9CR06WMN die steel heat treatment specification
Quenching: Preheat to 550℃~650℃, then heat to 800~850℃ and NMen in oil.
Tempering: Heat to 150℃~200℃, stay at this temperature, and then quench in still air.
Hardness: HRC60℃ or above
Annealing: Heat to 750~800℃, stay at this temperature for one to three hours, and let it cool gradually in the furnace.
Chemical composition of 9CR06WMN hot work die steel (%):
C: 0.9-1.0; Mo: 0.1-0.2; Mn: 0.9-1.2; Cr: 0.5-1.0; Si: ≤0.35; W: 0.6-0.9
