EN 1.4729 Stainless Steel vs. AWS E3155
Both EN 1.4729 stainless steel and AWS E3155 are iron alloys. They have 45% of their average alloy composition in common. 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 E3155.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 210 |
| Elongation at Break, % | 15 | |
| 23 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 81 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 310 |
| 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 | |
| 13 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 70 |
| Density, g/cm3 | 7.6 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 7.7 |
| Embodied Energy, MJ/kg | 29 | |
| 110 |
| Embodied Water, L/kg | 100 | |
| 300 |
Common Calculations
| PREN (Pitting Resistance) | 14 | |
| 35 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 3.3 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.5 | |
| 0 to 0.1 |
| Chromium (Cr), % | 12 to 14 | |
| 20 to 22.5 |
| Cobalt (Co), % | 0 | |
| 18.5 to 21 |
| Copper (Cu), % | 0 | |
| 0 to 0.75 |
| Iron (Fe), % | 80.4 to 86.7 | |
| 23.3 to 36.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 1.0 to 2.5 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 2.5 to 3.5 |
| Nickel (Ni), % | 0 to 1.0 | |
| 19 to 21 |
| Niobium (Nb), % | 0 | |
| 0.75 to 1.3 |
| 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 | |
| 2.0 to 3.0 |