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7021 Aluminum vs. 5010 Aluminum

Both 7021 aluminum and 5010 aluminum are aluminum alloys. They have a moderately high 93% 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 7021 aluminum and the bottom bar is 5010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 9.4
1.1 to 23
Fatigue Strength, MPa 150
35 to 83
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 270
64 to 120
Tensile Strength: Ultimate (UTS), MPa 460
100 to 210
Tensile Strength: Yield (Proof), MPa 390
38 to 190

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 510
630
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
200
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
2.3 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
10 to 270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 44
10 to 22
Strength to Weight: Bending, points 45
18 to 29
Thermal Diffusivity, mm2/s 59
82
Thermal Shock Resistance, points 20
4.5 to 9.4

Alloy Composition


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Aluminum (Al), % 90.7 to 93.7
97.1 to 99.7
Chromium (Cr), % 0 to 0.050
0 to 0.15
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 1.2 to 1.8
0.2 to 0.6
Manganese (Mn), % 0 to 0.1
0.1 to 0.3
Silicon (Si), % 0 to 0.25
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 5.0 to 6.0
0 to 0.3
Zirconium (Zr), % 0.080 to 0.18
0
Residuals, % 0 to 0.15
0 to 0.15