Collata cum mixtura NiCr, mixtura Fe-Cr-Al praebet resistivitatem superiorem, temperaturam maximam usus altiorem, et pretium inferiorem.
Applicationes:
Resistores electrici ferri-chromii-aluminii late ad fabricanda elementa calefactionis electrica in apparatibus domesticis et ignibus industrialibus adhibentur. Inter applicationes principales sunt ferra crassa, machinae ionizantes, calefactores aquae, formae plastificationis, ferra ad soldandum, elementa tubularia metallica obducta, et elementa cartuchos.
Gradus | 1Cr13Al4 | TK1 | 0Cr25Al5 | 0Cr20Al6RE | 0Cr23Al5 | 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Compositio nominalis% | Cr | 12.0-15.0 | 22.0-26.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 5.0-7.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | opportunus | 0.04-1.0 | opportunus | opportunus | opportunus | opportunus | opportunus | opportunus | |
Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | ||
Nb0.5 | Mo1.8-2.2 | ||||||||
Temperatura maxima operandi (°C) | DCCL | 1400 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resistivitas 20℃ (Ω/mm²/m) | 1.25 | 1.48 | 1.42 | 1.40 | 1.35 | 1.23 | 1.45 | 1.53 | |
Densitas (g/cm³) | 7.4 | 7.1 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Conductivitas thermalis ad 20℃, W/(M·K) | 0.49 | 0.49 | 0.46 | 0.48 | 3.46 | 0.49 | 0.49 | 0.49 | |
Coefficiens Expansionis Linearis (×10¯⁶/℃) 20-1000℃ | 15.4 | 16 | 16 | 14 | 15 | 13.5 | 16 | 16 | |
Punctum Liquefactionis Approximatum (℃) | 1450 | MDXX | 1500 | 1500 | 1500 | 1500 | MDX | MDXX | |
Robur tensile (N/mm2) | 580-680 | 680-830 | 630-780 | 630-780 | 630-780 | DC-DCCL | 650-800 | 680-830 | |
Elongatio (%) | ›16 | ›10 | ›15 | ›15 | ›15 | ›15 | ›12 | ›10 | |
Ratio Contractionis Variationis Sectionis (%) | 65-75 | 65-75 | LX-LXXV | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Frequentia Flexionis Iteratae (F/R) | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | |
Duritia (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Structura Micrographica | Ferritum | Ferritum | Ferritum | Ferritum | Ferritum | Ferritum | Ferritum | Ferritum | |
Proprietas Magnetica | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | |
Vita Celeris (h/℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |