1. General Description
FeCrAl alloy is made by a high-temperature, ferritic iron-chromium-aluminium alloy which can be used at temperatures up to 1350degrees. Typical applications for 0Cr21Al6Nb are as electrical heating elements in high-temperature furnaces in the heat treating, ceramics, glass, steel, and electronics industries.
2. Chemical Composition
0Cr21Al6Nb Cr: 21.0-23.0% Al: 5.0-7.0% Fe: Balance Nb: Opportune 0.5
Adequacy 0.5
3. Properties
Alloy Specific Resistance (at 20° Cµ Ω -m): 1.45+-0.07
Hardness: 200-260
Linear Expansion Coeff. (T=20-1000degrees): 16.0X10-6
Melting Point: 1510
Max ContinuousService Temperance: 1350
4. Sizes:
Wire diameter: 0.15mm-8.0mm
Strip:
1). Electric ceramic cooktop resistance strip:
Thickness: 0.04mm-1.0mm
Width: 5mm-12mm
Thickness&Width: (0.04mm-1.0mm)× 12mm(above)
2). Low resistance ribbon:
Thickness&Width: (0.2mm-1.5mm)*5mm
3). Industrial furnace ribbon:
Thickness: 1.5mm-3.0mm
Width: 10mm-30mm
| Properties/Grade |
0Cr21Al6Nb |
| Main Chemical composition(%) |
Cr |
21.0-23.0 |
| Al |
5.0-7.0 |
| Fe |
Balance |
| Re |
opportune |
| |
Nb: 0.5 |
| Max. continuous service temp. of element |
1350 |
| Resistivity at 20oC (μ Ω @ m) |
1.45+-0.07 |
| Density (g/cm3) |
7.1 |
| Thermal conductivity(KJ/m@ h@ oC) |
46.1 |
| Coefficient of lines expansion(α × 10-6/oC) |
16 |
| Melting point (approx. )( oC) |
1510 |
| Elongation at rupture (%) |
≥ 12 |
| Micrographic structure |
Ferrite |
| Magnetic properties |
magnetic |
Production Process:
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Transportation by express:
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