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EN AC-42100 Aluminum vs. 2011A Aluminum

Both EN AC-42100 aluminum and 2011A aluminum are aluminum alloys. They have a moderately high 93% 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-42100 aluminum and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 3.4 to 9.0
6.8 to 16
Fatigue Strength, MPa 76 to 82
75 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 280 to 290
310 to 410
Tensile Strength: Yield (Proof), MPa 210 to 230
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 500
390
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 610
660
Melting Onset (Solidus), °C 600
550
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
96

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
3.1
Embodied Carbon, kg CO2/kg material 8.0
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
140 to 670
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
44
Strength to Weight: Axial, points 30 to 31
28 to 37
Strength to Weight: Bending, points 37 to 38
33 to 40
Thermal Diffusivity, mm2/s 66
49
Thermal Shock Resistance, points 13
14 to 18

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 0 to 0.050
4.5 to 6.0
Iron (Fe), % 0 to 0.19
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 6.5 to 7.5
0 to 0.4
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants