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Grade FDC Steel vs. 6110A Aluminum

Grade FDC steel belongs to the iron alloys classification, while 6110A aluminum belongs to the aluminum alloys. There are 24 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 grade FDC steel and the bottom bar is 6110A 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 80
26
Tensile Strength: Ultimate (UTS), MPa 1680
360 to 470

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1410
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 51
160
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
140

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.4
8.4
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 47
1170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 60
36 to 47
Strength to Weight: Bending, points 40
41 to 48
Thermal Diffusivity, mm2/s 14
65
Thermal Shock Resistance, points 50
16 to 21

Alloy Composition

Aluminum (Al), % 0
94.8 to 98
Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 0 to 0.3
0.050 to 0.25
Copper (Cu), % 0 to 0.12
0.3 to 0.8
Iron (Fe), % 98 to 99.4
0 to 0.5
Magnesium (Mg), % 0
0.7 to 1.1
Manganese (Mn), % 0.5 to 1.2
0.3 to 0.9
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.35
0.7 to 1.1
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15