... . Can do hardening depth 1.5-3.0mm 50KW Ultrasonic Frequency Induction Heating Generator ModelSSF-50Rated Power Output40KWWorking Frequency10-30KHzPower Capacity50KVAInput Power380V ... as all kinds of gear wheel, chain wheel, kinds of axis, pin.3. Heat treatment pliers, spanner, screwdriver, drill, axeBrazing:1 ...