... , bonding, brazing, welding, forging, melting and heat fitting solutions in many fields like medical device, auto parts, metalwork, Machinery&equipment Industry, electronics ... , Case Hardening, Toughening, Carbo Nitriding, Core Refining, Spherodizing, Annealing, Normalizing, Stress Relieving, etc. Heat treatment is used to fabricate tool parts, jigs ...