Grade 17 Titanium vs. C72200 Copper-nickel
Grade 17 titanium belongs to the titanium alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 17 titanium and the bottom bar is C72200 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 38 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 350 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 230 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1180 |
| Melting Onset (Solidus), °C | 1610 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 400 |
| Thermal Conductivity, W/m-K | 23 | |
| 34 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 6.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 6.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 36 | |
| 3.9 |
| Embodied Energy, MJ/kg | 600 | |
| 59 |
| Embodied Water, L/kg | 230 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 35 | |
| 19 |
| Strength to Weight: Axial, points | 17 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 21 | |
| 12 to 17 |
| Thermal Diffusivity, mm2/s | 9.3 | |
| 9.6 |
| Thermal Shock Resistance, points | 21 | |
| 12 to 20 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.3 to 0.7 |
| Copper (Cu), % | 0 | |
| 78.1 to 84.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0.5 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 15 to 18 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Titanium (Ti), % | 99.015 to 99.96 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.2 |