Copper, UNS C15720

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Copper, UNS C15720
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Excellent cold workability. Fabricated by extrusion, drawing, rolling, impacting, heading, swaging, bending, machining, blanking. Applications: relay and switch springs, lead frames, contact supports, heat sinks, circuit breaker parts, rotor bars, resistance welding electrodes and wheels, connectors, high strength high temperature parts. Available as flat products and rod.
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Physical Properties	Metric	English	Comments

Density	8.81 g/cc	0.318 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	462 - 614 MPa	67000 - 89100 psi
Tensile Strength, Yield	365 - 586 MPa	52900 - 85000 psi	Depending on temper
Elongation at Break	20 %	20 %	in 88.9 mm.
Modulus of Elasticity	113 GPa	16400 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000190 ohm-cm	0.00000190 ohm-cm	89% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	19.6 µm/m-°C @Temperature 20.0 - 300 °C	10.9 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	353 W/m-K	2450 BTU-in/hr-ft²-°F
Melting Point	<= 1080 °C	<= 1980 °F
Solidus	1083 °C	1981 °F
Liquidus	1080 °C	1980 °F
Annealing Point	649 - 982 °C	1200 - 1800 °F

Component Elements Properties	Metric	English	Comments
Al2O3	0.35 - 0.45 %	0.35 - 0.45 %
Copper, Cu	99.49 - 99.6 %	99.49 - 99.6 %	Specified
Iron, Fe	<= 0.010 %	<= 0.010 %
Lead, Pb	<= 0.010 %	<= 0.010 %
Oxygen, O	<= 0.040 %	<= 0.040 %	Excluding Al2O3

References for this datasheet.

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MC15720b1 / 10682

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