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7129 Aluminum vs. AWS E410

7129 Aluminum belongs to the aluminum alloys classification, while AWS E410 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 7129 Aluminum and the bottom bar is AWS E410.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 9.0 to 9.1
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 430
580
Tensile Strength: Yield (Proof), MPa 380 to 390
440

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 510
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 150
28
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.5
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.3
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1150
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 38
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1090
500
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 41
21
Strength to Weight: Bending, points 43 to 44
20
Thermal Diffusivity, mm2/s 58
7.5
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 91 to 94
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0 to 0.1
11 to 13.5
Copper (Cu), % 0.5 to 0.9
0 to 0.75
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
82.2 to 89
Magnesium (Mg), % 1.3 to 2.0
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
0 to 0.7
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
0
Residuals, % 0 to 0.15
0