AWS BAg-13a vs. AWS BAg-7
Both AWS BAg-13a and AWS BAg-7 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 78% of their average alloy composition in common.
For each property being compared, the top bar is AWS BAg-13a and the bottom bar is AWS BAg-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 92 | |
| 83 |
| Poisson's Ratio | 0.36 | |
| 0.34 |
| Shear Modulus, GPa | 34 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 150 |
Thermal Properties
| Brazing Temperature, °C | 720 to 980 | |
| 650 to 900 |
| Latent Heat of Fusion, J/g | 160 | |
| 130 |
| Melting Completion (Liquidus), °C | 890 | |
| 650 |
| Melting Onset (Solidus), °C | 770 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 300 | |
| 290 |
| Thermal Expansion, µm/m-K | 19 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.8 | |
| 9.3 |
| Embodied Carbon, kg CO2/kg material | 54 | |
| 55 |
| Embodied Energy, MJ/kg | 850 | |
| 860 |
Common Calculations
| Stiffness to Weight: Axial, points | 5.2 | |
| 4.9 |
| Stiffness to Weight: Bending, points | 15 | |
| 16 |
| Strength to Weight: Axial, points | 5.1 | |
| 4.5 |
| Strength to Weight: Bending, points | 7.2 | |
| 6.7 |
| Thermal Shock Resistance, points | 7.5 | |
| 6.4 |
Alloy Composition
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| Copper (Cu), % | 40.4 to 43.5 | |
| 21 to 23 |
| Nickel (Ni), % | 1.5 to 2.5 | |
| 0 |
| Silver (Ag), % | 55 to 57 | |
| 55 to 57 |
| Tin (Sn), % | 0 | |
| 4.5 to 5.5 |
| Zinc (Zn), % | 0 | |
| 15 to 19 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |