Leaded Copper, UNS C18700

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Leaded Copper, UNS C18700
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Good cold workability, poor hot workability. Applications: connectors, motor and switch parts, screw machine parts requiring high conductivity. Available as rod.
Key Words:	ISO CuPb1P, CEN CW113C, copper-lead
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Physical Properties	Metric	English	Comments

Density	8.94 g/cc	0.323 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	221 - 379 MPa	32100 - 55000 psi
Tensile Strength, Yield	69.0 - 345 MPa	10000 - 50000 psi	Depending on temper
Elongation at Break	45 %	45 %	in 203.2 mm.
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.30	0.30	Calculated
Machinability	85 %	85 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	44.0 GPa	6380 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000179 ohm-cm @Temperature 20.0 °C	0.00000179 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	17.6 µm/m-°C @Temperature 20.0 - 300 °C	9.78 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.385 J/g-°C	0.0920 BTU/lb-°F
Thermal Conductivity	377 W/m-K @Temperature 20.0 °C	2620 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	950 - 1080 °C	1740 - 1980 °F
Solidus	950 °C	1740 °F
Liquidus	1080 °C	1980 °F
Annealing Point	427 - 649 °C	800 - 1200 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 650 °C	797 - 1200 °F
Hot-Working Temperature	750 - 875 °C	1380 - 1610 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	99 %	99 %
Lead, Pb	0.80 - 1.5 %	0.80 - 1.5 %
Other, total	<= 0.10 %	<= 0.10 %

References for this datasheet.

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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MC18700b1 / 10918

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