EN 1.4418 Stainless Steel vs. 2195 Aluminum
EN 1.4418 stainless steel belongs to the iron alloys classification, while 2195 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 2195 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 69 |
| Elongation at Break, % | 16 to 20 | |
| 9.3 |
| Fatigue Strength, MPa | 350 to 480 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 26 |
| Shear Strength, MPa | 530 to 620 | |
| 350 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1000 | |
| 590 |
| Tensile Strength: Yield (Proof), MPa | 540 to 790 | |
| 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 210 |
| Melting Completion (Liquidus), °C | 1450 | |
| 660 |
| Melting Onset (Solidus), °C | 1400 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 900 |
| Thermal Conductivity, W/m-K | 15 | |
| 130 |
| Thermal Expansion, µm/m-K | 10 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 31 |
| Density, g/cm3 | 7.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 8.6 |
| Embodied Energy, MJ/kg | 39 | |
| 160 |
| Embodied Water, L/kg | 130 | |
| 1470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 54 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 to 1590 | |
| 2290 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 46 |
| Strength to Weight: Axial, points | 31 to 36 | |
| 55 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 53 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 49 |
| Thermal Shock Resistance, points | 31 to 36 | |
| 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 91.9 to 94.9 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 0 | |
| 3.7 to 4.3 |
| Iron (Fe), % | 73.2 to 80.2 | |
| 0 to 0.15 |
| Lithium (Li), % | 0 | |
| 0.8 to 1.2 |
| Magnesium (Mg), % | 0 | |
| 0.25 to 0.8 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 0.25 |
| 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 to 0.12 |
| Silver (Ag), % | 0 | |
| 0.25 to 0.6 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.16 |
| Residuals, % | 0 | |
| 0 to 0.15 |