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AWS E409Nb vs. 772.0 Aluminum

AWS E409Nb belongs to the iron alloys classification, while 772.0 aluminum belongs to the aluminum 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 AWS E409Nb and the bottom bar is 772.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 23
6.3 to 8.4
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
26
Tensile Strength: Ultimate (UTS), MPa 500
260 to 320
Tensile Strength: Yield (Proof), MPa 380
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 280
380
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1410
580
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 25
150
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
35
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 2.9
8.0
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 100
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
16 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 380
350 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 18
25 to 31
Strength to Weight: Bending, points 18
31 to 36
Thermal Diffusivity, mm2/s 6.8
58
Thermal Shock Resistance, points 14
11 to 14

Alloy Composition

Aluminum (Al), % 0
91.2 to 93.2
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 11 to 14
0.060 to 0.2
Copper (Cu), % 0 to 0.75
0 to 0.1
Iron (Fe), % 80.2 to 88.5
0 to 0.15
Magnesium (Mg), % 0
0.6 to 0.8
Manganese (Mn), % 0 to 1.0
0 to 0.1
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 0.15
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.1 to 0.2
Zinc (Zn), % 0
6.0 to 7.0
Residuals, % 0
0 to 0.15