AWS BNi-6 vs. AWS BNi-3
Both AWS BNi-6 and AWS BNi-3 are nickel alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is AWS BNi-6 and the bottom bar is AWS BNi-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 170 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Shear Modulus, GPa | 62 | |
| 66 |
| Tensile Strength: Ultimate (UTS), MPa | 450 | |
| 430 |
Thermal Properties
| Brazing Temperature, °C | 930 to 1090 | |
| 1010 to 1180 |
| Latent Heat of Fusion, J/g | 260 | |
| 350 |
| Melting Completion (Liquidus), °C | 880 | |
| 1040 |
| Melting Onset (Solidus), °C | 880 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 60 |
| Density, g/cm3 | 8.2 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 9.4 | |
| 9.9 |
| Embodied Energy, MJ/kg | 130 | |
| 140 |
| Embodied Water, L/kg | 210 | |
| 220 |
Common Calculations
| Stiffness to Weight: Axial, points | 11 | |
| 12 |
| Stiffness to Weight: Bending, points | 22 | |
| 22 |
| Strength to Weight: Axial, points | 15 | |
| 14 |
| Strength to Weight: Bending, points | 16 | |
| 15 |
| Thermal Shock Resistance, points | 20 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 to 0.050 |
| Boron (B), % | 0 | |
| 2.8 to 3.5 |
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.060 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 87.2 to 90 | |
| 90.1 to 93.3 |
| Phosphorus (P), % | 10 to 12 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 | |
| 4.0 to 5.0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 to 0.050 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |