| ISO | Material | Material Designation | Material Condition | Hardness | Cutting Speed Recommendations (Vc) |
| K | 15 | Grey cast iron (GG) | Pearlitic/ferritic | 180 HB | 95-180 m/min |
| K | 16 | Grey cast iron (GG) | Pearlitic/martensitic | 260 HB | 75-120 m/min |
| K | 17 | Nodular cast iron (GGG) | Ferritic | 160 HB | 75-140 m/min |
| K | 18 | Nodular cast iron (GGG) | Pearlitic | 250 HB | 65-125 m/min |
| K | 19 | Malleable cast iron | Ferritic | 130 HB | 90-165 m/min |
| K | 20 | Malleable cast iron | Pearlitic | 230 HB | 70-130 m/min |
| H | 38 | Hardened steel | Hardened | 55 HRC | 20-30 m/min |
| H | 39 | Hardened steel | Hardened | 60 HRC | 20-30 m/min |
| H | 40 | Chilled cast iron | Cast | 400 HB | 20-35 m/min |
| H | 41 | Cast iron | Hardened | 55 HRC | 20-30 m/min |
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