AWS BAg-21 vs. C77300 Nickel Silver
AWS BAg-21 belongs to the otherwise unclassified metals classification, while C77300 nickel silver belongs to the copper alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is AWS BAg-21 and the bottom bar is C77300 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 85 | |
| 110 |
| Poisson's Ratio | 0.36 | |
| 0.3 |
| Shear Modulus, GPa | 31 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 150 | |
| 540 |
Thermal Properties
| Brazing Temperature, °C | 700 to 900 | |
| 940 to 980 |
| Latent Heat of Fusion, J/g | 140 | |
| 180 |
| Melting Completion (Liquidus), °C | 800 | |
| 940 |
| Melting Onset (Solidus), °C | 690 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 280 | |
| 390 |
| Thermal Expansion, µm/m-K | 19 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.8 | |
| 7.9 |
| Embodied Energy, MJ/kg | 970 | |
| 56 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.8 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 15 | |
| 20 |
| Strength to Weight: Axial, points | 4.2 | |
| 19 |
| Strength to Weight: Bending, points | 6.4 | |
| 19 |
| Thermal Shock Resistance, points | 6.6 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 27.5 to 29.5 | |
| 46 to 50 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 2.0 to 3.0 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.040 to 0.25 |
| Silver (Ag), % | 62 to 64 | |
| 0 |
| Tin (Sn), % | 5.0 to 7.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 37.9 to 45 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |