5026 Aluminum vs. Grey Cast Iron
5026 aluminum belongs to the aluminum alloys classification, while grey cast iron belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is 5026 aluminum and the bottom bar is grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 180 |
| Elongation at Break, % | 5.1 to 11 | |
| 9.6 |
| Fatigue Strength, MPa | 94 to 140 | |
| 69 to 170 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 69 |
| Shear Strength, MPa | 150 to 180 | |
| 180 to 610 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 320 | |
| 160 to 450 |
| Tensile Strength: Yield (Proof), MPa | 120 to 250 | |
| 98 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 280 |
| Melting Completion (Liquidus), °C | 650 | |
| 1380 |
| Melting Onset (Solidus), °C | 510 | |
| 1180 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 490 |
| Thermal Conductivity, W/m-K | 130 | |
| 46 |
| Thermal Expansion, µm/m-K | 23 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 31 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 1.9 |
| Density, g/cm3 | 2.8 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 8.9 | |
| 1.5 |
| Embodied Energy, MJ/kg | 150 | |
| 21 |
| Embodied Water, L/kg | 1150 | |
| 44 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 29 | |
| 13 to 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 440 | |
| 27 to 240 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 49 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 32 | |
| 5.8 to 17 |
| Strength to Weight: Bending, points | 33 to 37 | |
| 8.7 to 17 |
| Thermal Diffusivity, mm2/s | 52 | |
| 13 |
| Thermal Shock Resistance, points | 11 to 14 | |
| 6.0 to 17 |
Alloy Composition
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| Aluminum (Al), % | 88.2 to 94.7 | |
| 0 |
| Carbon (C), % | 0 | |
| 3.1 to 3.4 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0.1 to 0.8 | |
| 0 |
| Iron (Fe), % | 0.2 to 1.0 | |
| 92.1 to 93.9 |
| Magnesium (Mg), % | 3.9 to 4.9 | |
| 0 |
| Manganese (Mn), % | 0.6 to 1.8 | |
| 0.5 to 0.7 |
| Phosphorus (P), % | 0 | |
| 0 to 0.9 |
| Silicon (Si), % | 0.55 to 1.4 | |
| 2.5 to 2.8 |
| Sulfur (S), % | 0 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.3 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |