Monel 400 vs. SAE-AISI D4 Steel
Monel 400 belongs to the nickel alloys classification, while SAE-AISI D4 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is Monel 400 and the bottom bar is SAE-AISI D4 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 190 |
| Elongation at Break, % | 20 to 40 | |
| 8.4 to 15 |
| Fatigue Strength, MPa | 230 to 290 | |
| 310 to 920 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 62 | |
| 74 |
| Shear Strength, MPa | 370 to 490 | |
| 460 to 1210 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 780 | |
| 760 to 2060 |
| Tensile Strength: Yield (Proof), MPa | 210 to 590 | |
| 470 to 1540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1430 |
| Melting Onset (Solidus), °C | 1300 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 480 |
| Thermal Conductivity, W/m-K | 23 | |
| 31 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 4.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
| 5.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 8.0 |
| Density, g/cm3 | 8.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 3.3 |
| Embodied Energy, MJ/kg | 110 | |
| 49 |
| Embodied Water, L/kg | 250 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 100 to 160 |
| Stiffness to Weight: Axial, points | 10 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 25 | |
| 27 to 75 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 24 to 47 |
| Thermal Diffusivity, mm2/s | 6.1 | |
| 8.3 |
| Thermal Shock Resistance, points | 17 to 25 | |
| 23 to 63 |
Alloy Composition
| Carbon (C), % | 0 to 0.3 | |
| 2.1 to 2.4 |
| Chromium (Cr), % | 0 | |
| 11 to 13 |
| Copper (Cu), % | 28 to 34 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 2.5 | |
| 80.6 to 86.3 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.7 to 1.2 |
| Nickel (Ni), % | 63 to 72 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.024 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0 to 1.0 |