Grade 18 Titanium vs. Monel K-500
Grade 18 titanium belongs to the titanium alloys classification, while Monel K-500 belongs to the nickel alloys. There are 29 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 grade 18 titanium and the bottom bar is Monel K-500.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 160 |
| Elongation at Break, % | 11 to 17 | |
| 25 to 36 |
| Fatigue Strength, MPa | 330 to 480 | |
| 260 to 560 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 61 |
| Shear Strength, MPa | 420 to 590 | |
| 430 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 980 | |
| 640 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 540 to 810 | |
| 310 to 880 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 900 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1350 |
| Melting Onset (Solidus), °C | 1590 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 440 |
| Thermal Conductivity, W/m-K | 8.3 | |
| 18 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 3.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 8.1 |
| Embodied Energy, MJ/kg | 670 | |
| 120 |
| Embodied Water, L/kg | 270 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 180 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 to 3110 | |
| 300 to 2420 |
| Stiffness to Weight: Axial, points | 13 | |
| 10 |
| Stiffness to Weight: Bending, points | 35 | |
| 21 |
| Strength to Weight: Axial, points | 43 to 61 | |
| 21 to 35 |
| Strength to Weight: Bending, points | 39 to 49 | |
| 19 to 27 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 4.8 |
| Thermal Shock Resistance, points | 47 to 67 | |
| 21 to 36 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.5 | |
| 2.3 to 3.2 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.18 |
| Copper (Cu), % | 0 | |
| 27 to 33 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 63 to 70.4 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 0.35 to 0.85 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |