SAE-AISI 1144 Steel vs. Monel 400
SAE-AISI 1144 steel belongs to the iron alloys classification, while Monel 400 belongs to the nickel alloys. There are 30 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 SAE-AISI 1144 steel and the bottom bar is Monel 400.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 160 |
| Elongation at Break, % | 11 to 17 | |
| 20 to 40 |
| Fatigue Strength, MPa | 280 to 430 | |
| 230 to 290 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 72 | |
| 62 |
| Shear Strength, MPa | 460 to 510 | |
| 370 to 490 |
| Tensile Strength: Ultimate (UTS), MPa | 750 to 840 | |
| 540 to 780 |
| Tensile Strength: Yield (Proof), MPa | 420 to 690 | |
| 210 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 1000 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1350 |
| Melting Onset (Solidus), °C | 1410 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 430 |
| Thermal Conductivity, W/m-K | 51 | |
| 23 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 50 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 7.9 |
| Embodied Energy, MJ/kg | 19 | |
| 110 |
| Embodied Water, L/kg | 47 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 91 to 110 | |
| 140 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 480 to 1290 | |
| 140 to 1080 |
| Stiffness to Weight: Axial, points | 13 | |
| 10 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 27 to 30 | |
| 17 to 25 |
| Strength to Weight: Bending, points | 23 to 25 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 14 | |
| 6.1 |
| Thermal Shock Resistance, points | 22 to 24 | |
| 17 to 25 |
Alloy Composition
| Carbon (C), % | 0.4 to 0.48 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 28 to 34 |
| Iron (Fe), % | 97.5 to 98 | |
| 0 to 2.5 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 63 to 72 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0.24 to 0.33 | |
| 0 to 0.024 |