Titanium 4-4-2 vs. Nickel 625
Titanium 4-4-2 belongs to the titanium alloys classification, while nickel 625 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is titanium 4-4-2 and the bottom bar is nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 10 | |
| 33 to 34 |
| Fatigue Strength, MPa | 590 to 620 | |
| 240 to 320 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 79 |
| Shear Strength, MPa | 690 to 750 | |
| 530 to 600 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 320 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 980 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1350 |
| Melting Onset (Solidus), °C | 1560 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 440 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 11 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 80 |
| Density, g/cm3 | 4.7 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 14 |
| Embodied Energy, MJ/kg | 480 | |
| 190 |
| Embodied Water, L/kg | 180 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 23 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 2.9 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 22 to 25 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 to 0.4 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 0 to 0.4 |
| Residuals, % | 0 to 0.4 | |
| 0 |