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AWS E309Mo vs. B443.0 Aluminum

AWS E309Mo belongs to the iron alloys classification, while B443.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 E309Mo and the bottom bar is B443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 34
4.9
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 620
150

Thermal Properties

Latent Heat of Fusion, J/g 300
470
Melting Completion (Liquidus), °C 1430
620
Melting Onset (Solidus), °C 1390
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 14
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
130

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 4.2
8.0
Embodied Energy, MJ/kg 59
150
Embodied Water, L/kg 180
1130

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
52
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 3.9
61
Thermal Shock Resistance, points 15
6.8

Alloy Composition

Aluminum (Al), % 0
91.9 to 95.5
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
0 to 0.15
Iron (Fe), % 53.6 to 63.5
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 2.5
0 to 0.35
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 12 to 14
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
4.5 to 6.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15