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UNS C71000
Category Copper Alloy
Class Wrought
Type Copper nickel, 20%
Designations United States: UNS C71000

Composition
ElementWeight %
Cu  79.0 
Ni  21.0 

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) 338-655 25  (flat products, wire, tube) 
Yield Strength (Mpa) 90-586
Elongation (%) 40 
Reduction in Area (%)  
Note: Elongation is measured in 3 inches.
Glossary