| 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 | 90-200 m/min |
| P | 2 | Non-alloy steel and cast steel, free cutting steel >=0.25% C | Annealed | 190 HB | 90-200 m/min |
| P | 3 | Non-alloy steel and cast steel, free cutting steel <0.55% C | Quenched and tempered | 250 HB | 90-200 m/min |
| P | 4 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Annealed | 220 HB | 90-145 m/min |
| P | 5 | Non-alloy steel and cast steel, free cutting steel >=0.55% C | Quenched and tempered. | 300 HB | 90-145 m/min |
| P | 6 | Low alloy and cast steel (less than 5% of alloying elements) | Annealed | 200 HB | 90-200 m/min |
| P | 7 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 275 HB | 90-200 m/min |
| P | 8 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 300 HB | 70-210 m/min |
| P | 9 | Low alloy and cast steel (less than 5% of alloying elements) | Quenched and tempered | 350 HB | 95-160 m/min |
| P | 10 | High alloyed steel, cast steel and tool steel | Annealed | 200 HB | 90-160 m/min |
| P | 11 | High alloyed steel, cast steel and tool steel | Quenched and tempered | 325 HB | 90-160 m/min |
| P | 12 | Stainless steel and cast steel | Ferritic/martensitic | 200 HB | 55-130 m/min |
| P | 13 | Stainless steel and cast steel | Martensitic | 240 HB | 55-130 m/min |
| M | 14 | Stainless steel and cast steel | Austenitic | 180 HB | 55-120 m/min |
| K | 15 | Grey cast iron (GG) | Pearlitic/ferritic | 180 HB | 65-120 m/min |
| K | 16 | Grey cast iron (GG) | Pearlitic/martensitic | 260 HB | 65-120 m/min |
| K | 17 | Nodular cast iron (GGG) | Ferritic | 160 HB | 65-120 m/min |
| K | 18 | Nodular cast iron (GGG) | Pearlitic | 250 HB | 65-120 m/min |
| K | 19 | Malleable cast iron | Ferritic | 130 HB | 65-120 m/min |
| K | 20 | Malleable cast iron | Pearlitic | 230 HB | 65-120 m/min |
| N | 21 | Aluminum-wrought alloy | Not cureable | 60 HB | 135-280 m/min |
| N | 22 | Aluminum-wrought alloy | Cured | 100 HB | 135-280 m/min |
| N | 23 | Aluminum-cast, alloyed <12% Si | Not cureable | 75 HB | 90-200 m/min |
| N | 24 | Aluminum-cast, alloyed | Cured | 90 HB | 90-200 m/min |
| N | 25 | Aluminum-cast, alloyed >12% Si | High temperature | 130 HB | 90-200 m/min |
| N | 26 | Copper alloys >1% Pb | Free cutting | 110 HB | 135-280 m/min |
| N | 27 | Copper alloys | Brass | 90 HB | 135-280 m/min |
| N | 28 | Copper alloys | Electrolytic copper | 100 HB | 135-280 m/min |
| N | 29 | Non metallic | Duro& fiber plastics | 60 HB | 90-320 m/min |
| N | 30 | Non metallic | Hard rubber | 55 HB | 90-320 m/min |
| S | 31 | High temp. alloys Fe based | Annealed | 200 HB | 20-80 m/min |
| S | 32 | High temp. alloys Fe based | Cured | 280 HB | 20-80 m/min |
| S | 33 | High temp. alloys Ni or Co based | Annealed | 250 HB | 20-80 m/min |
| S | 34 | High temp. alloys. Ni or Co based | Cured | 350 HB | 20-80 m/min |
| S | 35 | High temp. alloys. Ni or Co based | Cast | 320 HB | 20-80 m/min |
| S | 36 | Titanium (pure) | Pure | 110 HB | 15-50 m/min |
| S | 37 | Titanium alloys | Alpha+beta alloys | 310 HB | 15-50 m/min |
| H | 38 | Hardened steel | Hardened | 55 HRC | 50-60 m/min |
| H | 39 | Hardened steel | Hardened | 60 HRC | 40-50 m/min |
| H | 40 | Chilled cast iron | Cast | 400 HB | 30-55 m/min |
| H | 41 | Cast iron | Hardened | 55 HRC | 20-40 m/min |