| Sample | Roughness-Ra (µm) | Microhardness HV0.5 |
| ER308LSi 1 | 0.86 | 386 |
| ER308LSi 2 | 0.96 | 404 |
| ER308LSi 3 | 0.85 | 342 |
| WC-17Co | 3.12 | 1042 |
| Cr3C2-25NiCr | 5.44 | 692 |