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5182 Aluminum vs. 2618 Aluminum

Both 5182 aluminum and 2618 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 30 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 5182 aluminum and the bottom bar is 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.1 to 12
5.8
Fatigue Strength, MPa 100 to 130
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Shear Strength, MPa 170 to 240
260
Tensile Strength: Ultimate (UTS), MPa 280 to 420
420
Tensile Strength: Yield (Proof), MPa 130 to 360
350

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
37
Electrical Conductivity: Equal Weight (Specific), % IACS 94
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
23
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 29 to 44
40
Strength to Weight: Bending, points 36 to 47
42
Thermal Diffusivity, mm2/s 53
62
Thermal Shock Resistance, points 12 to 19
19

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
92.4 to 94.9
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
1.9 to 2.7
Iron (Fe), % 0 to 0.35
0.9 to 1.3
Magnesium (Mg), % 4.0 to 5.0
1.3 to 1.8
Manganese (Mn), % 0.2 to 0.5
0
Nickel (Ni), % 0
0.9 to 1.2
Silicon (Si), % 0 to 0.2
0.1 to 0.25
Titanium (Ti), % 0 to 0.1
0.040 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15