TurningMillingDrillingTechnicalInformationIndex Parting & grooving Grade overview Parting & grooving A Grade ISO Micro structure Grade description CVD coated P10–P20 carbide grade for finishing to medium operation of steel and casting YBC152 P10 - P20 steel. Outstanding performance under higher cutting speed and temperature with excellent wear resistance. B YBC251 P20 - P35 CVD coated P20–P35 carbide grade for medium operation to roughing of steel and castingsteel in lower cutting speed. YBC252 P20 - P35 CVD coated P20–P35 carbide grade for medium operation to roughing of steel and castingsteel. Optimal performance of wear resistance and toughness for a wide application field. C YBG102 S05 - S15 PVD coated S05–S15 carbide substrate for finishing to medium application of super alloymaterial, stainless steel and aluminum. Good wear resistance in a wide application field. 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. D YB9320 P10 - P30M10 - M25 PVD multilayer coated P10–P30/M10–M25 carbide substrate for finishing to mediumapplication of stainless steel, super alloy and steel (grooving/milling). Optimized coatingstability for higher wear resistance and thermal stability in a wide application fi YBG202 P10 - P30M10 - M25 PVD coated P10–P30/M10–M25 carbide substrate for finishing to medium application ofstainless steel and steel (milling). Good wear resistance in a wide application field. E P10 - P30 PVD multilayer coated P10–P30/M20–M40/S15–S25 carbide substrate for finishing to YBG205 M20 - M40 medium application of stainless steel, super alloy and steel (milling). Good wear resistance S15-S25 and thermal stability in a wide application field. A 346