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7022-T6 Aluminum vs. 7475-T6 Aluminum

Both 7022-T6 aluminum and 7475-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a very high 98% 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 7022-T6 aluminum and the bottom bar is 7475-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 7.8
10
Fatigue Strength, MPa 160
200
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 290
350
Tensile Strength: Ultimate (UTS), MPa 500
590
Tensile Strength: Yield (Proof), MPa 420
490

Thermal Properties

Latent Heat of Fusion, J/g 380
380
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 480
480
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
33
Electrical Conductivity: Equal Weight (Specific), % IACS 65
98

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
57
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
1740
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 48
54
Strength to Weight: Bending, points 48
52
Thermal Diffusivity, mm2/s 54
54
Thermal Shock Resistance, points 22
26

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
88.6 to 91.6
Chromium (Cr), % 0.1 to 0.3
0.18 to 0.25
Copper (Cu), % 0.5 to 1.0
1.2 to 1.9
Iron (Fe), % 0 to 0.5
0 to 0.12
Magnesium (Mg), % 2.6 to 3.7
1.9 to 2.6
Manganese (Mn), % 0.1 to 0.4
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 0.1
Titanium (Ti), % 0 to 0.2
0 to 0.060
Zinc (Zn), % 4.3 to 5.2
5.1 to 6.2
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15