AWS BAg-20 vs. AWS BAg-35
Both AWS BAg-20 and AWS BAg-35 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% 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-35.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 93 | |
| 91 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 35 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 170 |
Thermal Properties
| Brazing Temperature, °C | 770 to 900 | |
| 750 to 840 |
| Latent Heat of Fusion, J/g | 150 | |
| 140 |
| Melting Completion (Liquidus), °C | 770 | |
| 750 |
| Melting Onset (Solidus), °C | 680 | |
| 690 |
| Specific Heat Capacity, J/kg-K | 340 | |
| 330 |
| Thermal Expansion, µm/m-K | 21 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 35 |
| Embodied Energy, MJ/kg | 480 | |
| 550 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.0 | |
| 5.8 |
| Stiffness to Weight: Bending, points | 17 | |
| 17 |
| Strength to Weight: Axial, points | 5.1 | |
| 5.4 |
| Strength to Weight: Bending, points | 7.6 | |
| 7.8 |
| Thermal Shock Resistance, points | 5.9 | |
| 6.4 |
Alloy Composition
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| Copper (Cu), % | 37 to 39 | |
| 31 to 33 |
| Silver (Ag), % | 29 to 31 | |
| 34 to 36 |
| Zinc (Zn), % | 30 to 34 | |
| 31 to 35 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |