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5005 Aluminum vs. 2018 Aluminum

Both 5005 aluminum and 2018 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 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 5005 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 64
120
Elastic (Young's, Tensile) Modulus, GPa 68
73
Elongation at Break, % 1.1 to 23
9.6
Fatigue Strength, MPa 38 to 86
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 70 to 130
270
Tensile Strength: Ultimate (UTS), MPa 110 to 230
420
Tensile Strength: Yield (Proof), MPa 41 to 210
310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 630
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 200
150
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
40
Electrical Conductivity: Equal Weight (Specific), % IACS 170
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 22
37
Resilience: Unit (Modulus of Resilience), kJ/m3 12 to 320
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 11 to 23
38
Strength to Weight: Bending, points 19 to 31
41
Thermal Diffusivity, mm2/s 82
57
Thermal Shock Resistance, points 4.9 to 10
19

Alloy Composition

Aluminum (Al), % 97 to 99.5
89.7 to 94.4
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 0 to 0.2
3.5 to 4.5
Iron (Fe), % 0 to 0.7
0 to 1.0
Magnesium (Mg), % 0.5 to 1.1
0.45 to 0.9
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0 to 0.3
0 to 0.9
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.15