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UNS C77000
Category Copper Alloy
Class Wrought
Type Nickel silver copper, 55-18
Designations United States: UNS C77000

Composition
ElementWeight %
Cu  55.0 
Zn  27.0 
Ni  18.0 

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) 414-1000 25  (flat products, rod, wire) 
Yield Strength (Mpa) 186-621
Elongation (%) 40 
Reduction in Area (%)  
Glossary