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NAECO® ELKON® 40S Infiltrated Tungsten Silver contact material ASTM B631
Categories: Metal; Metal Matrix Composite; Nonferrous Metal; Precious Metal; Silver Alloy; Refractory Metal; Tungsten Alloy

Material Notes: For arcing and current carrying electrical contacts.

Information provided by NAECO, LLC.

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Physical PropertiesMetricEnglishComments
Density 14.28 g/cc0.5159 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell B 7070
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000297 ohm-cm0.00000297 ohm-cm(58% IACS)
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity 180 W/m-K1250 BTU-in/hr-ft²-°F
Melting Point 980 - 3410 °C1800 - 6170 °F
Solidus 980 °C1800 °F
Liquidus 3410 °C6170 °F
 
Component Elements PropertiesMetricEnglishComments
Silver, Ag 40 %40 %
Tungsten, W 60 %60 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NCMV844 / 192444

Specialty Compounds RTP Company

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