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Formula: Fe 72.8/Cr 22/Al 5/Y 0.1/Zr 0.1
Form: Disk
Material: Fecralloy®
Commodity: Alloys
Temper: Annealed
Fecralloy® Disk are available in a choice of 7 variations with their alloy composition tailored to optimize properties like stiffness, hardness, and machinability for different industrial uses. They offer strength and good corrosion resistance, making them suitable for applications like fasteners, springs, and precision instruments where durability is needed. With multiple size and finish options, Goodfellow's Fecralloy disks provide versatile solutions for design engineers.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

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

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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