AISI 204 Stainless Steel vs. 5110A Aluminum
AISI 204 stainless steel belongs to the iron alloys classification, while 5110A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 AISI 204 stainless steel and the bottom bar is 5110A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 68 |
| Elongation at Break, % | 23 to 39 | |
| 4.5 to 28 |
| Fatigue Strength, MPa | 320 to 720 | |
| 37 to 77 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 26 |
| Shear Strength, MPa | 500 to 700 | |
| 66 to 110 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1100 | |
| 100 to 190 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1080 | |
| 32 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 180 |
| Melting Completion (Liquidus), °C | 1410 | |
| 640 |
| Melting Onset (Solidus), °C | 1370 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 900 |
| Thermal Conductivity, W/m-K | 15 | |
| 220 |
| Thermal Expansion, µm/m-K | 17 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 57 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 190 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 7.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 8.3 |
| Embodied Energy, MJ/kg | 35 | |
| 150 |
| Embodied Water, L/kg | 130 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 to 250 | |
| 6.8 to 22 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 2940 | |
| 7.6 to 200 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 50 |
| Strength to Weight: Axial, points | 27 to 40 | |
| 10 to 19 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 18 to 27 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 91 |
| Thermal Shock Resistance, points | 16 to 24 | |
| 4.5 to 8.4 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 98.5 to 99.8 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 69.6 to 76.4 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 0 | |
| 0.2 to 0.6 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 0 to 0.2 |
| Nickel (Ni), % | 1.5 to 3.0 | |
| 0 |
| Nitrogen (N), % | 0.15 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 | |
| 0 to 0.1 |