145 Copper Data

Chemical Composition
    Copper (includes gold and tellurium): 99.90% min. Phosphorus: .004 / .012 min. Tellurium: .40 / .70
Fabrication Properties

Soldering - Excellent
Brazing - Good
Oxyacetylene Welding - Fair
Gas Shielded Arc Welding - Fair
Coated Metal Arc Welding - Not Recommended
Spot Weld - Not Recommended
Seam Weld - Not Recommended
Butt Weld - Fair
Capacity for Being Cold Worked - Good
Capacity for Being Hot Formed - Good
Forgeability Rating - 65
Machinability Rating - 85

 

Density 0.323 lb/in3
Hardness, Rockwell B 43
Tensile Strength 42800 psi
Tensile Strength, Yield 39900 psi
Elongation at Break 20 %
Shear Strength 26100 psi
Electrical Resistivity 1.86e-006 ohm-cm
CTE, linear 20°C 9.5 μin/in-°F
CTE, linear 100°C 9.67 μin/in-°F
CTE, linear 250°C 9.89 μin/in-°F
Specific Heat Capacity 0.092 BTU/lb-°F
Thermal Conductivity 2460 BTU-in/hr-ft2-°F
Melting Point 1920 - 1970 °F
Annealing Temperature 797 - 1200 °F
Hot-Working Temperature 1380 - 1610 °F
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