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AWS BAg-37 vs. 308.0 Aluminum

AWS BAg-37 belongs to the otherwise unclassified metals classification, while 308.0 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-37 and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
73
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 36
27
Tensile Strength: Ultimate (UTS), MPa 180
190

Thermal Properties

Latent Heat of Fusion, J/g 150
470
Melting Completion (Liquidus), °C 780
620
Melting Onset (Solidus), °C 690
540
Specific Heat Capacity, J/kg-K 350
870
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Density, g/cm3 8.5
2.9
Embodied Carbon, kg CO2/kg material 26
7.7
Embodied Energy, MJ/kg 410
140

Common Calculations

Stiffness to Weight: Axial, points 6.1
14
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 5.9
18
Strength to Weight: Bending, points 8.3
25
Thermal Shock Resistance, points 6.6
9.2

Alloy Composition

Aluminum (Al), % 0
85.7 to 91
Copper (Cu), % 39 to 41
4.0 to 5.0
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Silicon (Si), % 0
5.0 to 6.0
Silver (Ag), % 24 to 26
0
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 31 to 35
0 to 1.0
Residuals, % 0
0 to 0.5