296.0 Aluminum vs. ASTM A387 Grade 5 Steel
296.0 aluminum belongs to the aluminum alloys classification, while ASTM A387 grade 5 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 296.0 aluminum and the bottom bar is ASTM A387 grade 5 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 75 to 90 | |
| 150 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 190 |
| Elongation at Break, % | 3.2 to 7.1 | |
| 20 to 21 |
| Fatigue Strength, MPa | 47 to 70 | |
| 160 to 240 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 270 | |
| 500 to 600 |
| Tensile Strength: Yield (Proof), MPa | 120 to 180 | |
| 230 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 510 |
| Melting Completion (Liquidus), °C | 630 | |
| 1460 |
| Melting Onset (Solidus), °C | 540 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 470 |
| Thermal Conductivity, W/m-K | 130 to 150 | |
| 40 |
| Thermal Expansion, µm/m-K | 22 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 to 37 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 to 110 | |
| 9.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 4.3 |
| Density, g/cm3 | 3.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 1.7 |
| Embodied Energy, MJ/kg | 150 | |
| 23 |
| Embodied Water, L/kg | 1110 | |
| 69 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.6 to 15 | |
| 83 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 220 | |
| 140 to 320 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 25 |
| Strength to Weight: Axial, points | 24 to 25 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 30 to 31 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 51 to 56 | |
| 11 |
| Thermal Shock Resistance, points | 12 | |
| 14 to 17 |
Alloy Composition
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| Aluminum (Al), % | 89 to 94 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 4.0 to 6.0 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 |
| Iron (Fe), % | 0 to 1.2 | |
| 92.1 to 95.3 |
| Magnesium (Mg), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.45 to 0.65 |
| Nickel (Ni), % | 0 to 0.35 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 2.0 to 3.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.35 | |
| 0 |