| ISO | Materials | Material Designation | Material Condition | Cutting Speed Recommendations (Vc) |
| S | 31 | High temp. alloys Fe based. | Annealed :200 | 20-80 m/min |
| S | 32 | High temp. alloys Fe based. | Cured :280 | 20-80 m/min |
| S | 33 | High temp. alloys. Ni or Co based. | Annealed :250 | 20-80 m/min |
| S | 34 | High temp. alloys. Ni or Co based. | Cured :350 | 20-80 m/min |
| S | 35 | High temp. alloys. Ni or Co based. | Castr :320 | 20-80 m/min |
| S | 36 | Titanium Ti alloys. | :310 | 20-80 m/min |
| S | 37 | Titanium Ti alloys. | Alpha+beta alloys cu :310 | 20-80 m/min |
| H | 38 | Hardened steel. | Hardened :560 | 10-30 m/min |
| H | 39 | Hardened steel. | Hardened :654 | 10-30 m/min |
| H | 40 | Chilled cast iron. | Cast :400 | 10-30 m/min |
| H | 41 | Cast iron. | Hardened :560 | 10-30 m/min |