Powder-metallurgical high-speed steel, fine distributed carbide structure,
homogenous microstructure within whole cross-section, high bending and compressive strength,
very good grindability
PMD 23
Description
APPLICATION AREAS
APPLICATION AREAS
Machining tools like milling cutters, drills or broaches,
cold-work tools for cutting, stamping or deep-drawing dies.
Technical Details
Technical Details
Chemical Composition
Carbon |
Chromium |
Wolfram |
Molybdenum |
Vanadium |
C |
Cr |
W |
Mo |
V |
1,30 |
4,20 |
6,40 |
5,00 |
3,10 |
Condition of delivery: Soft annealed to max. 260 HB
Heat Treatment
Temperature |
Cooling |
Hardness |
|
Soft Annealing |
870 – 900 °C |
Furnace |
260 HB |
Stress Relief Annealing |
600 – 650 °C |
Furnace |
|
Hardening |
1050 – 1180 °C |
oil, pressure gas (N2), air or hot bath 500 – 550°C |
|
Tempering |
500 – 600 °C |
3 Times |
56,5 – 66 HRC |
Mechanical Properties
Hardness |
60 – 64 |
HRC |
Physical Properties
Thermal Expansion Coefficient |
11,1 – 12,1 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
24,6 |
W/mK |
Density |
8 |
g/cm3 |
