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AWS BVAu-2 vs. 2018 Aluminum

AWS BVAu-2 belongs to the otherwise unclassified metals classification, while 2018 aluminum belongs to the aluminum alloys. There are 15 material properties with values for both materials. Properties with values for just one material (17, 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 BVAu-2 and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
73
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 36
27
Tensile Strength: Ultimate (UTS), MPa 150
420

Thermal Properties

Latent Heat of Fusion, J/g 92
390
Melting Completion (Liquidus), °C 890
640
Melting Onset (Solidus), °C 890
510
Specific Heat Capacity, J/kg-K 180
870
Thermal Expansion, µm/m-K 15
22

Otherwise Unclassified Properties

Density, g/cm3 17
3.1

Common Calculations

Stiffness to Weight: Axial, points 3.3
13
Stiffness to Weight: Bending, points 9.1
45
Strength to Weight: Axial, points 2.4
38
Strength to Weight: Bending, points 3.6
41
Thermal Shock Resistance, points 7.1
19

Alloy Composition

Aluminum (Al), % 0
89.7 to 94.4
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 19.5 to 20.5
3.5 to 4.5
Gold (Au), % 79.5 to 80.5
0
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0 to 0.0020
0
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Phosphorus (P), % 0 to 0.0020
0
Silicon (Si), % 0
0 to 0.9
Zinc (Zn), % 0 to 0.0010
0 to 0.25
Residuals, % 0
0 to 0.15