GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex A S TA N D A R D CUTTING CONDITIONSInternalturning B Grade ISO Workpiece material First Choice CuttingFor surfacefinishFor wearresistancespeedVc (m/min)(High speed)Depth ofcutap (mm)Feedf (mm/rev)AH725--50 - 1800.3 - 20.08 - 0.3C Low carbon steel - - AH8015 50 - 200 0.3 - 2 0.08 - 0.3 SS400, S25C, etc. E275A, C25, etc. - NS9530 - 80 - 250 0.3 - 2 0.08 - 0.3 Carbon steel -AH725- GT9530-- --AH8015 80 - 300 0.3 - 2 0.08 - 0.350 - 1800.3 - 20.08 - 0.350 - 2000.3 - 20.08 - 0.3D S45C, S55C, etc. C45, C55, etc. - NS9530 - 80 - 250 0.3 - 2 0.08 - 0.3 - GT9530 - 80 - 300 0.3 - 2 0.08 - 0.3 Low alloy steelSCM415, etc. AH725- -- -AH8015 50 - 180 0.3 - 2 0.08 - 0.350 - 2000.3 - 20.08 - 0.3E 18CrMo4, etc. - NS9530 - 80 - 250 0.3 - 2 0.08 - 0.3 - GT9530 - 80 - 300 0.3 - 2 0.08 - 0.3 Alloy steelSCM440, SCr420, etc.42CrMo4, 20Cr4, etc.AH725----NS9530 -AH8015- 50 - 180 0.3 - 2 0.08 - 0.350 - 2000.3 - 20.08 - 0.380 - 2500.3 - 20.08 - 0.3F - GT9530 - 80 - 300 0.3 - 2 0.08 - 0.3 Stainless steel (Austenitic) SUS304, SUS316, etc. AH8015 - - 50 - 150 0.3 - 2 0.08 - 0.3 X5CrNi18-9, X5CrNiMo17-12-3, etc.Stainless steel (Martensitic and ferritic)SUS430, SUS416, etc.AH8015-X6Cr17, X20Cr13, etc.-50 - 1500.3 - 20.08 - 0.3 G Stainless steel (Precipitation hardening) SUS630, etc. AH8015 - - 50 - 150 0.3 - 2 0.08 - 0.3 X5CrNiCuNb16-4, etc. Grey cast ironFC250, etc. AH725- -- -AH8015 50 - 180 0.3 - 2 0.08 - 0.350 - 2000.3 - 20.08 - 0.3H 250, etc. - NS9530 - 80 - 250 0.3 - 2 0.08 - 0.3 - GT9530 - 80 - 300 0.3 - 2 0.08 - 0.3 Ductile cast ironFCD700, etc.600-3, etc.AH725-- - - 50 - 180 0.3 - 2 0.08 - 0.3-AH801550 - 2000.3 - 20.08 - 0.3NS9530-80 - 2500.3 - 20.08 - 0.3I - GT9530 - 80 - 300 0.3 - 2 0.08 - 0.3 Non ferrous MetalAluminum alloy, etc.Non ferrous MetalCopper Alloy, etc.KS05F-- 100 - 300 0.3 - 2 0.08 - 0.3KS05F--100 - 3000.3 - 20.08 - 0.3J Heat-resistant alloysTitanium alloys, etc.AH8015 - - 20 - 80 0.3 - 2 0.08 - 0.3 Heat-resistant alloys(Nickel-base alloys)AH8015 - - 20 - 80 0.3 - 2 0.08 - 0.3 K L M Reference pages: A/E-SWLXR/L → D028, A/E-SDXXR/L → D035 A/E-SDZXR/L → D085 Tungaloy D095