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Formula: Co 42.5/Cr 20/Ni 13/Fe/W/Mo/Mn
Form: Foil (Light Tight)
Material: Havar®
Commodity: Alloys
Temper: As Rolled
Light Tight: Light Tight
Havar® Foil (Light Tight) is a metal foil that’s part of our extensive range of specialty metals and alloys. With a choice of 59 variations, this foil provides properties like high strength, good ductility and excellent corrosion resistance. It finds use in applications that require a thin, corrosion-resistant barrier layer. For example, it can protect moisture-sensitive devices or shield light-sensitive components inside analytical instrumentation. The variety of sizes and thicknesses available makes this foil suitable for many custom fabrication and packaging needs across science and industry.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Health hazard/Hazardous to the ozone layer

Serious health hazard

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Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) 1
Modulus of elasticity( GPa ) 200-210
Tensile strength( MPa ) 960-970
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 92
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 1480
Thermal conductivity( W m⁻¹ K⁻¹ ) 13@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12.5@0-50°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.3

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