| ISO | Material | Material Designation | Material Condition | Hardness | Cutting Speed Recommendations (Vc) |
| P | 1 | Non-alloy steel and cast steel, free cutting steel <0.25%C. | Annealed | 125 HB | 640-855 sfm |
| P | 2 | Non-alloy steel and cast steel, free cutting steel >=0.25%C. | Annealed | 190 HB | 560-770 sfm |
| P | 3 | Non-alloy steel and cast steel, free cutting steel <0.55% C | Quenched and tempered | 250 HB | 445-655 sfm |
| P | 4 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Annealed | 220 HB | 475-720 sfm |
| P | 5 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Quenched and tempered. | 300 HB | 375-605 sfm |
| P | 6 | Low alloy and cast steel (less than 5% of alloying elements) | Annealed | 200 HB | 410-640 sfm |
| P | 7 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 275 HB | 375-640 sfm |
| P | 8 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 300 HB | 375-605 sfm |
| P | 9 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 350 HB | 345-560 sfm |
| P | 10 | High alloyed steel, cast steel and tool steel | Annealed | 200 HB | 560-770 sfm |
| P | 11 | High alloyed steel, cast steel and tool steel | Quenched and tempered | 325 HB | 345-560 sfm |
| P | 12 | Stainless steel and cast steel | Ferritic/martensitic | 200 HB | 260-475 sfm |
| P | 13 | Stainless steel and cast steel | Martensitic | 240 HB | 245-460 sfm |
| M | 14 | Stainless steel and cast steel | Austenitic, duplex | 180 HB | 150-295 sfm |
| K | 15 | Grey cast iron (GG) | Pearlitic/ferritic | 180 HB | 410-740 sfm |
| K | 16 | Grey cast iron (GG) | Pearlitic/martensitic | 260 HB | 345-510 sfm |
| K | 17 | Nodular cast iron (GGG) | Ferritic | 160 HB | 360-625 sfm |
| K | 18 | Nodular cast iron (GGG) | Pearlitic | 250 HB | 295-490 sfm |
| K | 19 | Malleable cast iron | Ferritic | 130 HB | 460-770 sfm |
| K | 20 | Malleable cast iron | Pearlitic | 230 HB | 375-625 sfm |