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AWS E308Mo vs. 4007 Aluminum

AWS E308Mo belongs to the iron alloys classification, while 4007 aluminum belongs to the aluminum 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 AWS E308Mo and the bottom bar is 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 40
5.1 to 23
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
27
Tensile Strength: Ultimate (UTS), MPa 620
130 to 160

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Melting Completion (Liquidus), °C 1440
650
Melting Onset (Solidus), °C 1400
590
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 16
170
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
42
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.5
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 3.8
8.1
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 160
1160

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 22
12 to 15
Strength to Weight: Bending, points 20
20 to 23
Thermal Diffusivity, mm2/s 4.2
67
Thermal Shock Resistance, points 16
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.6
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 21
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0 to 0.75
0 to 0.2
Iron (Fe), % 59.6 to 70.5
0.4 to 1.0
Magnesium (Mg), % 0
0 to 0.2
Manganese (Mn), % 0.5 to 2.5
0.8 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 12
0.15 to 0.7
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
1.0 to 1.7
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15