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5657 Aluminum vs. 7022 Aluminum

Both 5657 aluminum and 7022 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5657 aluminum and the bottom bar is 7022 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 6.6 to 15
6.3 to 8.0
Fatigue Strength, MPa 74 to 88
140 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 92 to 110
290 to 320
Tensile Strength: Ultimate (UTS), MPa 150 to 200
490 to 540
Tensile Strength: Yield (Proof), MPa 140 to 170
390 to 460

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 210
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
21
Electrical Conductivity: Equal Weight (Specific), % IACS 180
65

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.5
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
29 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
1100 to 1500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 15 to 20
47 to 51
Strength to Weight: Bending, points 23 to 28
47 to 50
Thermal Diffusivity, mm2/s 84
54
Thermal Shock Resistance, points 6.7 to 8.6
21 to 23

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
87.9 to 92.4
Chromium (Cr), % 0
0.1 to 0.3
Copper (Cu), % 0 to 0.1
0.5 to 1.0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.5
Magnesium (Mg), % 0.6 to 1.0
2.6 to 3.7
Manganese (Mn), % 0 to 0.030
0.1 to 0.4
Silicon (Si), % 0 to 0.080
0 to 0.5
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
4.3 to 5.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0 to 0.050
0 to 0.15