QRO 90 SUPREME
EXCELLENT HIGH TEMPERATURE STRENGTH AND HOT HARDNESS
- Excellent high temperature strength and hot hardness
- Very good temper resistance
- Unique resistance to thermal fatigue
- Excellent thermal conductivity
- Good toughness and ductility in longitudinal and transverse directions
- Uniform machinability
- Good heat treatment properties
Chemical composition
C | 0.38 | Si | 0.30 | Mn | 0.80 |
Cr | 2.60 | Mo | 2.30 | V | 0.90 |