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359.0 Aluminum vs. 2018 Aluminum

Both 359.0 aluminum and 2018 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 359.0 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 100
120
Elastic (Young's, Tensile) Modulus, GPa 71
73
Elongation at Break, % 3.8 to 4.9
9.6
Fatigue Strength, MPa 100
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 220 to 230
270
Tensile Strength: Ultimate (UTS), MPa 340 to 350
420
Tensile Strength: Yield (Proof), MPa 250 to 280
310

Thermal Properties

Latent Heat of Fusion, J/g 530
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 570
510
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
40
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
3.1
Embodied Carbon, kg CO2/kg material 8.0
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1090
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 15
37
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 540
670
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
45
Strength to Weight: Axial, points 37 to 38
38
Strength to Weight: Bending, points 42 to 43
41
Thermal Diffusivity, mm2/s 59
57
Thermal Shock Resistance, points 16 to 17
19

Alloy Composition

Aluminum (Al), % 88.9 to 91
89.7 to 94.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.2
3.5 to 4.5
Iron (Fe), % 0 to 0.2
0 to 1.0
Magnesium (Mg), % 0.5 to 0.7
0.45 to 0.9
Manganese (Mn), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 8.5 to 9.5
0 to 0.9
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0
0 to 0.15