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A384.0 Aluminum vs. AWS E409Nb

A384.0 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 A384.0 aluminum and the bottom bar is AWS E409Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 2.5
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 330
500
Tensile Strength: Yield (Proof), MPa 170
380

Thermal Properties

Latent Heat of Fusion, J/g 550
280
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 510
1410
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 96
25
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 73
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.9
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 1010
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
380
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 38
18
Thermal Diffusivity, mm2/s 39
6.8
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 79.3 to 86.5
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
11 to 14
Copper (Cu), % 3.0 to 4.5
0 to 0.75
Iron (Fe), % 0 to 1.3
80.2 to 88.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.5
0 to 0.6
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0