1.7225 | 42CrMo4 laser hardened (+Q), former austenite grain boundaries
| Numeric designation | 1.7225 |
|---|---|
| Chemical designation | 42CrMo4 |
| State | laser hardened (+Q), former austenite grain boundaries |
| Etching | PAG QT² |
Etching on former austenite grain boundaries with the etchant “PAG QT²”. Images 1-3 show the laser-hardened rim zone. Pictures 4-7 show the former austenite grain boundaries in the core.
Fe-Base
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
1.7220 | 34CrMo4 +Q Prior austenite grain boundaries
1.7220 | 34CrMo4 +QT (12.9) Prior austenite grain boundaries
1.7076 | 32CrB4 +QT (12.9) Prior austenite grain boundaries
1.5511 | 35B2 +QT (9.8) Prior austenite grain boundaries