Tungsten - 74W: physical properties
Density properties
Density of solid: 19250 kg m‑3
Molar volume: 9.47 cm3
Elastic properties
Young's modulus: 411 GPa
Rigidity modulus: 161 GPa
Bulk modulus: 310 GPa
Poisson's ratio: 0.28 (no units)
Hardnesses
Mineral hardness: 7.5 (no units)
Brinell hardness: 2570 MN m-2
Vickers hardness: 3430 MN m-2


Electrical properties
Electrical resistivity: 5.4 × 10‑8 Ω m; or mΩ cm
Heat and conduction
Thermal conductivity: 174 W m‑1 K‑1
Coefficient of linear thermal expansion: 4.5 × 10‑6 K‑1
Optical properties
The image above is a virtual representation of tungsten metal calculated by Patrick Callet using the complex diectric function of the element only.
Reflectivity: 62 %
Refractive index: (no data) (no units)
Acoustic properties
Velocity of sound: 5174 m s‑1