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AWS E385 vs. 7116 Aluminum

AWS E385 belongs to the iron alloys classification, while 7116 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 E385 and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 34
7.8
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 580
370

Thermal Properties

Latent Heat of Fusion, J/g 300
380
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1390
520
Specific Heat Capacity, J/kg-K 460
880
Thermal Conductivity, W/m-K 14
150
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
46
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
140

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.1
2.9
Embodied Carbon, kg CO2/kg material 5.8
8.2
Embodied Energy, MJ/kg 79
150
Embodied Water, L/kg 200
1150

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 20
35
Strength to Weight: Bending, points 19
39
Thermal Diffusivity, mm2/s 3.6
58
Thermal Shock Resistance, points 15
16

Alloy Composition


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Aluminum (Al), % 0
91.5 to 94.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 1.2 to 2.0
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 41.8 to 50.1
0 to 0.3
Magnesium (Mg), % 0
0.8 to 1.4
Manganese (Mn), % 1.0 to 2.5
0 to 0.050
Molybdenum (Mo), % 4.2 to 5.2
0
Nickel (Ni), % 24 to 26
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.9
0 to 0.15
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
4.2 to 5.2
Residuals, % 0
0 to 0.15