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4007 Aluminum vs. AWS E318

4007 aluminum belongs to the aluminum alloys classification, while AWS E318 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 4007 aluminum and the bottom bar is AWS E318.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.1 to 23
29
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 130 to 160
620

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 590
1400
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
15
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.1
4.4
Embodied Energy, MJ/kg 150
62
Embodied Water, L/kg 1160
160

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 12 to 15
22
Strength to Weight: Bending, points 20 to 23
20
Thermal Diffusivity, mm2/s 67
4.0
Thermal Shock Resistance, points 5.5 to 6.7
16

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.050 to 0.25
17 to 20
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0 to 0.75
Iron (Fe), % 0.4 to 1.0
57.6 to 69.5
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.15 to 0.7
11 to 14
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 1.0 to 1.7
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0