WIDIA™ Victory™ • High-Performance Inserts High-Temp Alloys • Iron-, Cobalt-, and Nickel-Based and Titanium Alloys „Step 3 • Select the cutting speed (continued) Iron-Based, Heat-Resistant Alloys (135–320 HB) ()34 HRC) speed — m/min Starting Conditions material group grade 15 45 75 105 140 170 200 230 290 310 m/min WU10HT 30 WS10PT 55 S1 WS25PT 40 WM15CT 55 WM25CT/WM35CT 40 Cobalt-Based, Heat-Resistant Alloys (150–425 HB) ()45 HRC) speed — m/min Starting Conditions material group grade 15 45 75 105 140 170 200 230 290 310 m/min WU10HT 35 WS10PT 60 S2 WS25PT 30 WM15CT 60 WM25CT/WM35CT 30 Nickel-Based, Heat-Resistant Alloys (140–475 HB) ()48 HRC) speed — m/min Starting Conditions material group grade 15 45 75 105 140 170 200 230 290 310 m/min WU10HT 40 WS10PT 70 S3 WS25PT 40 WM15CT 70 WM25CT/WM35CT 40 Titanium and Titanium Alloys (110–450 HB) ()48 HRC) speed — m/min Starting Conditions material group grade 15 45 75 105 140 170 200 230 290 310 m/min WU10HT 45 S4 WM15CT 70 WM25CT/WM35CT 55 widia.com B17