Type 3 Niobium vs. AISI 201L Stainless Steel
Type 3 niobium belongs to the otherwise unclassified metals classification, while AISI 201L stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is Type 3 niobium and the bottom bar is AISI 201L stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 190 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 23 | |
| 22 to 46 |
| Poisson's Ratio | 0.4 | |
| 0.28 |
| Shear Modulus, GPa | 38 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 740 to 1040 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 290 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 280 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 42 | |
| 15 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.7 |
| Embodied Water, L/kg | 160 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 210 to 300 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 220 to 1570 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 7.2 | |
| 27 to 37 |
| Strength to Weight: Bending, points | 9.5 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 18 | |
| 4.0 |
| Thermal Shock Resistance, points | 21 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 67.9 to 75 |
| Manganese (Mn), % | 0 | |
| 5.5 to 7.5 |
| Molybdenum (Mo), % | 0 to 0.010 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 3.5 to 5.5 |
| Niobium (Nb), % | 98.6 to 99.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.25 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| 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 |