Beryllium Rod

Beryllium Rod delivers an outstanding combination of high stiffness-to-weight ratio, excellent thermal conductivity, and unique radiation transparency, making it a sought-after material in aerospace, defense, and precision scientific equipment. Its low density and high modulus enable lightweight yet rigid structural components, while its ability to efficiently dissipate heat ensures stability in thermally demanding applications. Industries use beryllium rods in satellite frameworks, gyroscope gimbals, and aerospace-grade optical mounts where mass reduction is critical. Specific uses include neutron reflector assemblies in research reactors, structural supports for high-resolution telescopes, and heat-dissipating components in advanced avionics. In research, Beryllium Rod is integral to studies in lightweight composite design, thermal transport phenomena, and high-performance engineering alloys. Its unique mechanical, thermal, and radiation-interaction characteristics solidify its value in applications where precision, stability, and minimal mass are paramount.

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Tolerance

Properties

Reference & Citations

Acute toxicity

Serious health hazard

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

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°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