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EN AC-21100 Aluminum vs. 2011A Aluminum

Both EN AC-21100 aluminum and 2011A aluminum are aluminum alloys. They have a very high 98% 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 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 6.2 to 7.3
6.8 to 16
Fatigue Strength, MPa 79 to 87
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
310 to 410
Tensile Strength: Yield (Proof), MPa 210 to 240
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 670
660
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
33
Electrical Conductivity: Equal Weight (Specific), % IACS 100
96

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.0
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
140 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
44
Strength to Weight: Axial, points 31 to 33
28 to 37
Strength to Weight: Bending, points 36 to 37
33 to 40
Thermal Diffusivity, mm2/s 48
49
Thermal Shock Resistance, points 15
14 to 18

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 4.2 to 5.2
4.5 to 6.0
Iron (Fe), % 0 to 0.19
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 0.55
0
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 0.3
Residuals, % 0
0 to 0.15

Comparable Variants