ISO | Material | Material Designation | Material Condition | Hardness | Cutting Speed Recommendations (Vc) |
K | 15 | Grey cast iron (GG) | Pearlitic/ferritic | 180 HB | 230-350 m/min |
K | 16 | Grey cast iron (GG) | Pearlitic/martensitic | 260 HB | 210-320 m/min |
K | 17 | Nodular cast iron (GGG) | Ferritic | 160 HB | 200-300 m/min |
K | 18 | Nodular cast iron (GGG) | Pearlitic | 250 HB | 170-250 m/min |
K | 19 | Malleable cast iron | Ferritic | 130 HB | 220-320 m/min |
K | 20 | Malleable cast iron | Pearlitic | 230 HB | 180-300 m/min |
|