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Formula: Ni 65/Cu 33/Fe 2
Form: Disk
Material: Monel® 400
Commodity: Alloys
Temper: Annealed
Hazard Pictogram: GHS07, GHS08
Goodfellow's Monel® 400 Disk is a nickel-copper alloy foil known for its high strength, toughness, and resistance to corrosion and acids. With a nickel content around 63%, Monel® 400 demonstrates superior mechanical properties and durability compared to pure nickel, making it suitable for applications requiring frequent temperature changes or exposure to corrosive environments. Goodfellow offers Monel® 400 Disk in a range of thicknesses ideal for gaskets, fasteners, springs, valves and other parts where longevity and performance are critical.
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
Hardness - Brinell 125-190
Elongation at break( % ) <40
Modulus of elasticity( GPa ) 185
Izod impact strength( J m⁻¹ ) 110-140
Tensile strength( MPa ) 550-950
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 48-51
Temperature coefficient( K⁻¹ ) 0.0019
Thermal Properties
Element Value
Maximum use temperature in air( C ) 450
Melting point( C ) 1300-1350
Thermal conductivity( W m⁻¹ K⁻¹ ) 21.7@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 13.9-14.1@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.84

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