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

Heatscape representing the density of the elements — Heatscape picture representing the density of the periodic table elements.

Heatscape representing the molar volume of the elements — Heatscape representing the molar volume of the periodic table elements.

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) %
$refractive index of the chemical elements displayed on a miniature periodic table$ Refractive index: (no data) (no units)

Acoustic properties

Velocity of sound: 5940 m s^‑1