Nickel 685 vs. AWS BNi-2
Both nickel 685 and AWS BNi-2 are nickel alloys. They have 65% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is nickel 685 and the bottom bar is AWS BNi-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 180 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 77 | |
| 68 |
| Tensile Strength: Ultimate (UTS), MPa | 1250 | |
| 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 360 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1000 |
| Melting Onset (Solidus), °C | 1330 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 490 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 55 |
| Density, g/cm3 | 8.4 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 9.3 |
| Embodied Energy, MJ/kg | 140 | |
| 130 |
| Embodied Water, L/kg | 340 | |
| 230 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 42 | |
| 15 |
| Strength to Weight: Bending, points | 31 | |
| 16 |
| Thermal Shock Resistance, points | 37 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 1.2 to 1.6 | |
| 0 to 0.050 |
| Boron (B), % | 0.0030 to 0.010 | |
| 2.8 to 3.5 |
| Carbon (C), % | 0.030 to 0.1 | |
| 0 to 0.060 |
| Chromium (Cr), % | 18 to 21 | |
| 6.0 to 8.0 |
| Cobalt (Co), % | 12 to 15 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 0 to 2.0 | |
| 2.5 to 3.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 3.5 to 5.0 | |
| 0 |
| Nickel (Ni), % | 49.6 to 62.5 | |
| 79.1 to 84.8 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.75 | |
| 4.0 to 5.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.020 |
| Titanium (Ti), % | 2.8 to 3.3 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0.020 to 0.12 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 | |
| 0 to 0.5 |