PMD 52 Powder Metallurgical Steel
PMD 52
Powder-metallurgical high-speed steel with high W- and Co-content, very fine carbide distribution, high hardness and wear resistance at elevated temperatures (increased compared to PMD30), homogenous microstructure within whole cross-section, very good grindability.
Manufactured by Dörrenberg Edelstahl.
Area of Application
Machining tools, milling cutters, thread cutting tools for tough machinable materials (high-strength steel or nonmetallic material), precision blanking tools, stamping or deep-drawing dies.
Chemical Composition
Carbon |
Chromium |
Wolfram |
Molybdenum |
Vanadium |
Cobalt |
C |
Cr |
W |
Mo |
V |
Co |
1,60 |
4,80 |
10,00 |
2,30 |
5,10 |
7,90 |
Condition of delivery: Soft annealed to max. 300 HB
Heat Treatment
|
|
Temperature |
Cooling |
Hardness |
Soft Annealing |
800 - 840 °C |
Furnace |
300 HB |
Stress Relief Annealing |
600 - 650 °C |
Furnace |
|
Hardening |
1100 - 1240 °C |
oil, pressure gas (N2), air or hot bath 500 - 550°C |
|
Tempering |
540 - 600 °C |
3 Times |
60 - 68 HRC |
Mechanical Properties
Hardness |
62 - 66 |
HRC |
Physical Properties
Thermal Expansion Coefficient |
10,0 - 11,6 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
24,0 |
W/mK |
Density |
8 |
g/cm3 |
Private Information
Delivery is made in Turkey stocks. We also offer our German stocks to our customers simultaneously. We have a weekly ring service between Turkey Sağlam Metal and Germany Dörrenberg Edesltahl.
