C71640 Copper-nickel vs. Grade C-5 Titanium
C71640 copper-nickel belongs to the copper alloys classification, while grade C-5 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is grade C-5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 52 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 1000 |
| Tensile Strength: Yield (Proof), MPa | 190 to 460 | |
| 940 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 340 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1610 |
| Melting Onset (Solidus), °C | 1120 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 560 |
| Thermal Conductivity, W/m-K | 29 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 15 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 36 |
| Density, g/cm3 | 8.9 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 38 |
| Embodied Energy, MJ/kg | 73 | |
| 610 |
| Embodied Water, L/kg | 280 | |
| 200 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 750 | |
| 4200 |
| Stiffness to Weight: Axial, points | 8.7 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 35 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 63 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 50 |
| Thermal Diffusivity, mm2/s | 8.2 | |
| 2.9 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 71 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 61.7 to 67.8 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 1.7 to 2.3 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 |
| Nickel (Ni), % | 29 to 32 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Titanium (Ti), % | 0 | |
| 87.5 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |