Leaded commercial bronze, UNS C31400

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Leaded commercial bronze, UNS C31400
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Good to excellent corrosion resistance. Excellent machinability. Applications: screws, machine parts, pickling racks and fixtures, electrical plug-type connectors, builder's hardware. Available as flat products and rod.
Key Words:	ISO CuZn9Pb2
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Physical Properties	Metric	English	Comments

Density	8.83 g/cc	0.319 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	255 - 414 MPa	37000 - 60000 psi
Tensile Strength, Yield	83.0 - 379 MPa	12000 - 55000 psi	Depending on temper
Elongation at Break	45 %	45 %	in 254 mm.
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.28	0.28	Calculated
Machinability	80 %	80 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	45.0 GPa	6530 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000410 ohm-cm	0.00000410 ohm-cm	42% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	18.4 µm/m-°C @Temperature 20.0 - 300 °C	10.2 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	180 W/m-K @Temperature 20.0 °C	1250 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	1010 - 1040 °C	1850 - 1900 °F
Solidus	1010 °C	1850 °F
Liquidus	1040 °C	1900 °F
Annealing Point	427 - 649 °C	800 - 1200 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	87.5 - 90.5 %	87.5 - 90.5 %
Iron, Fe	<= 0.10 %	<= 0.10 %
Lead, Pb	1.3 - 2.5 %	1.3 - 2.5 %
Nickel, Ni	<= 0.70 %	<= 0.70 %
Other, total	<= 0.50 %	<= 0.50 %
Zinc, Zn	9.25 %	9.25 %

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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MC31400b1 / 11158

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