CTF12E – Premium Tool Steel with Enhanced Hardness and Toughness
CTF12E: for gun drills with an adapted relation between hardness and toughness. Suitable also for diamond-coated solid carbide tools.
Properties
General
| Property | Temperature | Value | |
|---|---|---|---|
Density | 23.0 °C | 14.95 g/cm³ | |
Grain structure | Fine (0,8µm - 1,3µm) | ||
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 624 GPa | |
Hardness, Rockwell A | 23.0 °C | 92 [-] | |
Hardness, Vickers, 10 | 23.0 °C | 1640 [-] | EN ISO 6507-1 |
Hardness, Vickers, 30 | 23.0 °C | 1620 [-] | EN ISO 6507-1 |
Plane-Strain Fracture Toughnes | 23.0 °C | 9.9 MPa·√m | ISO 28079 |
Poisson's ratio | 23.0 °C | 0.21 [-] | |
Tensile strength, transverse | 23.0 °C | 2200 MPa | DIN EN ISO 7438 |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 4.8E-6 1/K |
Specific heat capacity | 23.0 °C | 0.19 J/(kg·K) |
Thermal conductivity | 23.0 °C | 100 W/(m·K) |
Thermal diffusivity | 23.0 °C | 34.8 mm²/s |
Chemical properties
| Property | Value | Comment | |
|---|---|---|---|
Cobalt | 6 % | as binder | |
Other | 0.15 % | ||
Tungsten | WC balance | ||
Technological properties
| Property |
|---|
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- CTF12E – Premium Tool Steel with Enhanced Hardness and Toughness