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6082 Aluminum vs. 7075-T6 Aluminum

Both 6082 aluminum and 7075-T6 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 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 6082 aluminum and the bottom bar is 7075-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 40 to 95
150
Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 6.3 to 18
7.9
Fatigue Strength, MPa 55 to 130
160
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 84 to 220
330
Tensile Strength: Ultimate (UTS), MPa 140 to 340
560
Tensile Strength: Yield (Proof), MPa 85 to 320
480

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 580
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 43
42
Resilience: Unit (Modulus of Resilience), kJ/m3 52 to 710
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 14 to 35
51
Strength to Weight: Bending, points 21 to 40
50
Thermal Diffusivity, mm2/s 67
50
Thermal Shock Resistance, points 6.0 to 15
24

Alloy Composition

Aluminum (Al), % 95.2 to 98.3
86.9 to 91.4
Chromium (Cr), % 0 to 0.25
0.18 to 0.28
Copper (Cu), % 0 to 0.1
1.2 to 2.0
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 0.6 to 1.2
2.1 to 2.9
Manganese (Mn), % 0.4 to 1.0
0 to 0.3
Silicon (Si), % 0.7 to 1.3
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.2
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15