FeCrAl Alloy

0Cr21Al6 is a widely used FeCrAl resistance heating wire, known for its high resistivity, low resistance coefficient, high working temperature, oxidation resistance, and corrosion resistance. This alloy is commonly used in the manufacturing of heating elements and resistance components across multiple industries.

Cr21Al6 FeCrAl alloy is widely applied in:

• Industrial furnaces: Used for high-temperature heating elements
• Household appliances: Found in electric heaters and other heating devices
• Metallurgy & mechanical industries: Applied in heating components for various processes
• Aerospace & automotive industries: Used for specialized heating and resistance applications
• Military applications: Suitable for high-performance electrical resistance components

• Wire 0.05-7.5
• Rod 8-50
• Flat Wire (0.05-0.35)*(0.5-6.0)
• Strip/Foil (0.5-2.5)*(5-180)

• Chromium (Cr): 19.0-22.0
• Aluminum (Al): 5.0-7.0
• Other Additions: Opportune
• Iron (Fe): Rest

• Grade: 0Cr21Al6
• Max. Service Temperature (°C): 1250
• Resistivity at 20℃ (μΩ·m): 1.42
• Density (g/cm³): 7.16
• Thermal Conductivity (KJ/m.h.ºC): 63.2
• Coefficient of Lines Expansion (α×10⁻⁶/20~1000ºC): 14.7
• Melting Point (°C): 1500
• Tensile Strength (N/mm²): 630-780
• Elongation at Rupture (%): >12
• Variation of Area (%): 65-75
• Bending Frequency (F/R): >5
• Hardness (H.B.): 200-260
• Continuous Service Time (Hours/ºC): ≥80/1300
• Micrographic Structure: Ferrite
• Magnetic Properties: Magnetic