1Cr13Al4, 0Cr25Al5, 0Cr23Al5, 0Cr21Al6, 0Cr21Al4, 0Cr21Al6Nb,0Cr27Al7Mo2est unum genus materiae normalis mixturae Fe-Cr-Al.
Mixtura FeCrAl proprietates habet magnae resistentiae, coefficiens resistentiae temperaturae humilis, temperaturae operandi altae, et bonae resistentiae contra oxidationem et corrosionem sub alta temperatura.
Late adhibetur in fornacibus industrialibus, apparatu domestico, fornacibus industrialibus, metallurgia, machinis, aeroplanis, autocinetis, aliisque industriis quae elementa calefacientia et resistentia producent.
| Proprietas principalis fili calefactionis electricae ex mixtura FeCrAl | ||||||||
| 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 continuae servitii (°C) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resistivitas ad 20°C (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/m² ad h°C) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | ||
| Coefficiens expansionis linearum (α × 10⁻⁶/°C) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
| Punctum liquefactionis approximatum (°C) | 1450 | 1500 | 1500 | 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 (%) | > XVI | > 12 | > 12 | > 12 | > 12 | > 12 | > decem | |
| Variatio areae (%) | 65-75 | LX-LXXV | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Frequentia flexionis repetitae (F/R) | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | |
| Duritia (H. B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Tempus servitii continuum (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 | |
150 0000 2421