CP8E special tool steel is a cold work tool steel offered by our partner Dörrenberg Edelshtal, which is patented and has a high vanadium content. It provides good secondary hardenability and excellent toughness. CP8E material is also dimensionally stable. The steel possesses hardening properties down to the core and has excellent impact resistance.
Carbon |
Chromium |
Molybdenum |
Vanadium |
C |
Cr |
Mo |
V |
0.85 |
7.70 |
1.50 |
2.30 |
|
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 |
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