Type 3 Niobium vs. ASTM A285 Carbon Steel
Type 3 niobium belongs to the otherwise unclassified metals classification, while ASTM A285 carbon steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is Type 3 niobium and the bottom bar is ASTM A285 carbon steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 110 to 130 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 23 | |
| 30 to 34 |
| Poisson's Ratio | 0.4 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 380 to 450 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 190 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 42 | |
| 53 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.9 |
| Embodied Water, L/kg | 160 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 94 to 150 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 7.2 | |
| 13 to 16 |
| Strength to Weight: Bending, points | 9.5 | |
| 15 to 17 |
| Thermal Diffusivity, mm2/s | 18 | |
| 14 |
| Thermal Shock Resistance, points | 21 | |
| 12 to 14 |