2007 Aluminum vs. ASTM A387 Grade 11 Steel
2007 aluminum belongs to the aluminum alloys classification, while ASTM A387 grade 11 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 2007 aluminum and the bottom bar is ASTM A387 grade 11 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 190 |
| Elongation at Break, % | 5.6 to 8.0 | |
| 25 |
| Fatigue Strength, MPa | 91 to 110 | |
| 200 to 250 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 73 |
| Shear Strength, MPa | 220 to 250 | |
| 320 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 420 | |
| 500 to 600 |
| Tensile Strength: Yield (Proof), MPa | 240 to 270 | |
| 270 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 430 |
| Melting Completion (Liquidus), °C | 640 | |
| 1460 |
| Melting Onset (Solidus), °C | 510 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 470 |
| Thermal Conductivity, W/m-K | 130 | |
| 39 |
| Thermal Expansion, µm/m-K | 23 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 47 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 2.9 |
| Density, g/cm3 | 3.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 1.6 |
| Embodied Energy, MJ/kg | 150 | |
| 21 |
| Embodied Water, L/kg | 1130 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 26 | |
| 100 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 to 530 | |
| 200 to 320 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 24 |
| Strength to Weight: Axial, points | 33 to 38 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 37 to 40 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 48 | |
| 11 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 15 to 18 |
Alloy Composition
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| Aluminum (Al), % | 87.5 to 95 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.2 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.050 to 0.17 |
| Chromium (Cr), % | 0 to 0.1 | |
| 1.0 to 1.5 |
| Copper (Cu), % | 3.3 to 4.6 | |
| 0 |
| Iron (Fe), % | 0 to 0.8 | |
| 96.2 to 97.6 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Magnesium (Mg), % | 0.4 to 1.8 | |
| 0 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 0.4 to 0.65 |
| Molybdenum (Mo), % | 0 | |
| 0.45 to 0.65 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.8 | |
| 0.5 to 0.8 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Tin (Sn), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.8 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |