EN 1.7231 Steel vs. Grade 361 Molybdenum
EN 1.7231 steel belongs to the iron alloys classification, while grade 361 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is grade 361 molybdenum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 310 |
| Elongation at Break, % | 11 to 12 | |
| 6.3 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 930 | |
| 620 |
| Tensile Strength: Yield (Proof), MPa | 570 to 800 | |
| 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 250 |
| Thermal Expansion, µm/m-K | 13 | |
| 7.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 28 |
| Embodied Energy, MJ/kg | 20 | |
| 330 |
| Embodied Water, L/kg | 51 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
| 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 870 to 1700 | |
| 450 |
| Stiffness to Weight: Axial, points | 13 | |
| 17 |
| Stiffness to Weight: Bending, points | 24 | |
| 22 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 17 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 16 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 21 |
Alloy Composition
| Carbon (C), % | 0.38 to 0.45 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Iron (Fe), % | 96.4 to 98.1 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 99.9 to 100 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Nitrogen (N), % | 0 | |
| 0 to 0.0020 |
| Oxygen (O), % | 0 | |
| 0 to 0.0070 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.010 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |