Materials for segments:
| Code | Material | Hardness |
|---|---|---|
| 00 | Nitrided steel | 900-1050 HV0,5 |
| 05 | Hardened stainless steel | 48-50 HRC |
| 71 | Tool steel | 58-60 HRC |
| EB | Nitrided stainless steel | 900-1050 HV |
| SN | Stainless tool steel | 58-60 HRC |
| SD | PM tool steel | 61-64 HRC |
| 15 | PM-HIP compound | 61-65 HRC |
| PH | PM-HIP compound | 64-66 HRC |
| PS | PM-HIP compound | 56-60 HRC |
| 25 | PM-HIP compound | 56-60 HRC |
| PP | PM-HIP compound | 62-65 HRC |
| XA | Stainless with hardfaced flights | 38-42 HRC |
| XQ | Stainless with hardfaced flights | 34-40 HRC |
