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238.0 Aluminum vs. 520.0 Aluminum

Both 238.0 aluminum and 520.0 aluminum are aluminum alloys. They have 84% of their average alloy composition in common. There are 29 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 238.0 aluminum and the bottom bar is 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
66
Elongation at Break, % 1.5
14
Fatigue Strength, MPa 110
55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
25
Tensile Strength: Ultimate (UTS), MPa 210
330
Tensile Strength: Yield (Proof), MPa 170
170

Thermal Properties

Latent Heat of Fusion, J/g 430
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 840
910
Thermal Conductivity, W/m-K 100
87
Thermal Expansion, µm/m-K 21
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
21
Electrical Conductivity: Equal Weight (Specific), % IACS 67
72

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.6
Embodied Carbon, kg CO2/kg material 7.4
9.8
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
39
Resilience: Unit (Modulus of Resilience), kJ/m3 180
230
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
52
Strength to Weight: Axial, points 17
35
Strength to Weight: Bending, points 23
41
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 9.1
14

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
87.9 to 90.5
Copper (Cu), % 9.5 to 10.5
0 to 0.25
Iron (Fe), % 1.0 to 1.5
0 to 0.3
Magnesium (Mg), % 0 to 0.25
9.5 to 10.6
Manganese (Mn), % 0
0 to 0.15
Silicon (Si), % 3.6 to 4.4
0 to 0.25
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 1.0 to 1.5
0 to 0.15
Residuals, % 0
0 to 0.15