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7022 Aluminum vs. EN 1.6563 Steel

7022 aluminum belongs to the aluminum alloys classification, while EN 1.6563 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 7022 aluminum and the bottom bar is EN 1.6563 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 490 to 540
620 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 480
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140
45
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 65
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.6
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 8.5
1.7
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 1130
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 47 to 51
22 to 65
Strength to Weight: Bending, points 47 to 50
21 to 43
Thermal Diffusivity, mm2/s 54
12
Thermal Shock Resistance, points 21 to 23
18 to 54

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0
Carbon (C), % 0
0.38 to 0.44
Chromium (Cr), % 0.1 to 0.3
0.7 to 0.9
Copper (Cu), % 0.5 to 1.0
0 to 0.25
Iron (Fe), % 0 to 0.5
94.9 to 96.5
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 4.3 to 5.2
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0