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USER GUIDE                                                            ISOTURN INSERTS

CBN Grades
Grades & Applications for Hardened Steel

                     Material         New     Composition  Features and Applications
                                      Grade   (% CBN)      Excellent surface finish. Super fine grain. Continuous cut.
                        Wear          IB10H   53.5         Composed of both fine and medium CBN grains.
                        Resistance            65           General-purpose grade for continuous to light interrupted machining.
                                      IB20H   50           Finishing on hardened steel (45-65 HRC) and
                                                           nodular cast iron. Continuous cutting.
   ISO-H                              IB50    60           Semi-finishing on hardened steel (45-65 HRC)
UNCOATED                                                   and nodular cast iron. Interrupted cutting.
                                              53.5
          Hardened   Toughness        IB55                 TiN coated grade very fine CBN grain.
          Steels                      IB10HC  75           High speed continuous machining.
                     Wear                                  Ti (C, N, O) coated CBN grade. High speed
                     Resistance               65           continuous to interrupted machining.

 ISO-H                                IB25HC               Ti (C, N) coated CBN grade. High toughness. General purpose
COATED                                                     coated grade. Available with two types of chipbreakers (HF, HM).

                                      IB25HA

                     Toughness

Grades & Applications for Cast Iron

                      Material        New     Composition  Features and Applications
                          Wear        Grade   (% CBN)
                          Resistance  IB85                 Hardened steel and cast iron
                                              85           (>45 HRC). Grey cast iron and nodular cast irons. Powdered
          Cast Iron &                 IB90                 metal/sintered iron. Super alloys/heat resistant alloys. Sintered
ISO-K     Hard Metal                                       tungsten carbide >17% Co. High speed cutting of cast iron.

                                              90           High speed cutting on cast iron, cutting cemented
                                                           tungsten carbide, sintered metal and super alloy.
                     Toughness

Grades & Applications for High Temperature Alloys

                     Material         New     Composition  Features and Applications
                                      Grade   (% CBN)      Super fine grain CBN for machining ferrous sintered metals.
                        Wear
                        Resistance    IB05S   95           For machining valve seats, sintered metals and Ti alloys.

ISO-S     Exotic                      IB10S   95           Cutting cemented tungsten carbide, sintered metal and super alloy.
          Materials

                     Toughness        IB90 90

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