Titanium 4-4-2 vs. C72800 Copper-nickel
Titanium 4-4-2 belongs to the titanium alloys classification, while C72800 copper-nickel belongs to the copper alloys. There are 27 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 titanium 4-4-2 and the bottom bar is C72800 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 10 | |
| 3.9 to 23 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 42 | |
| 44 |
| Shear Strength, MPa | 690 to 750 | |
| 330 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 520 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 250 to 1210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 200 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1080 |
| Melting Onset (Solidus), °C | 1560 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 380 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 55 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 38 |
| Density, g/cm3 | 4.7 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 4.4 |
| Embodied Energy, MJ/kg | 480 | |
| 68 |
| Embodied Water, L/kg | 180 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 37 to 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 260 to 5650 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 34 | |
| 19 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 17 to 40 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 16 to 30 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 17 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 19 to 45 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 to 0.1 |
| Antimony (Sb), % | 0 | |
| 0 to 0.020 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.0010 |
| Boron (B), % | 0 | |
| 0 to 0.0010 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 78.3 to 82.8 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.0050 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.3 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 9.5 to 10.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.3 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 to 0.050 |
| Sulfur (S), % | 0 | |
| 0 to 0.0025 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 7.5 to 8.5 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 0 to 0.010 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |