HT C82400 Copper vs. HT C82500 Copper
Both HT C82400 copper and HT C82500 copper are copper alloys. Both are furnished in the heat treated (HT) condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is HT C82400 copper and the bottom bar is HT C82500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 1.0 | |
| 1.0 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Rockwell C Hardness | 38 | |
| 40 |
| Shear Modulus, GPa | 45 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 1030 | |
| 1100 |
| Tensile Strength: Yield (Proof), MPa | 970 | |
| 980 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1000 | |
| 980 |
| Melting Onset (Solidus), °C | 900 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 26 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 8.9 | |
| 10 |
| Embodied Energy, MJ/kg | 140 | |
| 160 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3870 | |
| 4000 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 33 | |
| 35 |
| Strength to Weight: Bending, points | 26 | |
| 27 |
| Thermal Diffusivity, mm2/s | 39 | |
| 38 |
| Thermal Shock Resistance, points | 36 | |
| 38 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.15 | |
| 0 to 0.15 |
| Beryllium (Be), % | 1.6 to 1.9 | |
| 1.9 to 2.3 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0.2 to 0.65 | |
| 0.15 to 0.7 |
| Copper (Cu), % | 96 to 98.2 | |
| 95.3 to 97.8 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.35 |
| 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 to 0.5 | |
| 0 to 0.5 |