EN 1.4729 Stainless Steel vs. AWS E33-31
Both EN 1.4729 stainless steel and AWS E33-31 are iron alloys. They have 44% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (11, 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 E33-31.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 210 |
| Elongation at Break, % | 15 | |
| 29 |
| Poisson's Ratio | 0.28 | |
| 0.27 |
| Shear Modulus, GPa | 75 | |
| 81 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 320 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1380 |
| Melting Onset (Solidus), °C | 1380 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 480 |
| Thermal Expansion, µm/m-K | 10 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 36 |
| Density, g/cm3 | 7.6 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 6.0 |
| Embodied Energy, MJ/kg | 29 | |
| 86 |
| Embodied Water, L/kg | 100 | |
| 260 |
Common Calculations
| PREN (Pitting Resistance) | 14 | |
| 44 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.5 | |
| 0 to 0.030 |
| Chromium (Cr), % | 12 to 14 | |
| 31 to 35 |
| Copper (Cu), % | 0 | |
| 0.4 to 0.8 |
| Iron (Fe), % | 80.4 to 86.7 | |
| 24.7 to 34.8 |
| Manganese (Mn), % | 0 to 1.0 | |
| 2.5 to 4.0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 30 to 32 |
| Nitrogen (N), % | 0 | |
| 0.3 to 0.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.020 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0 to 0.9 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |