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7021 Aluminum vs. 852.0 Aluminum

Both 7021 aluminum and 852.0 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7021 aluminum and the bottom bar is 852.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 9.4
3.4
Fatigue Strength, MPa 150
73
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 270
130
Tensile Strength: Ultimate (UTS), MPa 460
200
Tensile Strength: Yield (Proof), MPa 390
150

Thermal Properties

Latent Heat of Fusion, J/g 380
370
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
210
Specific Heat Capacity, J/kg-K 870
840
Thermal Conductivity, W/m-K 150
180
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.9
3.2
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
6.2
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
160
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 47
43
Strength to Weight: Axial, points 44
17
Strength to Weight: Bending, points 45
24
Thermal Diffusivity, mm2/s 59
65
Thermal Shock Resistance, points 20
8.7

Alloy Composition


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Aluminum (Al), % 90.7 to 93.7
86.6 to 91.3
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 0 to 0.25
1.7 to 2.3
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 1.2 to 1.8
0.6 to 0.9
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0
0.9 to 1.5
Silicon (Si), % 0 to 0.25
0 to 0.4
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 5.0 to 6.0
0
Zirconium (Zr), % 0.080 to 0.18
0
Residuals, % 0 to 0.15
0 to 0.3