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EN 1.7709 Steel vs. 6110A Aluminum

EN 1.7709 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 EN 1.7709 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 73
26
Tensile Strength: Ultimate (UTS), MPa 650 to 780
360 to 470

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 440
190
Melting Completion (Liquidus), °C 1470
650
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 33
160
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 2.3
8.4
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 56
1170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 23 to 27
36 to 47
Strength to Weight: Bending, points 21 to 24
41 to 48
Thermal Diffusivity, mm2/s 8.9
65
Thermal Shock Resistance, points 22 to 26
16 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.030
94.8 to 98
Carbon (C), % 0.17 to 0.25
0
Chromium (Cr), % 1.2 to 1.5
0.050 to 0.25
Copper (Cu), % 0
0.3 to 0.8
Iron (Fe), % 95.2 to 97.5
0 to 0.5
Magnesium (Mg), % 0
0.7 to 1.1
Manganese (Mn), % 0.4 to 0.8
0.3 to 0.9
Molybdenum (Mo), % 0.55 to 0.8
0
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0.7 to 1.1
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15