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CTU08L Carbide Tool – Ultra‑Fine Grain, High Wear Resistance for Hard Materials

CTU08L: carbide grade with a typical grain size of 0.2 μm for the machining of materials with a hardness > 65 HRC. Thanks to the high wear resistance also excellent suitability for abrasive fibre composite materials.

Properties

General

PropertyTemperatureValue

Density

23.0 °C

15.05 g/cm³

Grain structure

Ultrafine (0,2µm - 0,5µm)

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

646 GPa

Hardness, Rockwell A

23.0 °C

94.6 [-]

Hardness, Vickers, 10

23.0 °C

2300 [-]

EN ISO 6507-1

Hardness, Vickers, 30

23.0 °C

2200 [-]

EN ISO 6507-1

Plane-Strain Fracture Toughnes

23.0 °C

8.4 MPa·√m

ISO 28079

Poisson's ratio

23.0 °C

0.2 [-]

Tensile strength, transverse

23.0 °C

3700 MPa

DIN EN ISO 7438

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

4.62E-6 1/K

Specific heat capacity

23.0 °C

0.19 J/(kg·K)

Thermal conductivity

23.0 °C

59 W/(m·K)

Thermal diffusivity

23.0 °C

21.3 mm²/s

Chemical properties

PropertyValueComment

Cobalt

4.2 %

as binder

Other

0.7 %

Tungsten

WC balance

Technological properties

Property

Composite material

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