Powder-metallurgical high-speed steel with high Co and carbide content,
Very fine carbide distribution, homogenous microstructure within whole cross-section,
High hardness and wear resistance at elevated temperatures.
Machining tools with high thermal load, cutting and deep
drawing tools with excellent wear resistance.
Carbon |
Chromium |
Wolfram |
Molybdenum |
Vanadium |
Cobalt |
C |
Cr |
W |
Mo |
V |
Co |
2,30 |
4,20 |
6,50 |
7,00 |
6,50 |
10,50 |
Temperature |
Cooling |
Hardness |
|
Soft annealing |
870 – 900 °C |
Furnace |
340 HB |
Stress relief annealing |
600 – 650 °C |
Furnace |
|
Hardening |
1100 – 1190 °C |
oil, pressure gas (N2), air or hot bath 500 – 550°C |
|
Tempering |
500 – 600 °C |
3 Times |
62 – 68 HRC |
Hardness |
64 – 68 |
HRC |
Thermal Expansion Coefficient |
10,1 – 10,8 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
24,5 |
W/mK |
Density |
8 |
g/cm3 |
