FeCrAlmixtura altae resistentiae et calefactionis electricae
Mixtura resistentiae et calefactionis FeCrAl cum proprietatibus altae resistentiae, coefficiens resistentiae electricae temperaturae humilis, temperaturae operationis altae, bonae resistentiae corrosionis sub alta temperatura, necnon pretio inferiori.
Late adhibetur in fornacibus electricis industrialibus, apparatu electrico domestico, et instrumento radiorum infrarubrorum remotiorum.
Nomenclatura Mixturae Metallicae Effectus | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Compositio chemica principalis (%) | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | opportunus | opportunus | opportunus | opportunus | opportunus | opportunus | opportunus | |
Fe | Requies | Requies | Requies | Requies | Requies | Requies | Requies | |
Nb0.5 | Mo1.8-2.2 | |||||||
Temperatura maxima continua elementi (ºC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resistivitas ad 20ºC (μΩ·m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Densitas (g/cm³) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Conductivitas thermalis (KJ/m·h·ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
Coefficiens linearum expansio (α×10⁻⁶/ºC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
Punctum liquefactionis (circiter) (ºC) | 1450 | 1500 | CL | 1500 | 1500 | MDX | MDXX | |
Robur tensile (N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | DC-DCCL | 650-800 | 680-830 | |
Elongatio ad rupturam (%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
Variatio areae (%) | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Frequentia flexionis (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
Duritia (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Tempus servitii continui (Horae/°C) | – | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
Structura micrographica | Ferritum | Ferritum | Ferritum | Ferritum | Ferritum | Ferritum | Ferritum | |
Proprietates magneticae | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus |
Filum rotundum: diametrus 0.05mm-10.0mm
Filum planum: crassitudo 0.2mm-1.0mm, latitudo 0.08mm-40.0mm
150 0000 2421