By Country:
By Standard:
By Microstructure:
| Category | Steel grade | Standard | Country | Application |
|---|---|---|---|---|
| Superalloys | NC20T, NiCr20Ti, N06075, 2.4951, NiCr20Ti | AFNOR | France | Nickel and nickel alloy forgings |
| Superalloys | NiCr20TiAI | AFNOR | France | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |