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6060 Aluminum vs. SAE-AISI S7 Steel

6060 aluminum belongs to the aluminum alloys classification, while SAE-AISI S7 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 6060 aluminum and the bottom bar is SAE-AISI S7 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
74
Tensile Strength: Ultimate (UTS), MPa 140 to 220
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 210
40
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 180
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
5.0
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
2.3
Embodied Energy, MJ/kg 150
31
Embodied Water, L/kg 1190
65

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 14 to 23
24 to 72
Strength to Weight: Bending, points 22 to 30
22 to 46
Thermal Diffusivity, mm2/s 85
11
Thermal Shock Resistance, points 6.3 to 9.9
22 to 66

Alloy Composition

Aluminum (Al), % 97.9 to 99.3
0
Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0 to 0.050
3.0 to 3.5
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0.1 to 0.3
91.6 to 94.9
Magnesium (Mg), % 0.35 to 0.6
0
Manganese (Mn), % 0 to 0.1
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0.2 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0