AWS E307 vs. AWS ER90S-D2
Both AWS E307 and AWS ER90S-D2 are iron alloys. Both are furnished in the as-welded condition. They have 68% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AWS E307 and the bottom bar is AWS ER90S-D2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 34 | |
| 19 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 710 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 260 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1450 |
| Melting Onset (Solidus), °C | 1370 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 47 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 17 | |
| 2.6 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 1.6 |
| Embodied Energy, MJ/kg | 49 | |
| 21 |
| Embodied Water, L/kg | 160 | |
| 50 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 25 |
| Strength to Weight: Bending, points | 22 | |
| 23 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 13 |
| Thermal Shock Resistance, points | 17 | |
| 21 |
Alloy Composition
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| Carbon (C), % | 0.040 to 0.14 | |
| 0.070 to 0.12 |
| Chromium (Cr), % | 18 to 21.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.75 | |
| 0 to 0.5 |
| Iron (Fe), % | 59.6 to 69.2 | |
| 95.2 to 97.4 |
| Manganese (Mn), % | 3.3 to 4.8 | |
| 1.6 to 2.1 |
| Molybdenum (Mo), % | 0.5 to 1.5 | |
| 0.4 to 0.6 |
| Nickel (Ni), % | 9.0 to 10.7 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.5 to 0.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Residuals, % | 0 | |
| 0 to 0.5 |