
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 | 310 290 230 200 170 140 105 75 45 15 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