... such as crankshaft , connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, drive shaft, small shaft and ... of tubular electric heating element. Etc. Application of Induction Heating Equipment: A. Heating (hot forging, hot fitting and smelting): ... , such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive shaft, small ...