... audio induction silver melting furnace, IGBT design, used for tool welding, silver melting and steel annealing. Silver melting furnace 1.Technical parameters: ... 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 ...