TM02 C18600 Copper vs. TM02 C70250 Copper
Both TM02 C18600 copper and TM02 C70250 copper are copper alloys. Both are furnished in the TM02 (mill hardened to half-hard) temper. They have a very high 95% of their average alloy composition in common.
For each property being compared, the top bar is TM02 C18600 copper and the bottom bar is TM02 C70250 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 11 | |
| 13 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 44 |
| Shear Strength, MPa | 310 | |
| 410 |
| Tensile Strength: Ultimate (UTS), MPa | 520 | |
| 670 |
| Tensile Strength: Yield (Proof), MPa | 520 | |
| 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 210 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1100 |
| Melting Onset (Solidus), °C | 1070 | |
| 1080 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 280 | |
| 170 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 70 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 71 | |
| 41 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 31 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 2.9 |
| Embodied Energy, MJ/kg | 46 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 58 | |
| 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1180 | |
| 1530 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 16 | |
| 21 |
| Strength to Weight: Bending, points | 16 | |
| 19 |
| Thermal Diffusivity, mm2/s | 81 | |
| 49 |
| Thermal Shock Resistance, points | 19 | |
| 24 |
Alloy Composition
| Chromium (Cr), % | 0.1 to 1.0 | |
| 0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 96.5 to 99.55 | |
| 92.7 to 97.5 |
| Iron (Fe), % | 0.25 to 0.8 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0 | |
| 0.050 to 0.3 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.25 | |
| 2.2 to 4.2 |
| Silicon (Si), % | 0 | |
| 0.25 to 1.2 |
| Titanium (Ti), % | 0.050 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Zirconium (Zr), % | 0.050 to 0.4 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |