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8021 Aluminum vs. 5252 Aluminum

Both 8021 aluminum and 5252 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 29 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 8021 aluminum and the bottom bar is 5252 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 2.3
4.5 to 11
Fatigue Strength, MPa 61
100 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 160
230 to 290
Tensile Strength: Yield (Proof), MPa 130
170 to 240

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 640
610
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 220
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
34
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.7
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 130
210 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
51
Strength to Weight: Axial, points 16
23 to 30
Strength to Weight: Bending, points 23
31 to 36
Thermal Diffusivity, mm2/s 88
57
Thermal Shock Resistance, points 7.0
10 to 13

Alloy Composition

Aluminum (Al), % 98 to 98.8
96.6 to 97.8
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 1.2 to 1.7
0 to 0.1
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0 to 0.15
0 to 0.080
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1