
| Roughing (Depth of | cut: APMX 1.5 ~ 8 mm) | Finishing (Depth of cu | t: APMX 0.3 ~ 0.7 mm) | |||
| ISO | Workpiece material | Grade | Cutting speed Vc (m/min) | Feed per tooth fz (mm/t) | Cutting speed Vc (m/min) | Feed per tooth fz (mm/t) |
| Mild steels | T3130 | 150 ~ 300 | 0.1 ~ 0.35 | 180 ~ 300 | 0.1 ~ 0.35 | |
| Unhardened steels | NS740 ∙ N308 | 100 ~ 250 | 0.1 ~ 0.3 | 150 ~ 250 | 0.1 ~ 0.3 | |
| < 180 HB | GH330 | 150 ~ 250 | 0.1 ~ 0.3 | 150 ~ 250 | 0.1 ~ 0.33 | |
| Carbon steels | T3130 | 150 ~ 280 | 0.1 ~ 0.3 | 180 ~ 280 | 0.1 ~ 0.35 | |
| Alloy steels | NS740 ∙ N308 | 100 ~ 180 | 0.1 ~ 0.25 | 150 ~ 200 | 0.1 ~ 0.3 | |
| < 300 HB | GH330 | 100 ~ 200 | 0.1 ~ 0.28 | 150 ~ 200 | 0.1 ~ 0.33 | |
| Cast irons | TH10 | 80 ~ 130 | 0.1 ~ 0.3 | 80 ~ 130 | 0.1 ~ 0.3 | |
| Ductile cast irons | T1115 | 100 ~ 200 | 0.1 ~ 0.3 | 100 ~ 200 | 0.1 ~ 0.3 | |
| Stainless steels | T3130 | 150 ~ 250 | 0.15 ~ 0.25 | 200 ~ 250 | 0.15 ~ 0.28 | |
| < 250 HB | GH330 | 150 ~ 230 | 0.15 ~ 0.3 | 200 ~ 250 | 0.15 ~ 0.3 |
Note: Dry cutting is recommended for the above materials. E