Copper, UNS C15735, 64 mm rod, M30 Temper

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Copper, UNS C15735, 64 mm rod, M30 Temper
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Excellent cold workability. Fabricated by extrusion, drawing, heading, impacting, machining. Applications: resistance welding electrodes, circuit breakers, feed-through conductors, heat sinks, motor parts, high-strength high-temperature parts. Test specimen: rod - 64mm diameter; M30 temper. Inactive per the Copper Development Association.
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Physical Properties	Metric	English	Comments

Density	8.80 g/cc	0.318 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	76	76
Tensile Strength, Ultimate	490 MPa	71100 psi	Extrusion ration and temperature dependent
Tensile Strength, Yield	415 MPa @Strain 0.2 %	60200 psi @Strain 0.2 %	extrusion ratio and temperature dependent
Elongation at Break	16 %	16 %	in 50 mm
Modulus of Elasticity	123 GPa	17800 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000203 ohm-cm @Temperature 20.0 °C	0.00000203 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	20.0 µm/m-°C @Temperature 20.0 - 300 °C	11.1 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.420 J/g-°C	0.100 BTU/lb-°F
Thermal Conductivity	339 W/m-K	2350 BTU-in/hr-ft²-°F
Melting Point	<= 1080 °C	<= 1980 °F
Liquidus	1080 °C	1980 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	650 - 925 °C	1200 - 1700 °F

Component Elements Properties	Metric	English	Comments
Al2O3	0.65 - 0.75 %	0.65 - 0.75 %
Copper, Cu	99.19 - 99.35 %	99.19 - 99.35 %	Specified
Iron, Fe	<= 0.010 %	<= 0.010 %
Lead, Pb	<= 0.010 %	<= 0.010 %
Oxygen, O	<= 0.040 %	<= 0.040 %	Excluding Al2O3

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MC15735b5 / 10700

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