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2011 Aluminum vs. 7076 Aluminum

Both 2011 aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 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 2011 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 8.5 to 18
6.2
Fatigue Strength, MPa 74 to 120
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Shear Strength, MPa 190 to 250
310
Tensile Strength: Ultimate (UTS), MPa 310 to 420
530
Tensile Strength: Yield (Proof), MPa 140 to 310
460

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 540
460
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 140 to 170
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 7.9
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
31
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
1510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
45
Strength to Weight: Axial, points 27 to 37
49
Strength to Weight: Bending, points 32 to 40
48
Thermal Diffusivity, mm2/s 51 to 64
54
Thermal Shock Resistance, points 14 to 19
23

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
86.9 to 91.2
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 5.0 to 6.0
0.3 to 1.0
Iron (Fe), % 0 to 0.7
0 to 0.6
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 0
0.3 to 0.8
Silicon (Si), % 0 to 0.4
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.3
7.0 to 8.0
Residuals, % 0
0 to 0.15