Precision customization: Thickness 0.03–0.5 mm, width 10–500 mm, multiple tempers and surface finishes; small-batch sampling available.
High-temperature & corrosion performance: Suitable for chemical, electronic and superconducting applications requiring stability at elevated temperatures.
Process control: Cold-rolled and vacuum-annealed to ensure uniform grain structure, mechanical stability and clean surfaces.
High purity & low toxicity: Stable, low-impurity niobium grades support critical chemical, nuclear, electronics and medical environments.
Superconductor industry: Targets and foils for superconducting wires and devices.
Chemical processing: Anti-corrosion liners and reactor components in aggressive inorganic media.
Electronics & medical: Capacitors, optical and sputtering targets, medical treatment devices.
Visual inspection (surface quality)
Mechanical testing (tensile, ductility)
Chemical composition analysis (impurity control)
Packaging: Protective films and wooden/plywood cases, or custom solutions, to prevent scratching and contamination.
Shipping: Global courier or sea freight; lead times aligned with project schedules.
LuminaTitanium supplies high-quality niobium foil/strip manufactured to ASTM B393. With thickness from 0.03 to 0.5 mm, multiple surface finishes and vacuum-annealed tempers, our niobium foil offers excellent high-temperature performance, corrosion resistance, formability and electrical properties for superconducting, chemical and high-tech electronic applications.
| Parameter | Details | Why It Works for You |
|---|---|---|
| Materials | R04200, R04210, R04251, R04261 | Covers unalloyed and Zr-alloyed niobium for critical service |
| Standard | ASTM B393 | Recognized global standard for niobium strip/foil |
| Thickness | 0.03–0.5 mm | Supports precision, thin-gauge applications |
| Width | 10–500 mm | Matches common coil/strip layouts; reduces rework |
| Technology | Cold-rolled, vacuum annealed | Delivers stable properties and clean surfaces |
| Condition | Vacuum annealed | Enhances high-temp performance and stability |
| Surface | Mill, brushed, polished, bright, sand-blasted, etc. | Aligns with bonding, brazing or visual requirements |
| Form | Foil in coil or cut-to-length | Fits continuous lines and downstream processing |
| Element | R04200 (Unalloyed) | R04210 (Unalloyed) | R04251 (1% Zr) | R04261 (1% Zr) |
|---|---|---|---|---|
| C | 0.010 | 0.010 | 0.010 | 0.010 |
| O | 0.015 | 0.025 | 0.015 | 0.025 |
| N | 0.010 | 0.010 | 0.010 | 0.010 |
| H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
| Fe | 0.005 | 0.010 | 0.005 | 0.010 |
| Mo | 0.010 | 0.020 | 0.010 | 0.050 |
| Ta | 0.100 | 0.300 | 0.10 | 0.50 |
| Ni | 0.005 | 0.005 | 0.005 | 0.005 |
| Si | 0.005 | 0.005 | 0.005 | 0.005 |
| Ti | 0.020 | 0.030 | 0.020 | 0.030 |
| W | 0.030 | 0.050 | 0.030 | 0.050 |
| Zr | 0.020 | 0.020 | 0.8–1.2 | 0.8–1.2 |
| Nb | Remainder | Remainder | Remainder | Remainder |
Standard & grade: ASTM B393; R04200 / R04210 / R04251 / R04261
Dimensions: thickness × width × coil or cut length; flatness and tolerance requirements
Condition & surface: vacuum-annealed; mill/bright/polished/other specified finishes
Testing & QA: chemical and mechanical reports; additional inspections on request
Documentation: MTC EN 10204 3.1; inspection reports; RoHS/REACH if applicable
Quantity & packaging: coil weight/length; packing type for export
End use: superconducting, chemical, capacitor, or medical applications (for grade/finish recommendations)
