C55181 Copper vs. AWS BAg-4
C55181 copper belongs to the copper alloys classification, while AWS BAg-4 belongs to the otherwise unclassified metals. They have a modest 30% 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 (3, in this case) are not shown.
For each property being compared, the top bar is C55181 copper and the bottom bar is AWS BAg-4.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 91 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 150 |
Thermal Properties
| Brazing Temperature, °C | 730 to 840 | |
| 740 to 900 |
| Latent Heat of Fusion, J/g | 190 | |
| 140 |
| Melting Completion (Liquidus), °C | 790 | |
| 780 |
| Melting Onset (Solidus), °C | 710 | |
| 670 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 330 |
| Thermal Expansion, µm/m-K | 16 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 40 |
| Embodied Energy, MJ/kg | 38 | |
| 630 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.0 | |
| 5.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 17 |
| Strength to Weight: Axial, points | 6.5 | |
| 4.7 |
| Strength to Weight: Bending, points | 8.9 | |
| 7.1 |
| Thermal Shock Resistance, points | 8.2 | |
| 5.7 |
Alloy Composition
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| Copper (Cu), % | 92.4 to 93 | |
| 29 to 31 |
| Nickel (Ni), % | 0 | |
| 1.5 to 2.5 |
| Phosphorus (P), % | 7.0 to 7.5 | |
| 0 |
| Silver (Ag), % | 0 | |
| 39 to 41 |
| Zinc (Zn), % | 0 | |
| 26 to 30 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |