TurningMillingDrillingTechnicalInformationIndex Grade overview General turning Coated cemented carbide CVD A Grade ISO Micro structure Grade description YBD052 K05 - K15 CVD coated K05–K15 carbide grade for cast iron material, special grey cast iron. Excellentwear resistance in higher cutting speed and dry machining. YBD102 K05 - K20 CVD coated K05–K20 carbide substrate. Optimized for medium operation of cast iron,special nodular cast iron and hard steel at high cutting speed.B YB7315 K10 - K25 CVD coated K10–K25 carbide substrate. Optimized for medium to roughing operation ofcast iron. Improved wear resistance and toughness at high cutting speed. C YBD152 K10 - K25 CVD coated K10–K25 carbide substrate. Optimized for medium to roughing operation ofcast iron. Good wear resistance and toughness at higher cutting speed. Thick Al2O3 CVD coated K05–K25 carbide substrate. Optimized for medium to roughing YBD152C K10 - K25 operation of cast iron. Higher wear resistance and toughness at higher cutting speed in combination with TC chip breaker. D Coated cemented carbide PVD Grade ISO Micro structure Grade description PVD coated S05–S15 carbide substrate for finishing to medium application of super alloy YBG102 S05 - S15 material, stainless steel and aluminum. Good wear resistance in a wide application field. E PVD multilayer coated S05–S20 carbide substrate for finishing to medium application of YBG105 S05 - S20 super alloy material but also stainless steel. Good wear resistance and thermal stability in a wide application field. A 33