AWS BNi-4 vs. AWS BAu-2
AWS BNi-4 belongs to the nickel alloys classification, while AWS BAu-2 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AWS BNi-4 and the bottom bar is AWS BAu-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 100 |
| Poisson's Ratio | 0.31 | |
| 0.4 |
| Shear Modulus, GPa | 67 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 150 |
Thermal Properties
| Brazing Temperature, °C | 1010 to 1180 | |
| 890 to 1010 |
| Latent Heat of Fusion, J/g | 340 | |
| 92 |
| Melting Completion (Liquidus), °C | 1070 | |
| 890 |
| Melting Onset (Solidus), °C | 980 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 180 |
| Thermal Expansion, µm/m-K | 11 | |
| 15 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 17 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 22 | |
| 9.1 |
| Strength to Weight: Axial, points | 14 | |
| 2.4 |
| Strength to Weight: Bending, points | 15 | |
| 3.6 |
| Thermal Shock Resistance, points | 16 | |
| 7.1 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Boron (B), % | 1.5 to 2.2 | |
| 0 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 | |
| 19.4 to 20.5 |
| Gold (Au), % | 0 | |
| 79.5 to 80.5 |
| Iron (Fe), % | 0 to 1.5 | |
| 0 |
| Nickel (Ni), % | 91.4 to 95.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 3.0 to 4.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |