Leaded Commercial Bronze, UNS C31400, OS050 Temper, Rod

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Leaded Commercial Bronze, UNS C31400, OS050 Temper, Rod
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Temper: Nominal Grain Size 0.050 mm Fabrication Properties: Excellent Suitability – Soldering; Good Suitability – Brazing, Capacity for Being Cold Worked; Fair Suitability – Butt Weld; Poor Suitability – Capacity for Being Hot Formed Typical uses: Door Knobs; Connectors for Wire and Cable; Electrical Plug Type Connectors; Nuts; Screws; Pickling Crates; Pickling Fixtures; Pickling Racks; Screw Machine Parts Applicable Specifications: Bar – ASTM B140/B140M; Rod – ASTM B140/B140M; Shapes - ASTM B140/B140M; Valves – MILITARY MIL-V-18436
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Physical Properties	Original Value	Comments

Density	0.319 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell F	55 @Thickness 25.4 mm
Tensile Strength	37.0 ksi @Thickness 25.4 mm
Tensile Strength, Yield	12.0 ksi @Thickness 25.4 mm	0.5% Ext
Elongation at Break	45 % @Thickness 25.4 mm
Tensile Modulus	17000 ksi
Modulus of Rigidity	6400 ksi
Poissons Ratio	0.33	Calculated
Machinability	80 %
Shear Strength	24.0 ksi @Thickness 25.4 mm

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

Thermal Properties	Original Value	Comments
CTE, linear	10.2 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	104 BTU-in/hr-ft²-°F
Melting Point	1850 - 1900 °F
Solidus	1850 °F
Liquidus	1900 °F
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 %
Zinc, Zn	6.2 - 11.2 %	As Balance

References for this datasheet.

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MC31400x1 / 292907

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