Titanium 15-3-3-3 vs. Nickel 685
Titanium 15-3-3-3 belongs to the titanium alloys classification, while nickel 685 belongs to the nickel 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 15-3-3-3 and the bottom bar is nickel 685.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 17 |
| Fatigue Strength, MPa | 610 to 710 | |
| 470 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 77 |
| Shear Strength, MPa | 660 to 810 | |
| 770 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 1250 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1340 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 1000 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1380 |
| Melting Onset (Solidus), °C | 1560 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 460 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 13 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 75 |
| Density, g/cm3 | 4.8 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 10 |
| Embodied Energy, MJ/kg | 950 | |
| 140 |
| Embodied Water, L/kg | 260 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 89 | |
| 190 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 32 | |
| 23 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 42 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 31 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 3.3 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 37 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0 to 0.050 | |
| 0.030 to 0.1 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 18 to 21 |
| Cobalt (Co), % | 0 | |
| 12 to 15 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 5.0 |
| Nickel (Ni), % | 0 | |
| 49.6 to 62.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 2.8 to 3.3 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.020 to 0.12 |
| Residuals, % | 0 to 0.4 | |
| 0 |