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Fecralloy® Foil (Light Tight)

Formula: Fe 72.8/Cr 22/Al 5/Y 0.1/Zr 0.1
Form: Foil (Light Tight)
Material: Fecralloy®
Commodity: Alloys
Light Tight: Light Tight
Fecralloy® Foil (Light Tight) is a corrosion-resistant alloy designed for high-temperature applications, with excellent resistance to oxidation and thermal degradation. It is primarily used in aerospace, energy production, and scientific research environments requiring precise control of light exposure, infrared emissions, and radiation shielding. Its light-tight and thermally stable properties are crucial for experiments involving photonic isolation, energy conversion systems, and high-temperature vacuum chambers. Our process enable pinhole free foils down in a variety of thicknesses.The alloy's stability at elevated temperatures and ability to form a protective alumina layer make it suitable for thermal management systems, sensor enclosures, and controlled-atmosphere furnaces. Fecralloy® Foil is a key material in laboratory, materials science and nanotechnology engineering applications that demand long-term performance under extreme environmental conditions.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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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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