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2011 Aluminum vs. 7049A Aluminum

Both 2011 aluminum and 7049A aluminum are aluminum alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is 2011 aluminum and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 8.5 to 18
5.0 to 5.7
Fatigue Strength, MPa 74 to 120
180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Shear Strength, MPa 190 to 250
340 to 350
Tensile Strength: Ultimate (UTS), MPa 310 to 420
580 to 590
Tensile Strength: Yield (Proof), MPa 140 to 310
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
430
Specific Heat Capacity, J/kg-K 870
850
Thermal Conductivity, W/m-K 140 to 170
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 7.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
1800 to 1990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
44
Strength to Weight: Axial, points 27 to 37
52 to 53
Strength to Weight: Bending, points 32 to 40
50 to 51
Thermal Diffusivity, mm2/s 51 to 64
50
Thermal Shock Resistance, points 14 to 19
25

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
84.6 to 89.5
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 5.0 to 6.0
1.2 to 1.9
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0
0 to 0.5
Silicon (Si), % 0 to 0.4
0 to 0.4
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.3
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants