AWS BAu-3 vs. C77300 Nickel Silver
AWS BAu-3 belongs to the otherwise unclassified metals classification, while C77300 nickel silver belongs to the copper alloys. They have 51% of their average alloy composition in common. There are 16 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS BAu-3 and the bottom bar is C77300 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.37 | |
| 0.3 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 540 |
Thermal Properties
| Brazing Temperature, °C | 1030 to 1090 | |
| 940 to 980 |
| Latent Heat of Fusion, J/g | 160 | |
| 180 |
| Melting Completion (Liquidus), °C | 1030 | |
| 940 |
| Melting Onset (Solidus), °C | 970 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 300 | |
| 390 |
| Thermal Expansion, µm/m-K | 16 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 5.0 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 13 | |
| 20 |
| Strength to Weight: Axial, points | 4.9 | |
| 19 |
| Strength to Weight: Bending, points | 6.4 | |
| 19 |
| Thermal Shock Resistance, points | 8.7 | |
| 17 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 60.9 to 63 | |
| 46 to 50 |
| Gold (Au), % | 34.5 to 35.5 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 2.5 to 3.5 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.040 to 0.25 |
| Zinc (Zn), % | 0 | |
| 37.9 to 45 |
| Residuals, % | 0 | |
| 0 to 0.5 |