Aluminum Balls

Aluminum Balls are characterized by their high strength-to-weight ratio, corrosion resistance, and excellent thermal and electrical conductivity. Their spherical form ensures uniform rolling, packing, or dispersal in various engineering systems, while the metallic surface allows for further surface modification, such as anodization or plating, to enhance performance in specialized environments. These balls are used extensively in aerospace, automotive, and manufacturing industries, serving in applications such as bearings, valves, and precision grinding media. In advanced manufacturing, they are key components in catalytic reactors, additive manufacturing feedstocks, and specialized chemical mixing systems. Their versatility also benefits cutting-edge research in energy storage devices and high-performance tribological systems. As both functional and structural elements, aluminum balls deliver significant value by combining mechanical reliability with adaptability, making them indispensable in both industrial production and scientific experimentation.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Ball/Sphere

Diameter	Standard	±5%
Diameter	Precision	See Item

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	13
Crystal structure	Face centred cubic
Electronic structure	Ne 3s² 3p¹
Valences shown	3
Atomic weight( amu )	26.98154
Thermal neutron absorption cross-section( Barns )	0.232
Photo-electric work function( eV )	4.2
Atomic radius - Goldschmidt( nm )	0.143
Ionisation potential( No./eV )	4/ 120
Ionisation potential( No./eV )	5/ 154
Ionisation potential( No./eV )	6/ 190
Ionisation potential( No./eV )	1/ 5.99
Ionisation potential( No./eV )	3/ 28.4
Ionisation potential( No./eV )	2/ 18.8

Mechanical Properties

Element	Value
Material condition	Soft
Material condition	Hard
Poisson's ratio	0.345
Poisson's ratio	0.345
Bulk modulus( GPa )	75.2
Bulk modulus( GPa )	75.2
Tensile modulus( GPa )	70.6
Tensile modulus( GPa )	70.6
Hardness - Vickers( kgf mm⁻² )	21
Hardness - Vickers( kgf mm⁻² )	35-48
Tensile strength( MPa )	130-195
Tensile strength( MPa )	50-90
Yield strength( MPa )	110-170
Yield strength( MPa )	Oct-35

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	2.67@20@20°C
Superconductivity critical temperature( K )	1.175
Temperature coefficient( K⁻¹ )	0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.42

Physical Properties

Element	Value
Boiling point( C )	2467
Density( gcm⁻³ )	2.7@20°C

Thermal Properties

Element	Value
Melting point( C )	660.4
Latent heat of evaporation( J g⁻¹ )	10800
Latent heat of fusion( J g⁻¹ )	388
Specific heat( J K⁻¹ kg⁻¹ )	900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	237@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	23.5@0-100°C