EU 90
EU 90 (Steels for exhaust valves of internal combustion engines; quality specifications)· EU (European Union) · 7 materials
| Designation | Material group | |
|---|---|---|
| X 12 CrCoNiMoWNb 21 20 20 | Stainless steels | chevron_right |
| X 40 CrSiMo 10 | Stainless steels | chevron_right |
| X 42 CrNiW 14 14 | Stainless steels | chevron_right |
| X 45 CrNiW 18 9 | Stainless steels | chevron_right |
| X 45 CrSi 8 | Structural and constructional steels | chevron_right |
| X 53 CrMnNiNS 21 9 | Stainless steels | chevron_right |
| X 80 CrSiNi 20 | Stainless steels | chevron_right |