AWS BNi-2 vs. Grade N7M Nickel
Both AWS BNi-2 and grade N7M nickel are nickel alloys. They have 68% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS BNi-2 and the bottom bar is grade N7M nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 220 |
| Poisson's Ratio | 0.3 | |
| 0.31 |
| Shear Modulus, GPa | 68 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 440 | |
| 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 360 | |
| 320 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1650 |
| Melting Onset (Solidus), °C | 970 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 390 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 75 |
| Density, g/cm3 | 8.2 | |
| 9.3 |
| Embodied Carbon, kg CO2/kg material | 9.3 | |
| 16 |
| Embodied Energy, MJ/kg | 130 | |
| 200 |
| Embodied Water, L/kg | 230 | |
| 270 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 22 |
| Strength to Weight: Axial, points | 15 | |
| 18 |
| Strength to Weight: Bending, points | 16 | |
| 17 |
| Thermal Shock Resistance, points | 16 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Boron (B), % | 2.8 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.070 |
| Chromium (Cr), % | 6.0 to 8.0 | |
| 0 to 1.0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 2.5 to 3.5 | |
| 0 to 3.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 30 to 33 |
| Nickel (Ni), % | 79.1 to 84.8 | |
| 60.9 to 70 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.040 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 4.0 to 5.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |