USER GUIDE CBN Grades Grades & Applications for Hardened Steel New Composition Material Grade (% CBN) Features and Applications Wear Excellent surface finish. Super IB10H 53.5 Resistance fine grain. Continuous cut. Composed of both fine and medium IB20H 65 CBN grains. General-purpose grade for continuous to light interrupted machining. ISOTURN INSERTS Finishing on hardened steel ISO-H IB50 50 (45 - 65 HRc) and nodular cast UNCOATED iron. Continuous cutting. Semi-finishing on hardened steel (45 - 65 HRc) and nodular cast Hardened IB55 60 iron. Interrupted cutting. Steels Toughness Wear TiN coated grade very fine CBN grain. IB10HC 53.5 Resistance High speed continuous machining. Ti (C, N, O) coated CBN grade. IB25HC 75 High speed continuous to ISO-H interrupted machining. COATED Ti (C, N) coated CBN grade. High toughness. General purpose IB25HA 65 coated grade. Available with two Toughness types of chipbreakers (HF, HM). Grades & Applications for Cast Iron ISCAR New Composition Material Grade (% CBN) Features and Applications Wear Hardened steel and cast iron Resistance (>45 HRc). Grey cast iron and nodular cast irons. Powdered IB85 85 metal/sintered iron. Super alloys/ Cast heat resistant alloys. Sintered Iron & ISO-K tungsten carbide >17% Co. High Hard speed cutting of cast iron. Metal High speed cutting on cast iron, cutting cemented IB90 90 tungsten carbide, sintered Toughness metal and super alloy. Grades & Applications for High Temperature Alloys ISCAR New Composition Material Grade (% CBN) Features and Applications Wear IB05S Super fine grain CBN for 95 Resistance machining ferrous sintered metals. For machining valve seats, Exotic IB10S 95 ISO-S sintered metals and Ti alloys. Materials Cutting cemented tungsten IB90 90 carbide, sintered metal Toughness and super alloy. 205 205