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	Original Value	Comments

Density	8.83 g/cc

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

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000410 ohm-cm	42% IACS

Thermal Properties	Original Value	Comments
CTE, linear	18.4 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	180 W/m-K @Temperature 20.0 °C
Melting Point	1010 - 1040 °C
Solidus	1010 °C
Liquidus	1040 °C
Annealing Point	800 - 1200 °F

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

References for this datasheet.

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MC31400b1 / 11158

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