AWS BNi-5 vs. AWS BNi-1
Both AWS BNi-5 and AWS BNi-1 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-5 and the bottom bar is AWS BNi-1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 | 
| Poisson's Ratio | 0.29 | |
| 0.3 | 
| Shear Modulus, GPa | 72 | |
| 70 | 
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 450 | 
Thermal Properties
| Brazing Temperature, °C | 1150 to 1200 | |
| 1070 to 1200 | 
| Latent Heat of Fusion, J/g | 470 | |
| 360 | 
| Melting Completion (Liquidus), °C | 1140 | |
| 1040 | 
| Melting Onset (Solidus), °C | 1080 | |
| 980 | 
| Specific Heat Capacity, J/kg-K | 510 | |
| 500 | 
| Thermal Expansion, µm/m-K | 12 | |
| 12 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 55 | 
| Density, g/cm3 | 7.7 | |
| 8.0 | 
| Embodied Carbon, kg CO2/kg material | 8.9 | |
| 8.8 | 
| Embodied Energy, MJ/kg | 130 | |
| 120 | 
| Embodied Water, L/kg | 260 | |
| 240 | 
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 | 
| Stiffness to Weight: Bending, points | 25 | |
| 24 | 
| Strength to Weight: Axial, points | 17 | |
| 16 | 
| Strength to Weight: Bending, points | 17 | |
| 16 | 
| Thermal Shock Resistance, points | 15 | |
| 15 | 
Alloy Composition
| Aluminum (Al), % | 0 to 0.050 | |
| 0 to 0.050 | 
| Boron (B), % | 0 to 0.030 | |
| 2.8 to 3.5 | 
| Carbon (C), % | 0 to 0.060 | |
| 0.6 to 0.9 | 
| Chromium (Cr), % | 18.5 to 19.5 | |
| 13 to 15 | 
| Cobalt (Co), % | 0 to 0.1 | |
| 0 to 0.1 | 
| Iron (Fe), % | 0 | |
| 4.0 to 5.0 | 
| Nickel (Ni), % | 69.1 to 71.8 | |
| 69.8 to 75.7 | 
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 0.020 | 
| Selenium (Se), % | 0 to 0.0050 | |
| 0 to 0.0050 | 
| Silicon (Si), % | 9.8 to 10.5 | |
| 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 | |
| 0 to 0.5 |