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UNS C12700
Category Copper Alloy
Class Wrought
Type Fire-refined tough pitch copper alloy with silver
Designations United States: UNS C12700

Composition
ElementWeight %
Cu  99.88 
Ag  0.025 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 8.8-8.94 25  
Poisson's Ratio 0.34 25  
Elastic Modulus (GPa) 117 25  
Tensile Strength (Mpa) 221-462 25  (flat products, rod, wire, shapes) 
Yield Strength (Mpa) 69-365
Elongation (%) 55 
Reduction in Area (%)  
Note: Elongation is measured in 4 inches.
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