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