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2018 Aluminum vs. 383.0 Aluminum

Both 2018 aluminum and 383.0 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 (3, in this case) are not shown.

For each property being compared, the top bar is 2018 aluminum and the bottom bar is 383.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
75
Elastic (Young's, Tensile) Modulus, GPa 73
73
Elongation at Break, % 9.6
3.5
Fatigue Strength, MPa 120
150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
28
Tensile Strength: Ultimate (UTS), MPa 420
280
Tensile Strength: Yield (Proof), MPa 310
150

Thermal Properties

Latent Heat of Fusion, J/g 390
540
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
580
Melting Onset (Solidus), °C 510
540
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
74

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
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
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 670
150
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 41
34
Thermal Diffusivity, mm2/s 57
39
Thermal Shock Resistance, points 19
13

Alloy Composition


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Aluminum (Al), % 89.7 to 94.4
79.7 to 88.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
2.0 to 3.0
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 0.3
Silicon (Si), % 0 to 0.9
9.5 to 11.5
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 3.0
Residuals, % 0 to 0.15
0 to 0.5