AWS ERNiCrMo-2 vs. Nickel 685
Both AWS ERNiCrMo-2 and nickel 685 are nickel alloys. They have 75% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is nickel 685.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 200 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 750 | |
| 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1380 |
| Melting Onset (Solidus), °C | 1410 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 460 |
| Thermal Conductivity, W/m-K | 11 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 75 |
| Density, g/cm3 | 8.4 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 9.2 | |
| 10 |
| Embodied Energy, MJ/kg | 120 | |
| 140 |
| Embodied Water, L/kg | 270 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 25 | |
| 42 |
| Strength to Weight: Bending, points | 22 | |
| 31 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 3.3 |
| Thermal Shock Resistance, points | 20 | |
| 37 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0.050 to 0.15 | |
| 0.030 to 0.1 |
| Chromium (Cr), % | 20.5 to 23 | |
| 18 to 21 |
| Cobalt (Co), % | 0.5 to 2.5 | |
| 12 to 15 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.5 |
| Iron (Fe), % | 17 to 20 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 3.5 to 5.0 |
| Nickel (Ni), % | 40.3 to 53.8 | |
| 49.6 to 62.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 2.8 to 3.3 |
| Tungsten (W), % | 0.2 to 1.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.020 to 0.12 |
| Residuals, % | 0 to 0.5 | |
| 0 |