Things to know
about carbides
about carbides
AF K34SF
AF K34SF is an ultra-fine grade with 9% Co. It is characterized by a very high hardness. Well suited for diamond coating. |
ISO-Range | K10 - K30 |
Chemical Data | |
Co (%) | 9 |
WC incl. Doping (%) | 91 |
Physical Data | |
Density (g/cm³) | 14,3 |
Hardness | |
HV 30 (N/mm²) | 2000 |
HRA | 94,4 |
Transverse Rupture Strength | |
(N/mm²) | > 3900 |
(1000 psi) | > 566 |
KIc* (Shetty) | |
(MNm-3/2) | 8,5 |
Metallogaphic Data | |
Porosity | |
A < 10 µm | ≤ 02 |
B > 10 - 25 µm | 00 |
C | 00 |
Microstructure | |
Tungsten Carbide α | Ø < 0,5µm |
Binding Phase β | unif. distr. |
Mixed Carbide γ | - |
Eta Phase η | - |