EN 1.4729 Stainless Steel vs. Grade 366 Molybdenum
EN 1.4729 stainless steel belongs to the iron alloys classification, while grade 366 molybdenum belongs to the otherwise unclassified metals. There are 13 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.
For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is grade 366 molybdenum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 300 |
| Elongation at Break, % | 15 | |
| 2.2 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 75 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 310 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 210 |
| Thermal Expansion, µm/m-K | 10 | |
| 7.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.6 | |
| 12 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 27 |
| Embodied Energy, MJ/kg | 29 | |
| 340 |
| Embodied Water, L/kg | 100 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 18 |
Alloy Composition
| Carbon (C), % | 0.3 to 0.5 | |
| 0 to 0.030 |
| Chromium (Cr), % | 12 to 14 | |
| 0 |
| Iron (Fe), % | 80.4 to 86.7 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 66.9 to 73 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 to 0.0020 |
| Nitrogen (N), % | 0 | |
| 0 to 0.0020 |
| Oxygen (O), % | 0 | |
| 0 to 0.0025 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0 to 0.010 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 0 | |
| 27 to 33 |