EN 1.4458 Stainless Steel vs. AWS ENiCu-7
EN 1.4458 stainless steel belongs to the iron alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is EN 1.4458 stainless steel and the bottom bar is AWS ENiCu-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 160 |
| Elongation at Break, % | 34 | |
| 34 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 78 | |
| 62 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 280 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1270 |
| Melting Onset (Solidus), °C | 1370 | |
| 1230 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 430 |
| Thermal Conductivity, W/m-K | 16 | |
| 21 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.7 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.9 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 50 |
| Density, g/cm3 | 8.0 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 5.4 | |
| 8.0 |
| Embodied Energy, MJ/kg | 75 | |
| 110 |
| Embodied Water, L/kg | 200 | |
| 250 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 10 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 17 | |
| 17 |
| Strength to Weight: Bending, points | 18 | |
| 17 |
| Thermal Diffusivity, mm2/s | 4.2 | |
| 5.5 |
| Thermal Shock Resistance, points | 12 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.75 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.1 |
| Chromium (Cr), % | 19 to 22 | |
| 0 |
| Copper (Cu), % | 0 to 2.0 | |
| 20.6 to 38 |
| Iron (Fe), % | 40.2 to 53 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 4.0 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 26 to 30 | |
| 62 to 69 |
| Nitrogen (N), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.5 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |