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2018 Aluminum vs. A201.0 Aluminum

Both 2018 aluminum and A201.0 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 2018 aluminum and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
71
Elongation at Break, % 9.6
4.7
Fatigue Strength, MPa 120
97
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 420
480
Tensile Strength: Yield (Proof), MPa 310
420

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 510
570
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
90

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
22
Resilience: Unit (Modulus of Resilience), kJ/m3 670
1250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
46
Strength to Weight: Axial, points 38
44
Strength to Weight: Bending, points 41
45
Thermal Diffusivity, mm2/s 57
46
Thermal Shock Resistance, points 19
21

Alloy Composition


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Aluminum (Al), % 89.7 to 94.4
93.7 to 95.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
4.0 to 5.0
Iron (Fe), % 0 to 1.0
0 to 0.1
Magnesium (Mg), % 0.45 to 0.9
0.15 to 0.35
Manganese (Mn), % 0 to 0.2
0.2 to 0.4
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.35
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.1