A286 (tseem hu ua Nickel alloys A286 stainless hlau) encyclopedia

A286 (tseem hu ua Nickel alloys A286 stainless hlau) encyclopedia

Nickel alloys A286: ib qho sawv cev ntawm cov kev ua tau zoo Nickel alloys

Nickel alloys A286 (qee zaum hu uaA286 Stainless Hlau) yog aNickel-Hlau-based Austenitic SuperalloyTshwj xeeb engineered rau cov ntawv thov kub siab xav tau kev tshwj xeebLub zog thiab corrosion tsis kam.} Alloy khaws cov kev ua tau zoo ntawm qhov kubTxog li 1300℃F (704 degree)thiab tseem haum rauTsawg-ntxhov siabntawm qhov siab dua qhov kub siab dua .} los ntawm optimizedKev daws cov kev kho mob thiab hnub nyoog ua haujlwm nyuaj, nws cov khoom siv neeg tuaj yeem ua kom tau zoo dua, ua rau kev ua haujlwm zoo dua hauv cov pej xeem zoo {}}

I {.}}} Cov Khoom Siv Tshuaj

A286 alloy feem ntau muaj cov ntsiab lus hauv qab no:

Hlau (FE): Kwv yees li 55.2%

Npib tsib caug (ni): ~25%

Chromium (cr): ~15%

Cov alloy yog tswj hwm los ntawm cov qauv xws liAms 5599thiabASTM B637. nws muaj cov muaj cov tswv yim sib xyaw nrog cov ntsiab lus nrogNpib tsib caug (ni), Chromium (cr), Molybdenum (mo), Titanium (ti), thiabAluminium (AL), txhua tus pab cuam tseem ceeb:

Cov qhab nia ua tsis tau yog tsis ntseeg N07718, GH2132, thiab lwm yam.

II {. cov cev nqaij daim tawv

Ceev: Kwv yees li 7.93 g / cm³

Melting taw tes: 1364-1424℃(2487-2595℃f)

Cov yam ntxwv ntawm Alloy A286

Tshwj Xeeb Ntawm Kev Ua Haujlwm Siab Kub

Tswj tauZoo kawg thermal ruaj khovThaum lub sijhawm ntev siv ntawm qhov kubMus txog 650℃(1200℃f).

Kev ua yeeb yamminimal dag zognyob rau hauv kev txhawb nqa thermal nthuav tawm .

Daim ntawv thov tseem ceeb: Cov dav hlau cav, roj av ib sab, thiab lwm yam kev ntxhov siab ntau, siab-kub.

Zoo tshaj corrosion Kuj

Siab tiv tausDej hiav txwv, acidic / alkaline daws, thiab txhoj puab heev tshuaj me .

Tseem ceeb seet: Marine Engineing qauv, cov khoom siv tshuaj lom neeg siv tshuaj, thiab offshore Installations .

Khoom siv hluav taws xob zoo heev versatility

Tau tshajForging, Dov, Thiab Machiningcov txheej txheem .

Enables kev tsim khoomCov khoom siv nyuaj ua kerau ntau haiv neeg tshuab yuav tsum .

Iii {. tus yam ntxwv tseem ceeb

Alloy A286 ua pov thawj raws li cov tseem ceeb hauv qab no:

Kev Kub Siab Cov Tshuab

Muab tsegHigh Leput Zog, Kev Nyuaj Siab Zoo Tshaj Plaws, thiabZoo tshaj qhov muaj zogntawm qhov kubMus txog 650℃(1200℃f).

Tswj tauTsim nyog ua haujlwmthiabtxaus siab weldabilityrau kev lag luam fabrication .

Txhim kho cov khoom ntawm kev kho cua sov

Kev daws txoj kev daws teeb meem ua raws li los ntawm lub hnub nyoog nyuajcov khoom siv txhim kho ntau yam, ua kom muaj zogTshwj Xeeb Kev Ua Tau Zoo Hauv Ib puag ncig(e {. g .}}}}, Aerospace Turbines, nuclear reactors).

Oxidation tsis kam & thermal ruaj khov

Pom yoojyimKev Kub Kub Kub Oxidation Kujua kom paub meej lub neej ua haujlwm ntev hauv kev pabcuam hauv oxidatheres .

Yam zoocov neeg quav yeeb tshuaj thiab cov kev ntxhov siab uas muaj kev ntxhov siabnyob rau hauv kev txhawb nqa thermal nthuav tawm .

Kev Ua Tau Zoo

Cov Ntawv Thov: Dav hlau cav lub ntsej muag, cov tshuab lim dej, tom qab cov khoom sib xyaw, cov cuab yeej kub {}}

Iv . Kev Kho Thaum Tshav Kub Kub

Kev kho cua sov rau A286 Alloy feem ntau cuam tshuam ob theem tseem ceeb:Kev Kho MobthiabKev Kho Mob Laus:

Kev Kho Mob
Alloy yog rhuab rau980 Qib -1080 Qib (1800 Degree F-1975 Qib F), tuav ntawm qhov kub thiab txias rau lub sijhawm teev tseg, ua rawssai sai txias (feem ntau dej quenching lossis roj quenching). Cov txheej txheem no:

Siv cov homogeneous

Txhim kho cov ntaub ntawv ductility thiab tsis lam ua

Txhim kho cov khoom tshaj tawm

Kev Kho Mob Laus
Daws-kho cov khoom siv yog rov ua kom zoo rau720 Degree -760℃(1330 Degree F-1400 Qib F)Rau kev tswj hwm lub sijhawm ua ntej txias . theem no:

Precipitates ntxiv dag zog theem (e . g}., Tin, Tic)

Ho ua tau zoo tshaj plaws thiab hardness

Cov cuab yeej ua kom zoo raws li kev yuav tsum tau ua

V .} Daim Ntawv Thov

A286 Alloy pom dav ntxiv kev thov thoob plaws ntau yam kev lag luam vim nwsTshwj Xeeb Ntawm Lub Zog Kub Kub Zogthiabzoo tshaj cov hluav taws xob ruaj khov, tshwj xeeb hauv:

Cov ntawv thov tseem ceeb:

Aerospace:
Turbine disks, combusptate, combuster Chambers, fasteners, thiab lwm yam tseem ceeb ntawm .

Automotive:
Kev ua haujlwm siab cav li qub, Turbocharger Cheebtsam.

Petrochemical:
High-kub reactors, cov hlab ntsha siab, thiab cov piping tshuab {}}

Zog Sector:
Lub zog nuclear cog cov khoom kho vajtse thiab kev nyuaj siab roj turbine ntu .

VI .} muaj cov foos

Nickel Alloy A286 yog muab rau ntau qhov kev teeb tsa kom haum rau ntau yam yuav tsum tau ua:

Cov Khoom Muag & Cov Lus Qhia Tshwj Xeeb

Muaj cov ntaub ntawv muaj ntxiv

Forged bleeps:Kev cai kev teeb tsa rau Turbine Disk preforms

Hlau:0.020 "-0.500" (0.5-12.7 hli) rau Aerospace Fasteners

Tubing:Seamless Ntau Yam Rau Petrochemical Tshav Kub Kub Hloov

Billet:Txog li 12 "(305 hli) square rau hnyav machining

Vii {. Cov Qauv Tshwj Xeeb

Nickel Alloy A286 conforms rau cov qauv thoob ntiaj teb loj kom ntseeg tau txoj kev ntseeg tau thiab zoo sib xws ntawm cov ntawv thov:

Cov Ntawv Pov Thawj Tseem Ceeb

Cov Qauv Txheej Txheem Thoob Ntiaj Teb

Rau 10269: European Siab Khoom Siv Khoom Siv

GB / T 14992: Suav Superalloy Tsim Txheej Txheem

JIS H4551: Japanese Aerospace khoom siv txheem

Viii . kev txiav txim siab tseem ceeb

Cov lus qhia kev ua tiav

Txias kev ua haujlwm

Cov khoom ua haujlwm sai sai ua haujlwm hnyav thaum lub sijhawm txias

Txwv tsis pub deformation ib tus dhau mus rau tsawg dua lossis sib npaug rau 15% kom tiv thaiv tawg

Kev kawm qib nrab ntawm 980℃pom zoo rau kev tsim txom hnyav

Machining Yuav Tsum Tau

Kev ua tau tiav

A286 Alloy ua haujlwm ua cov khoom siv ntawm kev xaiv tseem ceeb rau kev kub kub vim nws:

Zoo tshajnce siab-kub muaj zog khaws

Zoo tshajCov txheej txheem yooj yim(Formability & Weldability)

Pom yoojyimoxidation tsis kamTxog 700 degree

Kev ua tau tiav
A286 Alloy ua haujlwm ua cov khoom siv ntawm kev xaiv tseem ceeb rau kev kub kub vim nws:

Tshaj Tawm-Kub Lub Zog Ua Kom Muaj Zog
Cov txheej txheem zoo tshaj plaws (FREERATION & WELDILITY)
Oxidation zoo heev tiv taus 700 degree
Kev ua tau zoo ua tau tiav los ntawm:
🔧 Tswjhwm Kho Kev Kho (1020 Degree ± 10 degree)
⏳ Precision Laus Mus (745 Degree × 16h AC)
⚙️ Khaws cia machining (nti load<0.3mm)

Daim Ntawv Ceeb Toom Kev Nyab Xeeb Kev Nyab Xeeb
⚠️ Kev ntxhov siab thermal txaus ntshai:

Tswj qhov chaw ua haujlwm kub<400°C during machining
Siv cov siab kub siab (ntau dua lossis sib npaug li 70 bar) rau kev txiav hnyav
Kev kuaj mob hardness tom qab vuam (phiaj 35-40 hrc)
Kev Ua Haujlwm Tom Qab

Qhov tseem ceeb NDE cov hau kev:
Ua kua rau kev soj ntsuam ua kua (Ams 2644)
Ultrasonic kuaj rau cov khoom tseem ceeb
Microstructure cov ntaub ntawv pov thawj ib astm E112
Qhov chaw txhais lus thoob plaws ob qho tib si kev coj noj coj ua thiab ISO.