Powder-metallurgical high-speed steel with high Cocontent, very fine carbide distribution,
homogenous microstructure within whole cross-section, good thermal stability, very good grindability
PMD 30
Description
APPLICATION AREAS
APPLICATION AREAS
Machining tools, milling cutters, thread cutting tools for tough machinable materials,
precision blanking tools, stamping or deep-drawing dies.
Technical Details
Technical Details
Chemical Composition
Carbon |
Chromium |
Wolfram |
Molybdenum |
Vanadium |
Cobalt |
C |
Cr |
W |
Mo |
V |
Co |
1,30 |
4,20 |
6,40 |
5,00 |
4,00 |
8,50 |
Condition of delivery: Soft annealed to max. 300 HB
Heat Treatment
Temperature |
Cooling |
Hardness |
|
Soft annealing |
870 – 900 °C |
Furnace |
260 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 |
60 – 68 HRC |
Mechanical Properties
Hardness |
62 – 66 |
HRC |
Physical Properties
Thermal Expansion Coefficient |
10,9 – 11,5 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
24,4 |
W/mK |
Density |
8 |
g/cm3 |
