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7022 Aluminum vs. EN 1.0213 Steel

7022 aluminum belongs to the aluminum alloys classification, while EN 1.0213 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 1.0213 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.3 to 8.0
12 to 25
Fatigue Strength, MPa 140 to 170
160 to 240
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 290 to 320
230 to 270
Tensile Strength: Ultimate (UTS), MPa 490 to 540
320 to 430
Tensile Strength: Yield (Proof), MPa 390 to 460
220 to 330

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 480
1430
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140
53
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 65
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 8.5
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
33 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
120 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 47 to 51
11 to 15
Strength to Weight: Bending, points 47 to 50
13 to 16
Thermal Diffusivity, mm2/s 54
14
Thermal Shock Resistance, points 21 to 23
10 to 14

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0.020 to 0.060
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0.1 to 0.3
0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 0 to 0.5
99.245 to 99.67
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
0.25 to 0.45
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.1
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