EN 1.4655 Stainless Steel vs. 5454 Aluminum
EN 1.4655 stainless steel belongs to the iron alloys classification, while 5454 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 EN 1.4655 stainless steel and the bottom bar is 5454 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 69 |
| Elongation at Break, % | 23 to 25 | |
| 2.3 to 18 |
| Fatigue Strength, MPa | 320 | |
| 83 to 160 |
| Poisson's Ratio | 0.27 | |
| 0.33 |
| Shear Modulus, GPa | 78 | |
| 26 |
| Shear Strength, MPa | 460 | |
| 140 to 200 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 730 | |
| 230 to 350 |
| Tensile Strength: Yield (Proof), MPa | 450 to 480 | |
| 97 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 1050 | |
| 190 |
| Melting Completion (Liquidus), °C | 1420 | |
| 650 |
| Melting Onset (Solidus), °C | 1370 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 900 |
| Thermal Conductivity, W/m-K | 15 | |
| 130 |
| Thermal Expansion, µm/m-K | 13 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 9.5 |
| Density, g/cm3 | 7.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 8.6 |
| Embodied Energy, MJ/kg | 41 | |
| 150 |
| Embodied Water, L/kg | 160 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 160 | |
| 6.3 to 34 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 to 580 | |
| 68 to 590 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 50 |
| Strength to Weight: Axial, points | 26 | |
| 23 to 36 |
| Strength to Weight: Bending, points | 23 | |
| 30 to 41 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 55 |
| Thermal Shock Resistance, points | 20 | |
| 10 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 94.5 to 97.1 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 22 to 24 | |
| 0.050 to 0.2 |
| Copper (Cu), % | 1.0 to 3.0 | |
| 0 to 0.1 |
| Iron (Fe), % | 63.6 to 73.4 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0 | |
| 2.4 to 3.0 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.5 to 1.0 |
| Molybdenum (Mo), % | 0.1 to 0.6 | |
| 0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0 |
| Nitrogen (N), % | 0.050 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.25 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 | |
| 0 to 0.15 |