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/minStarting Conditions
material
groupgrade154575105140170200230290310m/min
WU10HT30
WS10PT55
S1WS25PT40

WM15CT 55 WM25CT/WM35CT 40

Cobalt-Based, Heat-Resistant Alloys (150–425 HB) ()45 HRC)speed — m/minStarting Conditions
material
groupgrade310 290 230 200 170 140 105 75 45 15 m/min
WU10HT35
WS10PT60
S2WS25PT30
WM15CT60
WM25CT/WM35CT30
Nickel-Based, Heat-Resistant Alloys
(140–475 HB) ()48 HRC)speed — m/minStarting Conditions
material
groupgrade154575105140170200230290310m/min
WU10HT40
WS10PT70
S3WS25PT40

WM15CT 70 WM25CT/WM35CT 40

Titanium and Titanium Alloys (110–450 HB) ()48 HRC)speed — m/minStarting Conditions
material
groupgrade154575105140170200230290310m/min
WU10HT45
S4WM15CT70

WM25CT/WM35CT 55