TURNING INSERTS TURNING INSERTS MICRO-GRAIN C EMENTED CARBIDE Compared to general cemented carbide, micro-grain alloy has higher wear resistance and higher toughness. A SELECTION STANDARD Cutting Tool Recommended Grade Work Material Turning InsertsMilling Inserts TF15Carbide Drills SteelCast Iron GRADE CHARACTERISTICS Grade Grade CharacteristicsHardness (HRA)T.R.S (Gpa)ISOWear Fracture CorrosionResistanceResistanceResistance TF15 91.0 4.0 K20 e u e * After HIP Note 1) Hardness shows representative value of the substrate. A044