Ni80Cr20 waa daawaha nikkel-chromium (NiCr alloy) oo lagu garto iska caabin sare, iska caabin oksaydh wanaagsan iyo xasillooni qaabeed oo aad u wanaagsan. Waxay ku habboon tahay in loo isticmaalo heerkul ilaa 1200°C, waxayna haysataa cimri adeeg oo ka sarreeya marka loo eego daawaha aluminium-ka birta ah ee chromium.
Codsiyada caadiga ah ee Ni80Cr20 waa walxaha kuleyliyaha korontada ku shaqeeya ee qalabka guryaha, foornooyinka warshadaha iyo kuwa iska caabiya (iska caabbinta siligga, kuwa iska caabiya filimada birta ah), birta fidsan, mashiinnada birta lagu kariyo, kuleyliyeyaasha biyaha, maydadka qaabaynta balaastikada, birta alxanka, walxaha tuubada birta ah ee dahaarka leh iyo walxaha kartoonada.
Sifooyinka Farsamada eeNichrome80 silig
| Heerkulka Adeegga Joogtada ah ee Ugu Badan: | 1200ºC |
| Adkeysiga 20ºC: | 1.09 ohm mm2/m |
| Cufnaanta: | 8.4 g/cm3 |
| Qaboojinta Kulaylka: | 60.3 KJ/m·h·ºC |
| Isugeynta Ballaarinta Kulaylka: | 18 α × 10-6/ºC |
| Barta Dhalmada: | 1400ºC |
| Kordhinta: | Ugu yaraan 20% |
| Qaab-dhismeedka Micrographic: | Austenite |
| Hantida Birlabta: | aan birlab ahayn |
Arrimaha Heerkulka ee iska caabinta korantada
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
Qaabka saadka
| Magaca Alloys | Nooca | Cabbirka | ||
| Ni80Cr20W | Silig | D=0.03mm~8mm | ||
| Ni80Cr20R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| Ni80Cr20S | Xarigga | W=8~250mm | T=0.1~3.0 | |
| Ni80Cr20F | Foorno | W=6~120mm | T=0.003~0.1 | |
| Ni80Cr20B | Baar | Dia = 8 ~ 100mm | L=50~1000 | |
150 0000 2421