TH04 C18200 Copper vs. TH04 C15000 Copper
Both TH04 C18200 copper and TH04 C15000 copper are copper alloys. Both are furnished in the TH04 (full-hard and precipitation heat treated) temper. Their average alloy composition is basically identical.
For each property being compared, the top bar is TH04 C18200 copper and the bottom bar is TH04 C15000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 16 | |
| 13 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 82 | |
| 71 |
| Shear Modulus, GPa | 44 | |
| 43 |
| Shear Strength, MPa | 320 | |
| 280 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 460 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 460 |
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 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 320 | |
| 370 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 93 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 93 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 31 |
| Density, g/cm3 | 8.9 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 41 | |
| 43 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 61 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 860 | |
| 910 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 16 | |
| 14 |
| Strength to Weight: Bending, points | 16 | |
| 15 |
| Thermal Diffusivity, mm2/s | 93 | |
| 110 |
| Thermal Shock Resistance, points | 18 | |
| 17 |
Alloy Composition
| Chromium (Cr), % | 0.6 to 1.2 | |
| 0 |
| Copper (Cu), % | 98.6 to 99.4 | |
| 99.8 to 99.9 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.1 to 0.2 |