By Country:
By Standard:
By Microstructure:
| Category | Steel grade | Standard | Country | Application |
|---|---|---|---|---|
| Superalloys | NiCr20TiAl | ISO | International | Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines |
| Superalloys | NiCr20Ti | ISO | International | Nickel and nickel alloy forgings |