Monel K-500 vs. Monel 400
Both Monel K-500 and Monel 400 are nickel alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is Monel K-500 and the bottom bar is Monel 400.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 160 |
| Elongation at Break, % | 25 to 36 | |
| 20 to 40 |
| Fatigue Strength, MPa | 260 to 560 | |
| 230 to 290 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 61 | |
| 62 |
| Shear Strength, MPa | 430 to 700 | |
| 370 to 490 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 1100 | |
| 540 to 780 |
| Tensile Strength: Yield (Proof), MPa | 310 to 880 | |
| 210 to 590 |
Thermal Properties
| Curie Temperature, °C | -67 | |
| 40 |
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 1000 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1350 |
| Melting Onset (Solidus), °C | 1320 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 430 |
| Thermal Conductivity, W/m-K | 18 | |
| 23 |
| Thermal Expansion, µm/m-K | 14 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.1 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 50 |
| Calomel Potential, mV | -100 | |
| -80 |
| Density, g/cm3 | 8.7 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 7.9 |
| Embodied Energy, MJ/kg | 120 | |
| 110 |
| Embodied Water, L/kg | 280 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 180 to 260 | |
| 140 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 to 2420 | |
| 140 to 1080 |
| Stiffness to Weight: Axial, points | 10 | |
| 10 |
| Stiffness to Weight: Bending, points | 21 | |
| 21 |
| Strength to Weight: Axial, points | 21 to 35 | |
| 17 to 25 |
| Strength to Weight: Bending, points | 19 to 27 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 4.8 | |
| 6.1 |
| Thermal Shock Resistance, points | 21 to 36 | |
| 17 to 25 |
Alloy Composition
| Aluminum (Al), % | 2.3 to 3.2 | |
| 0 |
| Carbon (C), % | 0 to 0.18 | |
| 0 to 0.3 |
| Copper (Cu), % | 27 to 33 | |
| 28 to 34 |
| Iron (Fe), % | 0 to 2.0 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 2.0 |
| Nickel (Ni), % | 63 to 70.4 | |
| 63 to 72 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.024 |
| Titanium (Ti), % | 0.35 to 0.85 | |
| 0 |