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5449 Aluminum vs. 6463 Aluminum

Both 5449 aluminum and 6463 aluminum are aluminum alloys. They have a very high 97% 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 5449 aluminum and the bottom bar is 6463 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 4.0 to 17
9.0 to 17
Fatigue Strength, MPa 78 to 120
45 to 76
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 130 to 190
86 to 150
Tensile Strength: Ultimate (UTS), MPa 210 to 330
140 to 230
Tensile Strength: Yield (Proof), MPa 91 to 260
82 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 590
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 140
190 to 210
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
50 to 55
Electrical Conductivity: Equal Weight (Specific), % IACS 110
170 to 180

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
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
50 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 22 to 33
14 to 24
Strength to Weight: Bending, points 29 to 39
22 to 31
Thermal Diffusivity, mm2/s 56
79 to 86
Thermal Shock Resistance, points 9.4 to 15
6.3 to 10

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
97.9 to 99.4
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0 to 0.2
Iron (Fe), % 0 to 0.7
0 to 0.15
Magnesium (Mg), % 1.6 to 2.6
0.45 to 0.9
Manganese (Mn), % 0.6 to 1.1
0 to 0.050
Silicon (Si), % 0 to 0.4
0.2 to 0.6
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
0 to 0.050
Residuals, % 0
0 to 0.15