Grooving & Parting TUNGALOY GROOVE ACCELERATED PARTING AND GROOVING S TA N D A R D CUTTING CONDITIONS Cutting speed Feed ISO Workpiece material Hardness Priority Vc (m/min) f (mm/rev) Steels S45C, C45, < 300 HB First choice 50 - 180 0.02 - 0.08 SCM435, 34CrMo4, etc. Stainless steelSUS303, X10CrNiS18-9, etc.< 200 HB First choice 50 - 120 0.02 - 0.08 Titanium alloysTi-6Al-4V, etc.< HRC 40 First choice 20 - 80 0.02 - 0.08 Tungaloy 23