AWS ERNiCrFe-6 vs. AWS ERNiCrCoMo-1
Both AWS ERNiCrFe-6 and AWS ERNiCrCoMo-1 are nickel alloys. Both are furnished in the as-welded condition. They have 70% of their average alloy composition in common.
For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is AWS ERNiCrCoMo-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 210 |
| Elongation at Break, % | 34 | |
| 28 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 630 | |
| 710 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 330 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1420 |
| Melting Onset (Solidus), °C | 1320 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 450 |
| Thermal Conductivity, W/m-K | 13 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 75 |
| Density, g/cm3 | 8.4 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 9.8 | |
| 10 |
| Embodied Energy, MJ/kg | 140 | |
| 140 |
| Embodied Water, L/kg | 260 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 21 | |
| 23 |
| Strength to Weight: Bending, points | 19 | |
| 21 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 3.5 |
| Thermal Shock Resistance, points | 19 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.8 to 1.5 |
| Carbon (C), % | 0 to 0.080 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 14 to 17 | |
| 20 to 24 |
| Cobalt (Co), % | 0 | |
| 10 to 15 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 8.0 | |
| 0 to 3.0 |
| Manganese (Mn), % | 2.0 to 2.7 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 67 to 81.5 | |
| 42.7 to 61.2 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 2.5 to 3.5 | |
| 0 to 0.6 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |