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5082 Aluminum vs. 6182 Aluminum

Both 5082 aluminum and 6182 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 6182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
70
Elongation at Break, % 1.1
6.8 to 13
Fatigue Strength, MPa 110 to 130
63 to 99
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 210 to 230
140 to 190
Tensile Strength: Ultimate (UTS), MPa 380 to 400
230 to 320
Tensile Strength: Yield (Proof), MPa 300 to 340
130 to 270

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
130

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
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
110 to 520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 39 to 41
23 to 32
Strength to Weight: Bending, points 43 to 45
30 to 38
Thermal Diffusivity, mm2/s 54
65
Thermal Shock Resistance, points 17 to 18
10 to 14

Alloy Composition

Aluminum (Al), % 93.5 to 96
95 to 97.9
Chromium (Cr), % 0 to 0.15
0 to 0.25
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 4.0 to 5.0
0.7 to 1.2
Manganese (Mn), % 0 to 0.15
0.5 to 1.0
Silicon (Si), % 0 to 0.2
0.9 to 1.3
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.2
Zirconium (Zr), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.15