
| ISO | Speed vc (feet/min) Materials | Rm | Kc:N/mm2 |
| Unalloyed | 400-600 N/mm2 120-180 HBN | 2050 | |
| Steel | 600-950 N/mm2 180-200 HBN | 2300 | |
| P | 700-950 N/mm2 200-280 HBN | 2599 | |
| Alloyed Steel | 950-1200 N/mm2 280-355 HBN | 2851 | |
| 1200-1400 N/mm2 355-415 HBN | 3172 | ||
| Tool Steel | 1200-1400 N/mm2 355-415 HBN | 3895 | |
| Stainless | Austenitic + Ferritic 300 series | 1847 | |
| M | Steel | Martensitic 400 series | 2599 |
| PH Stainless | Refractory P.H. | 3199 | |
| Grey GG-Ft | 1200 | ||
| K | Ct I | Spheroidal-Ductile GGG-FGS | 1500 |
| as ron | Nodular GGGNi - L- N | 1600 | |
| Malleable GTS - MN/MP | 1050 | ||
| N | Aluminium | Aluminium & Alloys < 16% 116 HBN | 827 |
| & Alloys | Aluminium + Silicon > 16% 92 HBN | 965 | |
| Iron Based | 2999 | ||
| High | Cobalt Based | 3799 | |
| S | Temperature Alloys | Nickel Based | 3500 |
| Titanium Based 425-456 HBN | 1500 |