| ISO | Materials | Material Designation | Material Condition | Cutting Speed Recommendations (Vc) |
| P | 1 | Non-alloy steel and cast steel, free cutting steel <0.25%C. | Annealed :125 | 230-380 m/min |
| P | 2 | Non-alloy steel and cast steel, free cutting steel >=0.25%C. | Annealed :190 | 200-330 m/min |
| P | 3 | Non-alloy steel and cast steel, free cutting steel <0.55%C. | Quench and tempered. :250 | 160-300 m/min |
| P | 4 | Non-alloy steel and cast steel, free cutting steel >=0.55%C. | Annealed :220 | 190-320 m/min |
| P | 5 | Non-alloy steel and cast steel, free cutting steel >=0.55%C. | Quenched & tempered. :300 | 140-280 m/min |
| P | 6 | Low alloy & cast steel (less than 5% of alloying elements). | Annealed :200 | 160-300 m/min |
| P | 7 | Low alloy & cast steel (less than 5% of alloying elements). | Quenched & tempered :275 | 150-280 m/min |
| P | 8 | Low alloy & cast steel (less than 5% of alloying elements). | Quenched & tempered :300 | 140-230 m/min |
| P | 9 | Low alloy & cast steel (less than 5% of alloying elements). | Quenched & tempered :350 | 130-200 m/min |
| P | 10 | High alloyed steel, cast steel and tool steel. | Annealed :200 | 160-280 m/min |
| P | 11 | High alloyed steel, cast steel and tool steel. | Quenched & tempered :325 | 130-200 m/min |
| N | 21 | Aluminum-wrought alloy. | Not cureable : 60 | 1000-2500 m/min |
| N | 22 | Aluminum-wrought alloy. | Cured :100 | 300-1000 m/min |
| N | 23 | Aluminum-cast, alloyed <12% Si. | Not cureable : 75 | 300-1000 m/min |
| N | 24 | Aluminum-cast, alloyed. | Cured : 90 | 200-600 m/min |
| N | 26 | Copper alloys >1% pb. | Free cutting :110 | 250-600 m/min |
| N | 27 | Copper alloys. | Brass : 90 | 180-400 m/min |
| N | 28 | Copper alloys. | Electrolitic copper :100 | 150-300 m/min |
| S | 31 | High temp. alloys Fe based. | Annealed :200 | 35-45 m/min |
| S | 32 | High temp. alloys Fe based. | Cured :280 | 25-35 m/min |
| S | 33 | High temp. alloys. Ni or Co based. | Annealed :250 | 25-30 m/min |
| S | 34 | High temp. alloys. Ni or Co based. | Cured :350 | 15-25 m/min |
| S | 35 | High temp. alloys. Ni or Co based. | Castr :320 | 20-30 m/min |
| S | 36 | Titanium Ti alloys. | :310 | 80-160 m/min |
| S | 37 | Titanium Ti alloys. | Alpha+beta alloys cu :310 | 40-50 m/min |