
| Tensile | Material | Co | ated | ||||||
| Strength | Hardness | Group | IC228 | IC908 | IC808 | IC1007 | |||
| ISO Mate | rial | Condition | (N/mm2) | HB | No. | Cutting Sp | eed(m/min) | ||
| < 0.25 %C | Annealed | 420 | 125 | 1 | 60-100 | 115-190 | 125-205 | 135-230 | |
| Non-alloy | >= 0.25 %C | Annealed | 650 | 190 | 2 | 60-95 | 110-180 | 120-195 | 130-220 |
| steel and cast steel free | < 0.55 %C | Quenched and tempered | 850 | 250 | 3 | 50-90 | 100-175 | 105-185 | 120-210 |
| , cutting steel | Annealed | 750 | 220 | 4 | 45-85 | 90-165 | 95-175 | 110-200 | |
| >= 0.55 %C | Quenched and tempered | 1000 | 300 | 5 | 45-85 | 90-165 | 95-175 | 110-200 | |
| Annealed | 600 | 200 | 6 | 50-95 | 100-180 | 105-195 | 120-215 | ||
| P Low alloy and c | ast steel (less | 930 | 275 | 7 | 40-75 | 75-140 | 80-150 | 90-170 | |
| than 5% of alloy | ing elements) | Quenched and tempered | 1000 | 300 | 8 | 35-70 | 70-135 | 75-145 | 85-160 |
| 1200 | 350 | 9 | 35-70 | 70-135 | 75-145 | 85-160 | |||
| High alloyed ste | el, cast | Annealed | 680 | 200 | 10 | 40-65 | 80-120 | 85-130 | 95-145 |
| steel, and tool s | teel | Quenched and tempered | 1100 | 325 | 11 | 25-50 | 50-100 | 55-105 | 60-120 |
| Stainless steel a | nd cast steel | Ferritic/martensitic | 680 | 200 | 12 | 35-70 | 70-130 | 75-140 | 85-155 |
| Martensitic | 820 | 240 | 13 | 45-60 | 85-110 | 90-120 | 100-130 | ||
| M Stainless steel a | nd cast steel | Austenitic, duplex | 600 | 180 | 14 | 45-75 | 90-140 | 95-150 | 110-170 |
| Ferritic/pearlitic | 180 | 15 | 65-85 | 125-160 | 135-170 | 150-190 | |||
| Gray cast iron ( | G) | Pearlitic /martensitic | 260 | 16 | 45-65 | 90-120 | 95-130 | 110-145 | |
| K Ndlti | GGG | Ferritic | 160 | 17 | 35-70 | 70-130 | 75-140 | 85-155 | |
| ouar cas ro | () | Pearlitic | 250 | 18 | 30-60 | 60-115 | 65-125 | 70-140 | |
| Malleable cast ir | on | Ferritic | 130 | 19 | 30-35 | 60-70 | 65-75 | 70-85 | |
| Pearlitic | 230 | 20 | 30-75 | 60-145 | 65-155 | 70-175 | |||
| Ali | ht ll | Not hardenable | 60 | 21 | 50-195 | 100-365 | 105-390 | 120-440 | |
| umnum-wrou | aoys | Hardenable | 100 | 22 | 40-115 | 80-220 | 85-235 | 95-265 | |
| Not hardenable | 75 | 23 | 105-215 | 200-400 | 215-430 | 240-480 | |||
| Aluminum- cast allos | Hardenable | 90 | 24 | 105-150 | 200-280 | 215-300 | 240-335 | ||
| y | >12% Si | High temperature | 130 | 25 | 105-150 | 200-280 | 215-300 | 240-335 | |
| N | >1% Pb | Free cutting | 110 | 26 | 40-135 | 80-255 | 85-275 | 95-305 | |
| Copper alloys | Brass | 90 | 27 | 40-135 | 80-255 | 85-275 | 95-305 | ||
| Electrolytic copper | 100 | 28 | 40-130 | 80-255 | 85-275 | 95-305 | |||
| Non metallic | Duroplastics, fiberplastics | 29 | 40-130 | 80-250 | 85-265 | 95-300 | |||
| Hard rubber | 30 | 40-130 | 80-250 | 85-265 | 95-300 | ||||
| F bd | Annealed | 200 | 31 | 25-30 | 45-60 | 50-65 | 55-70 | ||
| High | e ase | Hardened | 280 | 32 | 15-25 | 35-50 | 35-55 | 40-60 | |
| temperature | Annealed | 250 | 33 | 10-15 | 20-30 | 20-30 | 25-35 | ||
| S alloys | Ni or Co based | Hardened | 350 | 34 | 5-10 | 15-25 | 15-25 | 18-30 | |
| Cast | 320 | 35 | 5-10 | 15-25 | 15-25 | 18-30 | |||
| Pure | 400 | 36 | 75-90 | 140-170 | 150-180 | 170-205 | |||
| Titanium alloys | Alpha+beta alloys hardened | 1050 | 37 | 25-35 | 50-70 | 55-75 | 60-85 | ||
| Hardened | 55 HRC | 38 | 25-30 | 45-60 | 50-65 | 55-70 | |||
| Hardened steel | Hardened | 60 HRC | 39 | 25-30 | 45-60 | 50-65 | 55-70 | ||
| H Chilled cast iron | Cast | 400 | 40 | 25-30 | 45-60 | 50-65 | 55-70 | ||
| Cast iron | Hardened | 55 HRC | 41 | 25-30 | 45-60 | 50-65 | 55-70 |