Tungsten

Definition - What does Tungsten mean?

Tungsten refers to a naturally occurring metal element with the chemical symbol W and an atomic number of 74. Tungsten has a hard steel-gray color and the highest melting point of any naturally occurring metal. It also has good corrosion resistance.

Corrosionpedia explains Tungsten

Tungsten is used to generate parts for a wide range of applications, such as:

  • Filaments in incandescent light bulbs
  • Arc-welding electrodes
  • As an alloy in higher strength steels
  • Steel machining tools
  • Microchips

Tungsten is classified as a refractory metal. Some important properties that must be considered prior to use for any metal or construction application include:

Tensile strength at room temp., psi100,000 – 500,000
Tensile strength at 500ºC, psi75,000 – 200,000
Tensile strength at 1000ºC, psi50,000 – 75,000
Poisson’s ratio0.284


Hardness (mineral)7.5
Hardness (Vickers)3430
Hardness (Brinell)2570
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