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Elmet Technologies

Weartech International WT-694 Cobalt Hardfacing & Wear Resistant Alloy
Categories: Metal; Nonferrous Metal; Cobalt Alloy

Material Notes:

Information provided by Weartech International

Key Words: PWA 694
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Physical PropertiesMetricEnglishComments
Density 9.04 g/cc0.327 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell C 47 - 5447 - 54
Elongation at Yield 0.00 - 1.0 %0.00 - 1.0 %
Charpy Impact <= 5.42 J<= 4.00 ft-lbAs Cast
 
Thermal PropertiesMetricEnglishComments
CTE, linear 13.7 µm/m-°C7.60 µin/in-°F
Specific Heat Capacity 0.385 J/g-°C0.0920 BTU/lb-°F
Melting Point <= 1274 °C<= 2325 °F
Liquidus 1274 °C2325 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.90 %0.90 %
Chromium, Cr 28 %28 %
Cobalt, Co 43.1 - 46.1 %43.1 - 46.1 %
Iron, Fe <= 3.0 %<= 3.0 %
Nickel, Ni 5.0 %5.0 %
Tungsten, W 19 %19 %
Vanadium, V 1.0 %1.0 %
 
Descriptive Properties
Corrosion Resistance, Hydrochloric Acid Conc. 5.65%<5 mils/yearRT
Corrosion Resistance, Nitric Acid Conc. 25-65%<5 mils/yearRT
Corrosion Resistance, Sulfuric Acid Conc. 5-10%<5 mils/yearRT
Relative Wear PerformanceCold AbrasionExcellent
 CorrosionExcellent
 ErosionExcellent
 Hot AbrasionExcellent
 ImpactNot Recommended
 Metal to MetalGood/Moderate

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NWEART017 / 142554

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