ISO | Material | Material Designation | Material Condition | Cutting Speed Recommendations (Vc) |
P | 1 | Non-alloy steel and cast steel, free cutting steel <0.25%C | Annealed :125 | 195-260 m/min |
P | 2 | Non-alloy steel and cast steel, free cutting steel >=0.25%C | Annealed :190 | 170-235 m/min |
P | 3 | Non-alloy steel and cast steel, free cutting steel <0.55%C | Quench and tempered. :250 | 135-200 m/min |
P | 4 | Non-alloy steel and cast steel, free cutting steel >=0.55%C | Annealed :220 | 145-220 m/min |
P | 5 | Non-alloy steel and cast steel, free cutting steel >=0.55%C | Quenched & tempered. :300 | 115-185 m/min |
P | 6 | Low alloy & cast steel (less than 5% of alloying elements) | Annealed :200 | 125-195 m/min |
P | 7 | Low alloy & cast steel (less than 5% of alloying elements) | Quenched & tempered :275 | 115-195 m/min |
P | 8 | Low alloy & cast steel (less than 5% of alloying elements) | Quenched & tempered :300 | 115-185 m/min |
P | 9 | Low alloy & cast steel (less than 5% of alloying elements) | Quenched & tempered :350 | 105-170 m/min |
P | 10 | High alloyed steel, cast steel and tool steel | Annealed :200 | 170-235 m/min |
P | 11 | High alloyed steel, cast steel and tool steel | Quenched & tempered :325 | 105-170 m/min |
P | 12 | Stainless steel and cast steel | Ferritic/martensitic :200 | 80-145 m/min |
P | 13 | Stainless steel and cast steel | Martensitic :240 | 75-140 m/min |
M | 14 | Stainless steel and cast steel | Austenitic :180 | 45-90 m/min |
K | 15 | Grey cast iron (GG) | Pearlitic/ferritic :180 | 125-225 m/min |
K | 16 | Grey cast iron (GG) | Pearlitic/martensiti :260 | 105-155 m/min |
K | 17 | Nodular cast iron (GGG) | Ferritic :160 | 110-190 m/min |
K | 18 | Nodular cast iron (GGG) | Pearlitic :250 | 90-150 m/min |
K | 19 | Malleable cast iron | Ferritic :130 | 140-235 m/min |
K | 20 | Malleable cast iron | Pearlitic :230 | 115-190 m/min |