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AWS BAu-4 vs. EN AC-46500 Aluminum

AWS BAu-4 belongs to the otherwise unclassified metals classification, while EN AC-46500 aluminum belongs to the aluminum alloys. There are 15 material properties with values for both materials. Properties with values for just one material (16, 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 AWS BAu-4 and the bottom bar is EN AC-46500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
74
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 41
28
Tensile Strength: Ultimate (UTS), MPa 200
270

Thermal Properties

Latent Heat of Fusion, J/g 100
520
Melting Completion (Liquidus), °C 950
610
Melting Onset (Solidus), °C 950
520
Specific Heat Capacity, J/kg-K 190
880
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Density, g/cm3 17
2.9

Common Calculations

Stiffness to Weight: Axial, points 3.6
14
Stiffness to Weight: Bending, points 9.3
49
Strength to Weight: Axial, points 3.2
26
Strength to Weight: Bending, points 4.4
32
Thermal Shock Resistance, points 9.2
12

Alloy Composition

Aluminum (Al), % 0
77.9 to 90
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
2.0 to 4.0
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 17.4 to 18.5
0 to 0.55
Silicon (Si), % 0
8.0 to 11
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.25