Very high heat resistant steels
| Material no. | Designation |
|---|---|
| 1.4913 | X19CrMoVNbN 11 1 VW |
| 1.4921 | X19CrMo 12 1 M |
| 1.4922 | X20CrMoV 12 1 |
| 1.4923 | X22CrMoV 12 1 V |
| 1.4926 | X21CrMoV 12 1 |
| 1.4961 | X8CrNiNb 16 13 |
| 1.4980 | X5NiCrTi 26 15 SD |
| 1.4981 | X8CrNiMoNb 16 16 O |
| 1.4986 | X8CrNiMoBNb 16 16 S |