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UNS C69400
Category Copper Alloy
Class Wrought
Type Silicon red brass
Common Names Copper-zinc brass
Designations United States: UNS C69400

Composition
ElementWeight %
Cu  81.5 
Zn  14.5 
Si  4.0 

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) 552-689 25  (rod) 
Yield Strength (Mpa) 276-393
Elongation (%) 25 
Reduction in Area (%)  
Note: Elongation is measured in 20 inches.
Glossary