FeCr25Al5 wire Electrical High Temperature Heating Wire
FeCr25Al5 wire Electrical High Temperature Heating Wire
1 Introduction for FeCrAl alloy heating wireD
Fe-Cr-Al alloy heating wire is mainly composed of ferrum,chromium,aluminium. It is widely used in various in many industries, such as metallurgical, chemical, glass, ceramic, and electrics for instance.
2 Features
| Features of FeCrAl alloy heating wire 0Cr25Al5 | |
| 1 | An excellent resistance to oxidation under heat |
| 2 | A limitation of intergranular oxidation |
| 3 | High electric resistance and long lifetime |
| 4 | Good performance of anti-carburizing, the atmosphere and surface of sulfur pollution |
3 Application
| Applications of FeCrAl heating alloy wire | |
| 1 | industrial and civil heating-furnace |
| 2 | infrared equipment |
| 3 | liquefied gas infrared heat-resisting net |
| 4 | different kinds of igniting and radiating electrodes and voltage-regulating resistors for motors |
4 Size
| Size | |
| Wires | 0.018-10mm |
| Ribbons | 0.05*0.2-2.0*6.0mm |
| Strips | 0.5*5.0-5.0*250mm |
| Bars | D10-100mm |
Chemical Content, %
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other | |
| Max | ||||||||||
| 0.06 | 0.025 | 0.020 | 0.50 | ≤0.6 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Balance | - | |
Mechanical Properties
| Max Continuous Service Temperature: Resisivity 20ºC: Density: Thermal Conductivity: Coefficient of Thermal Expansion: Melting Point: Elongation: Micrographic Structure: Magnetic Property: |
1250ºC 1.42+/-0.07ohm mm2/m 7.10g/cm3 46.1 KJ/m·h·ºC 15.0×10-6/ºC (20ºC~1000ºC) 1500ºC Min 12% Ferrite magnetic |
Temperature Factor of Electrical Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1.000 | 1.002 | 1.005 | 1.008 | 1.013 | 1.021 | 1.030 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.038 | 1.040 | 1.042 | 1.044 | 1.046 | 1.047 | 1.047 |
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