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3203 Aluminum vs. AWS E409Nb

3203 aluminum belongs to the aluminum alloys classification, while AWS E409Nb 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 3203 aluminum and the bottom bar is AWS E409Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 4.5 to 29
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 110 to 200
500
Tensile Strength: Yield (Proof), MPa 39 to 190
380

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 620
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 170
25
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
13
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.1
2.9
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
110
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 20
18
Strength to Weight: Bending, points 19 to 28
18
Thermal Diffusivity, mm2/s 70
6.8
Thermal Shock Resistance, points 4.9 to 8.8
14

Alloy Composition

Aluminum (Al), % 96.9 to 99
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
11 to 14
Copper (Cu), % 0 to 0.050
0 to 0.75
Iron (Fe), % 0 to 0.7
80.2 to 88.5
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
0 to 0.6
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0