1.7220 | 34CrMo4 +QT
| Numeric designation | 1.7220 |
|---|---|
| Chemical designation | 34CrMo4 |
| State | QT |
| Etching | 3 % Nital |
Quench and temper steel used in automotive and aircraft construction for components of high toughness, e.g. crank shafts. Here in quenched and tempered condition, tensile strength approx. 1150 MPa.
