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Material Supplied by

Ed Fagan Inc.

Tungsten

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Description

Many practical applications of tungsten are based on its high melting point and density and its low vapor pressure. Tungsten is an excellent material for high vacuum technology, dimensional stability, glass seals and furnace construction. In addition, tungsten’s high density gives it a capacity to absorb radioactive radiation. Tungsten has found wide use as additives to steel to enhance physical properties and an alloy with nickel, copper and iron to provide high density machinable materials.

Primary standard name

Equivalent standard names

Properties

Electrical

Electrical resistivity ρel

5.3E-8 Ω·m at 20 °C

General

Density ρ

19.3 g/cm³ at 20 °C

Mechanical

Elastic modulus E

400 GPa at 20 °C

Hardness, Vickers HV

460 [-] at 20 °C

Tensile strength Rm

1725 MPa at 20 °C

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Thermal

Coefficient of thermal expansion α

4.2E-6 1/K at 20 °C

Melting point Tm

3420 °C

Specific heat capacity cp

134 J/(kg·K) at 20 °C

Thermal conductivity λ

173 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

W

99.95 %

min

Technological properties

Application areas

Common applications of Tungsten: Lamp filaments, high temperature furnaces, welding electrodes

This material data has been provided by Ed Fagan Inc..

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.