C71000 Copper-nickel vs. Titanium 4-4-2
C71000 copper-nickel belongs to the copper alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 49 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 560 | |
| 1150 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 240 | |
| 310 |
| Melting Completion (Liquidus), °C | 1200 | |
| 1610 |
| Melting Onset (Solidus), °C | 1150 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 540 |
| Thermal Conductivity, W/m-K | 43 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 15 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 39 |
| Density, g/cm3 | 8.9 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 30 |
| Embodied Energy, MJ/kg | 63 | |
| 480 |
| Embodied Water, L/kg | 290 | |
| 180 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.2 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 34 |
| Strength to Weight: Axial, points | 10 to 18 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 12 to 17 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 12 | |
| 2.6 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Copper (Cu), % | 73.5 to 80.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.5 to 1.0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 19 to 23 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.3 to 0.7 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |