Alloys-ka Nickel Chrome (NiCr) waa maaddooyin iska caabbin sarreeya oo caadi ahaan loo isticmaalo codsiyada leh heerkulka ugu sarreeya ilaa 1,250°C (2,280°F).
Alloys-ka Austenitic-ga waxaa lagu yaqaanaa awooddooda farsamo ee sare ee heerkulka marka loo eego FeCrAl alloys iyo sidoo kale xooggooda sare ee gurguurta. Alwaaxyada Nickel Chrome sidoo kale waxay ahaanayaan kuwo aad u hooseeya marka la barbar dhigo FeCrAl alloys ka dib muddo dheer heerkulka. Chromium Oxide (Cr2O3) mugdi ah ayaa lagu sameeyay heerkul sare kaas oo u nuglaanaya xiirid, ama gariir, taasoo keenaysa faddarayn suurtagal ah iyadoo ku xidhan codsiga. oksaydh-kani ma laha sifooyin dahaarka korantada sida Aluminium Oxide (Al2O3) ee Alloys-ka FeCrAl. Alwaaxyada Nickel Chrome waxay soo bandhigaan iska caabin daxalka oo wanaagsan marka laga reebo bay'ada baaruudku ku jiro.
| Darajo | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
| Halabuurka magaca ah% | Ni | Bal | Bal | 58.0-63.0 | 55.0-61.0 | 34.0-37.0 | Bal | Bal |
| Cr | 20.0-23.0 | 28.0-31.0 | 21.0-25.0 | 15.0-18.0 | 18.0-21.0 | 19.0-21.5 | 19.0-21.5 | |
| Fe | ≦1.0 | ≦1.0 | Bal | Bal | Bal | 2.0-3.0 | - | |
| Al1.0-1.7 Ti 0.3-0.5 | Al2.7-3.2 Mn0.5-1.5 | Al2.7-3.2 Cu2.0-3.0 Mn0.5-1.5 | ||||||
| Heerkulka shaqada ee ugu badan (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
| Resisability (Ω/cmf,20 ℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
| Resisability (uΩ/m,60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
| Cufnaanta (g/cm³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
| Heerarka kulaylka (KJ/m·h·℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
| Iskuxidhka Balaadhinta Toosan (× 10n6/℃)20-1000℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
| Meesha dhalaalaysa(℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
| Adag (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
| Xoogga Jiidka (N/mm2 ) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
| Dheeraynta(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
| Qaab-dhismeedka Micrographic | austenite | austenite | austenite | austenite | austenite | austenite | austenite | |
| Hantida Magnetic | Maya | Maya | Maya | Wax yar | Maya | Maya | Maya | |
| Nolosha degdega ah(h/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - | |
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