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1070A Aluminum vs. 5449 Aluminum

Both 1070A aluminum and 5449 aluminum are aluminum alloys. They have a very high 96% 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 1070A aluminum and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 2.3 to 33
4.0 to 17
Fatigue Strength, MPa 17 to 51
78 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 44 to 81
130 to 190
Tensile Strength: Ultimate (UTS), MPa 68 to 140
210 to 330
Tensile Strength: Yield (Proof), MPa 17 to 120
91 to 260

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
35
Electrical Conductivity: Equal Weight (Specific), % IACS 200
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.2
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
12 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
60 to 480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.0 to 14
22 to 33
Strength to Weight: Bending, points 14 to 22
29 to 39
Thermal Diffusivity, mm2/s 94
56
Thermal Shock Resistance, points 3.1 to 6.3
9.4 to 15

Alloy Composition


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Aluminum (Al), % 99.7 to 100
94.1 to 97.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.3
Iron (Fe), % 0 to 0.25
0 to 0.7
Magnesium (Mg), % 0 to 0.030
1.6 to 2.6
Manganese (Mn), % 0 to 0.030
0.6 to 1.1
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0 to 0.030
0 to 0.1
Zinc (Zn), % 0 to 0.070
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants