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Copper Alloy UNS C99750


 

UNS C99750

 
Category Copper Alloy
Class Cast
Type Special alloy
Designations United States: UNS C99750

 

Composition

 
Element
Weight %
Cu
58
Al
1
Pb
1
Mn
20
Zn
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) 448(517)
25
(castings: die, investment, permanent mold, plaster, sand)
Yield Strength (Mpa) 152(276)
Elongation (%) 221(276)
Reduction in Area (%)  
Note: Values in parentheses indicate responses to heat treatment
Hardness (HB500) 77(82)
25
(as cast)
Note: Value in parentheses indicates response to heat treatment.