B390.0 Aluminum vs. S13800 Stainless Steel
B390.0 aluminum belongs to the aluminum alloys classification, while S13800 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 B390.0 aluminum and the bottom bar is S13800 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 76 | |
| 200 |
| Elongation at Break, % | 0.88 | |
| 11 to 18 |
| Fatigue Strength, MPa | 170 | |
| 410 to 870 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 29 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 320 | |
| 980 to 1730 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 660 to 1580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 640 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 810 |
| Melting Completion (Liquidus), °C | 580 | |
| 1450 |
| Melting Onset (Solidus), °C | 580 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 470 |
| Thermal Conductivity, W/m-K | 130 | |
| 16 |
| Thermal Expansion, µm/m-K | 20 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 88 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 15 |
| Density, g/cm3 | 2.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 7.3 | |
| 3.4 |
| Embodied Energy, MJ/kg | 130 | |
| 46 |
| Embodied Water, L/kg | 940 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.6 | |
| 150 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 410 | |
| 1090 to 5490 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 51 | |
| 25 |
| Strength to Weight: Axial, points | 32 | |
| 35 to 61 |
| Strength to Weight: Bending, points | 38 | |
| 28 to 41 |
| Thermal Diffusivity, mm2/s | 55 | |
| 4.3 |
| Thermal Shock Resistance, points | 15 | |
| 33 to 58 |
Alloy Composition
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| Aluminum (Al), % | 72.7 to 79.6 | |
| 0.9 to 1.4 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 12.3 to 13.2 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 |
| Iron (Fe), % | 0 to 1.3 | |
| 73.6 to 77.3 |
| Magnesium (Mg), % | 0.45 to 0.65 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.2 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 0 to 0.1 | |
| 7.5 to 8.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 16 to 18 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.0080 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |