Leaded commercial bronze, UNS C31400, OS061 Temper

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Leaded commercial bronze, UNS C31400, OS061 Temper
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
Hardness, Rockwell F	55	55
Tensile Strength, Ultimate	255 MPa	37000 psi
Tensile Strength, Yield	83.0 MPa @Strain 0.5 %	12000 psi @Strain 0.5 %
Elongation at Break	45 %	45 %	In 50 mm, 70% reduction in area
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
Shear Strength	165 MPa	23900 psi	Rod, typical

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000410 ohm-cm @Temperature 20.0 °C	0.00000410 ohm-cm @Temperature 68.0 °F

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	0.375 J/g-°C	0.0896 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

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 650 °C	797 - 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.

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MC31400b2 / 11159

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