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14AWG 1.60mm Iron Chrome FeCrAl Alloy 0Cr21Al4 Heating Resistance Wire For Industry Heating Elements
General Introduction:
0Cr21Al4 is a type of iron-chromium-aluminum (FeCrAl) alloy with the following composition:
21% Chromium (Cr)
4% Aluminum (Al)
Iron (Fe) and trace amounts of other elements.
This alloy is known for its high resistance to oxidation and corrosion at high temperatures, making it suitable for use in heating elements, industrial furnaces, and various electrical applications. 0Cr21Al4 has good mechanical properties and can withstand high temperatures up to around 1100°C.
Due to its excellent oxidation resistance, this alloy is commonly used in environments where high temperatures and harsh conditions are present. It is also known for its relatively low cost compared to some other high-temperature alloys, making it a popular choice in various industrial applications.
What is 0Cr21Al4 Wire Main Applications and Working Performance?
Heating Elements: 0Cr21Al4 wire is widely used in heating elements for industrial furnaces, ovens, electric heaters, and kilns due to its high temperature resistance and oxidation resistance.
Applications:
1. Household Appliances: It is used in appliances like electric stoves, toasters, and hair dryers where resistance heating is required.
2. Industrial Furnaces: The wire is used in industrial furnaces for processes such as heat treatment, forging, and annealing due to its ability to withstand high temperatures.
3. Infrared Heaters: 0Cr21Al4 wire is used in infrared heaters for various applications including space heating and industrial processes.
4. Resistance Wire: It is used as a resistance wire in electrical components and circuits due to its stable electrical properties.
Working Performance:
1. High Temperature Resistance: 0Cr21Al4 wire can withstand temperatures up to around 1100°C without significant degradation.
2. Oxidation Resistance: The alloy has excellent oxidation resistance, maintaining its properties even at high temperatures in oxidizing atmospheres.
3. Mechanical Strength: It has good mechanical properties, providing durability and reliability in various applications.
4. Corrosion Resistance: The wire exhibits good corrosion resistance, making it suitable for use in harsh environments.
5. Electrical Resistance: 0Cr21Al4 wire has a stable electrical resistance, making it ideal for use in heating elements and electrical circuits.
Shape | Size (mm) |
Wire | 0.025-8.00mm |
Rod | 8.00-50.00mm |
Robbin | (0.05-0.35)*(0.5-6.0)mm |
Strip | (0.50-2.50)*(5.00-180.00)mm |
Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4/ 0Cr19Al3 | 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 | |
Rest | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
Others | -- | -- | -- | -- | -- | Nb 0.5 | Mo 1.8-2.2 | |
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 | ||
Line expansion coefficient(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 break(%) | >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 service time(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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Usually sample lead time is 7 days after payment has been confirmed.