1. Nruab nrab-High Temperature Range (700℃-950 degree)
| Khoom siv | Qhov Kev Pab Cuam Siab Tshaj Plaws | Nta | Daim ntawv thov | Tus nqi -Kev ua tau zoo dua |
|---|---|---|---|---|
| Inconel 718 (UNS N07718) Cov. | Ntev -lub sij hawm ~ 700 degree, luv-lub sij hawm mus txog 950 degree | Zoo heev creep thiab qaug zog tsis kam, zoo weldability thiab machinability | Aircraft cav hniav, roj turbine Cheebtsam, nuclear reactor qhov chaw | Sib npaug tag nrho kev ua tau zoo, dav muaj, cov nqi ua haujlwm tsawg |
| GH4169 (Qhov sib npaug hauv tsev ntawm Inconel 718) | Ntev -lub sij hawm 650 degree | Kev ua tau zoo piv rau Inconel 718 | Aerospace fasteners, roj drilling cuab yeej | Kev xaiv hauv tsev, 20%-30% tus nqi qis, tsim nyog rau kev siv nyiaj- txwv tab sis kev ua haujlwm siab |
2. Kev Kub Kub Kub (950℃-1150 degree)
| Khoom siv | Qhov Kev Pab Cuam Siab Tshaj Plaws | Nta | Daim ntawv thov | Tus nqi -Kev ua tau zoo dua |
|---|---|---|---|---|
| Haynes 230 (UNS N06230) NPE | 1150℃(oxidizing ib puag ncig) | Zoo heev oxidation thiab thermal corrosion kuj, tungsten thiab molybdenum ntxiv dag zog rau, siab - kub zog | Industrial furnace radiant tubes, chemical cracking furnaces | Lub neej ua haujlwm ntev tsim, tus nqi tu qis, tsim nyog rau kev ua haujlwm ntev - lub sijhawm siab - kub ua haujlwm |
| GH3230 (Sib npaug hauv tsev ntawm Haynes 230) | 1100 degree | Kev ua tau zoo ze rau Haynes 230, AMS5891 tau ntawv pov thawj | Aircraft cav combustion chambers, siab -kub kho cua sov fixtures | Kev hloov hauv tsev, 30% -40% tus nqi qis dua li kev xa khoom, sijhawm luv luv |
3. Ultra-High Temperature Range (>1200 degree)
| Khoom siv | Qhov Kev Pab Cuam Siab Tshaj Plaws | Nta | Daim ntawv thov | Tus nqi -Kev ua tau zoo dua |
|---|---|---|---|---|
| Inconel 740H (UNS N07740) Cov. | Luv-term 1300℃, long-term 750 degree | Tsim los rau ultra-supercritical fais fab nroj tsuag, zoo heev tiv taus cov hmoov tshauv corrosion | Boiler superheaters, nuclear fais fab kav kav dej | Haum rau ib puag ncig huab cua, txo lub sijhawm poob thiab kev saib xyuas, kev ua neej zoo tshaj - tus nqi mus ncig |
| K418 (Nickel{1}}raws li casting alloy) | Ntev -lub sij hawm 1000 degree | Zoo heev casting zog, haum rau complex qhov chaw | Turbine hniav, automotive turbochargers | Casting txheej txheem txo nqi, zoo tagnrho rau batch ntau lawm |
Tus nqi -Cov lus pom zoo ua haujlwm
| Daim ntawv thov Scenario | Pom zoo Alloy | Yog vim li cas |
|---|---|---|
| Txheem siab - qhov kub thiab txias (tsawg dua lossis sib npaug li 700 degree) | hwv 4169 | Mature domestic lwm txoj, tus nqi qis thiab txhim khu kev qha kev ua tau zoo |
| Muaj cua sov / cov khoom siv petrochemical (tsawg dua lossis sib npaug li 1150 degree) | hwv 3230 | Muaj zog oxidation tsis kam, tsuas yog 60% ntawm cov nqi xa tawm Haynes 230 |
| Qhov tseem ceeb aerospace engine Cheebtsam | ib 718 | Kev lees paub thoob ntiaj teb, cov khoom lag luam ruaj khov, ntev ntev - cov ntaub ntawv siv |
| Ultra-supercritical fais fab nroj tsuag huab cua ib puag ncig | Inconel 740 H | Tsuas yog cov hlau uas muaj ntawv pov thawj raws li ASME Code Case 2702, lub neej zoo tshaj - mus txog tus nqi |
| Tsawg- cov nqi cam khwb cia | K418 | Kev yooj yim casting txheej txheem, haum rau me me mus rau nruab nrab batch ntau lawm |
Cov tswv yim xaiv Alloy
Qhia kom meej qhov kub thiab txias: Ntev-lub sijhawm ua haujlwm kub yog qhov tseem ceeb tshaj qhov kub siab tshaj; zam dhau - qhia txog cov khoom kim heev.
Xav txog cov nqi ua haujlwm: Casting alloys (piv txwv li, K418) yog haum rau complex qhov chaw; wrought alloys (piv txwv li, GH3230) zoo dua rau cov phaj / raj.
Kev hloov pauv hauv tsev: GH-series alloys tam sim no mus rau thoob ntiaj teb kev ua tau zoo, nrog rau cov nqi zoo (xws li, GH3230 yog 30%+ pheej yig dua Haynes 230).
Ntev - tus nqi tu lub sij hawm: Cov nqi pib siab heev (piv txwv li, Haynes 230) tuaj yeem ua rau tus nqi qis dua vim muaj kev pabcuam ntev dua.
