KCR18+ Cemented Carbide: High-Performance Tungsten Hard Material
Tungsten hard material for wear protection
Properties
General
| Property | Temperature | Value | |
|---|---|---|---|
Density | 23.0 °C | 14.5 g/cm³ | |
Binder | Cobalt binder | ||
Grain structure | Fine grain size | ||
Mechanical
| Property | Temperature | Value |
|---|---|---|
Compressive strength | 23.0 °C | 6600 MPa |
Elastic modulus | 23.0 °C | 585 GPa |
Hardness, Rockwell A | 23.0 °C | 91.7 [-] |
Hardness, Vickers | 23.0 °C | 1590 [-] |
Plane-Strain Fracture Toughnes | 23.0 °C | 10.8 MPa·√m |
Tensile strength, transverse | 23.0 °C | 3750 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 5.3E-6 1/K |
Thermal conductivity | 23.0 °C | 90 W/(m·K) |
Chemical properties
| Property | Value | Comment | |
|---|---|---|---|
Cobalt | 9.5 % | as binder | |
Tungsten | WC balance | ||
Technological properties
| Property |
|---|
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