C55284 Copper vs. C55181 Copper
Both C55284 copper and C55181 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C55284 copper and the bottom bar is C55181 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 38 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 200 |
Thermal Properties
| Brazing Temperature, °C | 700 to 820 | |
| 730 to 840 |
| Latent Heat of Fusion, J/g | 180 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 800 | |
| 790 |
| Melting Onset (Solidus), °C | 640 | |
| 710 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 410 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 16 | |
| 2.4 |
| Embodied Energy, MJ/kg | 260 | |
| 38 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.5 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 5.6 | |
| 6.5 |
| Strength to Weight: Bending, points | 8.0 | |
| 8.9 |
| Thermal Shock Resistance, points | 7.4 | |
| 8.2 |
Alloy Composition
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| Copper (Cu), % | 79.2 to 80.7 | |
| 92.4 to 93 |
| Phosphorus (P), % | 4.8 to 5.2 | |
| 7.0 to 7.5 |
| Silver (Ag), % | 14.5 to 15.5 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |