C55283 Copper vs. C55284 Copper
Both C55283 copper and C55284 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common.
For each property being compared, the top bar is C55283 copper and the bottom bar is C55284 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 190 | |
| 180 |
Thermal Properties
| Brazing Temperature, °C | 690 to 790 | |
| 700 to 820 |
| Latent Heat of Fusion, J/g | 190 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 720 | |
| 800 |
| Melting Onset (Solidus), °C | 640 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 380 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 16 |
| Embodied Energy, MJ/kg | 120 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.8 | |
| 6.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 6.1 | |
| 5.6 |
| Strength to Weight: Bending, points | 8.5 | |
| 8.0 |
| Thermal Shock Resistance, points | 8.0 | |
| 7.4 |
Alloy Composition
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| Copper (Cu), % | 86.2 to 87.2 | |
| 79.2 to 80.7 |
| Phosphorus (P), % | 7.0 to 7.5 | |
| 4.8 to 5.2 |
| Silver (Ag), % | 5.8 to 6.2 | |
| 14.5 to 15.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |