Bainite isothermal quenching method

Bainite isothermal quenching method: The workpiece is quenched into a bath at the lower bainite temperature of the steel at an isothermal temperature, so that the lower bainite transformation occurs. Generally, it is kept in the bath for 30-60 minutes. CNC WeChat public number cncdar bainite isothermal quenching process has three main steps: ① austenitizing treatment; ② cooling treatment after austenitizing; and ductile iron castings.