Ny firaka elektrika dia ampiasaina betsaka amin'ny fanafanana elektrika, indrindra ny NiCr. Nichrome dia nikela sy chrome firaka izay matetika ampiasaina amin'ny famokarana ny fanoherana tariby noho ny avo resistivity sy miorina mafy anti-oxidation fananana amin'ny mari-pana hatramin'ny 1250 ° C izany no mahatonga ny fanoherana tariby dia mety tsara ho an'ny fanompoana amin'ny tontolo tafahoatra izay iharan'ny tsindry sy ny hafanana. Vladimir Plant of Precision Alloys dia nanamboatra alloy resistance sy alloys fanafanana hatramin'ny fototra. Ny tanjaky ny tanjaky ny tariby, strips, ribbon sy foil, anisan'izany ny NiCr alloys sy Fe-Cr-Al alloys.
kilasy | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | karma dia | Evanohm | |
Nominal composition% | 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 | ||||||
Temperature miasa max (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
Resisivity (Ω/cmf, 20 ℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
Resisivity (uΩ/m,60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
Hateza (g/cm³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
Conductivity mafana (KJ / m · h · ℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
Linear Expansion Coefficient(×10¯6/ ℃)20-1000 ℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
Taona mitsonika (℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
Hamafin'ny (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
Henjana (N/mm2) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
Elongation(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
Rafitra mikrografika | austenite | austenite | austenite | austenite | austenite | austenite | austenite | |
MagneticProperty | tsy | tsy | tsy | kely | tsy | tsy | tsy | |
Fiainana haingana (h/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - |
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