C18200 Copper vs. C18400 Copper
Both C18200 copper and C18400 copper are copper alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is C18200 copper and the bottom bar is C18400 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 11 to 40 | |
| 13 to 50 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 65 to 82 | |
| 16 to 84 |
| Shear Modulus, GPa | 44 | |
| 44 |
| Shear Strength, MPa | 210 to 320 | |
| 190 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 530 | |
| 270 to 490 |
| Tensile Strength: Yield (Proof), MPa | 97 to 450 | |
| 110 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1080 |
| Melting Onset (Solidus), °C | 1070 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 320 | |
| 320 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 80 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 81 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 31 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 41 | |
| 41 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 96 | |
| 63 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 40 to 860 | |
| 54 to 980 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 9.6 to 16 | |
| 8.5 to 15 |
| Strength to Weight: Bending, points | 11 to 16 | |
| 10 to 16 |
| Thermal Diffusivity, mm2/s | 93 | |
| 94 |
| Thermal Shock Resistance, points | 11 to 18 | |
| 9.6 to 17 |
Alloy Composition
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| Arsenic (As), % | 0 | |
| 0 to 0.0050 |
| Calcium (Ca), % | 0 | |
| 0 to 0.0050 |
| Chromium (Cr), % | 0.6 to 1.2 | |
| 0.4 to 1.2 |
| Copper (Cu), % | 98.6 to 99.4 | |
| 97.2 to 99.6 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Lithium (Li), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.7 |
| Residuals, % | 0 | |
| 0 to 0.5 |