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Formula: Fe 64/Ni 36
Form: Powder
Material: Invar®
Commodity: Alloys
Max Particle Size: 45μm
Production Method: Atomized
Hazard Pictogram: GHS02,GHS07,GHS08,GHS09
Invar® Spherical Powder is a nickel-iron alloy in a choice of 11 variations. It has a low thermal expansion that makes it ideal for precision instruments. This is because, with it having minimal thermal expansion and contraction, Invar® maintains precise dimensions. Example applications include precision optics mounts, semiconductor production equipment, and aerospace components where thermal stability is critical. Our Invar® Spherical Powder range enables designers to 3D print or sinter parts with exceptional dimensional control.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

Health hazard/Hazardous to the ozone layer

Serious health hazard

Hazardous to the environment

each

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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 160
Elongation at break( % ) 45
Modulus of elasticity( GPa ) 140-150
Tensile strength( MPa ) 450-590
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 75-85
Magnetic Properties
Element Value
Curie temperature( C ) 279
Thermal Properties
Element Value
Melting point( C ) 1427
Specific heat( J K⁻¹ kg⁻¹ ) 515@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 13@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 1.7-2@20-90°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8

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