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2007 Aluminum vs. AWS BAu-3

2007 aluminum belongs to the aluminum alloys classification, while AWS BAu-3 belongs to the otherwise unclassified metals. 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 2007 aluminum and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 370 to 420
220

Thermal Properties

Latent Heat of Fusion, J/g 390
160
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 510
970
Specific Heat Capacity, J/kg-K 870
300
Thermal Expansion, µm/m-K 23
16

Otherwise Unclassified Properties

Density, g/cm3 3.1
13

Common Calculations

Stiffness to Weight: Axial, points 13
5.0
Stiffness to Weight: Bending, points 44
13
Strength to Weight: Axial, points 33 to 38
4.9
Strength to Weight: Bending, points 37 to 40
6.4
Thermal Shock Resistance, points 16 to 19
8.7

Alloy Composition

Aluminum (Al), % 87.5 to 95
0
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.6
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 0 to 0.8
0
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0
Nickel (Ni), % 0 to 0.2
2.5 to 3.5
Silicon (Si), % 0 to 0.8
0
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.15