S46500 Stainless Steel vs. 6101B Aluminum
S46500 stainless steel belongs to the iron alloys classification, while 6101B aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 S46500 stainless steel and the bottom bar is 6101B aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 68 |
| Elongation at Break, % | 2.3 to 14 | |
| 9.1 to 13 |
| Fatigue Strength, MPa | 550 to 890 | |
| 62 to 70 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 75 | |
| 26 |
| Shear Strength, MPa | 730 to 1120 | |
| 120 to 150 |
| Tensile Strength: Ultimate (UTS), MPa | 1260 to 1930 | |
| 190 to 250 |
| Tensile Strength: Yield (Proof), MPa | 1120 to 1810 | |
| 140 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 780 | |
| 160 |
| Melting Completion (Liquidus), °C | 1450 | |
| 640 |
| Melting Onset (Solidus), °C | 1410 | |
| 630 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Expansion, µm/m-K | 11 | |
| 23 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 9.5 |
| Density, g/cm3 | 7.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 8.3 |
| Embodied Energy, MJ/kg | 51 | |
| 150 |
| Embodied Water, L/kg | 120 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 210 | |
| 20 to 23 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 50 |
| Strength to Weight: Axial, points | 44 to 68 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 33 to 44 | |
| 27 to 32 |
| Thermal Shock Resistance, points | 44 to 67 | |
| 8.5 to 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 98.2 to 99.3 |
| Carbon (C), % | 0 to 0.020 | |
| 0 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.050 |
| Iron (Fe), % | 72.6 to 76.1 | |
| 0.1 to 0.3 |
| Magnesium (Mg), % | 0 | |
| 0.35 to 0.6 |
| Manganese (Mn), % | 0 to 0.25 | |
| 0 to 0.050 |
| Molybdenum (Mo), % | 0.75 to 1.3 | |
| 0 |
| Nickel (Ni), % | 10.7 to 11.3 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.25 | |
| 0.3 to 0.6 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 1.5 to 1.8 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.1 |