AWS BAg-37 vs. AWS BAg-13a
Both AWS BAg-37 and AWS BAg-13a are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common.
For each property being compared, the top bar is AWS BAg-37 and the bottom bar is AWS BAg-13a.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 94 | |
| 92 |
| Poisson's Ratio | 0.32 | |
| 0.36 |
| Shear Modulus, GPa | 36 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 180 |
Thermal Properties
| Brazing Temperature, °C | 780 to 890 | |
| 720 to 980 |
| Latent Heat of Fusion, J/g | 150 | |
| 160 |
| Melting Completion (Liquidus), °C | 780 | |
| 890 |
| Melting Onset (Solidus), °C | 690 | |
| 770 |
| Specific Heat Capacity, J/kg-K | 350 | |
| 300 |
| Thermal Expansion, µm/m-K | 21 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 9.8 |
| Embodied Carbon, kg CO2/kg material | 26 | |
| 54 |
| Embodied Energy, MJ/kg | 410 | |
| 850 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.1 | |
| 5.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 15 |
| Strength to Weight: Axial, points | 5.9 | |
| 5.1 |
| Strength to Weight: Bending, points | 8.3 | |
| 7.2 |
| Thermal Shock Resistance, points | 6.6 | |
| 7.5 |
Alloy Composition
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| Copper (Cu), % | 39 to 41 | |
| 40.4 to 43.5 |
| Nickel (Ni), % | 0 | |
| 1.5 to 2.5 |
| Silver (Ag), % | 24 to 26 | |
| 55 to 57 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Zinc (Zn), % | 31 to 35 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |