ISO | Material | Material Designation | Material Condition | Cutting Speed Recommendations (Vc) |
N | 21 | Aluminum-wrought alloy | Not cureable : 60 | 480-640 m/min |
N | 22 | Aluminum-wrought alloy | Cured :100 | 400-560 m/min |
N | 23 | Aluminum-cast, alloyed <12% Si | Not cureable : 75 | 480-640 m/min |
N | 24 | Aluminum-cast, alloyed | Cured : 90 | 400-560 m/min |
N | 25 | Aluminum-cast, alloyed >12% Si | High temperature :130 | 240-320 m/min |
N | 26 | Copper alloys >1% Pb | Free cutting :110 | 240-320 m/min |
N | 27 | Copper alloys | Brass : 90 | 240-320 m/min |
N | 28 | Copper alloys | Electrolitic copper :100 | 160-240 m/min |