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2011-T6 Aluminum vs. 7075-T6 Aluminum

Both 2011-T6 aluminum and 7075-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 91% of their average alloy composition in common. There are 30 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 2011-T6 aluminum and the bottom bar is 7075-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 8.5
7.9
Fatigue Strength, MPa 100
160
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
26
Shear Strength, MPa 220
330
Tensile Strength: Ultimate (UTS), MPa 380
560
Tensile Strength: Yield (Proof), MPa 270
480

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
480
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
98

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 7.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
42
Resilience: Unit (Modulus of Resilience), kJ/m3 500
1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
46
Strength to Weight: Axial, points 33
51
Strength to Weight: Bending, points 37
50
Thermal Diffusivity, mm2/s 64
50
Thermal Shock Resistance, points 17
24

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
86.9 to 91.4
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 5.0 to 6.0
1.2 to 2.0
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
Silicon (Si), % 0 to 0.4
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.3
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15