5254 Aluminum vs. S30615 Stainless Steel
5254 aluminum belongs to the aluminum alloys classification, while S30615 stainless steel belongs to the iron alloys. There are 28 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 5254 aluminum and the bottom bar is S30615 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 190 |
| Elongation at Break, % | 3.4 to 22 | |
| 39 |
| Fatigue Strength, MPa | 110 to 160 | |
| 270 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 26 | |
| 75 |
| Shear Strength, MPa | 150 to 200 | |
| 470 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 350 | |
| 690 |
| Tensile Strength: Yield (Proof), MPa | 100 to 270 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 960 |
| Melting Completion (Liquidus), °C | 640 | |
| 1370 |
| Melting Onset (Solidus), °C | 590 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 500 |
| Thermal Conductivity, W/m-K | 130 | |
| 14 |
| Thermal Expansion, µm/m-K | 24 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 19 |
| Density, g/cm3 | 2.7 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 8.8 | |
| 3.7 |
| Embodied Energy, MJ/kg | 150 | |
| 53 |
| Embodied Water, L/kg | 1180 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 41 | |
| 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 73 to 550 | |
| 260 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 51 | |
| 25 |
| Strength to Weight: Axial, points | 25 to 37 | |
| 25 |
| Strength to Weight: Bending, points | 32 to 41 | |
| 23 |
| Thermal Diffusivity, mm2/s | 52 | |
| 3.7 |
| Thermal Shock Resistance, points | 10 to 16 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 94.4 to 96.8 | |
| 0.8 to 1.5 |
| Carbon (C), % | 0 | |
| 0.16 to 0.24 |
| Chromium (Cr), % | 0.15 to 0.35 | |
| 17 to 19.5 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Iron (Fe), % | 0 to 0.45 | |
| 56.7 to 65.3 |
| Magnesium (Mg), % | 3.1 to 3.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.010 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 13.5 to 16 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.45 | |
| 3.2 to 4.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |