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520.0 Aluminum vs. SAE-AISI L2 Steel

520.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI L2 steel belongs to the iron alloys. There are 23 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 520.0 aluminum and the bottom bar is SAE-AISI L2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 66
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
72
Tensile Strength: Ultimate (UTS), MPa 330
590 to 1960

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 480
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 87
44
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 72
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.9
Embodied Energy, MJ/kg 160
27
Embodied Water, L/kg 1170
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 35
21 to 70
Strength to Weight: Bending, points 41
20 to 45
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 14
19 to 65

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Carbon (C), % 0
0.45 to 1.0
Chromium (Cr), % 0
0.7 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.3
95.5 to 98.7
Magnesium (Mg), % 9.5 to 10.6
0
Manganese (Mn), % 0 to 0.15
0.1 to 0.9
Molybdenum (Mo), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0