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1200 Aluminum vs. AWS BAg-9

1200 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 (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 1200 aluminum and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
82
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
31
Tensile Strength: Ultimate (UTS), MPa 85 to 180
140

Thermal Properties

Latent Heat of Fusion, J/g 400
130
Melting Completion (Liquidus), °C 660
720
Melting Onset (Solidus), °C 650
670
Specific Heat Capacity, J/kg-K 900
290
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Density, g/cm3 2.7
9.6
Embodied Energy, MJ/kg 150
980

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 50
15
Strength to Weight: Axial, points 8.7 to 19
4.1
Strength to Weight: Bending, points 16 to 26
6.3
Thermal Shock Resistance, points 3.8 to 8.1
6.0

Alloy Composition

Aluminum (Al), % 99 to 100
0
Copper (Cu), % 0 to 0.050
19 to 21
Iron (Fe), % 0 to 1.0
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
64 to 66
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
13 to 17
Residuals, % 0
0 to 0.15