| Customization: | Available |
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| Certification: | RoHS, CB, CCC, ISO9001, CE |
| Type: | Fecral Strip |
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FeCrAl Alloy: A High-Performance Material for Extreme Environments
FeCrAl alloy, short for Iron-Chromium-Aluminum alloy, is a high-resistance material renowned for its exceptional oxidation resistance, high-temperature strength, and excellent electrical resistivity. Widely used in industrial and household applications, FeCrAl alloy is a cornerstone of modern heating and high-temperature technologies.
FeCrAl alloy primarily consists of iron (Fe), chromium (Cr), and aluminum (Al), with trace amounts of elements like silicon (Si) and manganese (Mn) added to enhance specific properties.
Oxidation Resistance:
Forms a protective oxide layer at high temperatures, preventing further oxidation and ensuring durability in extreme environments.
High-Temperature Strength:
Maintains structural integrity and mechanical strength at elevated temperatures, making it ideal for heating elements and industrial furnaces.
Electrical Resistivity:
Exhibits high electrical resistivity, making it suitable for electrical heating applications.
Mechanical Properties:
Offers excellent ductility and formability, allowing it to be easily fabricated into various shapes and sizes.
Heating Elements:
Used in industrial furnaces, ovens, toasters, and household heaters due to its high-temperature stability and oxidation resistance.
Industrial Furnaces:
Ideal for constructing kilns and furnaces where resistance to thermal cycling and high-temperature stability are critical.
Resistance Heating:
Employed in wire-wound resistors, heat sealing elements, and other resistance heating applications.
Household Appliances:
Found in hair dryers, electric irons, and cooking appliances where reliable high-temperature performance is essential.
Alloy Preparation:
Iron, chromium, and aluminum are melted and alloyed in precise proportions under controlled conditions to prevent oxidation.
Forming:
The alloy is shaped using processes like casting, rolling, or extrusion, depending on the application requirements.
Heat Treatment:
Heat treatment processes are applied to enhance mechanical properties and optimize the alloy's microstructure for specific uses.
FeCrAl alloy is a versatile and reliable material, offering unmatched performance in high-temperature and corrosive environments. Its unique combination of properties makes it a preferred choice for industries ranging from electrical and automotive to appliance manufacturing.
| Performance | Material | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
| 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 | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resistivity at 20C(μΩ.m)1.25 | 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) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | -- | |
| Melting Point Approx(degree) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Tensile Strength(N/mm) | 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 | 65-75 | 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 service time(Hours/ ºC) | -- | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥80/1350 | ≥80/1350 | |
| Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
| Shape | Sizes (mm) |
| Wire | 0.05-7.5 |
| Rod | 8-50 |
| Ribbon | (0.05-0.35)*(0.5-6) |
| Strip | (0.5-2.5)*(5-40) |
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