Precipitation-hardenable austenitic steel, with addition of nitrogen for increased high-temperature resistance. Suitable for exhaust valves used in heavy-duty engines working at temperatures up to 800°C.
- ABTN | ASTM | SAE | AISI: SE63008 e EV-8
- DIN | WNr: 1.4871
- Chemical composition:
C % | Mn % | Cr % | Ni % | Mo % | W % | V % | OTHERS % |
0.53 | 9.00 | 21.00 | 4.00 | - | - | - | N=0.42 |
