
Grade overview Indexable milling Coated cemented carbide CVD Grade ISO Micro structure Grade description A Turning CVD coated P20–P35 carbide grade for medium operation to roughing of steel at lower YBC301 P20 - P35 cutting speed. CVD coated P20–P35 carbide grade for medium operation to roughing of steel at higher YBC302 P20 - P35 cutting speed. Optimal performance of wear resistance and toughness for a wide application field. B Milling P30 - P50 CVD coated P30–P50/M30–M40 carbide grade for roughing operation of steel at lower YBC401 M30 - M40 cutting speed and unstable condition. YBM251 P20 - P30 CVD coated P20–P30/M15–M35 carbide grade for medium to roughing operation in stainless steel and steel with wide application field. Good wear resistance and capability C M15 - M35 against plastic deformation at normal cutting speed. Drilling CVD coated M15–M35 carbide grade for medium to roughing operation in stainless YBM253 M15 - M35 steel with wide application field. High wear resistance and capability against plasctic deformation at higher cutting speed. D P25 - P40 CVD coated P25–P40/M25–M40 carbide grade for roughing operation in stainless steel YBM351 M20 - M40 and steel. Good wear resistance and edge stability at normal cutting speed. Information Technical CVD coated K10–K25 carbide substrate. Optimized for medium to roughing operation of YBD152 K10 - K25 cast iron. Good wear resistance and toughness at higher cutting speed. E CVD coated K20–K35 carbide substrate. Optimized for medium to roughing operation of YBD252 K20 - K35 cast iron and Steel. Good wear resistance and toughness at higher cutting speed. Index B 21