AWS ER90S-B9 vs. EN 1.6570 Steel
Both AWS ER90S-B9 and EN 1.6570 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 28 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 ER90S-B9 and the bottom bar is EN 1.6570 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 18 | |
| 11 to 17 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 690 | |
| 910 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 470 | |
| 760 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 25 | |
| 40 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 3.9 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.7 |
| Embodied Energy, MJ/kg | 37 | |
| 23 |
| Embodied Water, L/kg | 91 | |
| 56 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 2.5 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 120 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 | |
| 1520 to 3010 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 25 | |
| 32 to 40 |
| Strength to Weight: Bending, points | 22 | |
| 27 to 31 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 11 |
| Thermal Shock Resistance, points | 19 | |
| 27 to 33 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.040 | |
| 0 |
| Carbon (C), % | 0.070 to 0.13 | |
| 0.28 to 0.35 |
| Chromium (Cr), % | 8.0 to 10.5 | |
| 1.0 to 1.4 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 84.4 to 90.7 | |
| 94 to 96.2 |
| Manganese (Mn), % | 0 to 1.2 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 0.85 to 1.2 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 0 to 0.8 | |
| 1.6 to 2.1 |
| Niobium (Nb), % | 0.020 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.15 to 0.5 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |
| Vanadium (V), % | 0.15 to 0.3 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |