Grade 38 Titanium vs. C70400 Copper-nickel
Grade 38 titanium belongs to the titanium alloys classification, while C70400 copper-nickel belongs to the copper 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.
For each property being compared, the top bar is grade 38 titanium and the bottom bar is C70400 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 300 to 310 |
| Tensile Strength: Yield (Proof), MPa | 910 | |
| 95 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 210 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1120 |
| Melting Onset (Solidus), °C | 1570 | |
| 1060 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 390 |
| Thermal Conductivity, W/m-K | 8.0 | |
| 64 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 32 |
| Density, g/cm3 | 4.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 35 | |
| 3.0 |
| Embodied Energy, MJ/kg | 560 | |
| 47 |
| Embodied Water, L/kg | 160 | |
| 300 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3840 | |
| 38 to 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 35 | |
| 19 |
| Strength to Weight: Axial, points | 62 | |
| 9.3 to 9.8 |
| Strength to Weight: Bending, points | 49 | |
| 11 to 12 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 18 |
| Thermal Shock Resistance, points | 72 | |
| 10 to 11 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 4.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 89.8 to 93.6 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 1.2 to 1.8 | |
| 1.3 to 1.7 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.8 |
| Nickel (Ni), % | 0 | |
| 4.8 to 6.2 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0.2 to 0.3 | |
| 0 |
| Titanium (Ti), % | 89.9 to 93.1 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |