1350 Aluminum vs. ASTM A387 Grade 12 Steel
1350 aluminum belongs to the aluminum alloys classification, while ASTM A387 grade 12 steel belongs to the iron alloys. There are 31 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 1350 aluminum and the bottom bar is ASTM A387 grade 12 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 20 to 45 | |
| 140 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 190 |
| Elongation at Break, % | 1.4 to 30 | |
| 25 |
| Fatigue Strength, MPa | 24 to 50 | |
| 190 to 230 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 73 |
| Shear Strength, MPa | 44 to 110 | |
| 300 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 68 to 190 | |
| 470 to 520 |
| Tensile Strength: Yield (Proof), MPa | 25 to 170 | |
| 260 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 430 |
| Melting Completion (Liquidus), °C | 660 | |
| 1470 |
| Melting Onset (Solidus), °C | 650 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 230 | |
| 44 |
| Thermal Expansion, µm/m-K | 24 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 61 to 62 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 200 to 210 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 2.8 |
| Density, g/cm3 | 2.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 1.6 |
| Embodied Energy, MJ/kg | 160 | |
| 21 |
| Embodied Water, L/kg | 1200 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 0.77 to 54 | |
| 98 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4.4 to 200 | |
| 180 to 250 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 24 |
| Strength to Weight: Axial, points | 7.0 to 19 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 14 to 27 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 96 | |
| 12 |
| Thermal Shock Resistance, points | 3.0 to 8.2 | |
| 14 to 15 |
Alloy Composition
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| Aluminum (Al), % | 99.5 to 100 | |
| 0 |
| Boron (B), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.050 to 0.17 |
| Chromium (Cr), % | 0 to 0.010 | |
| 0.8 to 1.2 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Gallium (Ga), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 97 to 98.2 |
| Manganese (Mn), % | 0 to 0.010 | |
| 0.4 to 0.65 |
| Molybdenum (Mo), % | 0 | |
| 0.45 to 0.6 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Vanadium (V), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.1 | |
| 0 |