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Formula: Sc
Form: Powder
Material: Scandium
CAS Number: 7440-20-2
Commodity: Metals
Purity: 99.9%
Max Particle Size: 250μm
Hazard Pictogram: GHS02
Scandium Powder is an ultrafine metallic powder that we produce to the highest quality with a purity of 99.9%. Its unique properties include low density, high strength-to-weight ratio and excellent electrical conductivity. Available in 3 sizes, it can be used to enhance mechanical characteristics in electronics, aerospace components and aluminum alloys. Scandium powder can also be added to aluminum alloys for the creation of heat-treatable welded structures. Scandium Powder’s combination of light weight and strength make it well suited for aerospace and automotive applications where reducing weight is critical.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

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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 Metals

Atomic Properties
Element Value
Atomic number 21
Crystal structure Hexagonal close packed
Electronic structure Ar 3d¹ 4s²
Valences shown 3
Atomic weight( amu ) 44.9559
Thermal neutron absorption cross-section( Barns ) 25
Photo-electric work function( eV ) 3.5
Atomic radius - Goldschmidt( nm ) 0.16
Ionisation potential( No./eV ) 3/ 24.8
Ionisation potential( No./eV ) 5/ 91.7
Ionisation potential( No./eV ) 4/ 73.5
Ionisation potential( No./eV ) 6/ 111
Ionisation potential( No./eV ) 1/ 6.54
Ionisation potential( No./eV ) 2/ 12.8
Mechanical Properties
Element Value
Hardness - Brinell 78
Hardness - Brinell 136
Material condition Soft
Material condition Hard
Poisson's ratio 0.27
Poisson's ratio 0.27
Bulk modulus( GPa ) 44.2
Bulk modulus( GPa ) 44.2
Tensile modulus( GPa ) 79.3
Tensile modulus( GPa ) 79.3
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 66@20@20°C
Temperature coefficient( K⁻¹ ) 0.00282@0-100°C
Physical Properties
Element Value
Boiling point( C ) 2831
Density( gcm⁻³ ) 2.99@20°C
Thermal Properties
Element Value
Melting point( C ) 1541
Latent heat of evaporation( J g⁻¹ ) 7293
Latent heat of fusion( J g⁻¹ ) 357
Specific heat( J K⁻¹ kg⁻¹ ) 557@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 15.8@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12@0-100°C

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