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5449 Aluminum vs. 2017 Aluminum

Both 5449 aluminum and 2017 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 5449 aluminum and the bottom bar is 2017 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 4.0 to 17
12 to 18
Fatigue Strength, MPa 78 to 120
90 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 130 to 190
130 to 260
Tensile Strength: Ultimate (UTS), MPa 210 to 330
190 to 430
Tensile Strength: Yield (Proof), MPa 91 to 260
76 to 260

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 590
510
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
38
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
24 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
41 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 22 to 33
17 to 40
Strength to Weight: Bending, points 29 to 39
24 to 42
Thermal Diffusivity, mm2/s 56
56
Thermal Shock Resistance, points 9.4 to 15
7.9 to 18

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
91.6 to 95.5
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.3
3.5 to 4.5
Iron (Fe), % 0 to 0.7
0 to 0.7
Magnesium (Mg), % 1.6 to 2.6
0.4 to 0.8
Manganese (Mn), % 0.6 to 1.1
0.4 to 1.0
Silicon (Si), % 0 to 0.4
0.2 to 0.8
Titanium (Ti), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.3
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants