| ISO | Material | Material Designation | Material Condition | Hardness | Cutting Speed Recommendations (Vc) |
| M | 14 | Stainless steel and cast steel | Austenitic, duplex | 180 HB | 90-270 m/min |
| K | 15 | Grey cast iron (GG) | Pearlitic/ferritic | 180 HB | 30-130 m/min |
| K | 16 | Grey cast iron (GG) | Pearlitic/martensitic | 260 HB | 30-130 m/min |
| K | 17 | Nodular cast iron (GGG) | Ferritic | 160 HB | 30-130 m/min |
| K | 18 | Nodular cast iron (GGG) | Pearlitic | 250 HB | 30-130 m/min |
| K | 19 | Malleable cast iron | Ferritic | 130 HB | 30-130 m/min |
| K | 20 | Malleable cast iron | Pearlitic | 230 HB | 30-130 m/min |
| S | 31 | High temp. alloys Fe based | Annealed | 200 HB | 50-70 m/min |
| S | 32 | High temp. alloys Fe based | Hardened | 280 HB | 40-60 m/min |
| S | 33 | High temp. alloys Ni or Co based | Annealed | 250 HB | 50-80 m/min |
| S | 34 | High temp. alloys. Ni or Co based | Hardened | 350 HB | 30-40 m/min |
| S | 35 | High temp. alloys. Ni or Co based | Cast | 320 HB | 30-40 m/min |
| S | 36 | Titanium (pure) | Pure | 190 HB | 90-160 m/min |
| S | 37 | Titanium alloys | Alpha+beta alloys, hardened | 310 HB | 50-50 m/min |
| H | 38 | Hardened steel | Hardened | 55 HRC | 20-80 m/min |
| H | 39 | Hardened steel | Hardened | 60 HRC | 30-50 m/min |