CVD COATED ISOTURN INSERTS USER GUIDE ISCAR Turning Grades Chart Grade ISO Grade Description Coating Layers Coating Color* Uncoated K05-K20 A hard substrate with multilayer CVD coating. IC428 Recommended for machining gray and nodular cast iron at moderate to high cutting speeds. Al2O3 Tic H15-H25 Base P05-P15 A very hard substrate with MTCVD coating with a IC5005 K05-K15 special SUMOTEC surface treatment. Suitable formachining gray and nodular cast iron at high cuttingTiNAl2O3 speeds under stable conditions. TiCN H15-H25 Base A hard substrate with MTCVD coating with a special K10-K20 SUMOTEC surface treatment. Recommended for TiN IC5010 machining gray and nodular cast iron at moderate to high cutting speeds, provides very good resistance to Al2O3 chipping. TiCN Base M05-M25 A hard substrate with cobalt enriched outer layer and MTCVD coating and a special SUMOTEC surface TiN IC6015 treatment. Suitable for finishing and medium turning of stainless steel at high cutting speeds. Features long tool Al2O3 S10-S20 life and high wear resistance. TiCN Base A very tough substrate with MTCVD coating with a M15-M35 special SUMOTEC surface treatment. Recommended IC6025 for machining stainless steel at moderate cutting TiNspeeds and medium to high feeds. Features very highAl2O3 S20-S30 toughness with excellent results in heavy machining TiCN operations, unstable conditions, and interrupted cut. Base P10-P25 A hard substrate with a cobalt enriched layer, MTCVD M10-M20 coating with a special SUMOTEC surface treatment. K10-K25 Recommended for high speed machining of steels, alloy TiN IC8150 steels and martensitic stainless steel with moderate feeds under stable conditions. Features excellent Al2O3 thermal stability, resistance to wear and plastic TiCN deformation durability. Base P15-P35 A tough substrate with a cobalt enriched layer and M15-M25 MTCVD coating with a special SUMOTEC surface IC8250 treatment. Recommended for general use machining of TiNsteels, alloy steels and martensitic stainless steel in aAl2O3 wide range of conditions. Features high toughness and TiCN good wear resistance. Base P2O-P45 A very tough substrate with cobalt enriched layer and M20-M30 MTCVD coating and a special SUMOTEC surface treatment. Suitable for machining steels and alloy steels TiN IC8350 at low to medium cutting speeds and medium to high feeds. Features very high toughness with excellent Al2O3 results in heavy machining, unstable conditions, and TiCN interrupted cuts. Base * For coated grades 249