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Taenia mixturae Nichrome fabricata ex Ni80Cr20 Ni70Cr30 Ni60Cr15 Ni35Cr20 in apparatibus domesticis adhibita.
Taenia mixturae Nichrome officinalisNi80Cr20Ni70Cr30 Ni60Cr15 Ni35Cr20 in Instrumentis Domesticis Adhibitum
Ni70Cr30 est mixtura austenitica niccoli et chromii apta ad temperaturas usque ad 1250°C. Alta copia chromii (30% mediocriter) vitam optimam praebet, praesertim in fornacibus. Ni70Cr30 resistivitate magna, bona resistentia oxidationis, ductilitate post usum bona, et sudurabilitate excellenti insignitur.
Ni70Cr30 ad elementa calefactionis electricae in caminis industrialibus adhibetur. Usus typici sunt: camini electrici et smaltationis, calefactores accumulationis, camini et fornaces cum atmosphaera mutante.
Proprietates mechanicae typicae (1.0mm)
- Elongatio: 30%
- Robur cessionis: 420Mpa
- Robur tensile: 810Mpa
Taenia nichromatica
| Materia perfunctionis | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Compositio | Ni | 90 | Requies | Requies | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
| Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1.0 | ≤1.0 | Requies | Requies | Requies | ||
| Temperatura maxima ºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Punctum liquefactionis °C | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Densitas g/cm³ | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Resistivitas ad 20ºC ((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
| Elongatio ad rupturam | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Calor specificus J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
| Conductivitas thermalis KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
| Coefficiens expansionis linearum a×10⁻⁶/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
| Structura micrographica | Austenita | Austenita | Austenita | Austenita | Austenita | ||
| Proprietates magneticae | Non magneticus | Non magneticus | Non magneticus | Magnetis debilis | Magnetis debilis | ||
| Fila Resistentiae | ||
| RW30 | W.Nr 1.4864 | Nickel 37%, Chrome 18%, Ferrum 45% |
| RW41 | UNS N07041 | Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% |
| RW45 | W.Nr 2.0842 | Nickel 45%, Cuprum 55% |
| RW60 | W.Nr 2.4867 | Nickel 60%, Chrome 16%, Ferrum 24% |
| RW60 | UNS NO6004 | Nickel 60%, Chrome 16%, Ferrum 24% |
| RW80 | W.Nr 2.4869 | Nickel 80%, Chrome 20% |
| RW80 | UNS NO6003 | Nickel 80%, Chrome 20% |
| RW125 | W.Nr 1.4725 | Ferrum BAL, Chromium 19%, Aluminium 3% |
| RW145 | W.Nr 1.4767 | Ferrum BAL, Chromium 20%, Aluminium 5% |
| RW155 | Ferrum BAL, Chromium 27%, Aluminium 7%, Molybdenum 2% | |
Nuntium tuum hic scribe et nobis mitte.
