Things to know
about carbides
about carbides
AF K20CF
K20CF is a submicron grade with 8% Co. It is characterized by a high wear resistance. Well suited for diamond coating. | ||
ISO-Range | K10 - K20 |
Chemical Data | |
Co (%) | 8 |
WC incl. Doping (%) | 92 |
Physical Data | |
Density (g/cm³) | 14,6 |
Hardness | |
HV 30 (N/mm²) | 1710 |
HRA | 92,5 |
Transverse Rupture Strength | |
(N/mm²) | > 4000 |
(1000 psi) | > 580 |
KIc* (Shetty) | |
(MNm-3/2) | 9,5 |
Metallogaphic Data | |
Porosity | |
A < 10 µm | ≤ 02 |
B > 10 - 25 µm | 00 |
C | 00 |
Microstructure | |
Tungsten Carbide α | Ø 0,6 µm |
Binding Phase β | unif. distr. |
Mixed Carbide γ | - |
Eta Phase η | - |