AWS E2593 vs. AWS E3155
Both AWS E2593 and AWS E3155 are iron alloys. Both are furnished in the as-welded condition. They have 65% of their average alloy composition in common.
For each property being compared, the top bar is AWS E2593 and the bottom bar is AWS E3155.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 210 |
| Elongation at Break, % | 17 | |
| 23 |
| Poisson's Ratio | 0.27 | |
| 0.29 |
| Shear Modulus, GPa | 80 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 850 | |
| 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 310 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Conductivity, W/m-K | 16 | |
| 13 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 70 |
| Density, g/cm3 | 7.8 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 7.7 |
| Embodied Energy, MJ/kg | 59 | |
| 110 |
| Embodied Water, L/kg | 190 | |
| 300 |
Common Calculations
| PREN (Pitting Resistance) | 39 | |
| 35 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 30 | |
| 26 |
| Strength to Weight: Bending, points | 25 | |
| 22 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 3.3 |
| Thermal Shock Resistance, points | 21 | |
| 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.040 | |
| 0 to 0.1 |
| Chromium (Cr), % | 24 to 27 | |
| 20 to 22.5 |
| Cobalt (Co), % | 0 | |
| 18.5 to 21 |
| Copper (Cu), % | 1.5 to 3.0 | |
| 0 to 0.75 |
| Iron (Fe), % | 52.7 to 62.5 | |
| 23.3 to 36.3 |
| Manganese (Mn), % | 0.5 to 1.5 | |
| 1.0 to 2.5 |
| Molybdenum (Mo), % | 2.9 to 3.9 | |
| 2.5 to 3.5 |
| Nickel (Ni), % | 8.5 to 10.5 | |
| 19 to 21 |
| Niobium (Nb), % | 0 | |
| 0.75 to 1.3 |
| Nitrogen (N), % | 0.080 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 2.0 to 3.0 |