S15500 Stainless Steel vs. 850.0 Aluminum
S15500 stainless steel belongs to the iron alloys classification, while 850.0 aluminum belongs to the aluminum alloys. There are 31 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 S15500 stainless steel and the bottom bar is 850.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 to 430 | |
| 45 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 69 |
| Elongation at Break, % | 6.8 to 16 | |
| 7.9 |
| Fatigue Strength, MPa | 350 to 650 | |
| 59 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 75 | |
| 26 |
| Shear Strength, MPa | 540 to 870 | |
| 100 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1490 | |
| 140 |
| Tensile Strength: Yield (Proof), MPa | 590 to 1310 | |
| 76 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 820 | |
| 190 |
| Melting Completion (Liquidus), °C | 1430 | |
| 650 |
| Melting Onset (Solidus), °C | 1380 | |
| 370 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 850 |
| Thermal Conductivity, W/m-K | 17 | |
| 180 |
| Thermal Expansion, µm/m-K | 11 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 47 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 14 |
| Density, g/cm3 | 7.8 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 8.5 |
| Embodied Energy, MJ/kg | 39 | |
| 160 |
| Embodied Water, L/kg | 130 | |
| 1160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 120 | |
| 9.1 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 890 to 4460 | |
| 42 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 25 | |
| 44 |
| Strength to Weight: Axial, points | 32 to 53 | |
| 12 |
| Strength to Weight: Bending, points | 26 to 37 | |
| 19 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 69 |
| Thermal Shock Resistance, points | 30 to 50 | |
| 6.1 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 88.3 to 93.1 |
| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 14 to 15.5 | |
| 0 |
| Copper (Cu), % | 2.5 to 4.5 | |
| 0.7 to 1.3 |
| Iron (Fe), % | 71.9 to 79.9 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0.7 to 1.3 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 5.5 to 7.0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.3 |