... Usage:forging,hardening,welding,annealing High Frequency Induction Heating Machine for forging round rod Customer trust productOutstanding Features ... , automatic, semi-automatic, and the lack of heat insulation of cold sub-time control functions.6, Automatic frequency ... Such as: brass, steel stretching, bending, smashing head; wire, heating wire nail; stainless steel annealed, rose type.7, rear axle ...