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333.0 Aluminum vs. SAE-AISI L2 Steel

333.0 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 (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 333.0 aluminum and the bottom bar is SAE-AISI L2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
72
Tensile Strength: Ultimate (UTS), MPa 230 to 280
590 to 1960

Thermal Properties

Latent Heat of Fusion, J/g 520
250
Melting Completion (Liquidus), °C 590
1450
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 100 to 140
44
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26 to 35
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83 to 110
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.9
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 1040
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 22 to 27
21 to 70
Strength to Weight: Bending, points 29 to 34
20 to 45
Thermal Diffusivity, mm2/s 42 to 57
12
Thermal Shock Resistance, points 11 to 13
19 to 65

Alloy Composition

Aluminum (Al), % 81.8 to 89
0
Carbon (C), % 0
0.45 to 1.0
Chromium (Cr), % 0
0.7 to 1.2
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 0 to 1.0
95.5 to 98.7
Magnesium (Mg), % 0.050 to 0.5
0
Manganese (Mn), % 0 to 0.5
0.1 to 0.9
Molybdenum (Mo), % 0
0 to 0.25
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 8.0 to 10
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 1.0
0
Residuals, % 0 to 0.5
0