| La clase | Tungsteno (Nominal) por ciento en peso | La Densidad (g/cc) | La dureza ( HRC )(máximo). |
| 1 | 90 | 16.85 - 17.25 | 32 |
| 2 | 92.5 | 17.15- 17.85 | 33 |
| 3 | 95 | 17.75- 18.35 | 34 |
| 4 | 97 | 18,25- 18,85 | 35 |
| El grado | Binder (Wt %) | La Densidad (g/cm3). | La dureza (HRA) | TRS (≥N/mm²) |
| YG6 | 6 | 14.8 | 90.0 | 1520 |
| YG6X | 6 | 14.9 | 91,0 | 1450 |
| YG6A | 6 | 14.9 | 92,0 | 1540 |
| YG8 | 8 | 14.7 | 89.5 | 1750 |
| YG12 | 12 | 14.2 | 88.0 | 1810 |
| YG15 | 15 | 14.0 | 87.0 | 2050 |
| YG20 | 20 | 13.5 | El 85,5 | 2450 |
| YG25 | 25 | 12.1. | 84.0 | 2550 |