C71520 Copper-nickel vs. Grade 29 Titanium
C71520 copper-nickel belongs to the copper alloys classification, while grade 29 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C71520 copper-nickel and the bottom bar is grade 29 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 110 |
| Elongation at Break, % | 10 to 45 | |
| 6.8 to 11 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 51 | |
| 40 |
| Shear Strength, MPa | 250 to 340 | |
| 550 to 560 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 570 | |
| 930 to 940 |
| Tensile Strength: Yield (Proof), MPa | 140 to 430 | |
| 850 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 340 |
| Melting Completion (Liquidus), °C | 1170 | |
| 1610 |
| Melting Onset (Solidus), °C | 1120 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 560 |
| Thermal Conductivity, W/m-K | 32 | |
| 7.3 |
| Thermal Expansion, µm/m-K | 15 | |
| 9.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.7 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.8 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 36 |
| Density, g/cm3 | 8.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 39 |
| Embodied Energy, MJ/kg | 73 | |
| 640 |
| Embodied Water, L/kg | 280 | |
| 410 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 54 to 130 | |
| 62 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 67 to 680 | |
| 3420 to 3540 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 35 |
| Strength to Weight: Axial, points | 12 to 18 | |
| 58 to 59 |
| Strength to Weight: Bending, points | 13 to 17 | |
| 47 to 48 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 2.9 |
| Thermal Shock Resistance, points | 12 to 19 | |
| 68 to 69 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.5 to 6.5 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.080 |
| Copper (Cu), % | 65 to 71.6 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 28 to 33 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.13 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.080 to 0.14 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 88 to 90.9 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |