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238.0 Aluminum vs. AWS E320LR

238.0 aluminum belongs to the aluminum alloys classification, while AWS E320LR belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 238.0 aluminum and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
200
Elongation at Break, % 1.5
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Tensile Strength: Ultimate (UTS), MPa 210
580

Thermal Properties

Latent Heat of Fusion, J/g 430
300
Melting Completion (Liquidus), °C 600
1410
Melting Onset (Solidus), °C 510
1360
Specific Heat Capacity, J/kg-K 840
460
Thermal Expansion, µm/m-K 21
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 3.4
8.2
Embodied Carbon, kg CO2/kg material 7.4
6.2
Embodied Energy, MJ/kg 140
87
Embodied Water, L/kg 1040
220

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 9.1
15

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 9.5 to 10.5
3.0 to 4.0
Iron (Fe), % 1.0 to 1.5
32.7 to 42.5
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 3.6 to 4.4
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 1.0 to 1.5
0