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238.0 Aluminum vs. 5449 Aluminum

Both 238.0 aluminum and 5449 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 (1, in this case) are not shown.

For each property being compared, the top bar is 238.0 aluminum and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
69
Elongation at Break, % 1.5
4.0 to 17
Fatigue Strength, MPa 110
78 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 210
210 to 330
Tensile Strength: Yield (Proof), MPa 170
91 to 260

Thermal Properties

Latent Heat of Fusion, J/g 430
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 510
590
Specific Heat Capacity, J/kg-K 840
900
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
35
Electrical Conductivity: Equal Weight (Specific), % IACS 67
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.8
Embodied Carbon, kg CO2/kg material 7.4
8.5
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
12 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 180
60 to 480
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
50
Strength to Weight: Axial, points 17
22 to 33
Strength to Weight: Bending, points 23
29 to 39
Thermal Diffusivity, mm2/s 37
56
Thermal Shock Resistance, points 9.1
9.4 to 15

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
94.1 to 97.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 9.5 to 10.5
0 to 0.3
Iron (Fe), % 1.0 to 1.5
0 to 0.7
Magnesium (Mg), % 0 to 0.25
1.6 to 2.6
Manganese (Mn), % 0
0.6 to 1.1
Silicon (Si), % 3.6 to 4.4
0 to 0.4
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 1.0 to 1.5
0 to 0.3
Residuals, % 0
0 to 0.15