CBN Grades

Grades & Applications for Hardened Steel

MaterialNew GradeComposition (% CBN)Features and Applications
Wear ResistanceIB10H53.5Excellent surface finish. Super fine grain. Continuous cut.
IB20H65Composed of both fine and medium CBNgrains. General-purpose grade for continuous to light interrupted machining.
ISO-H UNCOATEDIB5050Finishing on hardened steel (45 - 65 HRc) and nodular cast iron. Continuous cutting.
Hardened SteelsToughnessIB5560Semi-finishing on hardened steel (45 - 65 HRc) and nodular cast iron. Interrupted cutting.
Wear ResistanceIB10HC53.5TiN coated grade very fineCBNgrain. High speed continuous machining.
ISO-H COATEDIB25HC75Ti (C, N, O) coatedCBNgrade. High speed continuous to interrupted machining.
ToughnessIB25HA65Ti (C, N) coatedCBNgrade. High toughness. General purpose coated grade. Available with two types of chipbreakers (HF, HM).

Grades & Applications for Cast Iron

MaterialISCAR New GradeComposition (% CBN)Features and Applications
ISO-KCast Iron & Hard MtlWear ResistanceIB8585Hardened steel and cast iron (>45 HRc). Grey cast iron and nodular cast irons. Powdered metal/sintered iron. Super alloys/ heat resistant alloys. Sintered tungsten carbide >17% Co. High speed cutting of cast iron.
eaToughnessIB9090High speed cutting on cast iron, cutting cemented tungsten carbide, sintered metal and super alloy.

Grades & Applications for High Temperature Alloys

MaterialISCAR New GradeComposition (% CBN)Features and Applications
Wear ResistanceIB05S95Super fine grainCBNfor machining ferrous sintered metals.
ISO-S Exotic MaterialsIB10S95For machining valve seats, sintered metals and Ti alloys.
ToughnessIB9090Cutting cemented tungsten carbide, sintered metal and super alloy.