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771.0 Aluminum vs. AWS E80C-B6

771.0 aluminum belongs to the aluminum alloys classification, while AWS E80C-B6 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 771.0 aluminum and the bottom bar is AWS E80C-B6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 1.7 to 6.5
19
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
74
Tensile Strength: Ultimate (UTS), MPa 250 to 370
630
Tensile Strength: Yield (Proof), MPa 210 to 350
530

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 620
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140 to 150
39
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 82
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.7
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.8
Embodied Energy, MJ/kg 150
25
Embodied Water, L/kg 1130
71

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
730
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 23 to 35
22
Strength to Weight: Bending, points 29 to 39
21
Thermal Diffusivity, mm2/s 54 to 58
11
Thermal Shock Resistance, points 11 to 16
18

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.060 to 0.2
4.5 to 6.0
Copper (Cu), % 0 to 0.1
0 to 0.35
Iron (Fe), % 0 to 0.15
90.1 to 94.4
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
0.4 to 1.0
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.15
0.25 to 0.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.1 to 0.2
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0
0 to 0.5