eFunda: Properties of Aluminum Alloy AA 6061
engineering fundamentals Aluminum Alloy AA 6061
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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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Materials

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AA 6061
Category Aluminum Alloy
Class Wrought

Composition

ElementWeight %
Al  97.9 
Si  0.60 
Cu  0.28 
Mg  1.0 
Cr  0.20 

Mechanical Properties

Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 2.7 25  
Poisson's Ratio 0.33 25  
Elastic Modulus (GPa) 70-80 25  
Tensile Strength (Mpa) 115  25  O (Alclad) more
Yield Strength (Mpa) 48 
Elongation (%) 25 
Reduction in Area (%)  
Hardness (HB500) 30  25  more
Shear Strength (MPa) 83  25  O  more
Fatigue Strength (MPa) 62  25  O  more

Thermal Properties

Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 23.4  20-100  
Thermal Conductivity (W/m-K) 180  25  more

Electric Properties

Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 37  25  more
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