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5056 Aluminum vs. AWS E309

5056 aluminum belongs to the aluminum alloys classification, while AWS E309 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 5056 aluminum and the bottom bar is AWS E309.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
200
Elongation at Break, % 4.9 to 31
34
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
78
Tensile Strength: Ultimate (UTS), MPa 290 to 460
620

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 570
1370
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.0
3.7
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1180
180

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 30 to 48
22
Strength to Weight: Bending, points 36 to 50
21
Thermal Diffusivity, mm2/s 53
4.0
Thermal Shock Resistance, points 13 to 20
16

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0.050 to 0.2
22 to 25
Copper (Cu), % 0 to 0.1
0 to 0.75
Iron (Fe), % 0 to 0.4
55.8 to 65.5
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0