AWS BNi-7 vs. AWS BVAg-18
AWS BNi-7 belongs to the nickel alloys classification, while AWS BVAg-18 belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AWS BNi-7 and the bottom bar is AWS BVAg-18.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 170 | |
| 82 |
| Poisson's Ratio | 0.3 | |
| 0.36 |
| Shear Modulus, GPa | 67 | |
| 30 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 180 |
Thermal Properties
| Brazing Temperature, °C | 930 to 1090 | |
| 720 to 840 |
| Latent Heat of Fusion, J/g | 280 | |
| 140 |
| Melting Completion (Liquidus), °C | 890 | |
| 720 |
| Melting Onset (Solidus), °C | 890 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 280 |
| Thermal Expansion, µm/m-K | 11 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.0 | |
| 9.7 |
| Embodied Carbon, kg CO2/kg material | 8.8 | |
| 59 |
| Embodied Energy, MJ/kg | 120 | |
| 930 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 | |
| 4.7 |
| Stiffness to Weight: Bending, points | 23 | |
| 15 |
| Strength to Weight: Axial, points | 19 | |
| 5.1 |
| Strength to Weight: Bending, points | 19 | |
| 7.3 |
| Thermal Shock Resistance, points | 21 | |
| 8.1 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Boron (B), % | 0 to 0.010 | |
| 0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0010 |
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.0050 |
| Chromium (Cr), % | 13 to 15 | |
| 0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 | |
| 28.5 to 31.5 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.0020 |
| Manganese (Mn), % | 0 to 0.040 | |
| 0 |
| Nickel (Ni), % | 73.3 to 77.3 | |
| 0 |
| Phosphorus (P), % | 9.7 to 10.5 | |
| 0 to 0.0020 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Silver (Ag), % | 0 | |
| 59 to 61 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 | |
| 9.5 to 10.5 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |