EN 1.7380 Steel vs. AWS ERNiFeCr-2
EN 1.7380 steel belongs to the iron alloys classification, while AWS ERNiFeCr-2 belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is EN 1.7380 steel and the bottom bar is AWS ERNiFeCr-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 19 to 20 | |
| 28 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 550 | |
| 1300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 310 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1430 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Conductivity, W/m-K | 39 | |
| 12 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.8 | |
| 75 |
| Density, g/cm3 | 7.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 13 |
| Embodied Energy, MJ/kg | 23 | |
| 190 |
| Embodied Water, L/kg | 59 | |
| 250 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 19 to 20 | |
| 43 |
| Strength to Weight: Bending, points | 19 | |
| 32 |
| Thermal Diffusivity, mm2/s | 11 | |
| 3.2 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 38 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.2 to 0.8 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Carbon (C), % | 0.080 to 0.14 | |
| 0 to 0.080 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 17 to 21 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.3 |
| Iron (Fe), % | 94.6 to 96.6 | |
| 11.6 to 24.6 |
| Manganese (Mn), % | 0.4 to 0.8 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 0 | |
| 50 to 55 |
| Niobium (Nb), % | 0 | |
| 4.8 to 5.5 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.65 to 1.2 |
| Residuals, % | 0 | |
| 0 to 0.5 |