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319.0 Aluminum vs. 5449 Aluminum

Both 319.0 aluminum and 5449 aluminum are aluminum alloys. They have 90% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 319.0 aluminum and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
69
Elongation at Break, % 1.8 to 2.0
4.0 to 17
Fatigue Strength, MPa 76 to 80
78 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 170 to 210
130 to 190
Tensile Strength: Ultimate (UTS), MPa 190 to 240
210 to 330
Tensile Strength: Yield (Proof), MPa 110 to 180
91 to 260

Thermal Properties

Latent Heat of Fusion, J/g 480
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 540
590
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
35
Electrical Conductivity: Equal Weight (Specific), % IACS 84
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 7.7
8.5
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1080
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
12 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
60 to 480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
50
Strength to Weight: Axial, points 18 to 24
22 to 33
Strength to Weight: Bending, points 25 to 30
29 to 39
Thermal Diffusivity, mm2/s 44
56
Thermal Shock Resistance, points 8.6 to 11
9.4 to 15

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
94.1 to 97.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 3.0 to 4.0
0 to 0.3
Iron (Fe), % 0 to 1.0
0 to 0.7
Magnesium (Mg), % 0 to 0.1
1.6 to 2.6
Manganese (Mn), % 0 to 0.5
0.6 to 1.1
Nickel (Ni), % 0 to 0.35
0
Silicon (Si), % 5.5 to 6.5
0 to 0.4
Titanium (Ti), % 0 to 0.25
0 to 0.1
Zinc (Zn), % 0 to 1.0
0 to 0.3
Residuals, % 0
0 to 0.15