AWS BAg-18 vs. AWS BAg-13
Both AWS BAg-18 and AWS BAg-13 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common.
For each property being compared, the top bar is AWS BAg-18 and the bottom bar is AWS BAg-13.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 82 | |
| 91 |
| Poisson's Ratio | 0.36 | |
| 0.35 |
| Shear Modulus, GPa | 30 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 170 | |
| 180 |
Thermal Properties
| Brazing Temperature, °C | 720 to 980 | |
| 860 to 980 |
| Latent Heat of Fusion, J/g | 130 | |
| 150 |
| Melting Completion (Liquidus), °C | 720 | |
| 860 |
| Melting Onset (Solidus), °C | 600 | |
| 720 |
| Specific Heat Capacity, J/kg-K | 280 | |
| 310 |
| Thermal Expansion, µm/m-K | 19 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.7 | |
| 9.7 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 52 |
| Embodied Energy, MJ/kg | 930 | |
| 820 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 5.2 |
| Stiffness to Weight: Bending, points | 15 | |
| 16 |
| Strength to Weight: Axial, points | 4.9 | |
| 5.2 |
| Strength to Weight: Bending, points | 7.0 | |
| 7.3 |
| Thermal Shock Resistance, points | 7.7 | |
| 7.5 |
Alloy Composition
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| Copper (Cu), % | 28.4 to 31.5 | |
| 37.4 to 42.5 |
| Nickel (Ni), % | 0 | |
| 0.5 to 1.5 |
| Silver (Ag), % | 59 to 61 | |
| 53 to 55 |
| Tin (Sn), % | 9.5 to 10.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 4.0 to 6.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |