CR021A Copper vs. C55284 Copper
Both CR021A copper and C55284 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is CR021A copper and the bottom bar is C55284 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 1090 | |
| 800 |
| Melting Onset (Solidus), °C | 1040 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.0 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 16 |
| Embodied Energy, MJ/kg | 41 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 6.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.1 | |
| 5.6 |
| Strength to Weight: Bending, points | 9.3 | |
| 8.0 |
| Thermal Shock Resistance, points | 8.1 | |
| 7.4 |
Alloy Composition
| Bismuth (Bi), % | 0 to 0.00050 | |
| 0 |
| Copper (Cu), % | 99.95 to 99.998 | |
| 79.2 to 80.7 |
| Lead (Pb), % | 0 to 0.0050 | |
| 0 |
| Phosphorus (P), % | 0.0020 to 0.0070 | |
| 4.8 to 5.2 |
| Silver (Ag), % | 0 to 0.015 | |
| 14.5 to 15.5 |
| Residuals, % | 0 | |
| 0 to 0.15 |