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AWS E385 vs. 328.0 Aluminum

AWS E385 belongs to the iron alloys classification, while 328.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 E385 and the bottom bar is 328.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 34
1.6 to 2.1
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 580
200 to 270

Thermal Properties

Latent Heat of Fusion, J/g 300
510
Melting Completion (Liquidus), °C 1440
620
Melting Onset (Solidus), °C 1390
560
Specific Heat Capacity, J/kg-K 460
890
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 14
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
30
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
99

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 5.8
7.8
Embodied Energy, MJ/kg 79
140
Embodied Water, L/kg 200
1070

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 20
21 to 28
Strength to Weight: Bending, points 19
28 to 34
Thermal Diffusivity, mm2/s 3.6
50
Thermal Shock Resistance, points 15
9.2 to 12

Alloy Composition


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Aluminum (Al), % 0
84.5 to 91.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0 to 0.35
Copper (Cu), % 1.2 to 2.0
1.0 to 2.0
Iron (Fe), % 41.8 to 50.1
0 to 1.0
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 1.0 to 2.5
0.2 to 0.6
Molybdenum (Mo), % 4.2 to 5.2
0
Nickel (Ni), % 24 to 26
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.9
7.5 to 8.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5