TM03 C70250 Copper vs. TM03 C70260 Copper
Both TM03 C70250 copper and TM03 C70260 copper are copper alloys. Both are furnished in the TM03 (mill hardened to 3/4 hard) temper. They have a very high 98% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is TM03 C70250 copper and the bottom bar is TM03 C70260 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 720 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 200 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1060 |
| Melting Onset (Solidus), °C | 1080 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 170 | |
| 160 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 37 | |
| 40 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 31 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 43 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 23 | |
| 23 |
| Strength to Weight: Bending, points | 21 | |
| 20 |
| Thermal Diffusivity, mm2/s | 49 | |
| 45 |
| Thermal Shock Resistance, points | 26 | |
| 26 |
Alloy Composition
| Copper (Cu), % | 92.7 to 97.5 | |
| 95.8 to 98.8 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.050 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 2.2 to 4.2 | |
| 1.0 to 3.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0.25 to 1.2 | |
| 0.2 to 0.7 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |