Titanium 4-4-2 vs. C71640 Copper-nickel
Titanium 4-4-2 belongs to the titanium alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is titanium 4-4-2 and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 140 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 42 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 260 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1180 |
| Melting Onset (Solidus), °C | 1560 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 410 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 29 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 40 |
| Density, g/cm3 | 4.7 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 5.0 |
| Embodied Energy, MJ/kg | 480 | |
| 73 |
| Embodied Water, L/kg | 180 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 34 | |
| 20 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 8.2 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 16 to 21 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 61.7 to 67.8 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 29 to 32 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |