5449 Aluminum vs. 7475 Aluminum
Both 5449 aluminum and 7475 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 5449 aluminum and the bottom bar is 7475 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 69 | |
70 |
Elongation at Break, % | 4.0 to 17 | |
10 to 12 |
Fatigue Strength, MPa | 78 to 120 | |
190 to 210 |
Poisson's Ratio | 0.33 | |
0.32 |
Shear Modulus, GPa | 26 | |
26 |
Shear Strength, MPa | 130 to 190 | |
320 to 350 |
Tensile Strength: Ultimate (UTS), MPa | 210 to 330 | |
530 to 590 |
Tensile Strength: Yield (Proof), MPa | 91 to 260 | |
440 to 520 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
380 |
Maximum Temperature: Mechanical, °C | 190 | |
180 |
Melting Completion (Liquidus), °C | 650 | |
640 |
Melting Onset (Solidus), °C | 590 | |
480 |
Specific Heat Capacity, J/kg-K | 900 | |
870 |
Thermal Conductivity, W/m-K | 140 | |
140 to 160 |
Thermal Expansion, µm/m-K | 23 | |
23 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 35 | |
33 to 42 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
98 to 120 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
10 |
Density, g/cm3 | 2.8 | |
3.0 |
Embodied Carbon, kg CO2/kg material | 8.5 | |
8.2 |
Embodied Energy, MJ/kg | 150 | |
150 |
Embodied Water, L/kg | 1180 | |
1130 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 29 | |
53 to 68 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 60 to 480 | |
1390 to 1920 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 50 | |
46 |
Strength to Weight: Axial, points | 22 to 33 | |
49 to 55 |
Strength to Weight: Bending, points | 29 to 39 | |
48 to 52 |
Thermal Diffusivity, mm2/s | 56 | |
53 to 63 |
Thermal Shock Resistance, points | 9.4 to 15 | |
23 to 26 |
Alloy Composition
Aluminum (Al), % | 94.1 to 97.8 | |
88.6 to 91.6 |
Chromium (Cr), % | 0 to 0.3 | |
0.18 to 0.25 |
Copper (Cu), % | 0 to 0.3 | |
1.2 to 1.9 |
Iron (Fe), % | 0 to 0.7 | |
0 to 0.12 |
Magnesium (Mg), % | 1.6 to 2.6 | |
1.9 to 2.6 |
Manganese (Mn), % | 0.6 to 1.1 | |
0 to 0.060 |
Silicon (Si), % | 0 to 0.4 | |
0 to 0.1 |
Titanium (Ti), % | 0 to 0.1 | |
0 to 0.060 |
Zinc (Zn), % | 0 to 0.3 | |
5.1 to 6.2 |
Residuals, % | 0 | |
0 to 0.15 |