C18400 Copper vs. C19000 Copper
Both C18400 copper and C19000 copper are copper alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is C18400 copper and the bottom bar is C19000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 13 to 50 | |
| 2.5 to 50 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 16 to 84 | |
| 45 to 94 |
| Shear Modulus, GPa | 44 | |
| 43 |
| Shear Strength, MPa | 190 to 310 | |
| 170 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 490 | |
| 260 to 760 |
| Tensile Strength: Yield (Proof), MPa | 110 to 480 | |
| 140 to 630 |
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 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 320 | |
| 250 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 60 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 61 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 31 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 41 | |
| 42 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 to 120 | |
| 18 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 54 to 980 | |
| 89 to 1730 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 8.5 to 15 | |
| 8.2 to 24 |
| Strength to Weight: Bending, points | 10 to 16 | |
| 10 to 21 |
| Thermal Diffusivity, mm2/s | 94 | |
| 73 |
| Thermal Shock Resistance, points | 9.6 to 17 | |
| 9.3 to 27 |
Alloy Composition
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| Arsenic (As), % | 0 to 0.0050 | |
| 0 |
| Calcium (Ca), % | 0 to 0.0050 | |
| 0 |
| Chromium (Cr), % | 0.4 to 1.2 | |
| 0 |
| Copper (Cu), % | 97.2 to 99.6 | |
| 96.9 to 99 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Lithium (Li), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.9 to 1.3 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0.15 to 0.35 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.7 | |
| 0 to 0.8 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |