WIDIA™ Victory™ • High-Performance Inserts Stainless Steel • Austenitic Stainless Steels Step 2 • Select the grade (continued) Negative Insert Geometry cutting condition -FF -UF -MR -UM -RH -UR heavily interrupted cut WS10PT WM15CT WM35CT WM35CT – WM35CT lightly interrupted cut WS10PT WM15CT WM25CT WM25CT WM35CT WM35CT/WM25CT varying depth of cut,casting, or forging skin WM15CT WM15CT/WS10PTWM15CT WM15CT WM35CT WM25CT smooth cut, pre-turned surface WM15CT WM15CT WM15CT WM15CT – WM15CT Positive Insert Geometry cutting condition -FP -MU -MP heavily interrupted cut WM25CT WM35CT/ WS25PT WM25CT lightly interrupted cut WM25CT WM25CT/ WS10PT WM25CT varying depth of cut,casting, or forging skin WM25CT/ WM15CT WM25CT WM25CT/ WM15CT smooth cut, pre-turned surface WM15CT WM25CT WM15CT Step 3 • Select the cutting speed Austenitic Stainless Steel speed — m/min Starting Conditions material group grade 90 135 180 225 270 315 200 360 405 450 m/min WM15CT 180 WM25CT 150 M1 WM35CT 120 WS10PT 215 WS25PT 180 Austenitic Stainless Steel speed — m/min Starting Conditions material group grade 90 135 180 225 270 315 200 360 405 450 m/min WM15CT 165 WM25CT 140 M2 WM35CT 105 WS10PT 200 WS25PT 165 Austenitic Stainless Steel: Duplex (Ferritic and Austenitic Mixture) speed — m/min Starting Conditions material group grade 90 135 180 225 270 315 200 360 405 450 m/min WM15CT 150 WM25CT 120 M3 WM35CT 90 WS10PT 185 WS25PT 150 widia.com B13