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AWS E409Nb vs. 5254 Aluminum

AWS E409Nb belongs to the iron alloys classification, while 5254 aluminum belongs to the aluminum 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 AWS E409Nb and the bottom bar is 5254 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 23
3.4 to 22
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Tensile Strength: Ultimate (UTS), MPa 500
240 to 350
Tensile Strength: Yield (Proof), MPa 380
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1410
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 2.9
8.8
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 100
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 380
73 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 18
25 to 37
Strength to Weight: Bending, points 18
32 to 41
Thermal Diffusivity, mm2/s 6.8
52
Thermal Shock Resistance, points 14
10 to 16

Alloy Composition

Aluminum (Al), % 0
94.4 to 96.8
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 11 to 14
0.15 to 0.35
Copper (Cu), % 0 to 0.75
0 to 0.050
Iron (Fe), % 80.2 to 88.5
0 to 0.45
Magnesium (Mg), % 0
3.1 to 3.9
Manganese (Mn), % 0 to 1.0
0 to 0.010
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15