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711.0 Aluminum vs. ASTM B596 Au-Cu

711.0 aluminum belongs to the aluminum alloys classification, while ASTM B596 Au-Cu belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 711.0 aluminum and the bottom bar is ASTM B596 Au-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 7.8
4.3 to 17
Poisson's Ratio 0.32
0.41
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 220
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 380
77
Melting Completion (Liquidus), °C 640
1060
Melting Onset (Solidus), °C 610
930
Specific Heat Capacity, J/kg-K 860
150
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
14
Electrical Conductivity: Equal Weight (Specific), % IACS 120
6.7

Otherwise Unclassified Properties

Density, g/cm3 3.0
18

Common Calculations

Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 45
8.5
Strength to Weight: Axial, points 20
6.8 to 9.4
Strength to Weight: Bending, points 26
7.1 to 8.8
Thermal Shock Resistance, points 9.3
22 to 30

Alloy Composition

Aluminum (Al), % 89.8 to 92.7
0
Copper (Cu), % 0.35 to 0.65
9.0 to 11
Gold (Au), % 0
89 to 91
Iron (Fe), % 0.7 to 1.4
0
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0
0 to 0.4