FeCrAl Alloy 0Cr21Al6Nb Heating Strip 2.0x20mm - High Resistivity 1.45 μΩ*m, 1350°C Max Temperature
High-resistivity iron-chrome-aluminum alloy strip with oxidation-resistant surface, ideal for industrial heating applications.
This FeCrAl alloy heating strip features the 0Cr21Al6Nb grade with high resistivity and excellent oxidation resistance. The 2.0x20mm dimensions make it suitable for various industrial heating element applications.
- Maximum working temperature: 1350°C
- High resistivity: 1.45±0.07 μΩ*m at 20°C
- Excellent oxidation resistance and long service life
- Higher surface load capacity than NiCr alloys
- Lower density and free from oxide debris
- Superior form stability and technical properties
| Property | 0Cr21Al6Nb Value |
|---|---|
| Chemical Composition | Cr: 21.0-23.0%, Al: 5.0-7.0%, Nb: 0.5%, Fe: Balance |
| Maximum Use Temperature | 1350°C |
| Melting Point | 1510°C |
| Density | 7.10 g/cm³ |
| Resistivity (20°C) | 1.45±0.07 μΩ*m |
| Tensile Strength | 637-784 MPa |
| Extension Rate | 12% |
| Linear Expansion Coefficient | 16.0×10⁻⁶/°C (20-1000°C) |
| Thickness (mm) | Common Precision (mm) | High Precision (mm) |
|---|---|---|
| 0.05 - 0.1 | ±0.01 | ±0.005 |
| 0.1 - 0.2 | ±0.015 | ±0.01 |
| 0.2 - 0.5 | ±0.02 | ±0.015 |
| 0.5 - 1.0 | ±0.03 | ±0.025 |
| 1.0 - 1.8 | ±0.04 | ±0.03 |
| 1.8 - 2.5 | ±0.05 | ±0.04 |
| 2.5 - 4.0 | ±0.06 | ±0.05 |
This FeCrAl alloy heating strip is widely used for manufacturing electric heating elements in various applications including:
- Industrial furnaces and heating systems
- Home appliances (flat irons, ironing machines, water heaters)
- Plastic molding dies and soldering irons
- Metal-sheathed tubular elements and cartridge elements
Shanghai Tankii Alloy is a professional manufacturer with over 30 years of experience in high-resistance heating alloys. Annual production capacity exceeds 5000 tons of various nickel-base alloys.
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