... cycle100%Cooling water temperature< 50°CApplicationStandard parts, gear shafts, heat treatment of steel bars Main feature 1.light weight, ... size of induction coil can be changed easily to heat different parts.6.multi-display functions, with displays of ... frequency welding.3, metal quenching, annealing, quenching, tempering and heat treatment.4, metal forging, hot forming.5, powder metallurgy sintering ...