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2018 Aluminum vs. 5088 Aluminum

Both 2018 aluminum and 5088 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 2018 aluminum and the bottom bar is 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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