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A242.0 Aluminum vs. 5021 Aluminum

Both A242.0 aluminum and 5021 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is A242.0 aluminum and the bottom bar is 5021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
68
Elongation at Break, % 1.6
1.1 to 3.4
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 220
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 680
640
Melting Onset (Solidus), °C 550
590
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
35
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.6
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 20
30 to 32
Strength to Weight: Bending, points 26
37
Thermal Diffusivity, mm2/s 52
57
Thermal Shock Resistance, points 9.3
13 to 14

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
95.2 to 97.7
Chromium (Cr), % 0.15 to 0.25
0 to 0.15
Copper (Cu), % 3.7 to 4.5
0 to 0.15
Iron (Fe), % 0 to 0.8
0 to 0.5
Magnesium (Mg), % 1.2 to 1.7
2.2 to 2.8
Manganese (Mn), % 0 to 0.1
0.1 to 0.5
Nickel (Ni), % 1.8 to 2.3
0
Silicon (Si), % 0 to 0.6
0 to 0.4
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.15
Residuals, % 0
0 to 0.15