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5056 Aluminum vs. AWS BVAu-2

5056 aluminum belongs to the aluminum alloys classification, while AWS BVAu-2 belongs to the otherwise unclassified metals. 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 5056 aluminum and the bottom bar is AWS BVAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
100
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 25
36
Tensile Strength: Ultimate (UTS), MPa 290 to 460
150

Thermal Properties

Latent Heat of Fusion, J/g 400
92
Melting Completion (Liquidus), °C 640
890
Melting Onset (Solidus), °C 570
890
Specific Heat Capacity, J/kg-K 910
180
Thermal Expansion, µm/m-K 24
15

Otherwise Unclassified Properties

Density, g/cm3 2.7
17

Common Calculations

Stiffness to Weight: Axial, points 14
3.3
Stiffness to Weight: Bending, points 51
9.1
Strength to Weight: Axial, points 30 to 48
2.4
Strength to Weight: Bending, points 36 to 50
3.6
Thermal Shock Resistance, points 13 to 20
7.1

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
19.5 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0
0 to 0.0020
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
0
Phosphorus (P), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.3
0
Zinc (Zn), % 0 to 0.1
0 to 0.0010
Residuals, % 0 to 0.15
0