Inconel 686 nickel-raws li alloy phaj seamless yeeb nkab
Alloy 686 yog npib tsib xee-chromium-hlau-raws li cov khoom siv ntxiv dag zog rau alloy. Nws muaj qhov kub thiab txias corrosion tsis kam thiab oxidation tsis kam, zoo heev kub thiab txias ua thiab vuam txheej txheem, thiab muaj kev txaus siab thermal zog thiab siab plasticity hauv qab 700 degree. Alloys tuaj yeem ua kom muaj zog los ntawm kev ua haujlwm txias lossis koom nrog kev ua haujlwm vuam, fusion vuam lossis brazing.
Inconel 686 muaj cov yam ntxwv hauv qab no:
1. Nws muaj qhov zoo tiv thaiv corrosion los ntawm kev txo qis, oxidizing thiab nitriding media.
2. Nws muaj kev tiv thaiv zoo rau kev ntxhov siab corrosion tawg ntawm chav tsev kub thiab kub.
3. Nws muaj qhov zoo tiv thaiv corrosion los ntawm cov roj chlorine qhuav thiab hydrogen chloride gas.
4. Nws muaj cov khoom siv zoo ntawm xoom, chav tsev kub thiab kub.
5. Nws muaj qhov zoo creep rupture tsis kam thiab raug pom zoo siv rau saum 700 degree.
Metallographic qauv ntawm Inconel 686:
Inconel 686 muaj lub ntsej muag-centered cubic lattice qauv.
Corrosion kuj ntawm Inconel 686:
Alloy 686 yog corrosion resistant rau ntau yam corrosive media. Cov muaj pes tsawg leeg ntawm chromium muab cov alloy no zoo corrosion kuj nyob rau hauv oxidizing tej yam kev mob tshaj Nickel 99.2 (Alloy 200) thiab Nickel 99.2 (Alloy 201, tsawg carbon). Nyob rau tib lub sijhawm, cov ntsiab lus ntau dua nickel muab cov alloy zoo corrosion kuj hauv kev txo cov kev mob thiab cov tshuaj alkaline, thiab tuaj yeem tiv thaiv cov tshuaj chlorine-hlau kev nyuaj siab corrosion cracking. Alloy 686 muaj corrosion kuj zoo nyob rau hauv cov organic acids xws li acetic acid, acetic acid, formic acid, thiab stearic acid, thiab nruab nrab corrosion kuj nyob rau hauv inorganic acids. Nws muaj corrosion kuj zoo heev nyob rau hauv high-purity dej siv nyob rau hauv thawj thiab thib ob ncig nyob rau hauv nuclear reactors. Qhov tshwj xeeb ntawm kev ua tau zoo ntawm 686 yog nws lub peev xwm los tiv thaiv corrosion ntawm cov tshuaj chlorine qhuav thiab hydrogen chloride, thiab nws daim ntawv thov kub tuaj yeem ncav cuag 650 degree. Ntawm qhov kub thiab txias, annealed thiab tov-kho alloys muaj kev tiv thaiv zoo rau oxidation spalling thiab siab zog hauv huab cua. Cov hlau kuj tseem tiv taus ammonia roj thiab nitriding thiab carburizing cua. Txawm li cas los xij, thaum cov xwm txheej redox hloov pauv, cov hlau yuav raug corroded los ntawm qee qhov oxidizing media (xws li cov kua ntsuab tuag).
Inconel 686 txheej txheem kev ua tau zoo thiab cov kev xav tau:
Thermal ua
1. Thermal processing kub yog 1200 degree ~ 900 degree, thiab txoj kev txias yog dej quenching los yog ceev cua txias.
2. Txhawm rau kom tau txais kev tiv thaiv corrosion zoo thiab cov qauv siv lead ua zoo tshaj plaws, kev kho cua sov yuav tsum tau ua tom qab ua haujlwm kub.
3. Cov ntaub ntawv tuaj yeem raug pub ncaj qha rau hauv qhov cub sov.
Ua haujlwm txias
1. Cov ntaub ntawv ua haujlwm txias yuav tsum nyob rau hauv ib qho annealed los yog daws cov cua sov kho lub xeev. Kev ua haujlwm hardening tus nqi ntawm 686 alloy yog ze rau ntawm austenitic stainless hlau, yog li cov khoom siv zoo sib xws tuaj yeem xaiv.
2. Intermediate annealing yuav tsum tau ua thaum lub sijhawm ua haujlwm txias.
3. Thaum qhov txias ua hauj lwm ntau dua 5%, lub workpiece yuav tsum tau kho.
4. Txhawm rau txo cov khoom hnav, cov pwm yuav tsum tau ua los ntawm cov cuab yeej alloy steel, carbide lossis cam khwb cia hlau.
Inconel 686 vuam txheej txheem
Cov alloy muaj qhov zoo vuam kev ua tau zoo thiab tuaj yeem txuas nrog ntau txoj hauv kev xws li arc vuam, argon arc vuam, tsis kam vuam thiab brazing. Loj los yog complex welded structural qhov chaw yuav tsum tau annealed ntawm 870 degree rau 1 teev tom qab vuam kom tshem tawm vuam kev nyuaj siab.
Inconel 686 qhov chaw kho cua sov txheej txheem
Cov txheej txheem kev kho cua sov ntawm cov khoom yuav tsum tau ua raws li kev kho cua sov ntawm cov khoom siv sib xws. Annealing ntawm daim ntawv thiab sawb qhov chaw yuav tsum tau nqa tawm nyob rau hauv ib tug tiv thaiv cua.
Daim ntawv thov Scope ntawm Inconel 686: 1. Thermowells nyob rau hauv corrosive atmospheres
2. Vinyl chloride monomer ntau lawm: resistant rau chlorine gas, hydrogen chloride, oxidation thiab carbonization corrosion
3. Oxidation ntawm uranium rau hauv hexafluoride: tiv taus hydrogen fluoride corrosion
4. Kev tsim khoom thiab kev siv cov corrosive alkali hlau, tshwj xeeb tshaj yog cov chaw uas siv sulfides
5. Kev npaj ntawm titanium dioxide siv cov tshuaj chlorine gas
6. Kev tsim cov organic lossis inorganic chlorides thiab fluorides: tiv thaiv chlorine thiab fluorine corrosion
7. Nuclear Reactor
8. Retorts thiab Cheebtsam hauv cov cua sov kho cua sov, tshwj xeeb tshaj yog nyob rau hauv carbonizing thiab nitriding atmospheres
9. Catalytic regenerators nyob rau hauv petrochemical ntau lawm yog siv nyob rau hauv kub siab tshaj 700 degree.
