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8011A Aluminum vs. 7049A Aluminum

Both 8011A aluminum and 7049A aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 29 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 8011A aluminum and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 1.7 to 28
5.0 to 5.7
Fatigue Strength, MPa 33 to 76
180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 100 to 180
580 to 590
Tensile Strength: Yield (Proof), MPa 34 to 170
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 630
430
Specific Heat Capacity, J/kg-K 900
850
Thermal Conductivity, W/m-K 210
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
40
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
1800 to 1990
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
44
Strength to Weight: Axial, points 11 to 18
52 to 53
Strength to Weight: Bending, points 18 to 26
50 to 51
Thermal Diffusivity, mm2/s 86
50
Thermal Shock Resistance, points 4.6 to 8.1
25

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
84.6 to 89.5
Chromium (Cr), % 0 to 0.1
0.050 to 0.25
Copper (Cu), % 0 to 0.1
1.2 to 1.9
Iron (Fe), % 0.5 to 1.0
0 to 0.5
Magnesium (Mg), % 0 to 0.1
2.1 to 3.1
Manganese (Mn), % 0 to 0.1
0 to 0.5
Silicon (Si), % 0.4 to 0.8
0 to 0.4
Titanium (Ti), % 0 to 0.050
0 to 0.25
Zinc (Zn), % 0 to 0.1
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15