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1080 Aluminum vs. 6065 Aluminum

Both 1080 aluminum and 6065 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is 1080 aluminum and the bottom bar is 6065 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 4.6 to 40
4.5 to 11
Fatigue Strength, MPa 21 to 48
96 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 49 to 78
190 to 230
Tensile Strength: Ultimate (UTS), MPa 72 to 130
310 to 400
Tensile Strength: Yield (Proof), MPa 17 to 120
270 to 380

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 640
590
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 230
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
43
Electrical Conductivity: Equal Weight (Specific), % IACS 200
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.4
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.7 to 21
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
540 to 1040
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 7.4 to 14
31 to 40
Strength to Weight: Bending, points 14 to 22
36 to 43
Thermal Diffusivity, mm2/s 94
67
Thermal Shock Resistance, points 3.2 to 6.0
14 to 18

Alloy Composition

Aluminum (Al), % 99.8 to 100
94.4 to 98.2
Bismuth (Bi), % 0
0.5 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.030
0.15 to 0.4
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
0 to 0.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.020
0.8 to 1.2
Manganese (Mn), % 0 to 0.020
0 to 0.15
Silicon (Si), % 0 to 0.15
0.4 to 0.8
Titanium (Ti), % 0 to 0.030
0 to 0.1
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0 to 0.25
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15