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390.0 Aluminum vs. AWS E409Nb

390.0 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 390.0 aluminum and the bottom bar is AWS E409Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
190
Elongation at Break, % 1.0
23
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 280 to 300
500
Tensile Strength: Yield (Proof), MPa 240 to 270
380

Thermal Properties

Latent Heat of Fusion, J/g 640
280
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 560
1410
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 130
25
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.3
2.9
Embodied Energy, MJ/kg 130
42
Embodied Water, L/kg 950
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
380
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 28 to 30
18
Strength to Weight: Bending, points 35 to 36
18
Thermal Diffusivity, mm2/s 56
6.8
Thermal Shock Resistance, points 14 to 15
14

Alloy Composition

Aluminum (Al), % 74.5 to 79.6
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
11 to 14
Copper (Cu), % 4.0 to 5.0
0 to 0.75
Iron (Fe), % 0 to 1.3
80.2 to 88.5
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
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), % 16 to 18
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0