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6063A Aluminum vs. SAE-AISI S1 Steel

6063A aluminum belongs to the aluminum alloys classification, while SAE-AISI S1 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 6063A aluminum and the bottom bar is SAE-AISI S1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 130 to 260
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Melting Completion (Liquidus), °C 640
1500
Melting Onset (Solidus), °C 620
1450
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 200
41
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49 to 54
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 180
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.0
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1190
56

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 13 to 26
24 to 64
Strength to Weight: Bending, points 21 to 33
22 to 42
Thermal Diffusivity, mm2/s 83
11
Thermal Shock Resistance, points 5.6 to 11
21 to 56

Alloy Composition

Aluminum (Al), % 97.5 to 99
0
Carbon (C), % 0
0.4 to 0.55
Chromium (Cr), % 0 to 0.050
1.0 to 1.8
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0.15 to 0.35
91.6 to 96.7
Magnesium (Mg), % 0.6 to 0.9
0
Manganese (Mn), % 0 to 0.15
0.1 to 0.4
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0.15 to 1.2
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
1.5 to 3.0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0

Comparable Variants