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AWS BAg-2a vs. 712.0 Aluminum

AWS BAg-2a belongs to the otherwise unclassified metals classification, while 712.0 aluminum belongs to the aluminum alloys. There are 17 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 AWS BAg-2a and the bottom bar is 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
70
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 31
27
Tensile Strength: Ultimate (UTS), MPa 170
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 130
380
Melting Completion (Liquidus), °C 710
640
Melting Onset (Solidus), °C 610
610
Specific Heat Capacity, J/kg-K 310
870
Thermal Expansion, µm/m-K 23
24

Otherwise Unclassified Properties

Density, g/cm3 8.8
3.0
Embodied Carbon, kg CO2/kg material 30
8.0
Embodied Energy, MJ/kg 470
150

Common Calculations

Stiffness to Weight: Axial, points 5.2
13
Stiffness to Weight: Bending, points 17
46
Strength to Weight: Axial, points 5.4
24 to 25
Strength to Weight: Bending, points 7.8
30 to 31
Thermal Shock Resistance, points 6.5
11

Alloy Composition

Aluminum (Al), % 0
90.7 to 94
Cadmium (Cd), % 19 to 21
0
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 26 to 28
0 to 0.25
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 0
0.5 to 0.65
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 29 to 31
0
Titanium (Ti), % 0
0.15 to 0.25
Zinc (Zn), % 21 to 25
5.0 to 6.5
Residuals, % 0
0 to 0.2