Monel 400 vs. C18400 Copper
Monel 400 belongs to the nickel alloys classification, while C18400 copper belongs to the copper alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. 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 Monel 400 and the bottom bar is C18400 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 120 |
| Elongation at Break, % | 20 to 40 | |
| 13 to 50 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 62 | |
| 44 |
| Shear Strength, MPa | 370 to 490 | |
| 190 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 780 | |
| 270 to 490 |
| Tensile Strength: Yield (Proof), MPa | 210 to 590 | |
| 110 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 200 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1080 |
| Melting Onset (Solidus), °C | 1300 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 390 |
| Thermal Conductivity, W/m-K | 23 | |
| 320 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 80 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
| 81 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 31 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 2.6 |
| Embodied Energy, MJ/kg | 110 | |
| 41 |
| Embodied Water, L/kg | 250 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 63 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 1080 | |
| 54 to 980 |
| Stiffness to Weight: Axial, points | 10 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 21 | |
| 18 |
| Strength to Weight: Axial, points | 17 to 25 | |
| 8.5 to 15 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 10 to 16 |
| Thermal Diffusivity, mm2/s | 6.1 | |
| 94 |
| Thermal Shock Resistance, points | 17 to 25 | |
| 9.6 to 17 |
Alloy Composition
| Arsenic (As), % | 0 | |
| 0 to 0.0050 |
| Calcium (Ca), % | 0 | |
| 0 to 0.0050 |
| Carbon (C), % | 0 to 0.3 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.4 to 1.2 |
| Copper (Cu), % | 28 to 34 | |
| 97.2 to 99.6 |
| Iron (Fe), % | 0 to 2.5 | |
| 0 to 0.15 |
| Lithium (Li), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 63 to 72 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.024 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.7 |
| Residuals, % | 0 | |
| 0 to 0.5 |