C55281 Copper vs. C55283 Copper
Both C55281 copper and C55283 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is C55281 copper and the bottom bar is C55283 copper.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
100 |
Poisson's Ratio | 0.34 | |
0.34 |
Shear Modulus, GPa | 40 | |
39 |
Tensile Strength: Ultimate (UTS), MPa | 190 | |
190 |
Thermal Properties
Brazing Temperature, °C | 720 to 820 | |
690 to 790 |
Latent Heat of Fusion, J/g | 190 | |
190 |
Maximum Temperature: Mechanical, °C | 200 | |
200 |
Melting Completion (Liquidus), °C | 810 | |
720 |
Melting Onset (Solidus), °C | 640 | |
640 |
Specific Heat Capacity, J/kg-K | 400 | |
400 |
Thermal Expansion, µm/m-K | 16 | |
16 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.7 | |
8.6 |
Embodied Carbon, kg CO2/kg material | 7.0 | |
7.9 |
Embodied Energy, MJ/kg | 110 | |
120 |
Common Calculations
Stiffness to Weight: Axial, points | 6.9 | |
6.8 |
Stiffness to Weight: Bending, points | 18 | |
18 |
Strength to Weight: Axial, points | 6.1 | |
6.1 |
Strength to Weight: Bending, points | 8.5 | |
8.5 |
Thermal Shock Resistance, points | 7.7 | |
8.0 |
Alloy Composition
Copper (Cu), % | 88.5 to 89.4 | |
86.2 to 87.2 |
Phosphorus (P), % | 5.8 to 6.2 | |
7.0 to 7.5 |
Silver (Ag), % | 4.8 to 5.2 | |
5.8 to 6.2 |
Residuals, % | 0 | |
0 to 0.15 |