EN 1.4729 Stainless Steel vs. AWS ERNiCrCoMo-1
EN 1.4729 stainless steel belongs to the iron alloys classification, while AWS ERNiCrCoMo-1 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, 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 ERNiCrCoMo-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 210 |
| Elongation at Break, % | 15 | |
| 28 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 81 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 330 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1420 |
| Melting Onset (Solidus), °C | 1380 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 450 |
| Thermal Conductivity, W/m-K | 24 | |
| 13 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.8 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 75 |
| Density, g/cm3 | 7.6 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 10 |
| Embodied Energy, MJ/kg | 29 | |
| 140 |
| Embodied Water, L/kg | 100 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 3.5 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.8 to 1.5 |
| Carbon (C), % | 0.3 to 0.5 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 12 to 14 | |
| 20 to 24 |
| Cobalt (Co), % | 0 | |
| 10 to 15 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 80.4 to 86.7 | |
| 0 to 3.0 |
| 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 | |
| 42.7 to 61.2 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 0.6 |
| Residuals, % | 0 | |
| 0 to 0.5 |