Black Surface FeCrAl Alloy High Resistance Furnace Wire Ribbon Shape
0Cr25Al5 (W.Nr. 1.4765) black surface alloy furnace wire/flat wire with high resistance
Iron-Chrome-Aluminum FeCrAl 0Cr25Al5 resistance heating alloy has high maximum service temperature in air up to 1250oC. Longer life permits large surface stress to be applied on the alloy. Lighter weight makes it a more economical resistance heating material than Nichrome. The electric resistivty remains almost constant with varying temperatures. Good yield strength and aging resistance. Outstanding form stability. Greater heat resistance than austenitic stainless steels therefore it is commonly used in the heating applications.
FeCrAl 0Cr25Al5 resistance heating alloy Applications
Infrared heaters, heating plates, irons, ceramic heaters & pots, fan heaters, quartz tube heaters, toasters, ovens, storage heaters, bead insulated coils, open coil components, hot air guns, convection heaters, radiators, industrial furnaces for heat processing, metal sheath tubular elements, suspended coil elements for air heaters
Industrial Nomenclatures: UNS K92500, 1.4765
FeCrAl 0Cr25Al5 resistance heating alloy Chemical composition and characteristics
| Elements | |
| Chromium (Cr) | 23 to 26 % |
| Aluminum (Al) | 4.5 to 6.5 % |
| Iron (Fe) | Rem % |
| Properties | |
| Maximum operation temperature | 1250 oC |
| Electric resistivity | 1.42 micro-ohm. Meter at 20 oC |
| Density | 7.10 gram per cm3 |
| Thermal conductivity | 46.1 KJ/m.h.°C |
| Linear coefficient of thermal expansion | 16 x 10-6 per oC |
| Melting Point | 1500 oC |
| Tensile Strength | 630 to 780 Mpa |
| Elongation | Above 12 % |
| Reduction in area | 60 to 75 % |
| Hardness | 200 to 260 HB |
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