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7049 Aluminum vs. AWS E310

7049 aluminum belongs to the aluminum alloys classification, while AWS E310 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 7049 aluminum and the bottom bar is AWS E310.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 6.2 to 7.0
34
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 510 to 530
620

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Melting Completion (Liquidus), °C 640
1400
Melting Onset (Solidus), °C 480
1360
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 130
14
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.1
4.6
Embodied Energy, MJ/kg 140
65
Embodied Water, L/kg 1110
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 46 to 47
22
Strength to Weight: Bending, points 46 to 47
20
Thermal Diffusivity, mm2/s 51
3.7
Thermal Shock Resistance, points 22 to 23
15

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Carbon (C), % 0
0.080 to 0.2
Chromium (Cr), % 0.1 to 0.22
25 to 28
Copper (Cu), % 1.2 to 1.9
0 to 0.75
Iron (Fe), % 0 to 0.35
44.5 to 53.9
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
1.0 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
20 to 22.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0 to 0.15
0