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Beryllium Powder

Formula: Be

Form: Powder

Material: Beryllium

CAS Number: 7440-41-7

Commodity: Metals

Purity: 99.9%

Mean Particle Size: 25µm

Weight: 100g

Hazard Pictogram: GHS02, GHS06, GHS08, GHS09

Beryllium Powder is a finely divided metallic powder composed of beryllium metal particles. It’s known for being one of the lightest metals and having high strength, stiffness, thermal stability, and electrical and thermal conductivity. Due to these unique properties, this powder has specialized applications, including aerospace and defense components, X-ray transmission windows, and lightweight high-performance alloys.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

Acute toxicity

Serious health hazard

Hazardous to the environment

each

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	4
Crystal structure	Hexagonal close packed
Electronic structure	He 2s²
Valences shown	2
Atomic weight( amu )	9.01218
Thermal neutron absorption cross-section( Barns )	0.0092
Photo-electric work function( eV )	3.4
Atomic radius - Goldschmidt( nm )	0.113
Ionisation potential( No./eV )	2/ 18.2
Ionisation potential( No./eV )	1/ 9.32
Ionisation potential( No./eV )	4/ 218
Ionisation potential( No./eV )	3/ 154

Mechanical Properties

Element	Value
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.02
Poisson's ratio	0.02
Bulk modulus( GPa )	110
Bulk modulus( GPa )	110
Tensile modulus( GPa )	318
Tensile modulus( GPa )	318
Hardness - Vickers( kgf mm⁻² )	150
Hardness - Vickers( kgf mm⁻² )	200
Tensile strength( MPa )	550
Tensile strength( MPa )	310
Yield strength( MPa )	345
Yield strength( MPa )	240

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	3.3@20@20°C
Superconductivity critical temperature( K )	0.026
Temperature coefficient( K⁻¹ )	0.009@0-100°C

Physical Properties

Element	Value
Boiling point( C )	2470
Density( gcm⁻³ )	1.848@20°C

Thermal Properties

Element	Value
Melting point( C )	1278
Latent heat of evaporation( J g⁻¹ )	32470
Latent heat of fusion( J g⁻¹ )	1350
Specific heat( J K⁻¹ kg⁻¹ )	1825@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	201@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	12@0-100°C

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