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UNS C99500
Category Copper Alloy
Class Cast
Type Special alloy
Designations United States: UNS C99500

Composition
ElementWeight %
Cu  87.9 
Ni  4.5 
Fe  4.0 
Al  1.2 
Si  1.2 
Zn  1.2 

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) 483  25  (castings: centrifugal, continuous, sand) 
Yield Strength (Mpa) 276 
Elongation (%) 12 
Reduction in Area (%)  
Hardness (HB500) 145  25  (as cast) 
Glossary