1.6522 | 20MnNiCrMo3-2 +QT
| Numeric designation | 1.6522 |
|---|---|
| Chemical designation | 20MnNiCrMo3-2 |
| State | +QT |
| Etching | 3% Nital |
The micrographs show the core structure of the case-hardened steel. It consists of martensite and bainite. Due to the alloying elements, this steel hardens further and achieves a higher core hardness (strength) than the classic 16MnCr5. The core hardness is 312 HV0.5 20 mm below the surface.
