... ; for hardening; for annealing; 70KW intermediate frequency induction heating welding brazing, hardening, quenching(1-20KHz) Main features 1 ... it reduces th cost when producing. Application of Induction heating equipment: Heating (hot forging, hot fitting and smelting) 1.Hot ... , kitchen and table ware, art ware, standard part, fastener, fabricated mechanical part, bronze lock, rivet, steel pin and pin ...