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AWS BAu-2 vs. EN AC-43400 Aluminum

AWS BAu-2 belongs to the otherwise unclassified metals classification, while EN AC-43400 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-2 and the bottom bar is EN AC-43400 aluminum.

AWS BAu-2 (P00800) Filler MetalEN AC-43400 (43400-F, AISi10Mg(Fe)) Cast Aluminum
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
72
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 36
27
Tensile Strength: Ultimate (UTS), MPa 150
270

Thermal Properties

Latent Heat of Fusion, J/g 92
540
Melting Completion (Liquidus), °C 890
600
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 180
900
Thermal Expansion, µm/m-K 15
22

Otherwise Unclassified Properties

Density, g/cm3 17
2.6

Common Calculations

Stiffness to Weight: Axial, points 3.3
15
Stiffness to Weight: Bending, points 9.1
54
Strength to Weight: Axial, points 2.4
29
Strength to Weight: Bending, points 3.6
36
Thermal Shock Resistance, points 7.1
12

Alloy Composition

Aluminum (Al), % 0
86 to 90.8
Copper (Cu), % 19.4 to 20.5
0 to 0.1
Gold (Au), % 79.5 to 80.5
0
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.15
Silicon (Si), % 0
9.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15