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7475 Aluminum vs. AWS E80C-Ni2

7475 aluminum belongs to the aluminum alloys classification, while AWS E80C-Ni2 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 7475 aluminum and the bottom bar is AWS E80C-Ni2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 10 to 12
27
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 530 to 590
620
Tensile Strength: Yield (Proof), MPa 440 to 520
540

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 480
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140 to 160
52
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 42
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 98 to 120
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.3
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.6
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 1130
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53 to 68
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1390 to 1920
770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 49 to 55
22
Strength to Weight: Bending, points 48 to 52
21
Thermal Diffusivity, mm2/s 53 to 63
14
Thermal Shock Resistance, points 23 to 26
18

Alloy Composition

Aluminum (Al), % 88.6 to 91.6
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0.18 to 0.25
0
Copper (Cu), % 1.2 to 1.9
0 to 0.35
Iron (Fe), % 0 to 0.12
93.8 to 98.3
Magnesium (Mg), % 1.9 to 2.6
0
Manganese (Mn), % 0 to 0.060
0 to 1.5
Nickel (Ni), % 0
1.8 to 2.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 5.1 to 6.2
0
Residuals, % 0
0 to 0.5