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5021 Aluminum vs. EN AC-21000 Aluminum

Both 5021 aluminum and EN AC-21000 aluminum are aluminum alloys. They have a very high 95% 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 5021 aluminum and the bottom bar is EN AC-21000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.1 to 3.4
6.7
Fatigue Strength, MPa 85 to 110
100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 300 to 310
340
Tensile Strength: Yield (Proof), MPa 240 to 270
240

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 590
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
34
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.6
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 10
21
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 550
390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 30 to 32
32
Strength to Weight: Bending, points 37
36
Thermal Diffusivity, mm2/s 57
49
Thermal Shock Resistance, points 13 to 14
15

Alloy Composition

Aluminum (Al), % 95.2 to 97.7
93.4 to 95.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
4.2 to 5.0
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 2.2 to 2.8
0.15 to 0.35
Manganese (Mn), % 0.1 to 0.5
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0 to 0.4
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 0 to 0.15
0 to 0.1
Residuals, % 0
0 to 0.1