Nickel 625 vs. Grade 18 Titanium
Nickel 625 belongs to the nickel alloys classification, while grade 18 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 625 and the bottom bar is grade 18 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 33 to 34 | |
| 11 to 17 |
| Fatigue Strength, MPa | 240 to 320 | |
| 330 to 480 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 79 | |
| 40 |
| Shear Strength, MPa | 530 to 600 | |
| 420 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 910 | |
| 690 to 980 |
| Tensile Strength: Yield (Proof), MPa | 320 to 450 | |
| 540 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 330 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1640 |
| Melting Onset (Solidus), °C | 1290 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 550 |
| Thermal Conductivity, W/m-K | 11 | |
| 8.3 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.4 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 14 | |
| 41 |
| Embodied Energy, MJ/kg | 190 | |
| 670 |
| Embodied Water, L/kg | 290 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 to 250 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 1380 to 3110 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 35 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 39 to 49 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 3.4 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 47 to 67 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 460
| Aluminum (Al), % | 0 to 0.4 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.080 |
| Chromium (Cr), % | 20 to 23 | |
| 0 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 5.0 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 0 |
| Nickel (Ni), % | 58 to 68.9 | |
| 0 |
| Niobium (Nb), % | 3.2 to 4.2 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 to 0.4 | |
| 92.5 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |