2023 HIGH-SPEED STEEL
- Soft-annealing 850°C – 900°C, slow
cooling 10°C/h to 700°C, hardness max
- Stress-relieving annealing 600°C – 700°C,
approx. 2 hours at temperature, slow cooling to 500°C.
- Hardening according to table.
Cooling to 40°C / 50°C.
- Tempering at 560°C 3 times for at least 1
hour each time. Cooling to room temperature (25°C) between