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EN AC-21100 Aluminum vs. 5021 Aluminum

Both EN AC-21100 aluminum and 5021 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 EN AC-21100 aluminum and the bottom bar is 5021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
68
Elongation at Break, % 6.2 to 7.3
1.1 to 3.4
Fatigue Strength, MPa 79 to 87
85 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
300 to 310
Tensile Strength: Yield (Proof), MPa 210 to 240
240 to 270

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
3.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
440 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
50
Strength to Weight: Axial, points 31 to 33
30 to 32
Strength to Weight: Bending, points 36 to 37
37
Thermal Diffusivity, mm2/s 48
57
Thermal Shock Resistance, points 15
13 to 14

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
95.2 to 97.7
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 4.2 to 5.2
0 to 0.15
Iron (Fe), % 0 to 0.19
0 to 0.5
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0 to 0.55
0.1 to 0.5
Silicon (Si), % 0 to 0.18
0 to 0.4
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0 to 0.15
Residuals, % 0
0 to 0.15