USER GUIDE ISOTURN INSERTS Advanced Cutting Materials Grade ISO Grade Description Coating Layers Coating Color* Uncoated SiAlON based ceramic grade for high speed machining of cast iron. Used for roughing and finishing under K01-K10 both wet and dry conditions of automotive parts IS6 like brake drum, brake discs and more. Provides high productivity also in rough turning of mill rolls made of high-chromium steel and HSS. Base Reinforced SiAlON composite grade, features high hardness, suitable for machining high IS25 temperature alloys such as Inconel, Waspaloy S10-S20 and Rene under continuous conditions. Base Reinforced SiAlON composite grade, features CERAMICS high hardness with excellent toughness. Suitable IS35 for machining high temperature alloys such as Inconel, Waspaloy and Rene under continuous S15-S25 and light interrupted cutting conditions. Base A silicon nitride (Si3N4) ceramic grade, with CVD coating K01-K20 suitable for turning of grey and nodular cast iron at high IS80 cutting speeds in roughing and finishing operations. Features high wear resistance and good toughness. TiN Base Whisker reinforced ceramic grade for roughing and semi finishing operations of high temperature IW7 alloys such as Inconel and Waspaloy on high cutting speeds under stable conditions. Can be S20-S30 used also for hardened steels machining. H05-H25 Base * For coated grades 253