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6065 Aluminum vs. 5088 Aluminum

Both 6065 aluminum and 5088 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 6065 aluminum and the bottom bar is 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 4.5 to 11
29
Fatigue Strength, MPa 96 to 110
180
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 190 to 230
200
Tensile Strength: Ultimate (UTS), MPa 310 to 400
310
Tensile Strength: Yield (Proof), MPa 270 to 380
150

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
540
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
98

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.4
9.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
76
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 31 to 40
32
Strength to Weight: Bending, points 36 to 43
38
Thermal Diffusivity, mm2/s 67
51
Thermal Shock Resistance, points 14 to 18
14

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
92.4 to 94.8
Bismuth (Bi), % 0.5 to 1.5
0
Chromium (Cr), % 0 to 0.15
0 to 0.15
Copper (Cu), % 0.15 to 0.4
0 to 0.25
Iron (Fe), % 0 to 0.7
0.1 to 0.35
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
4.7 to 5.5
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Silicon (Si), % 0.4 to 0.8
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0.2 to 0.4
Zirconium (Zr), % 0 to 0.15
0 to 0.15
Residuals, % 0
0 to 0.15