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5449 Aluminum vs. 5049 Aluminum

Both 5449 aluminum and 5049 aluminum are aluminum alloys. Their average alloy composition is basically identical. 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 5449 aluminum and the bottom bar is 5049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 4.0 to 17
2.0 to 18
Fatigue Strength, MPa 78 to 120
79 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 130 to 190
130 to 190
Tensile Strength: Ultimate (UTS), MPa 210 to 330
210 to 330
Tensile Strength: Yield (Proof), MPa 91 to 260
91 to 280

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 590
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
6.0 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
59 to 570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 22 to 33
22 to 34
Strength to Weight: Bending, points 29 to 39
29 to 39
Thermal Diffusivity, mm2/s 56
56
Thermal Shock Resistance, points 9.4 to 15
9.3 to 15

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
94.7 to 97.9
Chromium (Cr), % 0 to 0.3
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.5
Magnesium (Mg), % 1.6 to 2.6
1.6 to 2.5
Manganese (Mn), % 0.6 to 1.1
0.5 to 1.1
Silicon (Si), % 0 to 0.4
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.3
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants