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201.0 Aluminum vs. 2018 Aluminum

Both 201.0 aluminum and 2018 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 201.0 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 140
120
Elastic (Young's, Tensile) Modulus, GPa 71
73
Elongation at Break, % 4.4 to 20
9.6
Fatigue Strength, MPa 120 to 150
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 290
270
Tensile Strength: Ultimate (UTS), MPa 370 to 470
420
Tensile Strength: Yield (Proof), MPa 220 to 400
310

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 570
510
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 19
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30 to 33
40
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 97
120

Otherwise Unclassified Properties

Base Metal Price, % relative 38
11
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 8.7
8.1
Embodied Energy, MJ/kg 160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 63
37
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 1160
670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
45
Strength to Weight: Axial, points 33 to 42
38
Strength to Weight: Bending, points 37 to 44
41
Thermal Diffusivity, mm2/s 45
57
Thermal Shock Resistance, points 19 to 25
19

Alloy Composition

Aluminum (Al), % 92.1 to 95.1
89.7 to 94.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 4.0 to 5.2
3.5 to 4.5
Iron (Fe), % 0 to 0.15
0 to 1.0
Magnesium (Mg), % 0.15 to 0.55
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 0.1
0 to 0.9
Silver (Ag), % 0.4 to 1.0
0
Titanium (Ti), % 0.15 to 0.35
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0 to 0.1
0 to 0.15