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5082 Aluminum vs. 6105 Aluminum

Both 5082 aluminum and 6105 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 5082 aluminum and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
68
Elongation at Break, % 1.1
9.0 to 16
Fatigue Strength, MPa 110 to 130
95 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 210 to 230
120 to 170
Tensile Strength: Ultimate (UTS), MPa 380 to 400
190 to 280
Tensile Strength: Yield (Proof), MPa 300 to 340
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 560
600
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
180 to 190
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 110
150 to 170

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
100 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
51
Strength to Weight: Axial, points 39 to 41
20 to 29
Strength to Weight: Bending, points 43 to 45
28 to 35
Thermal Diffusivity, mm2/s 54
72 to 79
Thermal Shock Resistance, points 17 to 18
8.6 to 12

Alloy Composition

Aluminum (Al), % 93.5 to 96
97.2 to 99
Chromium (Cr), % 0 to 0.15
0 to 0.1
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.35
Magnesium (Mg), % 4.0 to 5.0
0.45 to 0.8
Manganese (Mn), % 0 to 0.15
0 to 0.1
Silicon (Si), % 0 to 0.2
0.6 to 1.0
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0
0 to 0.15