ISO | Workpiece Material Group | Material Designation | Material Condition | Hardness | Cutting Speed Recommendations (Vc) |
S | 33 | High temp. alloys. Ni or Co based. | Annealed | 250 HB | 300-1000 m/min |
S | 34 | High temp. alloys. Ni or Co based. | Cured | 350 HB | 300-1000 m/min |
S | 35 | High temp. alloys. Ni or Co based. | Cast | 320 HB | 300-1000 m/min |