Precipitation-hardenable nitrogenous austenitic nickel-chromium-manganese steel, with Nb and W added for increased mechanical strength at high temperatures. Suitable for exhaust valves used in extra heavy duty engines.
- ABTN | ASTM | SAE | AISI: S63019 e XEV-F
- DIN | WNr: 1.4882
- Chemical composition:
C % | Mn % | Cr % | Ni % | Mo % | W % | V % | OTHERS % |
0.50 | 9.00 | 21.00 | 4.25 | - | 1.15 | - | Nb=2.15 |