EN 1.4307 Stainless Steel vs. 296.0 Aluminum
EN 1.4307 stainless steel belongs to the iron alloys classification, while 296.0 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 1.4307 stainless steel and the bottom bar is 296.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 270 | |
| 75 to 90 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 72 |
| Elongation at Break, % | 14 to 46 | |
| 3.2 to 7.1 |
| Fatigue Strength, MPa | 190 to 320 | |
| 47 to 70 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 900 | |
| 260 to 270 |
| Tensile Strength: Yield (Proof), MPa | 200 to 570 | |
| 120 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 170 |
| Melting Completion (Liquidus), °C | 1430 | |
| 630 |
| Melting Onset (Solidus), °C | 1380 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 870 |
| Thermal Conductivity, W/m-K | 15 | |
| 130 to 150 |
| Thermal Expansion, µm/m-K | 16 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 33 to 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 99 to 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 11 |
| Density, g/cm3 | 7.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 7.8 |
| Embodied Energy, MJ/kg | 43 | |
| 150 |
| Embodied Water, L/kg | 140 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 210 | |
| 7.6 to 15 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 810 | |
| 110 to 220 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 46 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 24 to 25 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 30 to 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 51 to 56 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 89 to 94 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 17.5 to 19.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 66.8 to 74.5 | |
| 0 to 1.2 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.35 |
| Nickel (Ni), % | 8.0 to 10.5 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 2.0 to 3.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.35 |