Chromium - 24Cr: physical properties
Density properties
Density of solid: 7140 kg m‑3
Molar volume: 7.23 cm3
Elastic properties
Young's modulus: 279 GPa
Rigidity modulus: 115 GPa
Bulk modulus: 160 GPa
Poisson's ratio: 0.21 (no units)
Hardnesses
Mineral hardness: 8.5 (no units)
Brinell hardness: 1120 MN m-2
Vickers hardness: 1060 MN m-2


Electrical properties
Electrical resistivity: 12.7 × 10‑8 Ω m; or mΩ cm
Heat and conduction
Thermal conductivity: 94 W m‑1 K‑1
Coefficient of linear thermal expansion: 4.9 × 10‑6 K‑1
Optical properties
The image above is a virtual representation of chromium metal calculated by Patrick Callet using the complex diectric function of the element only.
Reflectivity: (no data) %
Refractive index: (no data) (no units)
Acoustic properties
Velocity of sound: 5940 m s‑1