AWS BAg-20 vs. AWS BAg-22
Both AWS BAg-20 and AWS BAg-22 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common.
For each property being compared, the top bar is AWS BAg-20 and the bottom bar is AWS BAg-22.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 93 | |
| 96 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 35 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 140 |
Thermal Properties
| Brazing Temperature, °C | 770 to 900 | |
| 700 to 1040 |
| Latent Heat of Fusion, J/g | 150 | |
| 150 |
| Melting Completion (Liquidus), °C | 770 | |
| 700 |
| Melting Onset (Solidus), °C | 680 | |
| 680 |
| Specific Heat Capacity, J/kg-K | 340 | |
| 320 |
| Thermal Expansion, µm/m-K | 21 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 48 |
| Embodied Energy, MJ/kg | 480 | |
| 760 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.0 | |
| 5.9 |
| Stiffness to Weight: Bending, points | 17 | |
| 17 |
| Strength to Weight: Axial, points | 5.1 | |
| 4.3 |
| Strength to Weight: Bending, points | 7.6 | |
| 6.6 |
| Thermal Shock Resistance, points | 5.9 | |
| 5.1 |
Alloy Composition
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| Copper (Cu), % | 37 to 39 | |
| 15 to 17 |
| Manganese (Mn), % | 0 | |
| 7.0 to 8.0 |
| Nickel (Ni), % | 0 | |
| 4.0 to 5.0 |
| Silver (Ag), % | 29 to 31 | |
| 48 to 50 |
| Zinc (Zn), % | 30 to 34 | |
| 21 to 25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |