Cov ntsiab lus: Phau ntawv qhia no muab piv rau Inconel, Incoloy, Hastelloy thiab Monel nickel alloys, npog qhov kub thiab txias, tiv thaiv corrosion, casting thiab machinability rau kev xaiv khoom seem.
Daim ntawv qhia no suav nrog cov qib nickel alloy siv dav suav nrog Inconel, Incoloy, Hastelloy thiab Monel, nrog cov ntaub ntawv siv tau ntawm qhov ntsuas kub, tiv thaiv corrosion, casting thiab machinability los txhawb kev lag luam khoom seem xaiv.
Nickel raws li alloy qhov chaw ua tau zoo tshaj tus qauv stainless hlau thiab carbon hlau thaum cov cuab yeej ntsib kev kub ntxhov, cov kua dej corrosive, lossis kev sib xyaw ua ke thiab cov khoom siv tshuaj lom neeg.
Ob qho tib si cam khwb cia nickel alloy Cheebtsam thiab machined npib tsib xee alloy blanks ua hauj lwm tseem ceeb nyob rau hauv hnyav txheej txheem industries.
Taw qhia rau Nickel Based Alloy Parts
Nickel-based alloys yog cov khoom siv hlau nrog npib tsib xee ua lub hauv paus matrix, alloyed nrog chromium, molybdenum, hlau, tooj liab thiab lwm yam khoom siv los kho cov khoom siv kho tshuab thiab corrosion.
Lawv qhov txiaj ntsig zoo tshaj plaws yog kev ua haujlwm ruaj khov nyob rau hauv kev sib xyaw ua ke uas ua rau cov hlau tsis zoo: kub nkag, oxidation, pitting, crevice corrosion thiab tawm tsam los ntawm acidic lossis chloride-nplua nuj tawm.
Ib qho kev sib txawv tseem ceeb cais cov wrought nickel alloy Cheebtsam thiab nrum npib tsib xee alloy qhov chaw.
Wrought variants yog forged los yog dov ces CNC machined, muab nruj dua lis tswj thiab superior tensile zog rau high-load designs.
Casting npib tsib xee alloy qhov chaw, tsim los ntawm peev casting, nplua complex geometries xws li valve trim, nozzles thiab kev cai coj inserts nyob ze-net shaping txo tag nrho machining ua hauj lwm.
Nws yog qhov pab tau kom paub qhov txawv ntawm cov ntaub ntawv no los ntawm Stellite alloy Cheebtsam.
Thaum Stellite cobalt alloys ua tau zoo ntawm kev hnav, cavitation thiab hardfacing kev pabcuam, nickel alloys raug xaiv feem ntau rau kev tiv thaiv corrosion thiab kub-kub cov qauv kev ntseeg siab.
Txhua tsev neeg sau ib lub niche cais nyob rau hauv spare qhov chaw specification.
Main Nickel Alloy Tsev Neeg & Qib Txheej Txheem
Nickel alloys yog pawg los ntawm cov txheej txheem alloying thiab kev ua haujlwm tseem ceeb. Plaub tsev neeg tswj hwm kev lag luam kev cai txiav txim: Inconel, Incoloy, Hastelloy thiab Monel.
Inconel Alloy Series
Cov qib Inconel yog cov nickel-chromium alloys, feem ntau nrog molybdenum, niobium lossis titanium ntxiv.
Lawv tau tsim kho kom khaws lub zog thiab oxidation tsis kam ntawm qhov kub siab.
Qhov ob feem ntau tau teev tseg Inconel alloy qhov chaw yog Inconel 625 thiab Inconel 718.
Inconel 718 siv nag lossis daus hardening kom xa siab tensile thiab creep zog, ua rau nws lub neej ntawd rau loaded kub-section hardware.
Inconel 625 tso siab rau cov kev daws teeb meem ntxiv, nrog rau kev ua haujlwm zoo rau cov tshuaj chloride pitting thiab kev tiv thaiv corrosion ntau dua hauv cov xov xwm sib xyaw.
Incoloy Alloy Series
Incoloy qib yog hlau-nickel-chromium alloys.
Cov ntsiab lus hlau txo cov nqi raw khoom piv rau cov qib npib tsib xee-nplua nuj Inconel thaum khaws cia zoo tiv thaiv aqueous corrosion ntawm nruab nrab kub.
Incoloy 825 yog qib flagship hauv pab pawg no.
Nws sib npaug tiv thaiv sulfuric acid, phosphoric acid thiab chloride kev nyuaj siab corrosion cracking, ib qho kev xaiv rau downstream chemical thiab oilfield khoom.
Hastelloy Alloy Series
Hastelloy yog nickel-molybdenum-chromium alloy tsev neeg ua rau cov tshuaj lom neeg hnyav.
Cov ntsiab lus siab molybdenum muab Hastelloy alloy qhov chaw muaj zog kam rau txo cov kua qaub, cov kua qaub sib xyaw thiab cov txheej txheem chloride-muaj cov kua dej.
Cov tsev neeg no yog thawj qhov kev txiav txim siab rau reactors, hloov manifolds thiab valve trim raug rau cov tshuaj lom neeg tawm tsam qhov twg stainless hlau lossis tus qauv Inconel ua tsis tau sai.
Monel Alloy Series
Monel alloys yog nickel-tooj liab alloys nrog tsawg chromium. Monel 400 yog qib feem ntau.
Nws muaj kev tiv thaiv zoo heev rau hydrofluoric acid thiab dej hiav txwv yaig, nrog zoo ductility thiab kuj yooj yim dua machining piv rau ntau qib high-alloy nickel.
Nws yog dav siv hauv marine, desalination thiab hydrofluoric acid tuav tshuab.
| Alloy Qib | Lub ntsiab lus tseem ceeb | Max Continuous Service Temp | Resistant Media | Castability | Machining nyuaj | Hom Spare Xeem |
| Ib 625 | Ni-Cr-Mo-Nb | 980 ° C | Oxidizing media, chlorides, dej hiav txwv | Nruab nrab; nquag kub kua muag | Siab, ua haujlwm hnyav | Gas turbine seals, tshuaj nozzles, valve lub cev |
| ib 718 | Ni-Cr-Mo-Nb-Ti | 700 ° C | Huab cua kub, me corrosives | Ncaj ncees; rhiab heev rau casting txias npaum li cas | Siab heev; xav tau cov cuab yeej nruj | Turbine disks, high-pressure valve plugs, fasteners |
| lus 825 | Ni-Fe-Cr-Mo-Cu | 540 ° C | Sulfuric acid, phosphoric acid, brine | Zoo | Nruab nrab | Thaum tshav kub kub exchanger tubesheets, oilfield tubing Cheebtsam |
| Hastelloy qib | Ni-Mo-Cr | 700-1090 ° C (nyob ntawm qib) | Mixed acids, txo / oxidizing tshuaj kwj | Nruab nrab | Siab | Reactor internals, tshuaj valve trim, orifice daim hlau |
| Monel 400 | Ni-Cu | 480 ° C | Dej hiav txwv, hydrofluoric acid, alkaline media | Zoo | Tsawg-nruab nrab | Marine valve rooj zaum, twj tso kua mis shafts, seawater piping fittings |
Lus Cim: Hastelloy npog ntau qib sib txawv; qhov ntsuas kub no yog siv dav. Ib txwm txheeb xyuas qhov txwv tsis pub dhau daim ntawv teev npe rau koj qib Hastelloy pes tsawg.
Kev ua haujlwm tawg los ntawm Nickel Alloy Qib
Thaum sib piv cov nickel alloy qhov chaw rau ib qhov project, peb pawg ua tau zoo tsav cov kev txiav txim siab feem ntau: kub-kub stability, corrosion resistance thiab mechanical behaviour.
High-temperature zog & oxidation kuj
Cov qib Inconel coj pawg no. Inconel 625 tswj kev ruaj ntseg ntawm qhov chaw tiv thaiv oxidation txog li 980 ° C hauv huab cua huv, thaum Inconel 718 tsuas yog txo qis qhov kub thiab txias vim nws cov nag lossis daus-hlau microstructure tawg thaum tshav kub kub.
Hastelloy tuaj yeem muab qhov kub zoo tiv thaiv corrosion, tab sis nws cov cuab yeej ua haujlwm tsis zoo tsis yog qhov sib tw rau Inconel hauv kev pabcuam kub-load ntev.
Monel thiab Incoloy tsis yog tsim los rau kev txhawb nqa ultra-high-temperature; lawv lub zog poob sai dua lawv cov ntsuas kub txwv.
Cov lus ceeb toom tseem ceeb: qhov ntsuas kub tshaj tawm siv rau kev pabcuam huab cua huv.
Corrosive vapors, sulfur lossis molten ntsev ib puag ncig yuav txo qis kev nyab xeeb ntawm kev ua haujlwm kub.
Corrosion tsis kam rau cov kev pabcuam sib txawv
Txhua tsev neeg hlau muaj qhov pom tseeb thiab qhov muag tsis pom:
- Inconel: Muaj zog tiv thaiv oxidation thiab chloride pitting, tsis tshua muaj nqi rau cov concentrated txo acids.
- Hastelloy: Kev xaiv zoo tshaj plaws rau cov kua qaub sib xyaw thiab txo cov tshuaj lom neeg ib puag ncig, txawm tias kim.
- Incoloy 825: Nqi-zoo rau dilute sulfuric thiab phosphoric acid, thiab brine ib puag ncig.
- Monel 400: Zoo heev nrog hydrofluoric acid thiab dej hiav txwv, kev ua haujlwm tsis zoo hauv cov oxidising muaj zog xws li nitric acid.
Ntau qhov tshwj xeeb tsis ua tiav tshwm sim thaum cov kws ua haujlwm xaiv cov hlau kub kub tsis tau kuaj xyuas kev sib raug zoo nrog cov txheej txheem tiag tiag.
Mechanical zog ntawm chav tsev thiab siab kub
Inconel 718 stands rau siab yield zog tom qab lub hnub nyoog hardening, uas yog vim li cas nws yog siv rau load-bearing rotating thiab siab-muaj cov khoom.
Inconel 625 muaj lub zog qis hauv chav kub tab sis zoo dua fabricability thiab corrosion versatility.
Monel 400 muab cov ductility zoo thiab cuam tshuam tsis kam, uas haum rau lub twj tso kua mis thiab lub valve uas raug rau kev poob siab.
Manufacturability: Casting & CNC Machining ntawm Nickel Alloy Parts
Manufacturability ncaj qha cuam tshuam rau lub sij hawm txhuas, tus nqi thiab qhov kawg qhov zoo rau ob qho tib si cam khwb cia nickel alloy Cheebtsam thiab machined npib tsib xee alloy blanks.
Nickel alloys tau dav lees paub tias yog cov ntaub ntawv nyuaj rau lub tshuab, txawm tias qhov nyuaj nws txawv ntawm qib.
Castability ntawm nickel alloys
Nickel alloys nrog siab chromium thiab molybdenum cov ntsiab lus muaj kev pheej hmoo ntawm kub tawg thaum lub sij hawm solidification.
Inconel 718 yog tshwj xeeb tshaj yog rhiab heev rau thermal gradients hauv casting.
Kev nqis peev casting Foundries yuav tsum tswj qhov kub thiab txias, pwm preheat thiab txias ua ntu zus kom txo qhov porosity thiab kua muag kub.
Monel 400 thiab Incoloy 825 muaj qhov zoo tshaj plaws castability ntawm cov pab pawg thiab muaj kev zam txim ntau dua rau cov txheej nyias-walled castings.
Hastelloy thiab Inconel 625 xav tau kev tswj xyuas nruj dua thiab feem ntau tsis lees txais tus nqi siab dua.
Cov yam ntxwv ntawm Machining & kev sib tw
Thaum cam khwb cia blanks raug tsim, feem ntau nickel alloy castings tseem yuav tsum tau precision CNC xov.
Kev ua haujlwm hardening yog thawj qhov kev sib tw machining. Txiav cov cua sov ua kom nrawm nrawm ntawm cov cuab yeej ntug, ua kom lub ntsej muag nrawm nrawm.
Cov khw siv qhov nrawm nrawm, qhov zoo ntawm cov cuab yeej rake geometry thiab cov dej txias txaus rau Inconel thiab Hastelloy.
Monel 400 tshuab tau yooj yim dua, uas yog ib qho laj thawj nws yog nrov rau kev cai machined seawater Cheebtsam.
Inconel 718 yog qhov xav tau tshaj plaws; ntau lub rooj cob qhia siv cov cuab yeej ceramic lossis coated carbide thiab cov khoom noj qis kom tsis txhob muaj cov txheej txheem ua haujlwm hnyav.
Tom qab ua tiav: kev kho cua sov, kev ntxhov siab, kev tshuaj xyuas NDT
Kev kho cua sov yuav tsum tau sib txawv: Inconel 718 yuav tsum muaj hnub nyoog hardening los qhib nws lub siab tshaj plaws lub zog, thaum Inconel 625 thiab Hastelloy yog ib txwm muab nkag rau hauv qhov kev daws teeb meem.
Kev ntxhov siab yog tus qauv rau cam khwb cia thiab hnyav machined npib tsib xee alloy qhov chaw kom txo qis kev ntxhov siab thiab cuam tshuam.
Cov kev pabcuam tseem ceeb feem ntau xav tau kev tshuaj xyuas NDT suav nrog kev ntsuas nkag mus, kuaj hluav taws xob lossis tshuaj xyuas ultrasonic, nyob ntawm kev lag luam tshwj xeeb rau roj thiab roj, lub zog lossis kev siv aerospace.
Hom Kev Siv Khoom Siv & Spare Part piv txwv
Txhua tus npib tsib xee alloy tsev neeg daim ntawv qhia rau cov txheej txheem kev lag luam uas txhais los ntawm cov txheej txheem txheej txheem.
Roj & roj thiab cov khoom siv petrochemical
Roj thiab roj valve trim, choke Cheebtsam, wellhead fittings thiab separator internals nquag siv Inconel 625, Incoloy 825 thiab Hastelloy qib.
Cov alloys tiv taus qaub brine, carbon dioxide thiab hydrogen sulfide corrosion uas tawm tsam tus qauv stainless hlau.
Kev tsim hluav taws xob (gas turbine, boiler Cheebtsam)
Gas turbine kub-gas txoj kev ntsaws ruaj ruaj, combustor hardware thiab chav turbine bypass valve Cheebtsam feem ntau qhia Inconel alloy qhov chaw rau creep thiab oxidation kuj nyob rau hauv cyclic high-temperature ua hauj lwm.
Cov khoom siv tshuaj lom neeg & cov khoom siv acidic nruab nrab
Hastelloy yog thawj qhov kev xaiv rau cov tshuaj reactors, tov khoom nozzles, tswj valve trim thiab hloov manifolds raug rau tov acid, chloride thiab oxidising media.
Marine, desalination thiab seawater service
Monel 400 yog dav siv rau seawater li qub, twj twj tso kua mis thiab fasteners.
Nws tiv taus cov seawater corrosion zoo dua li ntau cov qib stainless hlau, txawm hais tias nws tsis tiv thaiv kab mob microbiologically cuam tshuam corrosion nyob rau hauv cov xwm txheej ruaj khov.
Aerospace & thermal ua khoom siv
Aerospace hardware cia siab ntau rau Inconel 718 rau turbine thiab structural Cheebtsam.
Cov ntawv thov no xav tau cov ntaub ntawv pov thawj tag nrho, cov ntawv pov thawj kev xeem ntawv pov thawj thiab kev tswj xyuas cov cua sov kom nruj.
Nickel Alloy Qib Xaiv Phau Ntawv Qhia rau Cov Neeg Yuav Khoom & Cov Kws Ua Haujlwm
Xaiv qhov raug nickel alloy qib yuav tsum ntsuas plaub qhov sib txawv: kev ua haujlwm kub, txheej txheem nruab nrab, cov khoom siv thauj khoom thiab tag nrho cov tswv cuab tus nqi.
Cov txheej txheem xaiv tseem ceeb: kub, nruab nrab, thauj khoom, pob nyiaj siv
Pib los ntawm kev sau cov ntaub ntawv ua haujlwm tsis tu ncua, qhov kub siab tshaj plaws, kua dej chemistry, pH, chloride concentration thiab seb ib puag ncig puas yog oxidising lossis txo.
Tom ntej no txhais tau hais tias txhua yam yuav tsum tau muaj xws li static load, cyclic qaug zog, siab thiab hnav.
Yog tias qhov kub thiab txias yog qhov tseem ceeb, Inconel feem ntau yog qhov pib.
Yog tias qhov kev pheej hmoo tseem ceeb yog concentrated acid corrosion, ntsuas Hastelloy.
Rau dej hiav txwv lossis HF kev pabcuam, Monel 400 feem ntau tsim nyog.
Rau nruab nrab corrosion nrog nyiaj txiag siab, Incoloy 825 yog tus neeg sib tw muaj zog.
Kev hloov qib sib piv ua thiab tsis ua
Tsis txhob hloov cov qib raws li tus nqi xwb. Tus nqi qis qis uas ua tsis tiav ntxov ua rau muaj kev kaw ntau dua thiab hloov cov nqi.
- Tsis txhob hloov Hastelloy nrog Incoloy rau concentrated txo cov kua qaub.
- Tsis txhob xaiv Monel rau nitric acid lossis oxidizing ib puag ncig.
- Inconel 625 tsis yog ib qho kev hloov ncaj qha rau lub hnub nyoog-hardened Inconel 718 thaum muaj zog tensile siab.
Kev lag luam tawm: kev ua tau zoo vs cov khoom siv & machining nqi
Hastelloy thiab Inconel 718 hais kom cov khoom siv siab tshaj plaws thiab cov nqi machining.
Monel thiab Incoloy muab cov nqi nkag qis dua thaum lawv lub hnab ntawv ua tau zoo sib xws rau qhov chaw ua haujlwm.
Ntau tus neeg yuav khoom kuj soj ntsuam seb puas muaj qhov sib tshooj cladding tuaj yeem ua tau raws li qhov yuav tsum tau ua es tsis txhob muaj cov nickel alloy tag nrho.
Cov lus nug nquag
Qhov txawv ntawm Inconel thiab Hastelloy yog dab tsi?
Inconel yog optimized rau high-temperature zog thiab oxidation kuj. Hastelloy tseem ceeb tiv thaiv kev txhoj puab heev sib xyaw acids thiab txo cov xov xwm corrosive.
Hastelloy feem ntau ua tau zoo tshaj Inconel hauv kev pabcuam tshuaj hnyav, thaum Inconel nyiam rau cov khoom siv kub.
Puas yog Inconel 718 yooj yim rau nrum dua Inconel 625?
Tsis yog. Inconel 718 muaj lub qhov rais nqaim dua thiab ua rau muaj kev kub ntxhov ntau dua, yuav tsum muaj kev tswj hwm nruj dua piv nrog Inconel 625.
Foundries feem ntau nce phab ntsa thickness los yog siv refined gating designs los txo tus nqi rejection rau Inconel 718 castings.
Monel 400 puas tuaj yeem siv rau kev pabcuam hydrochloric acid?
Monel 400 ua tau zoo hauv dilute, huab cua tsis muaj hydrofluoric acid. Nws qhov kev ua tau zoo hauv hydrochloric acid yog nyob ntawm qhov concentration, kub thiab aeration; yaj cov pa oxygen thiab oxidising cov kab mob ua kom corrosion sai heev.
Dab tsi yog qhov txawv ntawm cam khwb cia thiab wrought nickel alloy qhov chaw?
Wrought npib tsib xee alloy qhov chaw pib los ntawm forged lossis dov Tshuag thiab yog CNC machined, xa siab dua, muaj zog tensile zoo ib yam.
Casting npib tsib xee alloy qhov chaw yog tsim los ntawm casting, zoo dua haum rau complex geometries thiab feem ntau txo nqi rau intricate spare qhov chaw tsim.
