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2117 Aluminum vs. AWS ER80S-D2

2117 aluminum belongs to the aluminum alloys classification, while AWS ER80S-D2 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 2117 aluminum and the bottom bar is AWS ER80S-D2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 26
19
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 300
620
Tensile Strength: Yield (Proof), MPa 170
540

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 150
47
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.6
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 33
21
Thermal Diffusivity, mm2/s 59
13
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 91 to 97.6
0
Carbon (C), % 0
0.070 to 0.12
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 4.5
0 to 0.5
Iron (Fe), % 0 to 0.7
95.2 to 97.4
Magnesium (Mg), % 0.2 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
1.6 to 2.1
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.2 to 0.8
0.5 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5