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Master Bond adhesives

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Ametek AM 388™ Alloy (UNS C72650) TD04 Hard
Categories: Metal; Nonferrous Metal; Copper Alloy

Material Notes: Information supplied by Ametek Specialty Metal Products Division.

Copper base Spinodal alloy with high conductivity and high strength. Outstanding performance for contacts in connectors, sockets and switches.

Benefits include combination of high strength and formability, high conductivity, available in mill hardened or age hardenable tempers, no distortion during aging, no fixturing required, excellent solderability and resistance to stress relaxation during high temperature (over 400°F, 200°C) soldering, fine grain size, excellent corrosion resistance bare and easy to plate when required, low initial cost, and additional savings during processing.

Aging Temperature/Time 700°F-725°F (370°C-385°C)/1.5-3 hrs.

Key Words: Copper Alloy
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Physical PropertiesOriginal ValueComments
Density 8.87 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Vickers 200 - 240
Tensile Strength, Ultimate 586 - 655 MPa
Tensile Strength, Yield 551 - 620 MPa
@Strain 0.2 %
Elongation at Break 2.0 - 5.0 %typical
Modulus of Elasticity 124 GPa
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000115 - 0.0000123 ohm-cmConductivity 14 - 15% IACS
 
Component Elements PropertiesOriginal ValueComments
Copper, Cu 87 %as balance
Nickel, Ni 7.0 - 8.0 %
Other <= 0.50 %
Tin, Sn 4.5 - 5.5 %

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