70KVA Induction heat treatment furnace, IGBT design,used for gear hardening, standard parts heating, induction heat treatment. Induction heat treatment furnace1. ... size of induction coil can be changed easily to heat different parts.6.multi-display functions, with displays ... welding.3, metal quenching, annealing, quenching, tempering and heat treatment.4, metal forging, hot forming.5, powder metallurgy ...