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5182 Aluminum vs. 5082 Aluminum

Both 5182 aluminum and 5082 aluminum are aluminum alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is 5182 aluminum and the bottom bar is 5082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
67
Elongation at Break, % 1.1 to 12
1.1
Fatigue Strength, MPa 100 to 130
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
25
Shear Strength, MPa 170 to 240
210 to 230
Tensile Strength: Ultimate (UTS), MPa 280 to 420
380 to 400
Tensile Strength: Yield (Proof), MPa 130 to 360
300 to 340

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
560
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
32
Electrical Conductivity: Equal Weight (Specific), % IACS 94
110

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
8.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
4.0 to 4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
670 to 870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
51
Strength to Weight: Axial, points 29 to 44
39 to 41
Strength to Weight: Bending, points 36 to 47
43 to 45
Thermal Diffusivity, mm2/s 53
54
Thermal Shock Resistance, points 12 to 19
17 to 18

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
93.5 to 96
Chromium (Cr), % 0 to 0.1
0 to 0.15
Copper (Cu), % 0 to 0.15
0 to 0.15
Iron (Fe), % 0 to 0.35
0 to 0.35
Magnesium (Mg), % 4.0 to 5.0
4.0 to 5.0
Manganese (Mn), % 0.2 to 0.5
0 to 0.15
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15

Comparable Variants