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238.0 Aluminum vs. 7022 Aluminum

Both 238.0 aluminum and 7022 aluminum are aluminum alloys. They have 86% of their average alloy composition in common. There are 29 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 238.0 aluminum and the bottom bar is 7022 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
70
Elongation at Break, % 1.5
6.3 to 8.0
Fatigue Strength, MPa 110
140 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 210
490 to 540
Tensile Strength: Yield (Proof), MPa 170
390 to 460

Thermal Properties

Latent Heat of Fusion, J/g 430
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 840
870
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
21
Electrical Conductivity: Equal Weight (Specific), % IACS 67
65

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 3.4
2.9
Embodied Carbon, kg CO2/kg material 7.4
8.5
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
29 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1100 to 1500
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
47
Strength to Weight: Axial, points 17
47 to 51
Strength to Weight: Bending, points 23
47 to 50
Thermal Diffusivity, mm2/s 37
54
Thermal Shock Resistance, points 9.1
21 to 23

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
87.9 to 92.4
Chromium (Cr), % 0
0.1 to 0.3
Copper (Cu), % 9.5 to 10.5
0.5 to 1.0
Iron (Fe), % 1.0 to 1.5
0 to 0.5
Magnesium (Mg), % 0 to 0.25
2.6 to 3.7
Manganese (Mn), % 0
0.1 to 0.4
Silicon (Si), % 3.6 to 4.4
0 to 0.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 1.0 to 1.5
4.3 to 5.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15