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FeCrAl alloy, short for Iron-Chromium-Aluminum alloy, is a high-resistance alloy used in a variety of industrial applications. It is known for its excellent resistance to oxidation, high-temperature strength, and good electrical resistivity. Here is a detailed introduction to FeCrAl alloy:
Composition and Properties:
1.Composition: FeCrAl alloy consists of iron (Fe), chromium (Cr), and aluminum (Al) as its main components. Other elements like silicon (Si) and manganese (Mn) may also be present in small amounts to enhance specific properties.
2.Properties:
Oxidation Resistance: FeCrAl alloys form a protective oxide layer at high temperatures, which helps in resisting further oxidation, making them suitable for high-temperature applications.
High-Temperature Strength: These alloys maintain their strength at elevated temperatures, making them ideal for use in heating elements and industrial furnaces.
Electrical Resistivity: FeCrAl alloys exhibit high electrical resistivity, making them suitable for use in electrical heating elements.
Mechanical Properties: FeCrAl alloys have good mechanical properties, including ductility and formability, allowing them to be easily fabricated into various shapes and sizes.
Applications:
Heating Elements: FeCrAl alloys are commonly used in the manufacturing of electric heating elements for industrial and household applications, such as ovens, toasters, and furnaces, due to their high-temperature strength and oxidation resistance.
Industrial Furnaces: These alloys are used in the construction of industrial furnaces and kilns where high-temperature stability and resistance to thermal cycling are required.
Resistance Heating: FeCrAl alloys are used in resistance heating applications, such as in wire-wound resistors and heat sealing elements, due to their high electrical resistivity.
Appliances: FeCrAl alloys find applications in various household appliances, including hair dryers, electric irons, and cooking appliances, where high-temperature performance is necessary.
Manufacturing Process:
Alloy Preparation: FeCrAl alloys are typically produced by melting and alloying iron, chromium, and aluminum in precise proportions in a controlled atmosphere to prevent oxidation.
Forming: The alloy is then formed into various shapes using processes like casting, rolling, or extrusion, depending on the final application requirements.
Heat Treatment: FeCrAl alloys may undergo heat treatment processes to improve their mechanical properties and optimize their microstructure for specific applications.
In conclusion, FeCrAl alloy is a versatile material known for its excellent high-temperature strength, oxidation resistance, and electrical resistivity. Its wide range of applications makes it a popular choice in various industries, including electrical, automotive, and 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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Oct.1-7 and Chinese New Year holiday . Pls email us during our holiday if u have any question.
Do you provide free samples?
Yes,we can provide a free sample for testing,buyer should bear all the shipping costs.
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T/T,L/C,D/A,D/P,Western Union,MoneyGram,Paypal
What is the lead time?
Usually sample lead time is 7 days after payment has been confirmed.
International Sales Depart.
Jiangsu Victory Technology Co., Ltd
P: +86-18021977056 M: +8618021977056
F: +86-519-88993373
A: NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu
