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A390.0 Aluminum vs. AWS BAg-9

A390.0 aluminum belongs to the aluminum alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. There are 16 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 A390.0 aluminum and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
82
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 28
31
Tensile Strength: Ultimate (UTS), MPa 190 to 290
140

Thermal Properties

Latent Heat of Fusion, J/g 640
130
Melting Completion (Liquidus), °C 580
720
Melting Onset (Solidus), °C 480
670
Specific Heat Capacity, J/kg-K 880
290
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Density, g/cm3 2.7
9.6
Embodied Energy, MJ/kg 140
980

Common Calculations

Stiffness to Weight: Axial, points 15
4.8
Stiffness to Weight: Bending, points 52
15
Strength to Weight: Axial, points 19 to 30
4.1
Strength to Weight: Bending, points 27 to 36
6.3
Thermal Shock Resistance, points 9.0 to 14
6.0

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Copper (Cu), % 4.0 to 5.0
19 to 21
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 16 to 18
0
Silver (Ag), % 0
64 to 66
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
13 to 17
Residuals, % 0
0 to 0.15