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UNS C91300
Category Copper Alloy
Class Cast
Type Tin bronze
Designations United States: UNS C91300, ASTM B22

Composition
ElementWeight %
Cu  81 
Sn  19 

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) 241  25  (castings: centrifugal, continuous, permanent mold, sand) 
Yield Strength (Mpa) 207 
Elongation (%) 0.5 
Reduction in Area (%)  
Hardness (HB) 170  25  (as cast) 
Glossary