Crankshafts of planes, tractors, trucks and cars; Connecting rods, gears, shafts subject to great stresses and parts that require good mechanical properties in large sections.
- ABTN | ASTM | SAE | AISI: 4340
- DIN | WNr: -
- Dureza de Utilização (HRc): 24 - 31
- Chemical composition:
C % | Mn % | Cr % | Mo % | Ni % | V % | OTHERS % |
0.40 | 0.70 | 0.80 | 0.25 | 1.80 | - | Si=0.25 |
