16Mn steel pipe annealing time and temperature analysis General Mn steel annealing temperature between A3 and above 150-250'c, which is between 870-970'c, due to the relatively high hardness of Mn, cooling can be 2 minutes, One stage is slowly cooled to a temperature below A3, and the second stage is water-cooled or cooled to room temperature.
Information comes from
Spiral Reamer,Diamond Spiral Flute Reamer,Carbide Spiral Flute Reamer,Carbide Spiral Reamer
Supal(changzhou)Precision Tools Co.,Ltd , https://www.endmillpro.com