Monel 400 vs. N08800 Stainless Steel
Monel 400 belongs to the nickel alloys classification, while N08800 stainless steel belongs to the iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is Monel 400 and the bottom bar is N08800 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 200 |
| Elongation at Break, % | 20 to 40 | |
| 4.5 to 34 |
| Fatigue Strength, MPa | 230 to 290 | |
| 150 to 390 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 62 | |
| 77 |
| Shear Strength, MPa | 370 to 490 | |
| 340 to 580 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 780 | |
| 500 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 210 to 590 | |
| 190 to 830 |
Thermal Properties
| Curie Temperature, °C | 40 | |
| -120 |
| Latent Heat of Fusion, J/g | 270 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1390 |
| Melting Onset (Solidus), °C | 1300 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 480 |
| Thermal Conductivity, W/m-K | 23 | |
| 12 |
| Thermal Expansion, µm/m-K | 14 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
| 1.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 30 |
| Density, g/cm3 | 8.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 5.3 |
| Embodied Energy, MJ/kg | 110 | |
| 76 |
| Embodied Water, L/kg | 250 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 42 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 1080 | |
| 96 to 1740 |
| Stiffness to Weight: Axial, points | 10 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 25 | |
| 18 to 35 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 18 to 28 |
| Thermal Diffusivity, mm2/s | 6.1 | |
| 3.0 |
| Thermal Shock Resistance, points | 17 to 25 | |
| 13 to 25 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.15 to 0.6 |
| Carbon (C), % | 0 to 0.3 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 19 to 23 |
| Copper (Cu), % | 28 to 34 | |
| 0 to 0.75 |
| Iron (Fe), % | 0 to 2.5 | |
| 39.5 to 50.7 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 63 to 72 | |
| 30 to 35 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.024 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.6 |