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2018 Aluminum vs. 359.0 Aluminum

Both 2018 aluminum and 359.0 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 2018 aluminum and the bottom bar is 359.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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