PARTING PVD COATED USER GUIDE ISCAR Parting Grades Chart Grade ISO Grade Description Coating Layers Coating Color* P15-P30 A tough submicron grain size substrate with PVD coating. IC308 Suitable for steel, alloy steels and stainless steel at low to medium cutting speeds under stable conditions. S15-S30 TiCN Base P30-P45 M25-M40 A tough substrate with PVD coating, suitable for a wide range of applications on steels and stainless steel at low to medium speeds IC328 and medium to high feeds. The grade is recommended for interrupted cuts and machining under unstable conditions. TiCN Base P20-P40 M20-M30 A tough substrate with PVD coating, suitable for general use on IC354 a wide range of carbon steels, alloy steels and stainless steel at moderate speeds and feeds. TiCN Base P10-P20 A hard submicron grain size substrate with PVD coating and a M05-M15 special SUMOTEC surface treatment. Suitable for machining IC807 K15-K30 steels, alloy steels, austenitic stainless steel, high temperature alloys and hard steels at moderate to relatively high cutting TiN S10-S20 speeds under stable conditions. Features high wear resistance TiAlN H05-H15 and plastic deformation durability. Base P15-P30 A tough submicron grain size substrate with PVD coating and a M20-M30 special SUMOTEC surface treatment. Recommended for general IC808 K20-K40 use for a large variety of applications and materials such as steels, alloy steels, austenitic stainless steel and high temperature TiN S15-S30 alloys at moderate cutting speeds and feeds. Features high wear TiAlN H20-H30 resistance and chipping durability. Base P30-P45 A tough substrate with PVD coating and a special SUMOTEC M25-M40 surface treatment. Suitable for machining steel and stainless IC830 steel at low to medium cutting speeds and moderate to high feeds. The grade features high toughness and recommended for TiN interrupted cuts and machining under unstable conditions. May TiAlN be used on high temperature alloys at low cutting speeds. Base P10-P20 A hard submicron grain size substrate with PVD coating, suitable M05-M15 for a wide range of materials such as steels, IC907 K15-K30 alloy steels, hard steels, austenitic stainless steel and heat resistant alloys at moderate to relatively high cutting speeds under S10-S20 stable conditions. Features high wear resistance and plastic TiAlN H05-H15 deformation durability. Base P15-P30 M20-M30 A tough submicron grain size substrate with PVD coating, IC908 K20-K40 recommended general use in a large variety of operations andmaterials such as steels, alloy steels, austenitic stainless steel and high temperature alloys at moderate cutting speeds. S15-S30 Features high wear resistance and chipping durability. TiAlN H20-H30 Base P30-P45 M25-M40 A tough substrate with PVD coating, suitable for machining steel IC928 and stainless steel at low to medium cutting speeds and moderate to high feeds. The grade is recommended for interrupted cut and machining at unstable conditions. AlTiCrN Base * For coated grades 546 ISCAR