CRANK POSITION SENSOR WHEEL AND METHOD FOR MANUFACTURING THE SAME

摘要

According to one embodiment of the present invention, a crank position sensor wheel is separated into a core unit and a surface unit. The surface unit comprises: 0.02 wt% or less of carbon (C); and the remainder consisting of Fe and other unavoidable impurities. The core unit comprises: 0.05-0.20 wt% of carbon (C); and the remainder consisting of Fe and other unavoidable impurities.