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6066-T42 Aluminum vs. 6082-T42 Aluminum

Both 6066-T42 aluminum and 6082-T42 aluminum are aluminum alloys. Both are furnished in the T42 temper. 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 6066-T42 aluminum and the bottom bar is 6082-T42 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 13
15
Fatigue Strength, MPa 94
55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190
140
Tensile Strength: Ultimate (UTS), MPa 310
230
Tensile Strength: Yield (Proof), MPa 190
110

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 560
580
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
42
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
28
Resilience: Unit (Modulus of Resilience), kJ/m3 250
83
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 31
24
Strength to Weight: Bending, points 36
31
Thermal Diffusivity, mm2/s 61
67
Thermal Shock Resistance, points 13
10

Alloy Composition

Aluminum (Al), % 93 to 97
95.2 to 98.3
Chromium (Cr), % 0 to 0.4
0 to 0.25
Copper (Cu), % 0.7 to 1.2
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 0.8 to 1.4
0.6 to 1.2
Manganese (Mn), % 0.6 to 1.1
0.4 to 1.0
Silicon (Si), % 0.9 to 1.8
0.7 to 1.3
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15