eFunda: Properties of Aluminum Alloy AA 2618
engineering fundamentals Aluminum Alloy AA 2618
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Wrought:
   AA 1xxx
   AA 2xxx
   AA 3xxx
   AA 4xxx
   AA 5xxx
   AA 6xxx
   AA 7xxx
Cast:
   2xx.0 or x2xx.0
   3xx.0 or x3xx.0
   4xx.0 or x4xx.0
   5xx.0 or x5xx.0
   7xx.0
   8xx.0
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AA 2618
Category Aluminum Alloy
Class Wrought

Composition

ElementWeight %
Al  93.7 
Si  0.18 
Cu  2.30 
Mg  1.60 
Fe  1.1 
Ni  1.0 
Ti  0.07 

Mechanical Properties

Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 2.6-2.8 25  
Poisson's Ratio 0.33 25  
Elastic Modulus (GPa) 70-80 25  
Tensile Strength (Mpa) 440  25  all  
Yield Strength (Mpa) 370 
Elongation (%) 10 
Reduction in Area (%)  
Shear Strength (MPa) 260  25  all  
Fatigue Strength (MPa) 125  25  all  

Thermal Properties

Properties Conditions 
T (°C)Treatment
Thermal Conductivity (W/m-K) 146  25  T61 

Electric Properties

Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 47  25  T61 
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