Machining Properties Of Tungsten Carbide (WC)

Tungsten Carbide was originally developed in Germany in the 1920’s as there was a requirement for die materials that were able to stand up to the high wear encountered in the drawing of tungsten filaments for light bulbs.

Mechanical Properties of Tungsten Carbide

The mechanical properties of Tungsten Carbide are mentioned in the table below:

Property Value*
Density 12 gm/cc
Hardness 1500 Knoop
Modulus of Elasticity 90 x 106 psi
Compressive Strength 580 kpsi
Poisson's Ratio 0.24

* All properties are at room temperature unless otherwise noted.

Electrical Properties of Tungsten Carbide

The electrical properties of Tungsten Carbide are mentioned in the table below:

Property Value*
Volume Resistivity 2.5 x 10-8ohm-cm

* All properties are at room temperature unless otherwise noted.

Thermal Properties of Tungsten Carbide

The thermal properties of Tungsten Carbide are mentioned in the table below:

Property Value*
Coefficient of Thermal Expansion 60 x 10-6/°C
Thermal Conductivity 42 W/mK

* All properties are at room temperature unless otherwise noted.

This information has been sourced, reviewed and adapted from materials provided by INSACO Inc.

For more information on this source, please visit INSACO Inc.

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