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Mixtura Fe-Cr-Al cum resistivitate et temperatura serviendi alta quam mixtura NiCr, et etiam pretio minore. 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 | ›15 | ›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 |
Praecedens: Filum nitidum AWG11 0Cr21Al6Nb ad resistentias electricas Deinde: 3j21 Taenia Mixta Altae Elasticitatis, Resistentia Caloris, Taenia Mixta Nickel Chromium Ferrumque OEM