1.5511 | 35B2 +QT (9.8)
| Numeric designation | 1.5511 |
|---|---|
| Chemical designation | 35B2 |
| State | +QT (9.8) |
| Etching | 3% Nital |
This heat-treated steel is used as a screw material, among other things.
The microstructures shown here are from strength class 9.8. The hardness is 331 HV 1. The fine epsilon carbides are clearly recognisable in the cubic martensite.
Fe-Base
Shipbuilding steel E40
1.7076 | 32CrB4 +QT (12.9)
1.7076 | 32CrB4 +Q
1.1221 | C60E +I Prior austenite grain boundaries
1.1274 | C100S +QW +T Prior austenite grain boundaries
1.1269 | C85S +QW +T Prior austenite grain boundaries
1.7076 | 32CrB4 +Q Prior austenite grain boundaries
1.1221 | C60E +QW +T Prior austenite grain boundaries
1.1191 | C45E +QW +T Prior austenite grain boundaries