... hardening; for annealing; IGBT Intermediate frequency induction hot forging machine (5-20Khz) Main features 1.Adopt IGBT technology, with ... , so it reduces th cost when producing.induction welding machine Application of Induction heating equipment: Heating (hot forging, ... stainless steel basin, annealed and extruded can, annealed folded edge, annealed sink, stainless steel tube, tableware and cup. ...