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CMW® ELKONITE® 40W3 Infiltrated Tungsten Copper material ASTM B702

Category Metal , Metal Matrix Composite , Nonferrous Metal , Refractory Metal , Tungsten Alloy
Manufacturer CMW Inc.
Trade Name ELKONITE®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF CMW® ELKONITE® 40W3 Infiltrated Tungsten Copper material ASTM B702.pdf
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Material Notes:
For vacuum switch contacts, low expansion structural members.Information provided by CMW Inc.
Physical Properties Metric English Comments
Density 16.64 g/cc
0.6012 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 25
25
Flexural Modulus 1.14 GPa
165 ksi
Thermal Properties Metric English Comments
Thermal Conductivity 135 W/m-K
937 BTU-in/hr-ft²-°F
Melting Point 1080 - 3410 °C
1980 - 6170 °F
Solidus 1080 °C
1980 °F
Liquidus 3410 °C
6170 °F
Component Elements Properties Metric English Comments
Copper, Cu 13 %
13 %
Tungsten, W 87 %
87 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000466 ohm-cm
0.00000466 ohm-cm
(37% IACS)
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