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2007 Aluminum vs. 6081 Aluminum

Both 2007 aluminum and 6081 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 2007 aluminum and the bottom bar is 6081 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 5.6 to 8.0
9.0
Fatigue Strength, MPa 91 to 110
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 220 to 250
180
Tensile Strength: Ultimate (UTS), MPa 370 to 420
310
Tensile Strength: Yield (Proof), MPa 240 to 270
270

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
610
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 130
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
47
Electrical Conductivity: Equal Weight (Specific), % IACS 140
160

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
27
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
50
Strength to Weight: Axial, points 33 to 38
32
Strength to Weight: Bending, points 37 to 40
37
Thermal Diffusivity, mm2/s 48
74
Thermal Shock Resistance, points 16 to 19
14

Alloy Composition

Aluminum (Al), % 87.5 to 95
96.3 to 98.6
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 3.3 to 4.6
0 to 0.1
Iron (Fe), % 0 to 0.8
0 to 0.5
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0.6 to 1.0
Manganese (Mn), % 0.5 to 1.0
0.1 to 0.45
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.8
0.7 to 1.1
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.8
0 to 0.2
Residuals, % 0
0 to 0.15