NiCr 35 20 (1.4860) in instrumentis domesticis aliisque instrumentis calefactionis electricae adhibetur. Ductilitatem bonam post usum longum, proprietates mechanicas bonas ad altas temperaturas, et sudandibilitatem bonam habet. Temperatura maxima operandi in aere est +600°C cum ad fila resistentia adhibetur, et +1050°C cum ad fila calefacienda.
Gradus | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
Compositio nominalis% | 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 Ti0.3-0.5 | Al2.7-3.2 Mn0.5-1.5 | Al2.7-3.2 Cu2.0-3.0 Mn0.5-1.5 | ||||||
Temperatura maxima operandi (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | trecenti | quadringenti | |
Resistivitas (Ω/cmf, 20℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
Resistivitas (µΩ/m, 60°F) | DCLV | DCCIV | DCCXXVII | DCCLXVIII | DCXXVI | DCCC | DCCC | |
Densitas (g/cm³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
Conductivitas Thermalis (KJ/m·h·℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
Coefficiens Expansionis Linearis (×10¯)620-1000℃ (/℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
Punctum Liquefactionis (℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
Duritia (Hv) | CLXXX | CLXXXV | CLXXXV | CLXXX | CLXXX | CLXXX | CLXXX | |
Robur tensile (N/mm)2 ) | DCCCL | DCCCLXXV | DCCC | DCCCL | DCCCL | DCCLXXX | DCCLXXX | |
Elongatio (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
Structura Micrographica | austenita | austenita | austenita | austenita | austenita | austenita | austenita | |
Proprietas Magnetica | Non | Non | Non | Paululum | Non | Non | Non | |
Vita Celeris (h/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - |