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AWS BAg-13a vs. 7075 Aluminum

AWS BAg-13a belongs to the otherwise unclassified metals classification, while 7075 aluminum belongs to the aluminum alloys. 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 AWS BAg-13a and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
70
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 34
26
Tensile Strength: Ultimate (UTS), MPa 180
240 to 590

Thermal Properties

Latent Heat of Fusion, J/g 160
380
Melting Completion (Liquidus), °C 890
640
Melting Onset (Solidus), °C 770
480
Specific Heat Capacity, J/kg-K 300
870
Thermal Expansion, µm/m-K 19
23

Otherwise Unclassified Properties

Density, g/cm3 9.8
3.0
Embodied Carbon, kg CO2/kg material 54
8.3
Embodied Energy, MJ/kg 850
150

Common Calculations

Stiffness to Weight: Axial, points 5.2
13
Stiffness to Weight: Bending, points 15
46
Strength to Weight: Axial, points 5.1
22 to 54
Strength to Weight: Bending, points 7.2
28 to 52
Thermal Shock Resistance, points 7.5
10 to 25

Alloy Composition

Aluminum (Al), % 0
86.9 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 40.4 to 43.5
1.2 to 2.0
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 1.5 to 2.5
0
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 55 to 57
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15