CP8E Material Tool Steel
CP8E Material
Cold work tool steel with high V-content, good secondary and through hardenability, good toughness, dimensionally stable.
Manufactured by Dörrenberg Edelstahl.
Area of Applications
Shear knives, cutting tools, straightening-, pressure- and profiling rolls with high toughness requirements.
Chemical Composition
Carbon |
Chromium |
Molybdenum |
Vanadium |
C |
Cr |
Mo |
V |
0.85 |
7.70 |
1.50 |
2.30 |
Heat Treatment
|
|
Temperature |
Cooling |
Hardness |
Soft annealing |
800 - 840 °C |
Furnace |
240 HB |
Stress relief annealing |
600 - 650°C |
Furnace |
|
Hardening |
1070 - 1090°C |
oil, pressure gas (N2), air or hot bath 500 - 550°C |
see tempering diagram |
