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SAE-AISI L3 Steel vs. 6110 Aluminum

SAE-AISI L3 steel belongs to the iron alloys classification, while 6110 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 SAE-AISI L3 steel and the bottom bar is 6110 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 600 to 2250
500

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 43
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.9
8.2
Embodied Energy, MJ/kg 27
150
Embodied Water, L/kg 53
1170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 21 to 80
51
Strength to Weight: Bending, points 20 to 49
51
Thermal Diffusivity, mm2/s 12
67
Thermal Shock Resistance, points 18 to 67
22

Alloy Composition

Aluminum (Al), % 0
94.4 to 98.4
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 1.3 to 1.7
0.040 to 0.25
Copper (Cu), % 0
0.2 to 0.7
Iron (Fe), % 95.5 to 97.3
0 to 0.8
Magnesium (Mg), % 0
0.5 to 1.1
Manganese (Mn), % 0.25 to 0.8
0.2 to 0.7
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.5
0.7 to 1.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.15
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15