| ISO | Materials | Material Designation | Material Condition | Cutting Speed Recommendations (Vc) |
| K | 15 | Grey cast iron (GG) | Pearlitic/ferritic :180 | 200-400 m/min |
| K | 16 | Grey cast iron (GG) | Pearlitic/martensiti :260 | 150-350 m/min |
| K | 19 | Malleable cast iron. | Ferritic :130 | 350-500 m/min |
| K | 20 | Malleable cast iron. | Pearlitic :230 | 150-400 m/min |
| S | 31 | High temp. alloys Fe based. | Annealed :200 | 80-200 m/min |
| S | 32 | High temp. alloys Fe based. | Cured :280 | 80-200 m/min |
| S | 33 | High temp. alloys. Ni or Co based. | Annealed :250 | 80-200 m/min |
| S | 34 | High temp. alloys. Ni or Co based. | Cured :350 | 80-200 m/min |
| S | 35 | High temp. alloys. Ni or Co based. | Castr :320 | 80-200 m/min |
| H | 38 | Hardened steel. | Hardened :560 | 90-250 m/min |
| H | 39 | Hardened steel. | Hardened :654 | 90-250 m/min |
| H | 40 | Chilled cast iron. | Cast :400 | 90-250 m/min |
| H | 41 | Cast iron. | Hardened :560 | 90-250 m/min |