| 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 | 820-1150 sfm |
| P | 2 | Non-alloy steel and cast steel, free cutting steel >=0.25%C. | Annealed | 190 HB | 655-985 sfm |
| P | 3 | Non-alloy steel and cast steel, free cutting steel <0.55% C | Quenched and tempered | 250 HB | 490-820 sfm |
| P | 4 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Annealed | 220 HB | 445-655 sfm |
| P | 5 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Quenched and tempered. | 300 HB | 395-590 sfm |
| P | 6 | Low alloy and cast steel (less than 5% of alloying elements) | Annealed | 200 HB | 590-785 sfm |
| P | 7 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 275 HB | 445-690 sfm |
| P | 8 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 300 HB | 395-655 sfm |
| P | 9 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 350 HB | 360-720 sfm |
| P | 10 | High alloyed steel, cast steel and tool steel | Annealed | 200 HB | 360-525 sfm |
| P | 11 | High alloyed steel, cast steel and tool steel | Quenched and tempered | 325 HB | 260-330 sfm |
| P | 12 | Stainless steel and cast steel | Ferritic/martensitic | 200 HB | 395-655 sfm |
| P | 13 | Stainless steel and cast steel | Martensitic | 240 HB | 330-525 sfm |
| H | 38 | Hardened steel | Hardened | 55 HRC | 195-230 sfm |
| H | 39 | Hardened steel | Hardened | 60 HRC | 165-195 sfm |
| H | 40 | Chilled cast iron | Cast | 400 HB | 295-360 sfm |
| H | 41 | Cast iron | Hardened | 55 HRC | 195-230 sfm |