USER GUIDE MATERIALS AND GRADES ISCAR Hole Making Grades Chart Grade ISO Grade Description Coating Layers *Coating Color P25-P40 M30-M40 A tough substrate with PVD coating, suitable for wide range of applications on steel and stainless steel at low to medium speeds IC328 and medium to high feeds. The grade is recommended for S20-S30 interrupted cuts and machining under unstable conditions. TiCN Base P20-P40 M20-M30 A broad-spectrum grade with a tough-submicron fine grain substrate and PVD coating. Designed for machining main types K20-K30 IC508 of engineering materials at various cutting speeds. Features N10-N30 TiN excellent notch wear and built-up edge resistance. Suitable for S10-S25 interrupted cutting and machining under unfavorable conditions. TiCN H20-H30 Base M10-M20 A hard substrate PVD coated grade. Intended mainly for IC520 machining austenitic stainless steel, high-temperature alloys and N10-N15 TiN Titanium. S10-S20 TiCN Base P10-P20 M10-M20 A hard submicron fine grain substrate, PVD coated grade K10-K25 IC806 followed by a SUMOTEC surface treatment. Applied mainly to TiAIN machining heat- resistant superalloys at moderate cutting speeds. AlTiN Base P15-P30 PVD COATED M20-M30 A tough, submicron fine grain size substrate with excellent K20-K30 chipping resistance, combined with a SUMOTEC PVD coating. IC808 Provides high wear resistance. Recommended for a very wide TiN S10-S25 range of materials. TiAIN H20-H30 Base P15-P30 M20-M30 A tough, submicron fine grain size substrate with PVD coating. K15-K25 IC808G Features high resistance to chipping and abrasive wear. Designed TiN for machining a wide variety of engineering materials. S10-S25 TiAlN H10-H20 Base P20-P40 A tough substrate with PVD coating and a special SUMOTEC M25-M35 surface treatment. Suitable for machining steel and stainless steel at low to medium cutting speeds and moderate to high feeds. IC830 The grade features high toughness and recommended for TiN S15-S30 interrupted cuts and machining under unstable conditions. May TiAlN be used on high temperature alloys at low cutting speeds. Base P10-P20 M15-M25 Ultra-fine grain size, PVD coated. High wear resistance and K10-K20 IC903 toughness. High speed, medium feed. Used for up to 62 HRC hardened steel, Titanium, nickel-based alloys and stainless steel. S10-S20 AlTiN H10-H20 Base P10-P20 A hard submicron grain size substrate with a PVD coating, M05-M15 suitable for a wide range of a materials such as steels, alloy K15-K30 steels, hard steels, austenitic stainless steel and heat resistant IC907 alloys at moderate to relatively high cutting speeds under stable S10-S20 conditions. Features high wear resistance and plastic deformation TiAlN H05-H15 durability. Base * For coated grades 490 ISCAR