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A201.0 Aluminum vs. ASTM B596 Au-Cu

A201.0 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 (12, 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 A201.0 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, % 4.7
4.3 to 17
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 480
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 390
77
Melting Completion (Liquidus), °C 650
1060
Melting Onset (Solidus), °C 570
930
Specific Heat Capacity, J/kg-K 880
150
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
14
Electrical Conductivity: Equal Weight (Specific), % IACS 90
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 46
8.5
Strength to Weight: Axial, points 44
6.8 to 9.4
Strength to Weight: Bending, points 45
7.1 to 8.8
Thermal Shock Resistance, points 21
22 to 30

Alloy Composition

Aluminum (Al), % 93.7 to 95.5
0
Copper (Cu), % 4.0 to 5.0
9.0 to 11
Gold (Au), % 0
89 to 91
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0.2 to 0.4
0
Silicon (Si), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.35
0
Residuals, % 0
0 to 0.4