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2011A-T8 Aluminum vs. 6262A-T8 Aluminum

Both 2011A-T8 aluminum and 6262A-T8 aluminum are aluminum alloys. Both are furnished in the T8 temper. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 2011A-T8 aluminum and the bottom bar is 6262A-T8 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 9.0
4.5
Fatigue Strength, MPa 100
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 250
220
Tensile Strength: Ultimate (UTS), MPa 410
390
Tensile Strength: Yield (Proof), MPa 310
360

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
45
Electrical Conductivity: Equal Weight (Specific), % IACS 96
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
2.8
Embodied Carbon, kg CO2/kg material 7.9
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
17
Resilience: Unit (Modulus of Resilience), kJ/m3 670
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
49
Strength to Weight: Axial, points 37
38
Strength to Weight: Bending, points 40
42
Thermal Diffusivity, mm2/s 49
67
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
94.2 to 97.8
Bismuth (Bi), % 0.2 to 0.6
0.4 to 0.9
Chromium (Cr), % 0
0.040 to 0.14
Copper (Cu), % 4.5 to 6.0
0.15 to 0.4
Iron (Fe), % 0 to 0.5
0 to 0.7
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0
0 to 0.15
Silicon (Si), % 0 to 0.4
0.4 to 0.8
Tin (Sn), % 0
0.4 to 1.0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.3
0 to 0.25
Residuals, % 0
0 to 0.15