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296.0 Aluminum vs. AWS BAu-5

296.0 aluminum belongs to the aluminum alloys classification, while AWS BAu-5 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 296.0 aluminum and the bottom bar is AWS BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
140
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 27
50
Tensile Strength: Ultimate (UTS), MPa 260 to 270
210

Thermal Properties

Latent Heat of Fusion, J/g 420
180
Melting Completion (Liquidus), °C 630
1170
Melting Onset (Solidus), °C 540
1140
Specific Heat Capacity, J/kg-K 870
280
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 3.0
13

Common Calculations

Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 46
13
Strength to Weight: Axial, points 24 to 25
4.5
Strength to Weight: Bending, points 30 to 31
6.0
Thermal Shock Resistance, points 12
9.0

Alloy Composition

Aluminum (Al), % 89 to 94
0
Copper (Cu), % 4.0 to 5.0
0
Gold (Au), % 0
29.5 to 30.5
Iron (Fe), % 0 to 1.2
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.35
35.5 to 36.4
Palladium (Pd), % 0
33.5 to 34.5
Silicon (Si), % 2.0 to 3.0
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.15