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2011A Aluminum vs. 7049 Aluminum

Both 2011A aluminum and 7049 aluminum are aluminum alloys. They have 90% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 6.8 to 16
6.2 to 7.0
Fatigue Strength, MPa 75 to 100
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 190 to 250
300 to 310
Tensile Strength: Ultimate (UTS), MPa 310 to 410
510 to 530
Tensile Strength: Yield (Proof), MPa 140 to 310
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 550
480
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
36
Electrical Conductivity: Equal Weight (Specific), % IACS 96
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 7.9
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1150
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 40
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 670
1270 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
45
Strength to Weight: Axial, points 28 to 37
46 to 47
Strength to Weight: Bending, points 33 to 40
46 to 47
Thermal Diffusivity, mm2/s 49
51
Thermal Shock Resistance, points 14 to 18
22 to 23

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
85.7 to 89.5
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 4.5 to 6.0
1.2 to 1.9
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
2.0 to 2.9
Manganese (Mn), % 0
0 to 0.2
Silicon (Si), % 0 to 0.4
0 to 0.25
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.3
7.2 to 8.2
Residuals, % 0
0 to 0.15