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2017A Aluminum vs. AWS E309LMo

2017A aluminum belongs to the aluminum alloys classification, while AWS E309LMo belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 2017A aluminum and the bottom bar is AWS E309LMo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 2.2 to 14
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 200 to 460
580

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 510
1390
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
22
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.2
4.2
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1140
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 19 to 42
21
Strength to Weight: Bending, points 26 to 44
20
Thermal Diffusivity, mm2/s 56
3.9
Thermal Shock Resistance, points 8.9 to 20
15

Alloy Composition

Aluminum (Al), % 91.3 to 95.5
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0 to 0.1
22 to 25
Copper (Cu), % 3.5 to 4.5
0 to 0.75
Iron (Fe), % 0 to 0.7
53.6 to 63.5
Magnesium (Mg), % 0.4 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0