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5449 Aluminum vs. 2030 Aluminum

Both 5449 aluminum and 2030 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5449 aluminum and the bottom bar is 2030 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 4.0 to 17
5.6 to 8.0
Fatigue Strength, MPa 78 to 120
91 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 130 to 190
220 to 250
Tensile Strength: Ultimate (UTS), MPa 210 to 330
370 to 420
Tensile Strength: Yield (Proof), MPa 91 to 260
240 to 270

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
870
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.1
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
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
390 to 530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 22 to 33
33 to 38
Strength to Weight: Bending, points 29 to 39
37 to 40
Thermal Diffusivity, mm2/s 56
50
Thermal Shock Resistance, points 9.4 to 15
16 to 19

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
88.9 to 95.2
Bismuth (Bi), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.3
3.3 to 4.5
Iron (Fe), % 0 to 0.7
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Magnesium (Mg), % 1.6 to 2.6
0.5 to 1.3
Manganese (Mn), % 0.6 to 1.1
0.2 to 1.0
Silicon (Si), % 0 to 0.4
0 to 0.8
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0
0 to 0.3