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CMW® ELKONITE® 20S Infiltrated Tungsten Silver Contact Material ASTM B531, Class A, infiltrated

Category Metal , Metal Matrix Composite , Nonferrous Metal , Precious Metal , Silver Alloy , 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® 20S Infiltrated Tungsten Silver Contact Material ASTM B531, Class A, infiltrated.pdf
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Material Notes:
For electrical contacts resistant to arcing and welding in circuit breakers, etc.Information provided by CMW Inc.
Physical Properties Metric English Comments
Density 15.72 g/cc
0.5679 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B 90
90
Flexural Modulus 0.896 GPa
130 ksi
Thermal Properties Metric English Comments
Thermal Conductivity 160 W/m-K
1110 BTU-in/hr-ft²-°F
Melting Point 980 - 3410 °C
1800 - 6170 °F
Solidus 980 °C
1800 °F
Liquidus 3410 °C
6170 °F
Component Elements Properties Metric English Comments
Silver, Ag 27 %
27 %
Tungsten, W 73 %
73 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000352 ohm-cm
0.00000352 ohm-cm
(49% IACS)
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