| Base material alloy (wt %) | Activation (wt%) | Lubricant (wt%) | ||
| pre-alloyed powder | Cu | graphite | Fe2O3 | |
| 96.1 | 3 | 0.3 | 0 | 0.6 |
| 95.9 | 3 | 0.3 | 0.2 | 0.6 |
| 95.7 | 3 | 0.3 | 0.4 | 0.6 |
| 95.5 | 3 | 0.3 | 0.6 | 0.6 |
| 95.3 | 3 | 0.3 | 0.8 | 0.6 |