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5449 Aluminum vs. 1080 Aluminum

Both 5449 aluminum and 1080 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 1080 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 4.0 to 17
4.6 to 40
Fatigue Strength, MPa 78 to 120
21 to 48
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 130 to 190
49 to 78
Tensile Strength: Ultimate (UTS), MPa 210 to 330
72 to 130
Tensile Strength: Yield (Proof), MPa 91 to 260
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 590
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 140
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
61
Electrical Conductivity: Equal Weight (Specific), % IACS 110
200

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
160
Embodied Water, L/kg 1180
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
4.7 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
2.1 to 100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 22 to 33
7.4 to 14
Strength to Weight: Bending, points 29 to 39
14 to 22
Thermal Diffusivity, mm2/s 56
94
Thermal Shock Resistance, points 9.4 to 15
3.2 to 6.0

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
99.8 to 100
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.7
0 to 0.15
Magnesium (Mg), % 1.6 to 2.6
0 to 0.020
Manganese (Mn), % 0.6 to 1.1
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.15
Titanium (Ti), % 0 to 0.1
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.3
0 to 0.030
Residuals, % 0
0 to 0.020

Comparable Variants