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Formula: Fe 72.8/Cr 22/Al 5/Y 0.1/Zr 0.1
Form: Coil
Material: Fecralloy®
Commodity: Alloys
Fecralloy® Coils feature in our extensive range of specialty metals and alloys. With 69 variations to choose from, these high purity iron-chromium-aluminum alloy foils are available in multiple thicknesses and dimensions. They combine good oxidation resistance with high temperature strength, making them an excellent choice for applications like heating elements, thermal insulation and corrosion resistant coatings. The wide combination of sizes and compositions we offer makes it easy to find the optimal Fecralloy® Coils for your specific needs.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Coil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) <25
Hardness - Vickers( kgf mm⁻² ) 230
Tensile strength( MPa ) 560
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 134
Temperature coefficient( K⁻¹ ) 0.0001
Magnetic Properties
Element Value
Curie temperature( C ) 600
Thermal Properties
Element Value
Maximum use temperature in air( C ) 1100-1300
Melting point( C ) 1380-1490
Thermal conductivity( W m⁻¹ K⁻¹ ) 16@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 11.1@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 7.22

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