Type 3 Niobium vs. SAE-AISI 9310 Steel
Type 3 niobium belongs to the otherwise unclassified metals classification, while SAE-AISI 9310 steel belongs to the iron alloys. There are 21 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 Type 3 niobium and the bottom bar is SAE-AISI 9310 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 540 to 610 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 23 | |
| 17 to 19 |
| Poisson's Ratio | 0.4 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 820 to 910 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 450 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 42 | |
| 48 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.9 |
| Embodied Water, L/kg | 160 | |
| 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 120 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 540 to 860 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 7.2 | |
| 29 to 32 |
| Strength to Weight: Bending, points | 9.5 | |
| 25 to 27 |
| Thermal Diffusivity, mm2/s | 18 | |
| 13 |
| Thermal Shock Resistance, points | 21 | |
| 24 to 27 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0.080 to 0.13 |
| Chromium (Cr), % | 0 | |
| 1.0 to 1.4 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 93.8 to 95.2 |
| Manganese (Mn), % | 0 | |
| 0.45 to 0.65 |
| Molybdenum (Mo), % | 0 to 0.010 | |
| 0.080 to 0.15 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 3.0 to 3.5 |
| Niobium (Nb), % | 98.6 to 99.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0.2 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.012 |
| Tantalum (Ta), % | 0 to 0.1 | |
| 0 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Tungsten (W), % | 0 to 0.030 | |
| 0 |
| Zirconium (Zr), % | 0.8 to 1.2 | |
| 0 |