zesevisi ezibucayi zivame ukudinga ukuhlolwa kwe-NDT okuhlanganisa ukuhlolwa kokungena, ukuhlolwa kwe-radiographic noma ukuhlolwa kwe-ultrasonic, kuye ngokucaciswa komkhakha kawoyela negesi, amandla noma ukusetshenziswa kwe-aerospace.

Izicelo Zezimboni Ezijwayelekile Nezibonelo Zengxenye Eyengeziwe

I-nickel alloy ngayinye imephu yomndeni yeqoqo lezimboni ezichazwe izimo zenqubo.

Amafutha negesi kanye nemishini ye-petrochemical

I-valve kawoyela negesi yokunquma, izingxenye zokuminyanisa, okokufakwa kwe-wellhead kanye isihlukanisi sangaphakathi njalo sebenzisa i-Inconel 625, i-Incoloy 825 ne-Hastelloy amamaki.

Lawa ma alloy amelana ne-sour brine, carbon dioxide kanye ne-hydrogen sulfide corrosion ehlasela insimbi engagqwali evamile.

Ukukhiqiza amandla (i-gas turbine, i-boiler components)

Izigxivizo zendlela yegesi eshisayo ye-turbine yegesi, ihadiwe ye-combustor kanye nezingxenye zevalvu ye-steam turbine bypass ngokuvamile zicacisa izingxenye ze-Inconel alloy ukuze zinyakaze futhi zimelane ne-oxidation ngaphansi kokusebenza okujikelezayo kwezinga eliphezulu lokushisa.

I-Chemical processing & ne-acidic medium equipment

I-Hastelloy iwukukhethwa okuyinhloko kwama-reactors amakhemikhali, imibhobho yokuxuba, i-valve trim nokudlulisa okuphindaphindiwe okuvezwe ku-asidi exubile, i-chloride ne-oxidising media.

Isevisi yasolwandle, yokukhipha usawoti emanzini namanzi olwandle

I-Monel 400 isetshenziswa kabanzi kuma-valve amanzi olwandle, izingxenye zephampu nezinsimbi.

Imelana nokugqwala okufanayo kwamanzi olwandle kangcono kunamamaki amaningi avamile angenasici, nakuba ingavikelekile ekugqwaleni okuthonywe yi-microbiologically ngaphansi kwezimo ezimile.

I-Aerospace nemishini yokucubungula eshisayo

Ihadiwe ye-Aerospace incike kakhulu ku-Inconel 718 ukuthola i-turbine nezingxenye zesakhiwo.

Lezi zinhlelo zokusebenza zidinga ukulandeleka okugcwele kwempahla, imibiko yokuhlola eqinisekisiwe kanye nemijikelezo yokwelashwa kokushisa elawulwa ngokuqinile.

Umhlahlandlela Wokukhetha Ibanga Le-Nickel Alloy Wabathengi Nonjiniyela

Ukukhetha izinga elifanele le-nickel alloy kudinga ukulinganisa izinto ezine ezibalulekile: izinga lokushisa lokusebenza, i-process medium, umthwalo wemishini kanye nengqikithi yezindleko zobunikazi.

Imibandela yokukhetha eyinhloko: izinga lokushisa, okuphakathi, umthwalo, isabelomali

Qala ngokubhala izinga lokushisa eliqhubekayo lokusebenza, izinga lokushisa eliphakeme kakhulu, ikhemistri yoketshezi, i-pH, ukugxila kwe-chloride kanye nokuthi indawo ezungezile iyakhipha i-oxidizing noma iyehlisa yini.

Okulandelayo chaza izidingo zomshini njengomthwalo omile, ukukhathala okujikelezayo, ingcindezi nokuguga.

Uma izinga lokushisa liphezulu futhi ukulayisha kubalulekile, i-Inconel ivamise ukuba yindawo yokuqala.

Uma ingozi enkulu iwukugqwala kwe-asidi egxilile, hlola i-Hastelloy.

Ngamanzi olwandle noma isevisi ye-HF, i-Monel 400 ivamise ukufaneleka.

Ngokubola okumaphakathi nengcindezi yebhajethi, i-Incoloy 825 ikhandidethi eliqinile.

Ukushintsha kwebanga okujwayelekile okwenziwa nokungenziwa

Ungashintshi amabanga asekelwe enanini kuphela. Ingxubevange enezindleko eziphansi ehluleka ngaphambi kwesikhathi idala ukuvala shaqa okuphezulu kakhulu kanye nezindleko zokushintshwa.

• Ungafaki i-Hastelloy esikhundleni se-Incoloy ukuze unciphise ukusakazwa kwe-asidi okugxilile.
• Ungakhethi i-Monel ye-nitric acid noma izindawo ezine-oxidizing kakhulu.
• I-Inconel 625 ayiyona indawo eqondile ye-Inconel 718 eqinile ngeminyaka lapho kudingeka amandla aphezulu okushuba.

Ukuhwebelana: ukusebenza kuqhathaniswa nezindleko zempahla nemishini

I-Hastelloy ne-Inconel 718 ziyala izindleko eziphezulu zempahla nemishini.

I-Monel ne-Incoloy banikeza indawo yokungena ebiza kancane uma imvilophu yabo yokusebenza ifana nendawo yokusebenza.

Abathengi abaningi baphinde bahlole ukuthi i-overlay cladding ingahlangabezana nezidingo esikhundleni sengxenye ye-nickel alloy eqinile ngokugcwele.

Imibuzo Evame Ukubuzwa

Uyini umehluko phakathi kwe-Inconel ne-Hastelloy?

I-Inconel ithuthukiselwe amandla ezinga lokushisa eliphezulu nokumelana ne-oxidation. I-Hastelloy ibeka phambili ukumelana nama-asidi axubene anolaka futhi yehlise imidiya eyonakalisayo.

I-Hastelloy ngokuvamile idlula i-Inconel kusevisi yamakhemikhali enamandla, kuyilapho i-Inconel ikhethwa ezintweni ezishisayo zesakhiwo.

Ingabe i-Inconel 718 kulula ukuyisakaza kune-Inconel 625?

Inombolo. I-Inconel 718 inefasitela elincanyana lokuphonsa futhi lisengozini enkulu yokuqhekeka okushisayo, edinga izilawuli zenqubo eziqinile uma kuqhathaniswa ne-Inconel 625.

Ama-Foundries avame ukukhuphula ukujiya kodonga noma asebenzise imiklamo yokugenca ecolisisiwe ukuze anciphise amanani okunqatshelwa kokusakazwa kwe-Inconel 718.

Ingabe i-Monel 400 ingasetshenziselwa isevisi ye-hydrochloric acid?

I-Monel 400 yenza kahle ku-dilute, air-free hydrofluoric acid. Ukusebenza kwayo ku-hydrochloric acid kuncike kakhulu ekugxilweni, izinga lokushisa kanye ne-aeration; i-oxygen encibilikisiwe kanye nokungcola okwenziwe nge-oxidising kusheshisa ukugqwala ngokushesha.

Uyini umehluko phakathi kwezingxenye ze-nickel alloy alloy?

Izingxenye ze-nickel alloy ezisetshenziswayo ziqala esitokweni esifojiwe noma esigoqiwe futhi zingomshini we-CNC, ziletha amandla aphezulu, angaguquki.

Izingxenye ze-Cast nickel alloy zakhiwa ngokusakazwa, zifaneleka kangcono kumajometri ayinkimbinkimbi futhi ngokuvamile ziphansi ngezindleko zemiklamo eyinkimbinkimbi yezingxenye eziyisipele.