EN 1.4923 Stainless Steel vs. 712.0 Aluminum
EN 1.4923 stainless steel belongs to the iron alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 1.4923 stainless steel and the bottom bar is 712.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 70 |
| Elongation at Break, % | 12 to 21 | |
| 4.5 to 4.7 |
| Fatigue Strength, MPa | 300 to 440 | |
| 140 to 180 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 27 |
| Shear Strength, MPa | 540 to 590 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 980 | |
| 250 to 260 |
| Tensile Strength: Yield (Proof), MPa | 470 to 780 | |
| 180 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 740 | |
| 190 |
| Melting Completion (Liquidus), °C | 1450 | |
| 640 |
| Melting Onset (Solidus), °C | 1410 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 870 |
| Thermal Conductivity, W/m-K | 24 | |
| 160 |
| Thermal Expansion, µm/m-K | 11 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 8.0 |
| Embodied Energy, MJ/kg | 41 | |
| 150 |
| Embodied Water, L/kg | 100 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 1580 | |
| 240 to 270 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 46 |
| Strength to Weight: Axial, points | 31 to 35 | |
| 24 to 25 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 30 to 31 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 62 |
| Thermal Shock Resistance, points | 30 to 34 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 90.7 to 94 |
| Carbon (C), % | 0.18 to 0.24 | |
| 0 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0.4 to 0.6 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 83.5 to 87.1 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0 | |
| 0.5 to 0.65 |
| Manganese (Mn), % | 0.4 to 0.9 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0.8 to 1.2 | |
| 0 |
| Nickel (Ni), % | 0.3 to 0.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.25 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.0 to 6.5 |
| Residuals, % | 0 | |
| 0 to 0.2 |