5110A-H18 Aluminum vs. 5251-H18 Aluminum
Both 5110A-H18 aluminum and 5251-H18 aluminum are aluminum alloys. Both are furnished in the H18 temper. 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 5110A-H18 aluminum and the bottom bar is 5251-H18 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 68 |
| Elongation at Break, % | 4.5 | |
| 2.0 |
| Fatigue Strength, MPa | 64 | |
| 89 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 110 | |
| 160 |
| Tensile Strength: Ultimate (UTS), MPa | 190 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 640 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 220 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 57 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 190 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.5 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1190 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.1 | |
| 5.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
| 450 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 19 | |
| 29 |
| Strength to Weight: Bending, points | 27 | |
| 35 |
| Thermal Diffusivity, mm2/s | 91 | |
| 61 |
| Thermal Shock Resistance, points | 8.4 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 98.5 to 99.8 | |
| 95.5 to 98.2 |
| Chromium (Cr), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0.2 to 0.6 | |
| 1.7 to 2.4 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0.1 to 0.5 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 to 0.030 | |
| 0 to 0.15 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.15 |