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5070 Aluminum vs. 7022 Aluminum

Both 5070 aluminum and 7022 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5070 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, % 20
6.3 to 8.0
Fatigue Strength, MPa 150
140 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 190
290 to 320
Tensile Strength: Ultimate (UTS), MPa 300
490 to 540
Tensile Strength: Yield (Proof), MPa 140
390 to 460

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
21
Electrical Conductivity: Equal Weight (Specific), % IACS 100
65

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.8
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
29 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1100 to 1500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 31
47 to 51
Strength to Weight: Bending, points 37
47 to 50
Thermal Diffusivity, mm2/s 53
54
Thermal Shock Resistance, points 14
21 to 23

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
87.9 to 92.4
Chromium (Cr), % 0 to 0.3
0.1 to 0.3
Copper (Cu), % 0 to 0.25
0.5 to 1.0
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 3.5 to 4.5
2.6 to 3.7
Manganese (Mn), % 0.4 to 0.8
0.1 to 0.4
Silicon (Si), % 0 to 0.25
0 to 0.5
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0.4 to 0.8
4.3 to 5.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0 to 0.15
0 to 0.15