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713.0 Aluminum vs. AWS BAu-2

713.0 aluminum belongs to the aluminum alloys classification, while AWS BAu-2 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, 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 713.0 aluminum and the bottom bar is AWS BAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 240 to 260
150

Thermal Properties

Latent Heat of Fusion, J/g 370
92
Melting Completion (Liquidus), °C 630
890
Melting Onset (Solidus), °C 610
890
Specific Heat Capacity, J/kg-K 860
180
Thermal Expansion, µm/m-K 24
15

Otherwise Unclassified Properties

Density, g/cm3 3.1
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.3
Stiffness to Weight: Bending, points 45
9.1
Strength to Weight: Axial, points 22 to 23
2.4
Strength to Weight: Bending, points 28 to 29
3.6
Thermal Shock Resistance, points 10 to 11
7.1

Alloy Composition

Aluminum (Al), % 87.6 to 92.4
0
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 0.4 to 1.0
19.4 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0 to 1.1
0
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.6
0
Nickel (Ni), % 0 to 0.15
0
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.0 to 8.0
0
Residuals, % 0
0 to 0.15