EN 1.4729 Stainless Steel vs. AWS ERNiCrMo-2
EN 1.4729 stainless steel belongs to the iron alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 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 1.4729 stainless steel and the bottom bar is AWS ERNiCrMo-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 210 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 81 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 320 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 450 |
| Thermal Conductivity, W/m-K | 24 | |
| 11 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.8 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 55 |
| Density, g/cm3 | 7.6 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 9.2 |
| Embodied Energy, MJ/kg | 29 | |
| 120 |
| Embodied Water, L/kg | 100 | |
| 270 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 2.9 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.5 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 12 to 14 | |
| 20.5 to 23 |
| Cobalt (Co), % | 0 | |
| 0.5 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 80.4 to 86.7 | |
| 17 to 20 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 to 1.0 | |
| 40.3 to 53.8 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 0.2 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |