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CMW® D55F Pre-oxidized Silver Cadmium Oxide Contact Material ASTM B781, Table 3  (discontinued **)
Categories: Metal; Metal Matrix Composite; Nonferrous Metal; Precious Metal; Silver Alloy

Material Notes: This material has been rebranded as NAECOMET® D55F.

For electrical contacts; resistant to welding and high surge currents

Information provided by CMW Inc.

Key Words: CdO
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 10.02 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell F 70 - 9070 (annealed) - 90 (worked)
Tensile Strength, Ultimate 276 MPaAnnealed
 331 MPaWorked
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.00000239 ohm-cm(72% IACS)
 
Thermal PropertiesOriginal ValueComments
Melting Point <= 980 °C
Liquidus 980 °C
 
Component Elements PropertiesOriginal ValueComments
CdO 15 %
Silver, Ag 85 %

**
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CMW® D355F Pre-oxidized Silver Cadmium Oxide Contact Material ASTM B781 Table 3
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CMW® D54 Silver Cadmium Oxide Contact Material ASTM B781, Table 2, Type B
CMW® D54X Post-oxidized Silver Cadmium Oxide Contact Material ASTM B781, Table 3
CMW® D55 Silver Cadmium Oxide Contact Material ASTM B781, Table 2, Type B

NCMW20 / 15939

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