Type 3 Niobium vs. AISI 416 Stainless Steel
Type 3 niobium belongs to the otherwise unclassified metals classification, while AISI 416 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 416 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 230 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 23 | |
| 13 to 31 |
| Poisson's Ratio | 0.4 | |
| 0.28 |
| Shear Modulus, GPa | 38 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 510 to 800 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 290 to 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 42 | |
| 30 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 9.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.7 |
| Embodied Water, L/kg | 160 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 98 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 220 to 940 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 7.2 | |
| 18 to 29 |
| Strength to Weight: Bending, points | 9.5 | |
| 18 to 25 |
| Thermal Diffusivity, mm2/s | 18 | |
| 8.1 |
| Thermal Shock Resistance, points | 21 | |
| 19 to 30 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 12 to 14 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 83.2 to 87.9 |
| Manganese (Mn), % | 0 | |
| 0 to 1.3 |
| Molybdenum (Mo), % | 0 to 0.010 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| 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 0.060 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0.15 to 0.35 |
| 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 |