Materials overview
It combines high-temperature strength with corrosion resistance at a light density of 8.57 g/cm³. It is used in structural parts for aerospace and energy.
With a melting point of 2,477℃ at a density of 8.57 g/cm³, it is light for a refractory metal.
Its superconducting properties take it into accelerator cavities and MRI magnets, and it goes into aerospace structural members as well.
Key Property Values
These are the values engineers check first at the design stage. Actual delivery specifications follow the per-lot test report.
| Item | Value | Description |
|---|---|---|
| Melting point | 2477 °C | In the refractory metal group |
| Density g/cm³ | 8.57 | The lowest among the refractory metals |
| Thermal conductivity W/m·K | 53 | Moderate |
| Thermal expansion µm/m·K | 7.3 | At room temperature |
| Recommended atmosphere | Vacuum | Oxidizes in air at high temperature |
| Supply grade | 1 | Pure Nb 99.9% |
Figures are representative values. The thermal expansion coefficient is taken from published literature and needs review before release.
Key Advantages
How these figures translate into advantages in actual processes.
Superconductivity
Its high critical temperature makes it the standard material for superconducting magnets and accelerator cavities.
A light refractory metal
A melting point of 2,477℃ at a density of 8.57 g/cm³. That helps in aerospace structural parts where weight matters.
Excellent formability
Its good ductility at room temperature allows even complex geometries to be made by plastic working.
Supply Forms · Machining Options
| Form | Specification |
|---|---|
| Wire · Rod stock | On request |
| Sheet · Plate | On request |
| Rod · Bar | On request |
| Custom machined parts | To drawing |
Custom Machining Capability
- Cutting to drawing dimensions · CNC / MCT machining
- Wire EDM · laser machining · welded assemblies
- Forming (bending · deep drawing) and surface treatment
- The same tolerances from a single prototype to full production
Related Products · Applications
ITER parts
Fusion reactor structural parts and superconducting coil material
Plate
Corrosion-resistant parts for chemical plant
Sputtering targets
Targets for optical and electronic thin-film deposition
Custom machined parts
Precision parts machined to drawing
