CTF28T

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Description

CTF28T: particularly for the finish machining of steel. Thanks to high oxidation resistance and low tendency to stick it is particularly suitable for the production of uncoated reamers.

Related Standards

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.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

6.4 g/cm³

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Grain structure

Fine (0,8µm - 1,3µm)

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

523 GPa

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Hardness, Rockwell A

23.0 °C

91.8 [-]

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Hardness, Vickers, 10

23.0 °C

1600 [-]

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EN ISO 6507-1

Hardness, Vickers, 30

23.0 °C

1580 [-]

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EN ISO 6507-1

Plane-Strain Fracture Toughnes

23.0 °C

8.5 MPa·√m

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ISO 28079

Poisson's ratio

23.0 °C

0.22 [-]

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Tensile strength, transverse

23.0 °C

2000 MPa

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DIN EN ISO 7438

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

5.61E-6 1/K

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Specific heat capacity

23.0 °C

0.48 J/(kg·K)

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Thermal conductivity

23.0 °C

10.48 W/(m·K)

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Thermal diffusivity

23.0 °C

3.47 mm²/s

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Chemical properties

PropertyValueComment

Cobalt

14.1 %

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as Co + Ni

Other

74.8 %

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Tungsten

WC balance

Technological properties

Property