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2018 Aluminum vs. B443.0 Aluminum

Both 2018 aluminum and B443.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 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 B443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
43
Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 9.6
4.9
Fatigue Strength, MPa 120
55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 270
110
Tensile Strength: Ultimate (UTS), MPa 420
150
Tensile Strength: Yield (Proof), MPa 310
50

Thermal Properties

Latent Heat of Fusion, J/g 390
470
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 510
600
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
38
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 670
18
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
52
Strength to Weight: Axial, points 38
15
Strength to Weight: Bending, points 41
23
Thermal Diffusivity, mm2/s 57
61
Thermal Shock Resistance, points 19
6.8

Alloy Composition


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Aluminum (Al), % 89.7 to 94.4
91.9 to 95.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0 to 0.15
Iron (Fe), % 0 to 1.0
0 to 0.8
Magnesium (Mg), % 0.45 to 0.9
0 to 0.050
Manganese (Mn), % 0 to 0.2
0 to 0.35
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
4.5 to 6.0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.25
0 to 0.35
Residuals, % 0 to 0.15
0 to 0.15