AWS BAg-7 vs. C55284 Copper
AWS BAg-7 belongs to the otherwise unclassified metals classification, while C55284 copper belongs to the copper alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 18 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AWS BAg-7 and the bottom bar is C55284 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 31 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 150 | |
| 180 |
Thermal Properties
| Brazing Temperature, °C | 650 to 900 | |
| 700 to 820 |
| Latent Heat of Fusion, J/g | 130 | |
| 180 |
| Melting Completion (Liquidus), °C | 650 | |
| 800 |
| Melting Onset (Solidus), °C | 620 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 290 | |
| 380 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.3 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 55 | |
| 16 |
| Embodied Energy, MJ/kg | 860 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.9 | |
| 6.5 |
| Stiffness to Weight: Bending, points | 16 | |
| 18 |
| Strength to Weight: Axial, points | 4.5 | |
| 5.6 |
| Strength to Weight: Bending, points | 6.7 | |
| 8.0 |
| Thermal Shock Resistance, points | 6.4 | |
| 7.4 |
Alloy Composition
| Copper (Cu), % | 21 to 23 | |
| 79.2 to 80.7 |
| Phosphorus (P), % | 0 | |
| 4.8 to 5.2 |
| Silver (Ag), % | 55 to 57 | |
| 14.5 to 15.5 |
| Tin (Sn), % | 4.5 to 5.5 | |
| 0 |
| Zinc (Zn), % | 15 to 19 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |