High hardenability steel that achieves average hardness after treatment. Used in manufacturing larger parts of general use, requiring high hardness and/or mechanical strength, particularly for steel, mining and oil exploration industries.
- ABTN | ASTM | SAE | AISI: 4340
- DIN | WNr: -
- Chemical composition:
C % | Mn % | Cr % | Ni % | Mo % | OTHERS % |
0.40 | 0.70 | 0.80 | 1.80 | 0.25 | - |
