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2011 Aluminum vs. 6351 Aluminum

Both 2011 aluminum and 6351 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 2011 aluminum and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 8.5 to 18
7.8 to 18
Fatigue Strength, MPa 74 to 120
79 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 190 to 250
84 to 200
Tensile Strength: Ultimate (UTS), MPa 310 to 420
140 to 310
Tensile Strength: Yield (Proof), MPa 140 to 310
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 540
570
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140 to 170
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
46
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
150

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 7.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
65 to 540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
50
Strength to Weight: Axial, points 27 to 37
14 to 32
Strength to Weight: Bending, points 32 to 40
22 to 38
Thermal Diffusivity, mm2/s 51 to 64
72
Thermal Shock Resistance, points 14 to 19
6.1 to 14

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
96 to 98.5
Bismuth (Bi), % 0.2 to 0.6
0
Copper (Cu), % 5.0 to 6.0
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 0
0.4 to 0.8
Silicon (Si), % 0 to 0.4
0.7 to 1.3
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.3
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants