... brazing, forging, casting, tempering, heating and ect. Application of handheld induction heater:A. Heating (hot forging, hot fitting and smelting ... (tooth paste peel), motor rotor and sealing of tubular electric heating element.3. Smelting mainly aims to melt the ... welding of stainless steel flat base, aluminum sheet and tubular electric heating elements of various forms. D. Annealing (tempering and ...