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AWS E318 vs. 2014A Aluminum

AWS E318 belongs to the iron alloys classification, while 2014A 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 E318 and the bottom bar is 2014A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 29
6.2 to 16
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
27
Tensile Strength: Ultimate (UTS), MPa 620
210 to 490

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
510
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
37
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 4.4
8.1
Embodied Energy, MJ/kg 62
150
Embodied Water, L/kg 160
1140

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 22
19 to 45
Strength to Weight: Bending, points 20
26 to 46
Thermal Diffusivity, mm2/s 4.0
55
Thermal Shock Resistance, points 16
9.0 to 22

Alloy Composition

Aluminum (Al), % 0
90.8 to 95
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 20
0 to 0.1
Copper (Cu), % 0 to 0.75
3.9 to 5.0
Iron (Fe), % 57.6 to 69.5
0 to 0.5
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 0.5 to 2.5
0.4 to 1.2
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 11 to 14
0 to 0.1
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.5 to 0.9
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15