EN 1.7767 Steel vs. AWS ER90S-B9
Both EN 1.7767 steel and AWS ER90S-B9 are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 28 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 EN 1.7767 steel and the bottom bar is AWS ER90S-B9.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 18 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 690 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1450 |
| Melting Onset (Solidus), °C | 1430 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 25 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.5 | |
| 7.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 33 | |
| 37 |
| Embodied Water, L/kg | 64 | |
| 91 |
Common Calculations
| PREN (Pitting Resistance) | 6.4 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 650 | |
| 570 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 25 |
| Strength to Weight: Bending, points | 22 | |
| 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 6.9 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 19 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0.1 to 0.15 | |
| 0.070 to 0.13 |
| Chromium (Cr), % | 2.8 to 3.3 | |
| 8.0 to 10.5 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.2 |
| Iron (Fe), % | 93.8 to 95.8 | |
| 84.4 to 90.7 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 1.2 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0.85 to 1.2 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 to 0.8 |
| Niobium (Nb), % | 0 to 0.070 | |
| 0.020 to 0.1 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0.030 to 0.070 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.15 | |
| 0.15 to 0.5 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0.15 to 0.3 |
| Residuals, % | 0 | |
| 0 to 0.5 |