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UNS C87900
Category Copper Alloy
Class Cast
Type Silicon brass
Designations United States: UNS C87900, ASTM B176

Composition
ElementWeight %
Cu  65 
Zn  34 
Si  1 

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  (die casting) 
Yield Strength (Mpa) 241 
Elongation (%) 25 
Reduction in Area (%)  
Hardness (HRB) 70  25  (as cast) 
Glossary