Steel Q10
Q10 steel:
toughness, strength and thermical shock resistant
What?
Q10 is a Cr-Mo-V alloyed hot work tool steel with very good high temperature strength characteristics and maximum toughness.
This grade is also characterised by good thermal shock resistance.
Kenmerken
- Maximum toughness.
- Strength by high temperature.
- Thermical schock resistance.
Toepassing
- Extrusion presses with very long lifetime with heavy duty inner linings and press stems
- Drop forging
- Hot forming.
Physical properties of Q10
| Temperature in °C | 20-100 | 20-200 | 20-400 | 20-600 |
|---|---|---|---|---|
| Thermal expansion in 10-6m/m x K | 10.3 | 11.3 | 12.6 | 13.0 |
| Temperature in °C | 20 | 200 | 400 | |
| Thermal conductivity in W/m x K | 29.8 | 31.0 | 31.4 | |
| Temperature in °C | 20 | |||
| Density in g/cm3 | 7.8 | |||
| Temperature in °C | 20 | |||
| E module in GPa | 214 |
Heat treatment
| Soft annealing | Temperature: 820 – 840 °C, 4 – 6 hrs. |
|---|---|
| Cooling: soft furnace cooling | |
| Hardness: max. 220 HB | |
| Hardening | Temperature: 1010 – 1020 °C |
| Cooling Interrupt oil or polymer cooling at 230 – 280 °C or vacuum hardening | |
| Tempering | Temperature: 540 – 680 °C |
| Hardness: see tempering diagram | |
| Nitriding | Possible |
| Preheat before use | Temperature 150 – 350 °C depending on area of application |
Graphs and datasheets of Q10
Continue time-temperature-transformation
Tempering
High-temperature strength
