Iron - 26Fe: physical properties
Density properties
Density of solid: 7874 kg m‑3
Molar volume: 7.09 cm3
Elastic properties
Young's modulus: 211 GPa
Rigidity modulus: 82 GPa
Bulk modulus: 170 GPa
Poisson's ratio: 0.29 (no units)
Hardnesses
Mineral hardness: 4.0 (no units)
Brinell hardness: 490 MN m-2
Vickers hardness: 608 MN m-2


Electrical properties
Electrical resistivity: 10 × 10‑8 Ω m; or mΩ cm
Heat and conduction
Thermal conductivity: 80 W m‑1 K‑1
Coefficient of linear thermal expansion: 11.8 × 10‑6 K‑1
Optical properties
The image above is a virtual representation of iron metal calculated by Patrick Callet using the complex diectric function of the element only.
Reflectivity: 65 %
Refractive index: (no data) (no units)
Acoustic properties
Velocity of sound: 4910 m s‑1