Product Description
Fe-Cr-Al alloy heating wire is mainly composed of ferrum, chromium, aluminium. It is widely used in various in many industries, such as metallurgical, chemical, glass, ceramic, and electrics for instance.
Product Parameters
1 Excellent resistance to oxidation under heating condition;
2 High resistance and long lifetime;
3 Low temperature coefficient;
4 Good performance of anti-carburizing, the atmosphere and surface of sulfur pollution.
Wire: 0.018mm-10mm
Ribbon: 0.05*0.2mm-2.0*6.0mm
Strip: 0.5*5.0mm-5.0*250mm
Bar: 10-100mm
1 Material and model of wire
2 Diameter, if strip, thickness and width;
3 Quantity;
4 Special requirement if you have
main characteristic of FeCrAl electric heating alloy wire |
Alloy Nomenclature Performance |
1Cr13Al4 |
0Cr25Al5 |
0Cr21Al6 |
0Cr23Al5 |
0Cr21Al4 |
0Cr21Al6Nb |
0Cr27Al7Mo2 |
Main Chemical composition |
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 |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
opportune |
Fe |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
|
|
|
|
|
|
Nb0.5 |
Mo1.8-2.2 |
Max. continuous service temp. of element(° C) |
950 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
Resistivity at 20º C(μ Ω @ m) |
1.25 |
1.42 |
1.42 |
1.35 |
1.23 |
1.45 |
1.53 |
Density(g/cm3) |
7.4 |
7.1 |
7.16 |
7.25 |
7.35 |
7.1 |
7.1 |
Thermal conductivity(KJ/m@ h@ º C) |
52.7 |
46.1 |
63.2 |
60.2 |
46.9 |
46.1 |
|
Coefficient of lines expansion(α × 10-6/º C) |
15.4 |
16 |
14.7 |
15 |
13.5 |
16 |
16 |
Melting point approx. ( º C) |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
Tensile strength(N/mm2) |
580-680 |
630-780 |
630-780 |
630-780 |
600-700 |
650-800 |
680-830 |
Elongation at rupture(%) |
> 16 |
> 12 |
> 12 |
> 12 |
> 12 |
> 12 |
> 10 |
Variation of area(%) |
65-75 |
60-75 |
65-75 |
65-75 |
65-75 |
65-75 |
65-75 |
Repeat Bending frequency(F/R) |
> 5 |
> 5 |
> 5 |
> 5 |
> 5 |
> 5 |
> 5 |
Hardness(H. B. ) |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
200-260 |
continuous servicetime(Hours/ º C) |
-- |
≥ 80/1300 |
≥ 80/1300 |
≥ 80/1300 |
≥ 80/1250 |
≥ 50/1350 |
≥ 50/1350 |
Micrographic structure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Magnetic properties |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Application
FeCrAl alloy wire is typically used in industrial furnaces and home appliances. Examples of applications are elements embedded in ceramics for panel heaters, infrared heaters, warming plates, irons, ceramic pots, in cartridge heaters for liquid heating, storage heaters, in ceramic heaters for cooking plates, air guns, hobby kilns, radiators, in quartz tube heaters for space heating, toasters, toaster ovens, grills, industrial infrared dryers, coils on molded ceramic fibre for cooking plates with ceramic hobs.
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