Beryllium Powder

Beryllium Powder is a lightweight, high-strength metallic material characterized by exceptional stiffness-to-weight ratio, excellent thermal conductivity, and notable corrosion resistance. Its ultrafine particle form enables high reactivity, uniform dispersion, and precise control in advanced manufacturing processes. Industries such as aerospace, nuclear technology, and additive manufacturing employ beryllium powder for lightweight structural components, thermal management systems, and specialized metal matrix composites. Specific applications include feedstock for laser or electron beam powder-bed fusion 3D printing, alloying with aluminum or copper to produce high-performance composites, and thermal control substrates in high-power electronics. In research, beryllium powder is vital for studying particle size effects on sintering kinetics, developing nanostructured alloys with enhanced properties, and optimizing high-purity feedstocks for critical aerospace and defense systems. Its combination of low density, high modulus, and advanced processing adaptability ensures it remains a key material for high-performance, precision-engineered applications.

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Tolerance

Properties

Reference & Citations

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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	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