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5021 Aluminum vs. 518.0 Aluminum

Both 5021 aluminum and 518.0 aluminum are aluminum alloys. They have a moderately high 94% 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 5021 aluminum and the bottom bar is 518.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
67
Elongation at Break, % 1.1 to 3.4
5.0
Fatigue Strength, MPa 85 to 110
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 170
200
Tensile Strength: Ultimate (UTS), MPa 300 to 310
310
Tensile Strength: Yield (Proof), MPa 240 to 270
190

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 590
560
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 140
98
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
24
Electrical Conductivity: Equal Weight (Specific), % IACS 120
81

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.6
9.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 10
14
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 550
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 30 to 32
32
Strength to Weight: Bending, points 37
38
Thermal Diffusivity, mm2/s 57
40
Thermal Shock Resistance, points 13 to 14
14

Alloy Composition

Aluminum (Al), % 95.2 to 97.7
88.1 to 92.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 1.8
Magnesium (Mg), % 2.2 to 2.8
7.5 to 8.5
Manganese (Mn), % 0.1 to 0.5
0 to 0.35
Nickel (Ni), % 0
0 to 0.15
Silicon (Si), % 0 to 0.4
0 to 0.35
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.15
0 to 0.15
Residuals, % 0
0 to 0.25