Elementum calefactionis spiralis electricae hiln ex mixtura FeCrAl 0cr21al6Nb
0Cr21Al6NbMixtura ferri-chromii-aluminii (mixtura FeCrAl) est ad usum in temperaturis usque ad 1350°C (2550°F). Haec mixtura cum proprietatibus altae resistentiae, coefficiens temperaturae resistentiae electricae humilis, temperatura operandi alta, et bonae resistentiae oxidationis sub temperatura alta. Aequare potest kanthal A1, Alloy875, Resistohm 145, Aluchrom0, Alchrome875, MWS-875, et Stablohm875.
Late adhibetur in fornacibus electricis industrialibus, apparatu electrico domestico, et instrumento radiorum infrarubrorum remotiorum.
Qualia sunt calefactores tabulati, calefactores infrarubri, laminae calefacientes, calefactores in cartucho, calefactores accumulatorii, calefactores ceramici ad laminas coquendas, elementa furni, radiatores, calefactores in tubo quarzico ad calefactionem spatiorum, tostatores, furni tostores, siccatores industriales infrarubri, spirales in fibra ceramica fusa ad laminas coquendas cum focis ceramicis et cetera.
Nomenclatura Mixturae Metallicae Effectus | 1Cr13AL4 | 0Cr21AL6 | 0Cr21Al4 | 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 (°C) | 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 | – | |
Coefficiens expansionis linearum (α×10⁻⁶/ºC) | 15.4 | 16 | 14.7 | XV | 13.5 | 16 | 16 | |
Punctum liquefactionis approximatum (ºC) | 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 (%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
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 (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Tempus servitii continui (horae/ºC) | – | ≥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 |
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