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7076 Aluminum vs. AWS BAg-2

7076 aluminum belongs to the aluminum alloys classification, while AWS BAg-2 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, 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 7076 aluminum and the bottom bar is AWS BAg-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
82
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
31
Tensile Strength: Ultimate (UTS), MPa 530
180

Thermal Properties

Latent Heat of Fusion, J/g 380
130
Melting Completion (Liquidus), °C 630
700
Melting Onset (Solidus), °C 460
610
Specific Heat Capacity, J/kg-K 860
310
Thermal Expansion, µm/m-K 24
22

Otherwise Unclassified Properties

Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
35
Embodied Energy, MJ/kg 150
550

Common Calculations

Stiffness to Weight: Axial, points 13
5.1
Stiffness to Weight: Bending, points 45
16
Strength to Weight: Axial, points 49
5.6
Strength to Weight: Bending, points 48
7.9
Thermal Shock Resistance, points 23
7.0

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
0
Cadmium (Cd), % 0
17 to 19
Copper (Cu), % 0.3 to 1.0
25 to 27
Iron (Fe), % 0 to 0.6
0
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
34 to 36
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 7.0 to 8.0
19 to 23
Residuals, % 0
0 to 0.15