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5088 Aluminum vs. 2018 Aluminum

Both 5088 aluminum and 2018 aluminum are aluminum alloys. They have a moderately high 94% 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 5088 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
73
Elongation at Break, % 29
9.6
Fatigue Strength, MPa 180
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Shear Strength, MPa 200
270
Tensile Strength: Ultimate (UTS), MPa 310
420
Tensile Strength: Yield (Proof), MPa 150
310

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
40
Electrical Conductivity: Equal Weight (Specific), % IACS 98
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 9.0
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
37
Resilience: Unit (Modulus of Resilience), kJ/m3 170
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 32
38
Strength to Weight: Bending, points 38
41
Thermal Diffusivity, mm2/s 51
57
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
89.7 to 94.4
Chromium (Cr), % 0 to 0.15
0 to 0.1
Copper (Cu), % 0 to 0.25
3.5 to 4.5
Iron (Fe), % 0.1 to 0.35
0 to 1.0
Magnesium (Mg), % 4.7 to 5.5
0.45 to 0.9
Manganese (Mn), % 0.2 to 0.5
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0 to 0.2
0 to 0.9
Zinc (Zn), % 0.2 to 0.4
0 to 0.25
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15