ISO 683-15
ISO 683-15 (Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines)· ISO (International) · 13 materials
| Designation | Material group | |
|---|---|---|
| NiCr 15 Fe 7 TiAl | Nickel | chevron_right |
| NiCr15Fe7Ti2Al | Nickel | chevron_right |
| NiCr20TiAl | Nickel | chevron_right |
| NiFe 25 Cr 20 NbTi | Nickel | chevron_right |
| NW7750 | Nickel | chevron_right |
| X 33 CrNiMnN 23 8 | Stainless steels | chevron_right |
| X 45 CrSi 9 3 | Structural and constructional steels | chevron_right |
| X 50 CrMnNiNbN 21 9 | Stainless steels | chevron_right |
| X 50 CrSi 8 2 | Structural and constructional steels | chevron_right |
| X 53 CrMnNiN 21 9 | Stainless steels | chevron_right |
| X 53 CrMnNiNbN 21 9 | Stainless steels | chevron_right |
| X 55 CrMnNiN 20 8 | Stainless steels | chevron_right |
| X 85 CrMoV 18 2 | Stainless steels | chevron_right |