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Tungsten Carbide

Composition

WC

Description

Used in severe service applications, CoorsTek Tungsten Carbide is a tough ceramic that is often applied in seals and for tools. The high stiffness, hardness, and flexural strength are optimal for applications requiring form and strength maintenance under severe conditions. Download the Tungsten Carbide brochure.

Example Applications

  • Hard face seals
  • Tooling inserts

CoorsTek Formulations

Contact a CoorsTek expert to choose a Tungsten Carbide solution for your application.

Columns
Property Units Value

Flexural Strength MOR, (20°C)

MPa

900-2330 

Compressive Strength, (20°C)

MPa

4343-5000

Fracture Toughness, KIc

MPa m1/2

6.0-24.0

Hardness, Rockwell 45N

R45N

-

Hardness, Knoop 1000gm

GPa

16.0-20.0

Maximum Use Temperature

°C

1000

Coefficient of Thermal Expansion, (25-1000°C)

1 x 10-6/°C

5.1-5.9

Thermal Shock Resistance, (∆T)

°C

-

Thermal Conductivity, (20°C)

W/m K

75.0-100.0

Dielectric Strength, (6.35mm)

ac-kV/mm

-

Dielectric Constant, (1 MHz)

25°C

-

Volume Resistivity, (25°C)

ohm-cm

<103

The information provided on this chart is for general material property reference only.  The customer should recognize that exact properties of materials may vary according to product configuration but close control of values of most properties can be maintained, if specified. Nothing herein is provided, or is to be construed, as absolute engineering data or constituting a warranty or representation. Contact CoorsTek for cost-effective design, development and manufacturing assistance. CoorsTek has 300+ variations including various forming and firing processes, not all variants are represented in the present website.

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