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Elmet Technologies

Eagle Brass 725 Copper Nickel Tin, Hard
Categories: Metal; Nonferrous Metal; Copper Alloy

Material Notes: Alloy C725 is a moderate strength, low conductivity alloy with excellent bare solderability and corrosion resistance. Applications include electronic parts, springs, connectors and wire wrap terminals.

Information provided by Eagle Brass Company

Key Words: UNS C72500, ASTM B122
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 PropertiesMetricEnglishComments
Density 8.89 g/cc0.321 lb/in³Annealed
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell 30T 66 - 7566 - 75Thickness > 0.020 Inch
Tensile Strength, Ultimate 517 - 621 MPa75000 - 90000 psi
Tensile Strength, Yield 503 - 607 MPa73000 - 88000 psi0.2% offset
Elongation at Break 1.0 - 5.0 %1.0 - 5.0 %in 2 in.
Tensile Modulus 138 GPa20000 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000162 ohm-cm0.0000162 ohm-cmAnnealed
 
Thermal PropertiesMetricEnglishComments
CTE, linear 16.6 µm/m-°C
@Temperature 20.0 - 300 °C
9.20 µin/in-°F
@Temperature 68.0 - 572 °F
Thermal Conductivity 53.6 W/m-K372 BTU-in/hr-ft²-°F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 88.2 %88.2 %
Nickel, Ni 9.5 %9.5 %
Tin, Sn 2.3 %2.3 %

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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NEAGLE189 / 147438

Ensinger PEI

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