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6065 Aluminum vs. 4006 Aluminum

Both 6065 aluminum and 4006 aluminum are aluminum alloys. They have a very high 98% 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 6065 aluminum and the bottom bar is 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 4.5 to 11
3.4 to 24
Fatigue Strength, MPa 96 to 110
35 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190 to 230
70 to 91
Tensile Strength: Ultimate (UTS), MPa 310 to 400
110 to 160
Tensile Strength: Yield (Proof), MPa 270 to 380
62 to 140

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
620
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 170
220
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
56
Electrical Conductivity: Equal Weight (Specific), % IACS 140
180

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
5.1 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
28 to 130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 31 to 40
11 to 16
Strength to Weight: Bending, points 36 to 43
19 to 24
Thermal Diffusivity, mm2/s 67
89
Thermal Shock Resistance, points 14 to 18
4.9 to 7.0

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
97.4 to 98.7
Bismuth (Bi), % 0.5 to 1.5
0
Chromium (Cr), % 0 to 0.15
0 to 0.2
Copper (Cu), % 0.15 to 0.4
0 to 0.1
Iron (Fe), % 0 to 0.7
0.5 to 0.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
0 to 0.010
Manganese (Mn), % 0 to 0.15
0 to 0.050
Silicon (Si), % 0.4 to 0.8
0.8 to 1.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.050
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15