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7116 Aluminum vs. AWS E209

7116 aluminum belongs to the aluminum alloys classification, while AWS E209 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 7116 aluminum and the bottom bar is AWS E209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 7.8
17
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 370
770

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 520
1370
Specific Heat Capacity, J/kg-K 880
480
Thermal Expansion, µm/m-K 24
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
21
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
4.4
Embodied Energy, MJ/kg 150
63
Embodied Water, L/kg 1150
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 35
28
Strength to Weight: Bending, points 39
24
Thermal Shock Resistance, points 16
19

Alloy Composition

Aluminum (Al), % 91.5 to 94.5
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 24
Copper (Cu), % 0.5 to 1.1
0 to 0.75
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
51.5 to 64.3
Magnesium (Mg), % 0.8 to 1.4
0
Manganese (Mn), % 0 to 0.050
4.0 to 7.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
9.5 to 12
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0.1 to 0.3
Zinc (Zn), % 4.2 to 5.2
0
Residuals, % 0 to 0.15
0