Roughing (Depth ofcut: APMX 1.5 ~ 8 mm)Finishing (Depth of cut: APMX 0.3 ~ 0.7 mm)
ISOWorkpiece materialGradeCutting speed Vc (m/min)Feed per tooth fz (mm/t)Cutting speed Vc (m/min)Feed per tooth fz (mm/t)
Mild steelsT3130150 ~ 3000.1 ~ 0.35180 ~ 3000.1 ~ 0.35
Unhardened steelsNS740 ∙ N308100 ~ 2500.1 ~ 0.3150 ~ 2500.1 ~ 0.3
< 180 HBGH330150 ~ 2500.1 ~ 0.3150 ~ 2500.1 ~ 0.33
Carbon steelsT3130150 ~ 2800.1 ~ 0.3180 ~ 2800.1 ~ 0.35
Alloy steelsNS740 ∙ N308100 ~ 1800.1 ~ 0.25150 ~ 2000.1 ~ 0.3
< 300 HBGH330100 ~ 2000.1 ~ 0.28150 ~ 2000.1 ~ 0.33
Cast ironsTH1080 ~ 1300.1 ~ 0.380 ~ 1300.1 ~ 0.3
Ductile cast ironsT1115100 ~ 2000.1 ~ 0.3100 ~ 2000.1 ~ 0.3
Stainless steelsT3130150 ~ 2500.15 ~ 0.25200 ~ 2500.15 ~ 0.28
< 250 HBGH330150 ~ 2300.15 ~ 0.3200 ~ 2500.15 ~ 0.3

Note: Dry cutting is recommended for the above materials. E

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