PVD COATED MATERIALS AND GRADES USER GUIDE ISCAR Milling Grades Chart Grade ISO Grade Description Coating Layers Coating Color* M25-M40 A grade with a tough substrate, a with PVD coating and a special IC882 surface treatment. Designed for machining austenitic stainless TiSiNsteel, Titanium and high temperature alloys, particularly underTiAlSiN S20-S30 hard cutting conditions. AlTiN Base P15-P30 M20-M30 A tough submicron grain size with a PVD coating coated grade. IC900 K20-K30 Suitable for medium to high cutting speeds. Designed formachining various materials like steel, stainless steel, Titanium, S10-S25 and heat resistant alloys. AlTiN H20-H30 Base P05-P15 M10-M15 IC902 K05-K15 Ultra-fine carbide grain, PVD coated with high resistance toabrasive wear, suitable for machining various materials including hard steel and cast iron, at high cutting speeds. S05-S10 AlTiN H05-H15 Base P10-P20 M15-M25 Ultra-fine carbide grain, PVD coated with high wear resistance IC903 K10-K20 and toughness. High speed, medium feed. Used for up to 62HRC hardened steel, Titanium, nickel-based alloys and stainless S10-S20 steel. AlTiN H10-H20 Base P10-P20 M05-M15 A hard submicron grain size substrate with PVD coating suitable K15-K30 for a wide range of materials such as steels, alloy steels, and IC907 hard steels, austenitic stainless steel and heat resistant alloys at moderate to relatively high cutting speeds at stable conditions. S10-S20 Features high wear resistance and plastic deformation durability. TiAlN H05-H15 Base P15-P30 M20-M30 A tough submicron grain size substrate with PVD coating, IC908 K20-K30 recommended for 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. S10-S25 Features high wear resistance and chipping durability. TiAlN H20-H30 Base P15-P30 K15-K35 IC910 A PVD coated grade. First choice for milling gray and nodular castiron at medium to high cutting speeds. AlTiN Base P20-P40 M25-M35 A tough substrate with PVD coating, suitable for machining IC928 steel and stainless steel at low to medium cutting speedsand moderate to high feeds. The grade is recommended for S15-S30 interrupted cuts and machining under unstable conditions. AlTiN Base * For coated grades 723