C82500 Copper vs. C82400 Copper
Both C82500 copper and C82400 copper are copper alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is C82500 copper and the bottom bar is C82400 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 1.0 to 20 | |
| 1.0 to 20 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 45 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 1100 | |
| 500 to 1030 |
| Tensile Strength: Yield (Proof), MPa | 310 to 980 | |
| 260 to 970 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 280 | |
| 270 |
| Melting Completion (Liquidus), °C | 980 | |
| 1000 |
| Melting Onset (Solidus), °C | 860 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 20 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 21 | |
| 26 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 8.9 |
| Embodied Energy, MJ/kg | 160 | |
| 140 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 94 | |
| 10 to 83 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 4000 | |
| 270 to 3870 |
| Stiffness to Weight: Axial, points | 7.7 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 35 | |
| 16 to 33 |
| Strength to Weight: Bending, points | 17 to 27 | |
| 16 to 26 |
| Thermal Diffusivity, mm2/s | 38 | |
| 39 |
| Thermal Shock Resistance, points | 19 to 38 | |
| 17 to 36 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.15 | |
| 0 to 0.15 |
| Beryllium (Be), % | 1.9 to 2.3 | |
| 1.6 to 1.9 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0.15 to 0.7 | |
| 0.2 to 0.65 |
| Copper (Cu), % | 95.3 to 97.8 | |
| 96 to 98.2 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 to 0.2 |
| Silicon (Si), % | 0.2 to 0.35 | |
| 0 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.12 | |
| 0 to 0.12 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |