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7022 Aluminum vs. 705.0 Aluminum

Both 7022 aluminum and 705.0 aluminum are aluminum alloys. They have a moderately high 94% 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 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 6.3 to 8.0
8.4 to 10
Fatigue Strength, MPa 140 to 170
63 to 98
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 490 to 540
240 to 260
Tensile Strength: Yield (Proof), MPa 390 to 460
130

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 480
610
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
34
Electrical Conductivity: Equal Weight (Specific), % IACS 65
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.5
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
120 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
49
Strength to Weight: Axial, points 47 to 51
24 to 26
Strength to Weight: Bending, points 47 to 50
31 to 32
Thermal Diffusivity, mm2/s 54
55
Thermal Shock Resistance, points 21 to 23
11

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
92.3 to 98.6
Chromium (Cr), % 0.1 to 0.3
0 to 0.4
Copper (Cu), % 0.5 to 1.0
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.8
Magnesium (Mg), % 2.6 to 3.7
1.4 to 1.8
Manganese (Mn), % 0.1 to 0.4
0 to 0.6
Silicon (Si), % 0 to 0.5
0 to 0.2
Titanium (Ti), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 4.3 to 5.2
0 to 3.3
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15