Leaded Copper, UNS C18700, OS050 Temper, Rod

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Leaded Copper, UNS C18700, OS050 Temper, Rod
Categories:	Metal; Nonferrous Metal; Copper Alloy
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 Common Fabrication Processes: Bending; Cold working; Drawing; Forging; Heading; Hot working; Impacting; Rolling; Swaging Typical uses: Motor Parts; Connectors; Current Carrying Studs; Screw Machine Parts Requiring High Conductivity; Switch Parts; Current Carrying Bolts; Current Carrying Nuts Applicable Specifications: Bar – ASTM B301/B301M; Rod - SAE J463, ASTM B301/B301M, SAE J461; Shapes – ASTM B301/B301M; Wires – ASTM B301/B301M
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Physical Properties	Original Value	Comments

Density	0.323 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell F	40 @Thickness 25.4 mm
Tensile Strength	32.0 ksi @Thickness 25.4 mm
Tensile Strength, Yield	10.0 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	85 %
Shear Strength	22.0 ksi @Thickness 25.4 mm

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000179 ohm-cm	96% IACS

Thermal Properties	Original Value	Comments
CTE, linear	9.80 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0920 BTU/lb-°F
Thermal Conductivity	218 BTU-in/hr-ft²-°F
Melting Point	1747 - 1976 °F
Solidus	1747 °F
Liquidus	1976 °F
Annealing Point	800 - 1200 °F

Processing Properties	Original Value	Comments
Hot-Working Temperature	1400 - 1600 °F

Component Elements Properties	Original Value	Comments
Copper, Cu	>= 99.5 %
Lead, Pb	0.80 - 1.5 %

References for this datasheet.

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MC18700x3 / 292859

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