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Tungsten hard material for wear protection
Binder
Cobalt binder
Density ρ
12.4 g/cm³ at 20 °C
Grain structure
Fine grain size
Compressive strength Rmc
5900 MPa at 20 °C
Elastic modulus E
515 GPa at 20 °C
Fracture toughness KIC
10 MPa·√m at 20 °C
Hardness, Rockwell A HRA
91.5 [-] at 20 °C
Hardness, Vickers HV
1550 [-] at 20 °C
HV10
Tensile strength, transverse Rm,trans
2200 MPa at 20 °C
Coefficient of thermal expansion α
6.2E-6 1/K at 20 °C
Thermal conductivity λ
30 W/(m·K) at 20 °C
Element
Weight %
Comment
10.5 %
This material data has been provided by Ceratizit.