ASP 2023 HIGH-SPEED STEEL


 
 
HEAT TREATMENT
  
 

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