Monel K-500 vs. Grade 21 Titanium
Monel K-500 belongs to the nickel alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 28 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 Monel K-500 and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 140 |
| Elongation at Break, % | 25 to 36 | |
| 9.0 to 17 |
| Fatigue Strength, MPa | 260 to 560 | |
| 550 to 660 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 61 | |
| 51 |
| Shear Strength, MPa | 430 to 700 | |
| 550 to 790 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 1100 | |
| 890 to 1340 |
| Tensile Strength: Yield (Proof), MPa | 310 to 880 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 310 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1740 |
| Melting Onset (Solidus), °C | 1320 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 500 |
| Thermal Conductivity, W/m-K | 18 | |
| 7.5 |
| Thermal Expansion, µm/m-K | 14 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 60 |
| Density, g/cm3 | 8.7 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 32 |
| Embodied Energy, MJ/kg | 120 | |
| 490 |
| Embodied Water, L/kg | 280 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 180 to 260 | |
| 110 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 to 2420 | |
| 2760 to 5010 |
| Stiffness to Weight: Axial, points | 10 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 32 |
| Strength to Weight: Axial, points | 21 to 35 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 19 to 27 | |
| 38 to 50 |
| Thermal Diffusivity, mm2/s | 4.8 | |
| 2.8 |
| Thermal Shock Resistance, points | 21 to 36 | |
| 66 to 100 |
Alloy Composition
| Aluminum (Al), % | 2.3 to 3.2 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.18 | |
| 0 to 0.050 |
| Copper (Cu), % | 27 to 33 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 2.0 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Nickel (Ni), % | 63 to 70.4 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.17 |
| Silicon (Si), % | 0 to 0.5 | |
| 0.15 to 0.25 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0.35 to 0.85 | |
| 76 to 81.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |