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Formula: Co 42.5/Cr 20/Ni 13/Fe/W/Mo/Mn
Form: Foil/Film/Sheet
Material: Havar®
Commodity: Alloys
Temper: As Rolled
Havar® Foil is a brand of high-strength alloy foil produced by Hamilton Precision Metals. We offer this foil in a comprehensive choice of 81 variations. Its main alloy components are cobalt, chromium, nickel and iron, which provide properties like high tensile strength, corrosion resistance and ease of fabrication. Thin and durable, Havar Foils are commonly used in chemical processing, aerospace and power generation applications such as for gaskets, seals, filters and diaphragms. With a wide selection of widths and thicknesses, our Havar Foil range offers the flexibility you need in designing components for even the most demanding industrial environments.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±25%
Thickness >0.05mm ±10%

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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