EN 1.4418 Stainless Steel vs. 295.0 Aluminum
EN 1.4418 stainless steel belongs to the iron alloys classification, while 295.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 1.4418 stainless steel and the bottom bar is 295.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 71 |
| Elongation at Break, % | 16 to 20 | |
| 2.0 to 7.2 |
| Fatigue Strength, MPa | 350 to 480 | |
| 44 to 55 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 27 |
| Shear Strength, MPa | 530 to 620 | |
| 180 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1000 | |
| 230 to 280 |
| Tensile Strength: Yield (Proof), MPa | 540 to 790 | |
| 100 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 170 |
| Melting Completion (Liquidus), °C | 1450 | |
| 640 |
| Melting Onset (Solidus), °C | 1400 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 880 |
| Thermal Conductivity, W/m-K | 15 | |
| 140 |
| Thermal Expansion, µm/m-K | 10 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 10 |
| Density, g/cm3 | 7.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 7.9 |
| Embodied Energy, MJ/kg | 39 | |
| 150 |
| Embodied Water, L/kg | 130 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 5.2 to 13 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 to 1590 | |
| 77 to 340 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 46 |
| Strength to Weight: Axial, points | 31 to 36 | |
| 21 to 26 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 27 to 32 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 54 |
| Thermal Shock Resistance, points | 31 to 36 | |
| 9.8 to 12 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 91.4 to 95.3 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 0 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 73.2 to 80.2 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0.8 to 1.5 | |
| 0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 0.7 | |
| 0.7 to 1.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.15 |