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AWS E3155 vs. 238.0 Aluminum

AWS E3155 belongs to the iron alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 22 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 E3155 and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
76
Elongation at Break, % 23
1.5
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 81
28
Tensile Strength: Ultimate (UTS), MPa 770
210

Thermal Properties

Latent Heat of Fusion, J/g 310
430
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1410
510
Specific Heat Capacity, J/kg-K 450
840
Thermal Conductivity, W/m-K 13
100
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.4
3.4
Embodied Carbon, kg CO2/kg material 7.7
7.4
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 300
1040

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
42
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 3.3
37
Thermal Shock Resistance, points 20
9.1

Alloy Composition

Aluminum (Al), % 0
81.9 to 84.9
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
9.5 to 10.5
Iron (Fe), % 23.3 to 36.3
1.0 to 1.5
Magnesium (Mg), % 0
0 to 0.25
Manganese (Mn), % 1.0 to 2.5
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
3.6 to 4.4
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
1.0 to 1.5