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 kuwo koronto ku shaqeeyawalax kuleylinqalabka guryaha, foornooyinka warshadaha iyo iska caabbinta (iska caabbinta siligga, iska caabbinta filimada birta ah), bir fidsan, mashiinnada birta lagu shido, kuleyliyeyaasha biyaha, maydadka qaabaynta balaastikada, bir-xidhka, walxaha tuubada birta ah ee dahaarka leh iyo walxaha kartoonada.
Sifooyinka Farsamada ee Siligga Nichrome 80
| 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