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UNS C90900
Category Copper Alloy
Class Cast
Type Tin bronze
Designations United States: UNS C90900

Composition
ElementWeight %
Cu  87 
Sn  13 

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) 276  25  (castings: centrifugal, sand) 
Yield Strength (Mpa) 138 
Elongation (%) 15 
Reduction in Area (%)  
Hardness (HB500) 90  25  (as cast) 
Glossary