
| group | Star | ting valu | HC ( es for cut | CVD) ting speed vc[m/ | min] | |||||||||||
| Material group | Composition / structu | re / heat treatment | HB | ning | YBC | 302 | YBC | 401 | YBD152 | YBD | 252 | |||||
| chi | ae | / D | ae | / D | ae/ D | ae/ | D | |||||||||
| Ma | 1/1 | 3/4 | 1/5 | 1/1 | 3/4 | 1/5 | 1/1 | 3/4 1/5 | 1/1 | 3/4 | 1/5 | |||||
| approx. 0,15 % C | annealed | 125 | 1 | 200 | 230 | 170 | 200 | |||||||||
| approx. 0,45 % C | annealed | 190 | 2 | 170 | 200 | 145 | 170 | |||||||||
| Unalloyed steel | approx. 0,45 % C | tempered | 250 | 3 | 160 | 185 | 140 | 160 | ||||||||
| approx. 0,75 % C | annealed | 270 | 4 | 140 | 165 | 120 | 140 | |||||||||
| approx. 0,75 % C | tempered | 300 | 5 | 130 | 150 | 115 | 130 | |||||||||
| P | annealed | 180 | 6 | 170 | 200 | 145 | 170 | |||||||||
| Low-alloed steel | tempered | 275 | 7 | 140 | 165 | 120 | 140 | |||||||||
| y | tempered | 300 | 8 | 130 | 150 | 115 | 130 | |||||||||
| tempered | 350 | 9 | 110 | 130 | 95 | 110 | ||||||||||
| High-alloyed steel and high-alloyed | annealed | 200 | 10 | 100 | 115 | 85 | 100 | |||||||||
| tool steel | hardened and tempered | 325 | 11 | 70 | 85 | 60 | 70 | |||||||||
| ferritic/martensitic | annealed | 200 | 12 | |||||||||||||
| M | Stainless steel | martensitic | tempered | 240 | 13 | |||||||||||
| austenitic | quench hardened | 180 | 14 | |||||||||||||
| austenitic-ferritic | 230 | 15 | ||||||||||||||
| Grey cast iron | perlitic/ferritic | 180 | 16 | 255 295 | 220 | 255 | ||||||||||
| perlitic (martensitic) | 260 | 17 | 150 175 | 130 | 150 | |||||||||||
| K | Cast iron with spheroidal graphite | ferritic | 160 | 18 | 175 205 | 150 | 175 | |||||||||
| perlitic | 250 | 19 | 115 135 | 100 | 115 | |||||||||||
| Malleable cast iron | ferritic | 130 | 20 | 210 245 | 180 | 210 | ||||||||||
| perlitic | 230 | 21 | 140 165 | 120 | 140 | |||||||||||
| Aluminium wrought alloys | cannot be hardened | 60 | 22 | |||||||||||||
| hardenable | hardened | 100 | 23 | |||||||||||||
| ≤ 12 % Si, cannot be hardened | 75 | 24 | ||||||||||||||
| Cast aluminium alloys | ≤ 12 % Si, hardenable | hardened | 90 | 25 | ||||||||||||
| N | > 12 % Si, cannot be hardened | 130 | 26 | |||||||||||||
| machining steel, PB> 1% | 110 | 27 | ||||||||||||||
| Copper and copper alloys (bronze/brass) | CuZn, CuSnZn | 90 | 28 | |||||||||||||
| CuSn, Pb-free copper, electrolyti | c copper | 100 | 29 | |||||||||||||
| annealed | 200 | 30 | ||||||||||||||
| Fe-based alloys | hardened | 280 | 31 | |||||||||||||
| Heat-resistant alloys | annealed | 250 | 32 | |||||||||||||
| S | Ni or Co bass | hardened | 350 | 33 | ||||||||||||
| cast | 320 | 34 | ||||||||||||||
| ii ll | pure titanium | Rm400 | 35 | |||||||||||||
| tanum aoys | α and β alloys | hardened | Rm1050 | 36 | ||||||||||||
| Hardened steel | hardened and tempered | 55 HRC | 37 | |||||||||||||
| hardened and tempered | 60 HRC | 38 | ||||||||||||||
| H | Hard cast iron | cast | 400 | 39 | ||||||||||||
| Hardened cast iron | hardened and tempered | 55 HRC | 40 | |||||||||||||
| Thermoplasts | 41 | |||||||||||||||
| Thermosetting plastics | 42 | |||||||||||||||
| X | Non-metallic materials | Plastic, glass-fibre reinforced GF | i RP | 43 | ||||||||||||
| Plastic, carbon fibre reinforced C | i FRP | 44 | ||||||||||||||
| Graphite Wood | 45 46 |
Note: The given cutting values are guide values, which were determined under ideal conditions. The values have to be adapted in individual cases. Feed rate recommendations on page B248. For examples of material for cutting tool groups view page D22.