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6061 Aluminum vs. 6065 Aluminum

Both 6061 aluminum and 6065 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6061 aluminum and the bottom bar is 6065 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 3.4 to 20
4.5 to 11
Fatigue Strength, MPa 58 to 110
96 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 84 to 210
190 to 230
Tensile Strength: Ultimate (UTS), MPa 130 to 410
310 to 400
Tensile Strength: Yield (Proof), MPa 76 to 370
270 to 380

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 580
590
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 170
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
43
Electrical Conductivity: Equal Weight (Specific), % IACS 140
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 150
150
Embodied Water, L/kg 1180
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.8 to 81
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 42 to 1000
540 to 1040
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 13 to 42
31 to 40
Strength to Weight: Bending, points 21 to 45
36 to 43
Thermal Diffusivity, mm2/s 68
67
Thermal Shock Resistance, points 5.7 to 18
14 to 18

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
94.4 to 98.2
Bismuth (Bi), % 0
0.5 to 1.5
Chromium (Cr), % 0.040 to 0.35
0 to 0.15
Copper (Cu), % 0.15 to 0.4
0.15 to 0.4
Iron (Fe), % 0 to 0.7
0 to 0.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.8 to 1.2
0.8 to 1.2
Manganese (Mn), % 0 to 0.15
0 to 0.15
Silicon (Si), % 0.4 to 0.8
0.4 to 0.8
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15

Comparable Variants