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7049 Aluminum vs. 2011 Aluminum

Both 7049 aluminum and 2011 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 7049 aluminum and the bottom bar is 2011 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 6.2 to 7.0
8.5 to 18
Fatigue Strength, MPa 160 to 170
74 to 120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 300 to 310
190 to 250
Tensile Strength: Ultimate (UTS), MPa 510 to 530
310 to 420
Tensile Strength: Yield (Proof), MPa 420 to 450
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 370
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 480
540
Specific Heat Capacity, J/kg-K 860
870
Thermal Conductivity, W/m-K 130
140 to 170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
35 to 45
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100 to 130

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
29 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
140 to 680
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
44
Strength to Weight: Axial, points 46 to 47
27 to 37
Strength to Weight: Bending, points 46 to 47
32 to 40
Thermal Diffusivity, mm2/s 51
51 to 64
Thermal Shock Resistance, points 22 to 23
14 to 19

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
91.3 to 94.6
Bismuth (Bi), % 0
0.2 to 0.6
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
5.0 to 6.0
Iron (Fe), % 0 to 0.35
0 to 0.7
Lead (Pb), % 0
0.2 to 0.6
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0
Silicon (Si), % 0 to 0.25
0 to 0.4
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0 to 0.3
Residuals, % 0
0 to 0.15