| Grade ISO | Cobalt content % | Grain size of WC (μm) | Hardness (HRA) | Density g/cm3 | TRS N/mm2 |
| K05-K10 | 6 | 0.4 | 94 | 14.85 | ≥4000 |
| K10-K20 | 8 | 0.4 | 93.6 | 14.65 | ≥4000 |
| K20-K40 | 12 | 0.4 | 92.5 | 14.15 | ≥4200 |
| K20-K40 | 12 | 0.4 | 93 | 14.2 | ≥3800 |
| K20-K40 | 10 | 0.6 | 92.3 | 14.4 | ≥3900 |
| K20-K40 | 10 | 0.8 | 91.8 | 14.4 | ≥3800 |
| K05 | 7 | 1.0 | 92 | 14.8 | ≥3000 |
|
Grade ISO
|
Cobalt content %
|
Grain size of WC (μm)
|
Hardness (HRA)
|
Density g/cm3
|
TRS N/mm2
|
|
K05-K10
|
6
|
0.4
|
94
|
14.85
|
≥4000
|
|
K10-K20
|
8
|
0.4
|
93.6
|
14.65
|
≥4000
|
|
K20-K40
|
12
|
0.4
|
92.5
|
14.15
|
≥4200
|
|
K20-K40
|
12
|
0.4
|
93
|
14.2
|
≥3800
|
|
K20-K40
|
10
|
0.6
|
92.3
|
14.4
|
≥3900
|
|
K20-K40
|
10
|
0.8
|
91.8
|
14.4
|
≥3800
|
|
K05
|
7
|
1.0
|
92
|
14.8
|
≥3000
|








