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7003 Aluminum vs. AWS E80C-B8

7003 aluminum belongs to the aluminum alloys classification, while AWS E80C-B8 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 7003 aluminum and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 11
19
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 350 to 390
620
Tensile Strength: Yield (Proof), MPa 300 to 310
540

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 510
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 150
25
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.1
2.1
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1140
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
110
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
740
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 33 to 37
22
Strength to Weight: Bending, points 37 to 40
21
Thermal Diffusivity, mm2/s 59
6.9
Thermal Shock Resistance, points 15 to 17
17

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.2
8.0 to 10.5
Copper (Cu), % 0 to 0.2
0 to 0.35
Iron (Fe), % 0 to 0.35
85.5 to 90.6
Magnesium (Mg), % 0.5 to 1.0
0
Manganese (Mn), % 0 to 0.3
0.4 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.3
0.25 to 0.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 5.0 to 6.5
0
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.5