Lead Pellets

Lead Pellets are defined by their high density, softness, and stability, which give them excellent energy absorption and shielding properties. Their spherical or near-spherical form allows consistent packing and dispersion, making them widely adopted across multiple sectors. Industries including materials testing, radiation protection, defense, and manufacturing benefit from their unique characteristics. Specific applications include calibration media in impact and ballistics testing, shielding fillers in radiation-protection barriers, and counterweights in precision devices. In electronics and advanced fabrication, they also serve as feedstock in alloy production and specialized coatings. The controlled geometry and uniformity of Lead Pellets make them integral to both research and applied engineering, ensuring repeatability and precision in experimental and industrial settings. Their role in enabling safe environments and consistent material performance underscores their importance as both a research material and an industrial commodity.

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Properties

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Tolerances

Pellets

Maximum Lump Size		Nominal

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	82
Crystal structure	Face centred cubic
Electronic structure	Xe 4f¹⁴ 5d¹⁰ 6s² 6p²
Valences shown	2, 4
Atomic weight( amu )	207.2
Thermal neutron absorption cross-section( Barns )	0.18
Photo-electric work function( eV )	4
Natural isotope distribution( Mass No./% )	207/ 22.1
Natural isotope distribution( Mass No./% )	208/ 52.4
Natural isotope distribution( Mass No./% )	206/ 24.1
Natural isotope distribution( Mass No./% )	204/ 1.4
Atomic radius - Goldschmidt( nm )	0.175
Ionisation potential( No./eV )	5/ 68.8
Ionisation potential( No./eV )	3/ 31.9
Ionisation potential( No./eV )	4/ 42.3
Ionisation potential( No./eV )	2/ 15.03
Ionisation potential( No./eV )	1/ 7.42

Mechanical Properties

Element	Value
Hardness - Mohs	1.5
Material condition	Polycrystalline
Material condition	Sand cast
Poisson's ratio	0.44
Poisson's ratio	0.44
Bulk modulus( GPa )	45.8
Bulk modulus( GPa )	45.8
Tensile modulus( GPa )	16.1
Tensile modulus( GPa )	16.1
Tensile strength( MPa )	12
Yield strength( MPa )	5.5

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	20.6@20@20°C
Superconductivity critical temperature( K )	7.196
Temperature coefficient( K⁻¹ )	0.0042@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.44

Physical Properties

Element	Value
Boiling point( C )	1740
Density( gcm⁻³ )	11.35@20

Thermal Properties

Element	Value
Melting point( C )	327.5
Latent heat of evaporation( J g⁻¹ )	862
Latent heat of fusion( J g⁻¹ )	23.2
Specific heat( J K⁻¹ kg⁻¹ )	159@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	35.3@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	29@0-100°C