Type 3 Niobium vs. EN 1.1133 Steel
Type 3 niobium belongs to the otherwise unclassified metals classification, while EN 1.1133 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 EN 1.1133 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 | |
| 170 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 23 | |
| 19 to 24 |
| Poisson's Ratio | 0.4 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 580 to 620 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 320 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 42 | |
| 49 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.8 |
| Embodied Water, L/kg | 160 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 270 to 550 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 7.2 | |
| 21 to 22 |
| Strength to Weight: Bending, points | 9.5 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 18 | |
| 13 |
| Thermal Shock Resistance, points | 21 | |
| 18 to 19 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0.17 to 0.23 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 96.9 to 98.8 |
| Manganese (Mn), % | 0 | |
| 1.0 to 1.5 |
| Molybdenum (Mo), % | 0 to 0.010 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 0.4 |
| 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 0.035 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| 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 |