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UNS C94500
Category Copper Alloy
Class Cast
Type High-leaded tin bronze
Designations United States: UNS C94500, ASTM B66

Composition
ElementWeight %
Cu  73 
Sn  7 
Pb  20 

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) 172  25  (castings: centrifugal, sand) 
Yield Strength (Mpa) 83 
Elongation (%) 12 
Reduction in Area (%)  
Hardness (HB500) 50  25  (as cast) 
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