... hardening depth 1.5-3.0mm 50KW Ultrasonic Frequency Induction Heating Generator ModelSSF-80Rated Power Output80KWWorking Frequency10-30KHzPower ... gear wheel, chain wheel, kinds of axis, pin.3. Heat treatment pliers, spanner, screwdriver, drill, axeBrazing:1.Diamond ... Mould mining tool, such as bore bit, coal puncheon4. Induction brazing of copper/ sliver/ tin pf automobileForging:Hot forging ...