Stellite™ 694 Alloy

Nominal Composition (Mass %) and Physical Properties

Co Cr W Ni C Others Hardness Density (deposit) Melting Range
Base 28.5 19.5 5.0 0.9 V, Fe, Si, Mn 44-50 HRC 9.02 g/cm3
0.326 lb/in3

Stellite 694

Stellite cobalt-based alloys consist of complex carbides in an alloy matrix. They are resistant to wear, galling, and corrosion and retain these properties at high temperatures. Their exceptional wear resistance is due mainly to the unique inherent characteristics of the hard carbide phase dispersed in a CoCr alloy matrix.

Stellite 694 is a cobalt-chromium alloy which has a high tungsten content to ensure high matrix strength at elevated temperatures (up to 1148oC or 2100oF). This alloy exhibits good resistance to wear, creep, erosion, thermal fatigue, and oxidation. The principal application is for hard-facing turbine blade interlock surfaces. Used in gas turbine parts where a higher hardness than Stellite 31 is required. 

Stellite 694 Microstructure, Cast (top) and PM (bottom)
B50TF55 Solid Wire


Stellite 694 Alloy Data Sheet

Check out our Stellite 694 Alloy data sheet for additional information.

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