
Ma t e r i a l Steel P Wo r k Steel Turning Insert Selection Guide Grades A● (m/min) Fine Finishing to Finishing ● Finishing to Rough Cutting (m/min) 400 400 Grades High Speed Cutting High Speed to General Purpose Cutting High Speed T1000A Cutting Cutting Speed (vc) Cutting Speed (vc) 300 T1500Z 300 AC810P General Purpose Cutting Steel 200 General Purpose Cutting 200 T1500A Continuous/ Light Cutting AC8025P Interrupted to Heavy Interrupted Cutting 100 General Purpose/ 100 AC6030M AC830P Interrupted Cutting Stainless T3000Z AC1030U Steel Small Product Machining 0 0 Fine Finishing Finishing Finishing Roughing Cast Iron Continuous Cutting General Cutting Interrupted Cutting Continuous Cutting General Cutting Interrupted Cutting Main Chipbreakers Exotic Alloy Small Product Non-Ferrous Hardened Negative Type Positive Type Steel MU (mm) (mm) MU 6 ME 3 MU Metal ME SU SU GE MU Depth of Cut (ap) Depth of Cut (ap) (Crater- and Wear-Resistant) 4 2 LU GU Machining GU (Sharper Edge) LB SU GE SE LB 2 1 LU SU FB FE FB SE 0 0.2 0.4 0.6 0 0.2 0.4 Feed Rate f(mm/rev) Feed Rate f (mm/rev) FE Sub-Chipbreakers Negative Type (mm) Chipbreakers for High-Efficiency Machining (mm) Strong Edge Chipbreakers 6 6 ME MX Depth of Cut (ap) Depth of Cut (ap) 4 4 UX GE SE 2 2 SX FE 0 0.2 0.4 0.6 0.8 0 0.2 0.4 0.6 Feed Rate f (mm/rev) Feed Rate f(mm/rev) (mm) Chipbreakers for Small Depths (mm) Wiper Inserts (mm) Chipbreakers for Heavy Cutting 15 3 6 HF Depth of Cut (ap) Depth of Cut (ap) Depth of Cut (ap) 10 2 4 HW LU GUW FB 5 1 2 SEW HU FL/FA FE LUW MP HP 0 0.2 0.4 0.6 0 0.3 0.6 0.9 0 0.4 0.8 1.2 1.6 Feed Rate f (mm/rev) Feed Rate f(mm/rev) Feed Rate f(mm/rev) A8