| P40 |
1 – 3 |
C9 |
6.0 Co |
91.2 |
14.90 |
420 |
Grades with high abrasion resistance and moderate toughness
DTH bit inserts
AF63 used in long dome extensions for conical and ballistic shapes
Wear applications |
| 307 |
1 – 3 |
C9 |
7.0 Co |
91.3 |
14.80 |
490 |
Mining applications requiring more toughness than the 6% Co grades |
| H8 |
1 – 3 |
C9 |
8.0 Co |
90.5 |
14.65 |
480 |
Various mining and construction applications |
| M81 |
3 – 5 |
C12 |
10.0 Co |
87.9 |
14.50 |
350 |
Buttons for rotary tricon bits, inserts for percussive bits, geophysical tips for drag bits, etc. |