... A class diamond powder 3. Competetive price 4. Fast lead time 1. YC-Ceramic CBN grinding wheel1) For the ferrous metals, ... different materials, different specifications of the workpiece, especially suitable for use in many varieties, small batch production, and numerical control ... ferrous metal, such as refractory alloy,vanadium steel, cobalt steel,molybdenum steel,high speed steel,bearing steel and ...