AWS BNi-5 vs. AWS BNi-6
Both AWS BNi-5 and AWS BNi-6 are nickel alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 71% of their average alloy composition in common.
For each property being compared, the top bar is AWS BNi-5 and the bottom bar is AWS BNi-6.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 160 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 72 | |
| 62 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 450 |
Thermal Properties
| Brazing Temperature, °C | 1150 to 1200 | |
| 930 to 1090 |
| Latent Heat of Fusion, J/g | 470 | |
| 260 |
| Melting Completion (Liquidus), °C | 1140 | |
| 880 |
| Melting Onset (Solidus), °C | 1080 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 510 | |
| 480 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 55 |
| Density, g/cm3 | 7.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 8.9 | |
| 9.4 |
| Embodied Energy, MJ/kg | 130 | |
| 130 |
| Embodied Water, L/kg | 260 | |
| 210 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 11 |
| Stiffness to Weight: Bending, points | 25 | |
| 22 |
| Strength to Weight: Axial, points | 17 | |
| 15 |
| Strength to Weight: Bending, points | 17 | |
| 16 |
| Thermal Shock Resistance, points | 15 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 to 0.050 |
| Boron (B), % | 0 to 0.030 | |
| 0 |
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.060 |
| Chromium (Cr), % | 18.5 to 19.5 | |
| 0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 to 0.1 |
| Nickel (Ni), % | 69.1 to 71.8 | |
| 87.2 to 90 |
| Phosphorus (P), % | 0 to 0.020 | |
| 10 to 12 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Silicon (Si), % | 9.8 to 10.5 | |
| 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 |