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4015-O Aluminum vs. 5449-O Aluminum

Both 4015-O aluminum and 5449-O aluminum are aluminum alloys. Both are furnished in the annealed condition. They have a very high 98% 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 4015-O aluminum and the bottom bar is 5449-O aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 22
17
Fatigue Strength, MPa 57
96
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 83
130
Tensile Strength: Ultimate (UTS), MPa 130
210
Tensile Strength: Yield (Proof), MPa 51
91

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 600
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
140
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
35
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.1
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
29
Resilience: Unit (Modulus of Resilience), kJ/m3 19
60
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 13
22
Strength to Weight: Bending, points 21
29
Thermal Diffusivity, mm2/s 66
56
Thermal Shock Resistance, points 5.8
9.4

Alloy Composition

Aluminum (Al), % 94.9 to 97.9
94.1 to 97.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.2
0 to 0.3
Iron (Fe), % 0 to 0.7
0 to 0.7
Magnesium (Mg), % 0.1 to 0.5
1.6 to 2.6
Manganese (Mn), % 0.6 to 1.2
0.6 to 1.1
Silicon (Si), % 1.4 to 2.2
0 to 0.4
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.3
Residuals, % 0
0 to 0.15