Batch hardening of Sandvik 12C27M knife steel
Temperature should be equalized at 850°C/1560°F for 30 minutes to avoid unnecessary temperature variations.
Batch furnace. 30 minutes in furnace.
Quench as rapidly as possible. For optimal results 600°C (1110°F) should be reached within 2 minutes or less.
|58 HRC||175°C (345°F)|
|56 HRC||225°C (435°F)|
|53 HRC||350°C (660°F)|