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5082 Aluminum vs. 8176 Aluminum

Both 5082 aluminum and 8176 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5082 aluminum and the bottom bar is 8176 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
69
Elongation at Break, % 1.1
15
Fatigue Strength, MPa 110 to 130
59
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 210 to 230
70
Tensile Strength: Ultimate (UTS), MPa 380 to 400
160
Tensile Strength: Yield (Proof), MPa 300 to 340
95

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 560
650
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
61
Electrical Conductivity: Equal Weight (Specific), % IACS 110
200

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
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
21
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
66
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 39 to 41
16
Strength to Weight: Bending, points 43 to 45
24
Thermal Diffusivity, mm2/s 54
93
Thermal Shock Resistance, points 17 to 18
7.0

Alloy Composition

Aluminum (Al), % 93.5 to 96
98.6 to 99.6
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.35
0.4 to 1.0
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0 to 0.2
0.030 to 0.15
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0
0 to 0.15