Why heat treatment??, Types of heat treatment, Annealing, Normalizing, Hardening, Tempering, Austempering, Martempering, Case hardening, Critical holding temperatures for different heat treatments, Furnace cooling (annealing process), Air cooling (normalizing), Oil quenching, Water quenching, Spheroidization annealing, Stress relief annealing, Recrystallization annealing
