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EN 1.6522 Steel vs. 7108A Aluminum

EN 1.6522 steel belongs to the iron alloys classification, while 7108A aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 1.6522 steel and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
69
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 500 to 1460
350

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Maximum Temperature: Mechanical, °C 410
210
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
520
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 39
150
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
36
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.5
8.3
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 51
1150

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 18 to 52
33 to 34
Strength to Weight: Bending, points 18 to 36
38
Thermal Diffusivity, mm2/s 10
59
Thermal Shock Resistance, points 15 to 43
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.050
91.6 to 94.4
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.35 to 0.7
0 to 0.040
Copper (Cu), % 0 to 0.3
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 96.6 to 98.5
0 to 0.3
Magnesium (Mg), % 0
0.7 to 1.5
Manganese (Mn), % 0.6 to 1.0
0 to 0.050
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15