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2017A Aluminum vs. AWS E70C-B2L

2017A aluminum belongs to the aluminum alloys classification, while AWS E70C-B2L 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 2017A aluminum and the bottom bar is AWS E70C-B2L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 2.2 to 14
21
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 200 to 460
580
Tensile Strength: Yield (Proof), MPa 110 to 290
460

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 510
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 150
39
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.0
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 1140
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.7 to 53
110
Resilience: Unit (Modulus of Resilience), kJ/m3 90 to 570
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 19 to 42
20
Strength to Weight: Bending, points 26 to 44
20
Thermal Diffusivity, mm2/s 56
11
Thermal Shock Resistance, points 8.9 to 20
17

Alloy Composition


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Aluminum (Al), % 91.3 to 95.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
1.0 to 1.5
Copper (Cu), % 3.5 to 4.5
0 to 0.35
Iron (Fe), % 0 to 0.7
95.1 to 98
Magnesium (Mg), % 0.4 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0.4 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.65
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.2 to 0.8
0.25 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.5