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1080A Aluminum vs. AWS E385

1080A aluminum belongs to the aluminum alloys classification, while AWS E385 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1080A aluminum and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 2.3 to 34
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 74 to 140
580

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 640
1390
Specific Heat Capacity, J/kg-K 900
460
Thermal Conductivity, W/m-K 230
14
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 200
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.3
5.8
Embodied Energy, MJ/kg 160
79
Embodied Water, L/kg 1200
200

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.6 to 15
20
Strength to Weight: Bending, points 14 to 22
19
Thermal Diffusivity, mm2/s 94
3.6
Thermal Shock Resistance, points 3.3 to 6.4
15

Alloy Composition

Aluminum (Al), % 99.8 to 100
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 0 to 0.030
1.2 to 2.0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
41.8 to 50.1
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
1.0 to 2.5
Molybdenum (Mo), % 0
4.2 to 5.2
Nickel (Ni), % 0
24 to 26
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 0.9
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.060
0