Properties of Tungsten (W)

Tungsten is a chemical element with the symbol (W) and atomic number 74. It is a dense, hard, and steel-gray metal with the highest melting point of any element. Tungsten has excellent heat and electrical conductivity properties, making it valuable in various industrial applications.

The following table provides a comprehensive list of tungsten (W) properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).

Click on the icon to switch between Metric and Imperial units.

Table of Tungsten Properties
Physical Properties
Metric
Crystal StructureBody-centered cubic (bcc)
Atomic Number74
Molar Mass183.84 g/mol
Density19300 kg/m3
Mechanical PropertiesMetric
Young’s Modulus (E)411 GPa
Shear Modulus (G)160.6 GPa
Bulk Modulus (K)311 GPa
Poisson’s Ratio (ν)0.28
Mohs Hardness7.5
Thermal PropertiesMetric
Melting Point3414 °C
Boiling Point5656 °C
Thermal Conductivity (27°C)174 W/m·K
Specific Heat Capacity (Cp) (25°C)132 J/kg·K
Coefficient of Thermal Expansion (αL) (25°C)4.5×10-6 1/°C
Electrical PropertiesMetric
Electrical Resistivity5.39×10-6 Ω·cm

Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)

References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) A.M. Howatson, P.G. Lun, J.D. Todd, P.D. Engineering Tables and Data. United Kingdom: University of Oxford, Department of Engineering Science, 2009.