| No. | Processes | Time (hours) |
| 11 | Crucible load with UF4-Mg | 2.35 |
| 12 | UF4 reduction to metallic uranium | 7.28 |
| 13 | Crucible disassembly and density measurement | 0.84 |
| 14 | Stripping of metallic uranium | 0.56 |
| 15 | Crucible load with metallic uranium and Si | 1.18 |
| 16 | Melting of the intermetallic alloy U3Si2 | 8.20 |
| 17 | Density measurement of the U3Si2 ingot | 0.34 |
| TOTAL | 20.75 |