AWS ER90S-B3 vs. SAE-AISI 4620 Steel
Both AWS ER90S-B3 and SAE-AISI 4620 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is SAE-AISI 4620 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 19 | |
| 16 to 27 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 690 | |
| 490 to 680 |
| Tensile Strength: Yield (Proof), MPa | 620 | |
| 350 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 250 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 47 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.1 | |
| 3.2 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 1.6 |
| Embodied Energy, MJ/kg | 24 | |
| 22 |
| Embodied Water, L/kg | 60 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
| 100 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1000 | |
| 330 to 800 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 25 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 22 | |
| 18 to 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 13 |
| Thermal Shock Resistance, points | 20 | |
| 15 to 20 |
Alloy Composition
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| Carbon (C), % | 0.070 to 0.12 | |
| 0.17 to 0.22 |
| Chromium (Cr), % | 2.3 to 2.7 | |
| 0 |
| Copper (Cu), % | 0 to 0.35 | |
| 0 |
| Iron (Fe), % | 93.5 to 95.9 | |
| 96.4 to 97.4 |
| Manganese (Mn), % | 0.4 to 0.7 | |
| 0.45 to 0.65 |
| Molybdenum (Mo), % | 0.9 to 1.2 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 0 to 0.2 | |
| 1.7 to 2.0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.4 to 0.7 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.040 |
| Residuals, % | 0 to 0.5 | |
| 0 |