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| Brand Name: | DLX |
| Model Number: | 0Cr21Al6 |
| MOQ: | 5 |
| Payment Terms: | L/C,T/T,Western Union |
| Supply Ability: | 500 tons per month |
0Cr21Al6 is an iron-chromium-aluminum (FeCrAl) resistance heating alloy designed for electrical heating applications that require high-temperature oxidation resistance and stable electrical resistance. It is suitable for manufacturers of heating elements, industrial furnace components and other electrical heating equipment.
0Cr21Al6 FeCrAl Resistance Heating Alloy
The alloy contains 19–22% chromium and 5–7% aluminum, with iron as the balance. Its listed electrical resistivity is 1.42 ± 0.05 μΩ·m at 20°C, and the maximum continuous service temperature of the heating element is 1250°C.
Available in wire, ribbon, strip and rod forms, DLX supports customized dimensions and specifications for heating element manufacturers, industrial buyers and distributors. Contact us with your required dimensions, order quantity and application details for a quotation.
Applications of 0Cr21Al6 FeCrAl Alloy
- Industrial Furnaces: Resistance heating elements for suitable operating conditions.
- Household Appliances: Heating elements for compatible electrical appliances.
- Heating Element Manufacturing: Wire, ribbon and strip for customized resistance elements.
- Industrial Heating Equipment: Components for industrial thermal processing systems.
- Electrical Resistance Assemblies: Custom components requiring defined dimensions and electrical resistance.
Application suitability depends on operating temperature, atmosphere, heating cycle and component design.
Ferrous Chromium Aluminum alloy performance tables
Key Properties of 0Cr21Al6 FeCrAl Alloy
|
Property |
Specification |
|---|---|
|
Alloy Type |
Iron-Chromium-Aluminum (FeCrAl) |
|
Electrical Resistivity at 20°C |
1.42 μΩ·m |
|
Density |
7.16 g/cm³ |
|
Maximum Continuous Service Temperature of Heating Element |
1250°C |
|
Approximate Melting Point |
1500°C |
|
Tensile Strength |
630–780 MPa |
|
Elongation at Rupture |
≥12% |
Values are based on the existing product data and should be confirmed against the current technical specification.
| 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 20ºC(μΩ·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·ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | ||
| Coefficient of lines expansion(α×10-6/ºC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
| Melting point approx.( ºC) | 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/ ºC) | -- | ≥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 |
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Frequently Asked Questions
Q1: What is 0Cr21Al6 FeCrAl alloy used for?
It is used in suitable electrical heating elements, industrial furnaces and heating equipment.
Q2: What product forms are available?
The listed forms include heating wire, ribbon, strip and rod. Dimensions should be confirmed for each order.
Q3: Can I order 0.03 mm heating wire?
The current listing includes wire diameters starting at 0.03 mm. Please confirm tolerances and production availability before ordering.
Q4: What is the maximum service temperature?
The listed maximum continuous service temperature of the heating element is 1250°C. Actual suitability depends on operating conditions and element design.
Q5: How can I request a quotation?
Please provide the required product form, dimensions, tolerances, order quantity, application and delivery requirements.
Request a Quote for 0Cr21Al6 FeCrAl Alloy
DLX supplies FeCrAl heating alloy for industrial buyers, heating element manufacturers and distributors.
Please provide your required product form, dimensions, tolerances, order quantity and application details. Our team can review your requirements and confirm availability, lead time and quotation details.
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