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ASTM B541 Gold vs. EN AC-43200 Aluminum

ASTM B541 gold belongs to the otherwise unclassified metals classification, while EN AC-43200 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 ASTM B541 gold and the bottom bar is EN AC-43200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 6.0 to 14
1.1
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 38
27
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
190 to 260
Tensile Strength: Yield (Proof), MPa 480 to 900
97 to 220

Thermal Properties

Latent Heat of Fusion, J/g 90
540
Melting Completion (Liquidus), °C 1110
600
Melting Onset (Solidus), °C 930
590
Specific Heat Capacity, J/kg-K 170
900
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7 to 12
34
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0 to 6.2
120

Otherwise Unclassified Properties

Density, g/cm3 17
2.6

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
1.8 to 2.7
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
66 to 330
Stiffness to Weight: Axial, points 3.4
15
Stiffness to Weight: Bending, points 9.0
54
Strength to Weight: Axial, points 11 to 19
20 to 28
Strength to Weight: Bending, points 9.8 to 14
28 to 35
Thermal Shock Resistance, points 36 to 63
8.8 to 12

Alloy Composition

Aluminum (Al), % 0
86.1 to 90.8
Copper (Cu), % 13.5 to 15.5
0 to 0.35
Gold (Au), % 70.5 to 72.5
0
Iron (Fe), % 0
0 to 0.65
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.15
Platinum (Pt), % 8.0 to 9.0
0
Silicon (Si), % 0
9.0 to 11
Silver (Ag), % 4.0 to 5.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.7 to 1.3
0 to 0.35
Residuals, % 0
0 to 0.15