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2618 Aluminum vs. 5182 Aluminum

Both 2618 aluminum and 5182 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 2618 aluminum and the bottom bar is 5182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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