
Material Work Turning Insert Selection Guide / Exotic Alloy S Exotic Alloy Recommended Cutting Conditions Grades SUMIBORON A (m/min) BN7000 Page L10 Grades 400 Ceramic 200 WX120 Cutting Speed (vc) CBN 100 BN7000 Steel Coated Carbide Carbide 50 AC510U/EH510 AC510U/EH510 Coated Carbide AC520U/EH520 Carbide Stainless Steel 10 0 Finishing Roughing Cast Iron Continuous Cutting General Cutting Interrupted Cutting Exotic Alloy Chipbreakers Negative Type MU Small Product Non-Ferrous Hardened (mm) Steel 6 EG Depth of Cut (ap) Metal 4 EG UP MU EX (UP) EX Machining 2 EF SU SU 0 0.1 0.2 0.3 0.4 Feed Rate f (mm/rev) EF S Exotic Alloy Recommended Cutting Conditions (Red text indicates 1st recommendation.) Cutting Cutting Conditions Min. - Optimum - Max. Work Materials Chipbreakers Grades Process Depth of Cut ap (mm) Feed Rate f (mm/rev) Cutting Speed vc (m/min) Finishing EF(SU) AC510U 0.2-0.5-1.5 0.1-0.12-0.2 50-60-90 Heat-Resistant Alloy ( ) Light EX AC510U 0.5-1.0-3.0 0.1-0.20-0.3 40-50-80 Ni-based Alloy Fe-based Alloy Medium EG AC510U 0.5-2.0-4.0 0.15-0.25-0.3 40-50-80 Co-based Alloy Rough MU AC520U 1.0-2.0-4.0 0.2-0.25-0.35 30-45-60 Finishing EF(SU) EH510 0.2-0.5-1.5 0.1-0.15-0.2 50-65-80 (AC510U) Titanium Alloy Light EX AC510U 0.5-1.0-2.5 0.1-0.20-0.25 40-55-70 ( Pure Titanium(99.5%) α + β Alloy ) Medium EG EH510 (AC510U) 0.5-2.0-3.5 0.15-0.25-0.3 40-55-70 Rough MU AC520U 1.0-2.0-3.5 0.2-0.25-0.3 30-40-50 A16