ISO | Materials | Material Designation | Material Condition | Cutting Speed Recommendations (Vc) |
N | 21 | Aluminum-wrought alloy. | Not cureable : 60 | 200-300 m/min |
N | 22 | Aluminum-wrought alloy. | Cured :100 | 200-300 m/min |
N | 23 | Aluminum-cast, alloyed <12% Si. | Not cureable : 75 | 200-300 m/min |
N | 24 | Aluminum-cast, alloyed. | Cured : 90 | 200-300 m/min |
N | 25 | Aluminum-cast, alloyed >12% Si. | High temperature :130 | 200-300 m/min |
N | 26 | Copper alloys >1% pb. | Free cutting :110 | 200-300 m/min |
N | 27 | Copper alloys. | Brass : 90 | 200-300 m/min |
N | 28 | Copper alloys. | Electrolitic copper :100 | 200-300 m/min |
N | 29 | Non metallic. | Duro& fiber plastics : 60 | 200-300 m/min |
N | 30 | Non metallic | Hard rubber : 55 | 200-300 m/min |