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3104 Aluminum vs. AWS ER120S-1

3104 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 (3, 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 3104 aluminum and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 1.1 to 20
17
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 170 to 310
930
Tensile Strength: Yield (Proof), MPa 68 to 270
830

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
46
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 130
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.2
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.4
1.9
Embodied Energy, MJ/kg 150
25
Embodied Water, L/kg 1180
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 60
150
Resilience: Unit (Modulus of Resilience), kJ/m3 34 to 540
1850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 17 to 31
33
Strength to Weight: Bending, points 25 to 37
27
Thermal Diffusivity, mm2/s 64
13
Thermal Shock Resistance, points 7.6 to 13
27

Alloy Composition

Aluminum (Al), % 95.1 to 98.4
0 to 0.1
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
0 to 0.6
Copper (Cu), % 0.050 to 0.25
0 to 0.25
Gallium (Ga), % 0 to 0.050
0
Iron (Fe), % 0 to 0.8
92.4 to 96.1
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 0.8 to 1.4
1.4 to 1.8
Molybdenum (Mo), % 0
0.3 to 0.65
Nickel (Ni), % 0
2.0 to 2.8
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0.25 to 0.6
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0 to 0.1
Vanadium (V), % 0 to 0.050
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5