Precipitation-hardenable austenitic steel, suitable for exhaust valves used in heavy-duty engines working at temperatures up to 780°C.
- ABTN | ASTM | SAE | AISI: SE63012 e EV-12
- DIN | WNr: 1.4875
- Chemical composition:
C % | Mn % | Cr % | Ni % | Mo % | W % | V % | OTHERS % |
0.55 | 8.00 | 20.00 | 2.20 | - | - | - | N=0.30 |