... degreeInput power3kw-30kw Applications 1,Avariety of steam, Motorcycle high-frequency hardening heat treatment, such as: crankshaft, connecting rod, ... a variety of rocker, rocker shaft, high-frequency hardening heat treatment.2,The hardware high-frequency hardening heat treatment, such as pliers, ... and other heat treatment. See how inductor work: high frequency induction electric furnace for forging