ASTM A372 Grade J Steel vs. 5026 Aluminum
ASTM A372 grade J steel belongs to the iron alloys classification, while 5026 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 ASTM A372 grade J steel and the bottom bar is 5026 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 70 |
| Elongation at Break, % | 17 to 22 | |
| 5.1 to 11 |
| Fatigue Strength, MPa | 310 to 570 | |
| 94 to 140 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 26 |
| Shear Strength, MPa | 410 to 630 | |
| 150 to 180 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 1020 | |
| 260 to 320 |
| Tensile Strength: Yield (Proof), MPa | 430 to 850 | |
| 120 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 210 |
| Melting Completion (Liquidus), °C | 1460 | |
| 650 |
| Melting Onset (Solidus), °C | 1420 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 890 |
| Thermal Conductivity, W/m-K | 44 | |
| 130 |
| Thermal Expansion, µm/m-K | 13 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 31 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 8.9 |
| Embodied Energy, MJ/kg | 20 | |
| 150 |
| Embodied Water, L/kg | 51 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 15 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 1930 | |
| 100 to 440 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 49 |
| Strength to Weight: Axial, points | 23 to 36 | |
| 26 to 32 |
| Strength to Weight: Bending, points | 21 to 29 | |
| 33 to 37 |
| Thermal Diffusivity, mm2/s | 12 | |
| 52 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 11 to 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 88.2 to 94.7 |
| Carbon (C), % | 0.35 to 0.5 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0.1 to 0.8 |
| Iron (Fe), % | 96.7 to 97.8 | |
| 0.2 to 1.0 |
| Magnesium (Mg), % | 0 | |
| 3.9 to 4.9 |
| Manganese (Mn), % | 0.75 to 1.1 | |
| 0.6 to 1.8 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0.55 to 1.4 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.3 |
| Residuals, % | 0 | |
| 0 to 0.15 |