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2018 Aluminum vs. A384.0 Aluminum

Both 2018 aluminum and A384.0 aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 30 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 2018 aluminum and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
74
Elongation at Break, % 9.6
2.5
Fatigue Strength, MPa 120
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
28
Shear Strength, MPa 270
200
Tensile Strength: Ultimate (UTS), MPa 420
330
Tensile Strength: Yield (Proof), MPa 310
170

Thermal Properties

Latent Heat of Fusion, J/g 390
550
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 510
510
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 150
96
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
23
Electrical Conductivity: Equal Weight (Specific), % IACS 120
73

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
2.8
Embodied Carbon, kg CO2/kg material 8.1
7.5
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 670
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 41
38
Thermal Diffusivity, mm2/s 57
39
Thermal Shock Resistance, points 19
15

Alloy Composition


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Aluminum (Al), % 89.7 to 94.4
79.3 to 86.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
3.0 to 4.5
Iron (Fe), % 0 to 1.0
0 to 1.3
Magnesium (Mg), % 0.45 to 0.9
0 to 0.1
Manganese (Mn), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 1.7 to 2.3
0 to 0.5
Silicon (Si), % 0 to 0.9
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.25
0 to 1.0
Residuals, % 0 to 0.15
0 to 0.5