S46910 Stainless Steel vs. 5049 Aluminum
S46910 stainless steel belongs to the iron alloys classification, while 5049 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 S46910 stainless steel and the bottom bar is 5049 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 270 to 630 | |
| 52 to 88 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 69 |
| Elongation at Break, % | 2.2 to 11 | |
| 2.0 to 18 |
| Fatigue Strength, MPa | 250 to 1020 | |
| 79 to 130 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 76 | |
| 26 |
| Shear Strength, MPa | 410 to 1410 | |
| 130 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 680 to 2470 | |
| 210 to 330 |
| Tensile Strength: Yield (Proof), MPa | 450 to 2290 | |
| 91 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 810 | |
| 190 |
| Melting Completion (Liquidus), °C | 1460 | |
| 650 |
| Melting Onset (Solidus), °C | 1420 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Expansion, µm/m-K | 11 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 18 | |
| 9.5 |
| Density, g/cm3 | 7.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 4.1 | |
| 8.5 |
| Embodied Energy, MJ/kg | 55 | |
| 150 |
| Embodied Water, L/kg | 140 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 to 130 | |
| 6.0 to 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 to 4780 | |
| 59 to 570 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 50 |
| Strength to Weight: Axial, points | 24 to 86 | |
| 22 to 34 |
| Strength to Weight: Bending, points | 22 to 51 | |
| 29 to 39 |
| Thermal Shock Resistance, points | 23 to 84 | |
| 9.3 to 15 |
Alloy Composition
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| Aluminum (Al), % | 0.15 to 0.5 | |
| 94.7 to 97.9 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 11 to 13 | |
| 0 to 0.3 |
| Copper (Cu), % | 1.5 to 3.5 | |
| 0 to 0.1 |
| Iron (Fe), % | 65 to 76 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0 | |
| 1.6 to 2.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.5 to 1.1 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 8.0 to 10 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0.5 to 1.2 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |