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2018 Aluminum vs. AWS E410

2018 aluminum belongs to the aluminum alloys classification, while AWS E410 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 2018 aluminum and the bottom bar is AWS E410.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 9.6
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 420
580
Tensile Strength: Yield (Proof), MPa 310
440

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 510
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 150
28
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.5
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.1
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1130
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
120
Resilience: Unit (Modulus of Resilience), kJ/m3 670
500
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 38
21
Strength to Weight: Bending, points 41
20
Thermal Diffusivity, mm2/s 57
7.5
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 89.7 to 94.4
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0 to 0.1
11 to 13.5
Copper (Cu), % 3.5 to 4.5
0 to 0.75
Iron (Fe), % 0 to 1.0
82.2 to 89
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.2
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 1.7 to 2.3
0 to 0.7
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0