
| group | Star | ting valu | HC ( es for cu | CVD) tting spee | d vc[m/ | min] | ||||||
| Material group | Composition / structure / heat treatment | HB | ning | YBC302 | YBD152 | |||||||
| chi | ae/ D | ae/ D | ||||||||||
| Ma | 1/1 | 3/4 | 1/5 | 1/20 | 1/1 | 3/4 | 1/5 | 1/20 | ||||
| approx. 0,15 % C annealed | 125 | 1 | 260 | 300 | 390 | |||||||
| approx. 0,45 % C annealed | 190 | 2 | 225 | 255 | 335 | |||||||
| Unalloyed steel | approx. 0,45 % C tempered | 250 | 3 | 210 | 240 | 315 | ||||||
| approx. 0,75 % C annealed | 270 | 4 | 185 | 210 | 275 | |||||||
| approx. 0,75 % C tempered | 300 | 5 | 170 | 195 | 255 | |||||||
| P | annealed | 180 | 6 | 225 | 255 | 335 | ||||||
| Low-alloed steel | tempered | 275 | 7 | 185 | 210 | 275 | ||||||
| y | tempered | 300 | 8 | 170 | 195 | 255 | ||||||
| tempered | 350 | 9 | 145 | 165 | 215 | |||||||
| High-alloyed steel and high-alloyed | annealed | 200 | 10 | 130 | 150 | 195 | ||||||
| tool steel | hardened and tempered | 325 | 11 | 95 | 105 | 140 | ||||||
| ferritic/martensitic annealed | 200 | 12 | ||||||||||
| M | Stainless steel | martensitic tempered | 240 | 13 | ||||||||
| austenitic quench hardened | 180 | 14 | ||||||||||
| austenitic-ferritic | 230 | 15 | ||||||||||
| Gre cast iron | perlitic/ferritic | 180 | 16 | 335 | 390 | 510 | ||||||
| y | perlitic (martensitic) | 260 | 17 | 200 | 230 | 300 | ||||||
| K | Cast iron with spheroidal graphite | ferritic | 160 | 18 | 225 | 260 | 340 | |||||
| perlitic | 250 | 19 | 150 | 175 | 230 | |||||||
| Malleable cast iron | ferritic | 130 | 20 | 275 | 320 | 420 | ||||||
| perlitic | 230 | 21 | 185 | 215 | 280 | |||||||
| Aluminium wrought alloys | cannot be hardened | 60 | 22 | |||||||||
| hardenable hardened | 100 | 23 | ||||||||||
| ≤ 12 % Si, cannot be hardened | 75 | 24 | ||||||||||
| N | Cast aluminium alloys | ≤ 12 % Si, hardenable hardened | 90 | 25 | ||||||||
| > 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, electrolytic 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 | ||||||||||
| Titi ll | pure titanium | Rm400 | 35 | |||||||||
| anum 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 GFRP | 43 | |||||||||
| Plastic, carbon fibre reinforced CFRP | 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.