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UNS C31400
Category Copper Alloy
Class Wrought
Type Leaded commercial bronze
Common Names Copper-zinc brass
Designations United States: UNS C31400

Composition
ElementWeight %
Cu  89.0 
Pb  1.75 
Zn  9.25 

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) 255-414 25  (flat products, rod) 
Yield Strength (Mpa) 83-379
Elongation (%) 45 
Reduction in Area (%)  
Note: Elongation is measured in 10 inches.
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