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7005 Aluminum vs. AWS E308Mo

7005 aluminum belongs to the aluminum alloys classification, while AWS E308Mo 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 7005 aluminum and the bottom bar is AWS E308Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 10 to 20
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 200 to 400
620

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 610
1400
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 140 to 170
16
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 8.3
3.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1150
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 19 to 38
22
Strength to Weight: Bending, points 26 to 41
20
Thermal Diffusivity, mm2/s 54 to 65
4.2
Thermal Shock Resistance, points 8.7 to 18
16

Alloy Composition

Aluminum (Al), % 91 to 94.7
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.060 to 0.2
18 to 21
Copper (Cu), % 0 to 0.1
0 to 0.75
Iron (Fe), % 0 to 0.4
59.6 to 70.5
Magnesium (Mg), % 1.0 to 1.8
0
Manganese (Mn), % 0.2 to 0.7
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.010 to 0.060
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.15
0