N08028 Stainless Steel vs. 7050 Aluminum
N08028 stainless steel belongs to the iron alloys classification, while 7050 aluminum belongs to the aluminum 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 N08028 stainless steel and the bottom bar is 7050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 70 |
| Elongation at Break, % | 45 | |
| 2.2 to 12 |
| Fatigue Strength, MPa | 220 | |
| 130 to 210 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 80 | |
| 26 |
| Shear Strength, MPa | 400 | |
| 280 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 570 | |
| 490 to 570 |
| Tensile Strength: Yield (Proof), MPa | 240 | |
| 390 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 190 |
| Melting Completion (Liquidus), °C | 1420 | |
| 630 |
| Melting Onset (Solidus), °C | 1370 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 860 |
| Thermal Conductivity, W/m-K | 12 | |
| 140 |
| Thermal Expansion, µm/m-K | 16 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 10 |
| Density, g/cm3 | 8.1 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 6.4 | |
| 8.2 |
| Embodied Energy, MJ/kg | 89 | |
| 150 |
| Embodied Water, L/kg | 240 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 | |
| 10 to 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 1110 to 1760 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 45 |
| Strength to Weight: Axial, points | 19 | |
| 45 to 51 |
| Strength to Weight: Bending, points | 19 | |
| 45 to 50 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 54 |
| Thermal Shock Resistance, points | 12 | |
| 21 to 25 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 87.3 to 92.1 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 26 to 28 | |
| 0 to 0.040 |
| Copper (Cu), % | 0.6 to 1.4 | |
| 2.0 to 2.6 |
| Iron (Fe), % | 29 to 40.4 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 0 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 0 to 2.5 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 3.0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 30 to 34 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.12 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.060 |
| Zinc (Zn), % | 0 | |
| 5.7 to 6.7 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.15 |
| Residuals, % | 0 | |
| 0 to 0.15 |