AWS E349 vs. S31254 Stainless Steel
Both AWS E349 and S31254 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is AWS E349 and the bottom bar is S31254 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 29 | |
| 40 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 720 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 300 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Conductivity, W/m-K | 15 | |
| 14 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 28 |
| Density, g/cm3 | 7.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 4.9 | |
| 5.5 |
| Embodied Energy, MJ/kg | 72 | |
| 74 |
| Embodied Water, L/kg | 150 | |
| 190 |
Common Calculations
| PREN (Pitting Resistance) | 24 | |
| 44 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 | |
| 25 |
| Strength to Weight: Bending, points | 24 | |
| 22 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 3.8 |
| Thermal Shock Resistance, points | 20 | |
| 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.13 | |
| 0 to 0.020 |
| Chromium (Cr), % | 18 to 21 | |
| 19.5 to 20.5 |
| Copper (Cu), % | 0 to 0.75 | |
| 0.5 to 1.0 |
| Iron (Fe), % | 60.5 to 71.1 | |
| 51.4 to 56.3 |
| Manganese (Mn), % | 0.5 to 2.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.35 to 0.65 | |
| 6.0 to 6.5 |
| Nickel (Ni), % | 8.0 to 10 | |
| 17.5 to 18.5 |
| Niobium (Nb), % | 0.75 to 1.2 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0.18 to 0.22 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Tungsten (W), % | 1.3 to 1.8 | |
| 0 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |