ASTM B631 Class C vs. Grade 366 Molybdenum
Both ASTM B631 class C and grade 366 molybdenum are otherwise unclassified metals. There are 11 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is ASTM B631 class C and the bottom bar is grade 366 molybdenum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 to 190 | |
| 300 |
| Poisson's Ratio | 0.32 | |
| 0.3 |
| Shear Modulus, GPa | 66 to 71 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 to 150 | |
| 310 |
| Specific Heat Capacity, J/kg-K | 180 | |
| 210 |
| Thermal Expansion, µm/m-K | 14 | |
| 7.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 to 14 | |
| 12 |
| Embodied Carbon, kg CO2/kg material | 55 to 59 | |
| 27 |
| Embodied Energy, MJ/kg | 860 to 920 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 to 7.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 14 | |
| 18 |