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UNS C97800
Category Copper Alloy
Class Cast
Type Nickel silver copper
Designations United States: UNS C97800, ASTM B584

Composition
ElementWeight %
Cu  66 
Sn  5 
Pb  2 
Ni  25 
Zn  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) 379  25  (castings: investment, permanent mold, sand) 
Yield Strength (Mpa) 207 
Elongation (%) 15 
Reduction in Area (%)  
Hardness (HB) 130  25  (as cast) 
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