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MG18 (cemented carbide)

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Description

Tungsten hard material for wear protection

Related Standards

Properties

General

Binder

Cobalt binder

Density ρ

14.45 g/cm³ at 20 °C

Grain structure

Submicron grain size

Mechanical

Compressive strength Rmc

6600 MPa at 20 °C

Elastic modulus E

580 GPa at 20 °C

Fracture toughness KIC

9.4 MPa·√m at 20 °C

Hardness, Rockwell A HRA

92.3 [-] at 20 °C

Hardness, Vickers HV

1680 [-] at 20 °C

HV10

Tensile strength, transverse Rm,trans

3700 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

5.5E-6 1/K at 20 °C

Thermal conductivity λ

85 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Co

10 %

This material data has been provided by Ceratizit.

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.