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Industrial alloys
Precious metals
Osmium Other metals

Physical Properties

Density at 20° C     22.500g / cm³
Boiling point     5027° C
Melting point     3045° C
Mechanical Properties
Material Annealed Hardened Polycrystalline
Vickers hardness 300-350 670-1000  
Mohs hardness      
Tensile Strenght      
Creep tension      
Tension modulus     559.00 GPa
Compressibility modulus     372.00 GPa
Rho ratio     0.25
Izod resistance      
Atomic Properties
Atomic number     76
Atomic weight     190.2000 amu
Photoelectrical function     4.80 eV
Crystal structure     HCP
Atomic beam     0.135 nm
Neutron absorption cross section     15.3 Bams
Electronic structure     Xe 4f14 5d6 6s2
Valency numbers     0.1.2.3.4.5.6.7.8
Thermal Properties
Thermal conductivity from 0° to 100° C     87.6 W m-1 K-1
Linear expansion coefficient from 0° to 100°C     4.57 x10-6 K-1
Specific heat at 25°C     131 J K-1 kg-1
Latent heat of fusion     154.0 J g-1
Latent heat of evaporation     3305 J g-1
Electrical Properties
Resistivity at 20°C     8.80 µ cm
Temperature coefficient from 0°C to 100°C     0.00410 K-1
Thermal EMF on hot end plate at 100°C      
Critical point of superconductivity     0.66 k