Niobium Wire

Key Advantages

Precision customization: Straight 1.0–5.0 mm and coiled 0.05–5.0 mm (typ. tol. ±0.05 mm); grades R04200 / R04210; small-batch sampling available.
High-temp & corrosion resistance: Performs in aggressive chemical, thermal and vacuum environments.
Superconducting & electronic performance: Stable conductivity and low-impurity niobium for precision coils, leads and high-tech assemblies.
Process control & QA: Cold processing with tensile, bend, metallography and hardness testing for consistent mechanical properties.

Primary Applications

Chemistry & electronics: Reactor components, leads and conductors in corrosive or high-purity systems.
Aerospace & aviation: High-temp elements and precision wire parts under thermal and mechanical stress.
Superconductors: Fine wires and coils for magnets and cryogenic systems.

Testing (Typical)

Room-temperature tensile testing
Bend testing
Metallographic examination
Micro-hardness and hardness testing

Send your specifications (grade, size, quantity) — quotation and lead time within 12 hours. Trial orders with flexible MOQ are supported for evaluation and qualification. All materials are supplied with EN 10204 3.1 MTC and full inspection documentation for export compliance.

Product Description

LuminaTitanium provides high-performance niobium wire manufactured to ASTM B392. With customizable diameters, tempers and surfaces, combined with excellent high-temperature behavior, corrosion resistance and formability, our niobium wire is suitable for chemical, electronic, aerospace and superconducting applications.

Technical Specifications

Parameter	Details	Why It Works for You
Grades	R04200, R04210	Stable properties for chemical, electronic and superconducting use
Standard	ASTM B392	Recognized specification for niobium wire and rod
Straight wire dia.	1.0–5.0 mm, tol. ±0.05 mm	For structural, electrical and precision parts
Coiled wire dia.	0.05–5.0 mm, tol. ±0.05 mm	Ideal for fine coils, electronics & superconductors
Length	Coils or custom cut	Fits production lines; reduces scrap
Surface	Black, pickled, polished (>1 mm)	Matches conductivity, cleanliness & bonding needs
Packing	Seaworthy or custom	Protects surface and geometry in transit

Chemical Composition (Max. Impurities, Weight %)

Grade	Chief (Nb)	Fe	Si	Ni	W	Mo	Ti	Ta	O	C	H	N
Nb1	Remainder	0.004	0.003	0.002	0.004	0.004	0.002	0.07	0.010	0.004	0.0012	0.002
Nb2	Remainder	0.005	0.005	0.005	0.010	0.010	0.004	0.10	0.015	0.010	0.0015	0.010

Ordering Checklist

Standard & grade: ASTM B392; specify R04200 / R04210, Nb1 / Nb2 if applicable
Diameter & tolerance: 0.05–5.0 mm; required tolerances; straight vs. coil
Condition & surface: annealed / cold-worked; black / pickled / polished (>1 mm)
Testing & QA: tensile, bend, hardness, metallography; third-party inspection if required
Documentation: MTC EN 10204 3.1; inspection reports; RoHS/REACH on request
Quantity & packaging: coil lengths, spool specs, export packing
End use: chemical, electronics, superconducting, aerospace, etc.