Insert Selection Depth of Cut (mm) (vc)Cutting Speed Depth of Cut (mm) Stainless Steel Turning Insert Selection Guide Chipbreakers Negative Type Positive Type 6,0 – NEG NEM 4,0 – NMU NEM (NMU) NEX NMU 3,0 – NMU NSU 4,0 – NGU 2,0 – NLU NEX NLB 2,0 – ( ) NGU NEG NEF NSU NSU 1,0 – NLB (NEF) NSU 0 l l l00,20,40,6 0 NLU l l00,20,4 Feed Rate(mm/rev) Feed Rate(mm/rev) Grades (m/min) 200 High Speed, High Efficiency Cutting 150 New AC6020M Wide Cutting Range 100 Small Product AC6030M Heavy Interrupted Cutting MachiningNew AC1030U AC6040MAC630M 50 AC530U Finishing Roughing Continuous Cutting General Cutting Interrupted Cutting Recommended Cutting Conditions (Min. - Optimum - Max.) Work Material CuttingRange Chipbreaker Cutting ConditionsGradeDepth of CutFeed RateCutting Speed ap (mm) f (mm/rev) vc (m/min) FerriticMaterialsCr- X6CrAl 13, X8CrNiS 18 9, Finishing NEF (NSU) AC6020M 0,5-1,5-2,0 0,05-0,15-0,25 170-230-300X29CrS 13, X6CrMoS 17,MediumNEG · NEX · NGUAC6030M1,0-2,5-4,00,10-0,25-0,40140-170-250X12CrS 13RoughingNEMAC6040M1,5-3,5-6,00,20-0,35-0,60140-170-200 Based X12Cr 13, X20Cr 13, Finishing NEF (NSU) AC6020M 0,5-1,5-2,0 0,05-0,15-0,25 120-180-240 MartensiticMaterials X30Cr 13, X6Cr 17,X19CrNi 17 2,Medium NEG · NEX · NGU AC6030M 1,0-2,5-4,0 0,10-0,25-0,40 100-150-200 X6CrNi 18 9 Roughing NEM AC6040M 1,5-3,5-6,0 0,20-0,35-0,60 80-130-180 AusteniticMaterials X5CrNi 18 10, X2CrNi 19 11, Finishing NEF (NSU) AC6020M 0,5-1,5-2,0 0,05-0,15-0,25 120-180-240X2CrNiMo 18 10, X4CrNiMo 17 12 2,X2CrNiMo 17 12 2, X5CrNiMo 17 13,MediumNEG · NEX · NGUAC6030M1,0-2,5-4,00,10-0,25-0,40100- 150-200 X6CrNiTi 18 10, X70CrMo 15 Roughing NEM AC6040M 1,5-3,5-6,0 0,20-0,35-0,60 80- 130-180 Two-PhaseCr/Ni-(Austenite /BasedFerrite)X5CrNi 17 7, X2CrNi 18 9, Finishing NEF (NSU) AC6030M 0,5-1,5-2,0 0,05-0,15-0,25 100-145-180X6CrNi 25 20,X2CrNiMoN 17 12 2,MediumNEG · NEX · NGUAC6030M1,0-2,5-4,00,10-0,25-0,4080- 120-160 Materials X6CrNiNb 18 10 Roughing NEM AC6040M 1,5-3,5-6,0 0,20-0,35-0,60 70- 100-140 X5CrNiCuNb 16 4, X7CrNiAl 17 7,PrecipitationX4CrNuMo 27 5 2,HardeningX2CrNiMoN 22 5 3,X2CrNiMoCuN 25 6 3FinishingMediumRoughingNEF (NSU)AC6030MNEG · NEX · NGUAC6030MNEMAC6040M0,5-1,5-2,01,0-2,5-4,01,5-3,5-6,00,05-0,15-0,250,10-0,25-0,400,20-0,35-0,6090-115-14070-90-11050-80-120 A8