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UNS C81300
Category Copper Alloy
Class Cast
Type High-copper alloy
Designations United States: UNS C81300

Composition
ElementWeight %
Cu  98.5 (min) 
Be  0.06 
Co  0.80 
others  0.40 (max) 

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) (365)  25  (castings: centrifugal, continuous, investment, permanent mold, plaster, sand) 
Yield Strength (Mpa) (248) 
Elongation (%) (11) 
Reduction in Area (%)  
Note: Values in parentheses indicate responses to heat treatment
Hardness (HB500) (39)  25  (as cast) 
Note: Value in parentheses indicates response to heat treatment.
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