Type 3 Niobium vs. EN 1.4482 Stainless Steel
Type 3 niobium belongs to the otherwise unclassified metals classification, while EN 1.4482 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is Type 3 niobium and the bottom bar is EN 1.4482 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 23 | |
| 34 |
| Poisson's Ratio | 0.4 | |
| 0.28 |
| Shear Modulus, GPa | 38 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 770 to 800 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 530 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 290 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 42 | |
| 15 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.7 |
| Embodied Water, L/kg | 160 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 230 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 690 to 820 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 7.2 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 9.5 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 18 | |
| 4.0 |
| Thermal Shock Resistance, points | 21 | |
| 21 to 22 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 19.5 to 21.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 66.1 to 74.9 |
| Manganese (Mn), % | 0 | |
| 4.0 to 6.0 |
| Molybdenum (Mo), % | 0 to 0.010 | |
| 0.1 to 0.6 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 1.5 to 3.5 |
| Niobium (Nb), % | 98.6 to 99.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0.050 to 0.2 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 1.0 |
| 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 |