AWS BAg-2a vs. AWS BAg-7
Both AWS BAg-2a and AWS BAg-7 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-2a and the bottom bar is AWS BAg-7.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 83 | |
83 |
Poisson's Ratio | 0.32 | |
0.34 |
Shear Modulus, GPa | 31 | |
31 |
Tensile Strength: Ultimate (UTS), MPa | 170 | |
150 |
Thermal Properties
Brazing Temperature, °C | 690 to 840 | |
650 to 900 |
Latent Heat of Fusion, J/g | 130 | |
130 |
Melting Completion (Liquidus), °C | 710 | |
650 |
Melting Onset (Solidus), °C | 610 | |
620 |
Specific Heat Capacity, J/kg-K | 310 | |
290 |
Thermal Expansion, µm/m-K | 23 | |
20 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.8 | |
9.3 |
Embodied Carbon, kg CO2/kg material | 30 | |
55 |
Embodied Energy, MJ/kg | 470 | |
860 |
Common Calculations
Stiffness to Weight: Axial, points | 5.2 | |
4.9 |
Stiffness to Weight: Bending, points | 17 | |
16 |
Strength to Weight: Axial, points | 5.4 | |
4.5 |
Strength to Weight: Bending, points | 7.8 | |
6.7 |
Thermal Shock Resistance, points | 6.5 | |
6.4 |
Alloy Composition
Cadmium (Cd), % | 19 to 21 | |
0 |
Copper (Cu), % | 26 to 28 | |
21 to 23 |
Silver (Ag), % | 29 to 31 | |
55 to 57 |
Tin (Sn), % | 0 | |
4.5 to 5.5 |
Zinc (Zn), % | 21 to 25 | |
15 to 19 |
Residuals, % | 0 | |
0 to 0.15 |