C72500 Copper-nickel vs. Grade 20 Titanium
C72500 copper-nickel belongs to the copper alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 780 | |
| 900 to 1270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 370 |
| Melting Completion (Liquidus), °C | 1130 | |
| 1660 |
| Melting Onset (Solidus), °C | 1060 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 520 |
| Thermal Expansion, µm/m-K | 17 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 52 |
| Embodied Energy, MJ/kg | 55 | |
| 860 |
| Embodied Water, L/kg | 320 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 33 |
| Strength to Weight: Axial, points | 13 to 24 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 14 to 21 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 14 to 27 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 5.5 to 6.5 |
| Copper (Cu), % | 85.2 to 89.7 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 8.5 to 10.5 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Tin (Sn), % | 1.8 to 2.8 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 71 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.4 |