| 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 | 785-1115 sfm |
| P | 2 | Non-alloy steel and cast steel, free cutting steel >=0.25%C. | Annealed | 190 HB | 720-1050 sfm |
| P | 3 | Non-alloy steel and cast steel, free cutting steel <0.55% C | Quenched and tempered | 250 HB | 690-985 sfm |
| P | 4 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Annealed | 220 HB | 690-900 sfm |
| P | 5 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Quenched and tempered. | 300 HB | 625-900 sfm |
| P | 6 | Low alloy and cast steel (less than 5% of alloying elements) | Annealed | 200 HB | 590-870 sfm |
| P | 7 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 275 HB | 560-835 sfm |
| P | 8 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 300 HB | 525-835 sfm |
| P | 9 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 350 HB | 525-805 sfm |
| P | 10 | High alloyed steel, cast steel and tool steel | Annealed | 200 HB | 410-770 sfm |
| P | 11 | High alloyed steel, cast steel and tool steel | Quenched and tempered | 325 HB | 375-625 sfm |
| P | 12 | Stainless steel and cast steel | Ferritic/martensitic | 200 HB | 525-835 sfm |
| P | 13 | Stainless steel and cast steel | Martensitic | 240 HB | 490-805 sfm |