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7022 Aluminum vs. 771.0 Aluminum

Both 7022 aluminum and 771.0 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 7022 aluminum and the bottom bar is 771.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 6.3 to 8.0
1.7 to 6.5
Fatigue Strength, MPa 140 to 170
92 to 180
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 490 to 540
250 to 370
Tensile Strength: Yield (Proof), MPa 390 to 460
210 to 350

Thermal Properties

Latent Heat of Fusion, J/g 380
380
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 480
620
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 140
140 to 150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
27
Electrical Conductivity: Equal Weight (Specific), % IACS 65
82

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
4.4 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
310 to 900
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 47 to 51
23 to 35
Strength to Weight: Bending, points 47 to 50
29 to 39
Thermal Diffusivity, mm2/s 54
54 to 58
Thermal Shock Resistance, points 21 to 23
11 to 16

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
90.5 to 92.5
Chromium (Cr), % 0.1 to 0.3
0.060 to 0.2
Copper (Cu), % 0.5 to 1.0
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.15
Magnesium (Mg), % 2.6 to 3.7
0.8 to 1.0
Manganese (Mn), % 0.1 to 0.4
0 to 0.1
Silicon (Si), % 0 to 0.5
0 to 0.15
Titanium (Ti), % 0 to 0.2
0.1 to 0.2
Zinc (Zn), % 4.3 to 5.2
6.5 to 7.5
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15

Comparable Variants