Nickel 685 vs. Grade 14 Titanium
Nickel 685 belongs to the nickel alloys classification, while grade 14 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 nickel 685 and the bottom bar is grade 14 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 17 | |
| 23 |
| Fatigue Strength, MPa | 470 | |
| 220 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 20 | |
| 34 |
| Shear Modulus, GPa | 77 | |
| 41 |
| Shear Strength, MPa | 770 | |
| 290 |
| Tensile Strength: Ultimate (UTS), MPa | 1250 | |
| 460 |
| Tensile Strength: Yield (Proof), MPa | 850 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 320 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1660 |
| Melting Onset (Solidus), °C | 1330 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 540 |
| Thermal Conductivity, W/m-K | 13 | |
| 21 |
| Thermal Expansion, µm/m-K | 12 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 37 |
| Density, g/cm3 | 8.4 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 32 |
| Embodied Energy, MJ/kg | 140 | |
| 520 |
| Embodied Water, L/kg | 340 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
| 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1820 | |
| 450 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 35 |
| Strength to Weight: Axial, points | 42 | |
| 28 |
| Strength to Weight: Bending, points | 31 | |
| 29 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 8.5 |
| Thermal Shock Resistance, points | 37 | |
| 35 |
Alloy Composition
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| Aluminum (Al), % | 1.2 to 1.6 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0.030 to 0.1 | |
| 0 to 0.080 |
| Chromium (Cr), % | 18 to 21 | |
| 0 |
| Cobalt (Co), % | 12 to 15 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 2.0 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 3.5 to 5.0 | |
| 0 |
| Nickel (Ni), % | 49.6 to 62.5 | |
| 0.4 to 0.6 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.040 to 0.060 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 2.8 to 3.3 | |
| 98.4 to 99.56 |
| Zinc (Zn), % | 0.020 to 0.12 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |