Nickel 725 vs. Monel R-405
Both nickel 725 and Monel R-405 are nickel alloys. They have 59% of their average alloy composition in common. 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 nickel 725 and the bottom bar is Monel R-405.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 160 |
| Elongation at Break, % | 34 | |
| 9.1 to 39 |
| Fatigue Strength, MPa | 260 | |
| 210 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 78 | |
| 62 |
| Shear Strength, MPa | 580 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 860 | |
| 540 to 630 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 190 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 900 |
| Melting Completion (Liquidus), °C | 1340 | |
| 1350 |
| Melting Onset (Solidus), °C | 1270 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 430 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 50 |
| Density, g/cm3 | 8.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 7.9 |
| Embodied Energy, MJ/kg | 190 | |
| 110 |
| Embodied Water, L/kg | 270 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 | |
| 49 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 | |
| 120 to 370 |
| Stiffness to Weight: Axial, points | 13 | |
| 10 |
| Stiffness to Weight: Bending, points | 23 | |
| 21 |
| Strength to Weight: Axial, points | 28 | |
| 17 to 20 |
| Strength to Weight: Bending, points | 24 | |
| 17 to 18 |
| Thermal Shock Resistance, points | 23 | |
| 17 to 20 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.35 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.3 |
| Chromium (Cr), % | 19 to 22.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 28 to 34 |
| Iron (Fe), % | 2.3 to 15.3 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 7.0 to 9.5 | |
| 0 |
| Nickel (Ni), % | 55 to 59 | |
| 63 to 72 |
| Niobium (Nb), % | 2.8 to 4.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0.025 to 0.060 |
| Titanium (Ti), % | 1.0 to 1.7 | |
| 0 |