Insert GradesSteelStainlessSteelCast IronExotic AlloyHardene dNon-FerrousSteelMetalFor SmallLathes WorkDepth of Cut ap (mm) Material Cutting Speed Vc (m/min) Depth of Cut ap (mm) Depth of Cut ap (mm) Chipbreaker and Grade Selection Guide for Turning Non-Ferrous Metal Non-Ferrous Metal Grades SUMIDIA DA1000 M6 2,000 1,500 SUMIDIA A 1,000 DA1000 Carbide 500 H1 0 Finishing Roughing Continuous Partially Interrupted Interrupted Main Chipbreakers Negative Type Positive Type Positive Type (PCD) AX Type AG Type GD Type 4.0 4.0 2.0 AW Type LD Type 3.0 3.0 1.5 AY Type GD Type AX Type AG Type 2.0 2.0 AW Type 1.0 1.0 1.0 0.5 AY Type LD Type 0 0.1 0.2 0.3 0.4 0.5 0 0.1 0.2 0.3 0.4 0.5 0 0.1 0.2 0.3 0.4 Feed Rate f (mm/rev) Feed Rate f (mm/rev) Feed Rate f (mm/rev) Recommended Cutting Conditions Non-Ferrous Metal Cutting Conditions Min. - Optimum - Max. Cutting Process Application Grade Depth of Cut ap (mm) Feed Rate f (mm/rev) Cutting Speed vc (m/min) Continuous Cutting SUMIDIA DA1000 0.1-0.5-3.0 0.05-0.10-0.20 up to 2,000 General Cutting Interrupted Cutting Carbide H1 0.3-1.0-5.0 0.1-0.20-0.5 up to 1,000 A22