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1080 Aluminum vs. ASTM B541 Gold

1080 aluminum belongs to the aluminum alloys classification, while ASTM B541 gold belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, 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 1080 aluminum and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.6 to 40
6.0 to 14
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 26
38
Shear Strength, MPa 49 to 78
410 to 690
Tensile Strength: Ultimate (UTS), MPa 72 to 130
670 to 1180
Tensile Strength: Yield (Proof), MPa 17 to 120
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 400
90
Melting Completion (Liquidus), °C 640
1110
Melting Onset (Solidus), °C 640
930
Specific Heat Capacity, J/kg-K 900
170
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
7.7 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 200
4.0 to 6.2

Otherwise Unclassified Properties

Density, g/cm3 2.7
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.7 to 21
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
1090 to 3830
Stiffness to Weight: Axial, points 14
3.4
Stiffness to Weight: Bending, points 50
9.0
Strength to Weight: Axial, points 7.4 to 14
11 to 19
Strength to Weight: Bending, points 14 to 22
9.8 to 14
Thermal Shock Resistance, points 3.2 to 6.0
36 to 63

Alloy Composition

Aluminum (Al), % 99.8 to 100
0
Copper (Cu), % 0 to 0.030
13.5 to 15.5
Gallium (Ga), % 0 to 0.030
0
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0
Platinum (Pt), % 0
8.0 to 9.0
Silicon (Si), % 0 to 0.15
0
Silver (Ag), % 0
4.0 to 5.0
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0.7 to 1.3
Residuals, % 0
0 to 0.4

Comparable Variants