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380.0 Aluminum vs. AWS ER120S-1

380.0 aluminum belongs to the aluminum alloys classification, while AWS ER120S-1 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 380.0 aluminum and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
17
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
73
Tensile Strength: Ultimate (UTS), MPa 320
930
Tensile Strength: Yield (Proof), MPa 160
830

Thermal Properties

Latent Heat of Fusion, J/g 510
260
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 100
46
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 83
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.2
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
1.9
Embodied Energy, MJ/kg 140
25
Embodied Water, L/kg 1040
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
150
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 31
33
Strength to Weight: Bending, points 36
27
Thermal Diffusivity, mm2/s 40
13
Thermal Shock Resistance, points 14
27

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0 to 0.1
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
0 to 0.6
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 0 to 2.0
92.4 to 96.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
1.4 to 1.8
Molybdenum (Mo), % 0
0.3 to 0.65
Nickel (Ni), % 0 to 0.5
2.0 to 2.8
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 7.5 to 9.5
0.25 to 0.6
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 0 to 3.0
0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5