1.5511 | 35B2 +QT
| Numeric designation | 1.5511 |
|---|---|
| Chemical designation | 35B2 |
| State | +QT |
| Etching | PAG QT² und 3% Nital |
The micrographs show the tempered microstructure of the heat-resistant screw material 35B2.
The hardness is 308 HV 1.
Etched with:
- (a) Microstructure: 3% Nital 12 sec for the microstructure
- (b) former retained austenite grain boundaries: PAG QT² 3+3 min
- (c) Former retained austenite grain boundaries and fibre flow: PAG QT² 3+3+15 min
