FeCrAl Cr15Al5 wire bar strip
Overview
Cr15Al5 iron-chromium-aluminum alloy has broad application prospects in high-temperature heating and corrosive environments due to its excellent high-temperature performance and oxidation resistance.
Limiting Chemical Composition, %
Chromium..............................................................................................................................................................................15.0--17.0
Aluminum..................................................................................................................................................................................4.0--6.0
Carbon.....................................................................................................................................................................................0.15 Max.
Silicon.........................................................................................................................................................................................1.0 Max.
Manganese...............................................................................................................................................................................1.0 Max.
Phosphorus........................................................................................................................................................................... 0.03 Max.
Sulfur........................................................................................................................................................................................0.03 Max.
Iron...............................................................................................................................................................................................Balance.
Physical Constants
Density: Approximately 7.10 g/cm³.
Resistivity: At 20℃, it is 1.35 μΩ·m.
Maximum operating temperature: up to 1250℃.
Characteristic
Excellent oxidation resistance: Cr15Al5 alloy can form a stable alumina layer at high temperatures to protect the matrix from oxidation.
High resistivity: suitable for the manufacture of resistance components, such as electric heating wires.
Good mechanical properties: maintain good mechanical strength at high temperatures.
Corrosion Resistance
Oxidation resistance: A dense protective layer of alumina can be formed at high temperatures to prevent further oxidation of the material.
Corrosion resistance: It shows good corrosion resistance in high temperature environments, especially in atmospheres containing sulfur and sulfide
Application
Industrial heating equipment: widely used in industrial furnaces, electric heating elements, etc.
Household appliances: Used for heating elements in electric heaters, electric blankets and other household appliances.
Nuclear energy field: Due to its excellent high-temperature oxidation resistance and corrosion resistance, it is also considered for use in some components of nuclear reactors.