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High-Purity Niobium Rods/Wires from China Factory - Leading Suppliers for Industrial & Laboratory Solutions

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We offer high-purity niobium rods and wires of R04200 grade, sourced from a leading China supplier and manufacturer. Our niobium products are made from commercially pure niobium (Nb content ≥ 99.95%), adhering to ASTM R04200 and high-purity Nb1 grade standards. These rods and wires undergo a comprehensive production process that includes vacuum melting, forging, hot rolling, drawing, and annealing. Products with a diameter of ≥ 1.0mm are classified as rods, while those with a diameter of ≤ 1.0mm are designated as wires.

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Our niobium rods and wires are designed for various applications, such as high-temperature electrodes, precision aerospace components, chemical corrosion-resistant connectors, laboratory probes, conductors for superconducting materials, and medical device wires. As a crucial type of high-purity niobium material, they demonstrate exceptional high-temperature stability, maintaining long-term operation below 1200℃ and withstanding short durations at temperatures up to 1600℃. They also exhibit excellent corrosion resistance, tolerating most acids, alkalis, molten salts, and high-temperature gases (excluding hydrofluoric acid), while ensuring ultra-pure, impurity-free properties, remarkable ductility, and superior electrical conductivity.

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These attributes make our niobium rods and wires essential for industries requiring high material purity, structural strength, electrical conductivity, and environmental resistance. They are particularly suited for high-precision, fine-specification, and extreme-condition functional applications. Choose us as your trusted China supplier for high-quality niobium products manufactured in our advanced factory.

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    Product specification

    Product Name
    Pure Niobium Rods, Pure Niobium Wires
    Brand Name
    Yunjie
    Model
    R04200 (ASTM Standard)
    Material
    High-Purity Niobium (Commercially pure niobium, complying with ASTM R04200 grade)
    Minimum Niobium Content
    Meets high-purity standards (Nb content ≥ 99.95%)
    Density
    8.57g/cm³
    Processes
    Forging, Hot Rolling, Cold Rolling/Drawing, Annealing, Surface Treatment, Cutting
    Advantages
    Excellent high-temperature stability, superior corrosion resistance, good electrical and thermal conductivity, ultra-pure material, excellent ductility, high dimensional accuracy, fine surface finish
    Surface Conditions
    Pickled Surface, Bright Annealed Surface, Cold Rolled/Drawn Surface, Polished Surface
    Delivery Conditions
    Soft State (M), Hard State (Y)
    Processing Services
    Customized dimensions (diameter, length), cutting, bending, welding, wire drawing refinement, thread processing
    Minimum Order Quantity
    1kg (Calculated based on actual orders; preferential terms available for bulk purchases)

    Frequently Asked Questions

    Q: What is the purity level of Yunjie Niobium Rods and Wires?
    Our Niobium Rods and Wires are manufactured to meet high-purity standards, ensuring a minimum Niobium (Nb) content of ≥ 99.95%. They fully comply with the ASTM R04200 grade standard.
    Q: What processing services do you offer for custom orders?
    Yunjie provides comprehensive customization services. We can adjust dimensions (both diameter and length), and perform cutting, bending, welding, wire drawing refinement, and thread processing to meet your specific engineering requirements.
    Q: What are the key advantages of using Pure Niobium R04200?
    Pure Niobium R04200 offers exceptional high-temperature stability, superior corrosion resistance, excellent electrical and thermal conductivity, outstanding ductility, high dimensional accuracy, and a very fine surface finish.
    Q: What surface and delivery states are available?
    We offer several surface conditions including Pickled Surface, Bright Annealed Surface, Cold Rolled/Drawn Surface, and Polished Surface. For delivery conditions, you can choose between Soft State (M) and Hard State (Y).
    Q: What is the Minimum Order Quantity (MOQ) for Niobium Rods and Wires?
    Our Minimum Order Quantity (MOQ) starts at just 1kg. Pricing is calculated based on the actual order volume, and we provide preferential terms and discounts for bulk purchases.

    Classification

    Precision Refractory Metal Stamped Parts (Metal Discs & Metal Cups) (1)
    • Classification by Product Form
    • Classification by Material Performance
    • Classification by Machining Precision

    Specification Selection Guide & Chemical Composition Standards

    Product Type

    Specifications

    Core Features

    Application Scenarios

    Ultra-Thin Metal Discs

    Thickness starting from 0.03mm, diameter 2–50mm

    Ultra-thin & flexible, ultra-high precision, burr-free, excellent conductivity

    Semiconductor chip accessories, micro electronic contacts, precision sensors, miniature medical devices

    Conventional Metal Discs

    Thickness 0.1–2mm, diameter 50–100mm

    High structural strength, good flatness, superior batch consistency

    High-end tooling fixtures, equipment sealing gaskets, conductive connectors, aerospace precision components

    Standard Metal Cups

    Thickness 0.076–0.254mm, flat/spherical/conical shape

    High pressure & deformation resistance, high fitting accuracy, wear resistance & durability

    Supporting for diamond wire drawing molds, PCD/PCBN super-hard cutting tools

    Custom Special-Shaped Metal Cups

    Non-standard thickness & special-shaped full-size customization

    Custom-fit design, high fitting precision, stable performance under extreme conditions

    Deep oil & gas well drilling, special super-hard material processing, new material R&D

    Material

    Substrate Purity

    Total Impurity Content

    Core Standard

    Molybdenum / Tantalum

    ≥99.95%

    ≤0.05%

    High temperature resistance, low impurity, high vacuum compatibility

    Zirconium / Niobium

    ≥99.9%

    ≤0.1%

    Superior corrosion resistance, high pressure resistance, erosion resistance

    Titanium / Nickel

    ≥99.5%

    ≤0.5%

    Lightweight, biocompatible, stable conductivity

    Core Product Characteristics

    01
    Ultra-High Purity & Zero Contamination
    All refractory metal substrates reach purity ≥99.9% with extremely low impurity content. No contamination occurs during processing, ensuring no impact on the accuracy and performance of high-end products, fully adapting to high-purity precision manufacturing processes.
    advantage-2
    02
    Extreme & Controllable Dimensional Accuracy
    Adopting precision stamping technology, the core dimensional tolerance is strictly controlled within ±0.001mm. Products feature high flatness, no deformation and no burrs with excellent assembly fitting performance, meeting the precision assembly requirements of micro-precision components.
    advantage-2
    03
    Wide Adaptability for High-Temperature & High-Pressure Extreme Conditions
    Refractory metal substrates possess excellent high-temperature resistance, withstanding temperatures up to 2600℃. Combined with outstanding high-pressure and anti-deformation capabilities, they operate stably in extreme scenarios such as deep well drilling, ultra-high temperature sintering and high-strength processing.
    advantage-2
    04
    Superior Corrosion & Wear Resistance with Long Service Life
    Maintaining stable performance under acid-base corrosion, high-temperature oxidation and high-speed scouring environments, the products feature anti-aging and wear-resistant properties, effectively reducing accessory replacement frequency and lowering production costs.
    advantage-2
    05
    Stable Electrical & Thermal Conductivity
    Metal substrates deliver excellent and uniform heat and electrical conduction without local overheating or unstable resistance, perfectly suitable for semiconductor and power conduction precision components.
    advantage-2
    06
    Flexible Customization & Strong Adaptability
    Supporting full-dimensional customization of thickness, size and shape. Standard specifications are sufficiently in stock, and special-shaped products support rapid die opening to accurately match non-standard equipment and special process requirements.
    advantage-2
    07
    Excellent Batch Consistency
    Equipped with automated precision production lines and standardized molds, products maintain highly unified size and performance, ideal for large-scale industrial supporting production.
    advantage-2

    Production Process

    1. Refractory metal raw material inspection → precision plate leveling → CNC cutting & blanking → integral precision stamping via standardized molds → high-precision dimension calibration → edge deburring & polishing → surface precision cleaning → triple inspection (material purity, dimensional tolerance, appearance defect) → sorting & classification → finished product packaging → delivery with complete test reports
    Precision Refractory Metal Stamped Parts (Metal Discs & Metal Cups) (1)

    Application Fields

    01
    Petroleum & Gas Drilling Industry
    Custom high-purity metal cups matched for polycrystalline diamond compacts feature high pressure resistance, corrosion resistance and erosion resistance. They adapt to extreme deep and ultra-deep well drilling conditions, improving the stability and service life of drilling equipment.
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    02
    Super-Hard Tool & Mold Industry
    Supporting stamping parts for PCD inserts, PCBN inserts, diamond cutters, CBN tools and diamond wire drawing molds enhance tool clamping stability, machining accuracy and wear resistance.
    6511419c2763338526
    03
    Electronics & Semiconductor Industry
    Precision metal discs are applied in chip packaging, electronic contacts, semiconductor equipment tooling and sensor induction components. High purity and conductivity ensure long-term stable operation of electronic devices.
    6511419c2763338526
    04
    Aerospace Industry
    Suitable for aerospace precision instrument components, special sensor parts and aerospace tooling accessories. Lightweight, high-strength and high-temperature resistant properties meet extreme environmental requirements of aerospace equipment.
    6511419c2763338526
    05
    Medical Device Industry
    Titanium and high-purity nickel stamped parts are used for minimally invasive device accessories and medical testing equipment components. Featuring good biocompatibility, high precision, non-magnetic and pollution-free performance, they fully comply with medical safety standards.
    6511419c2763338526
    06
    High-End Precision Manufacturing Industry
    Applicable for precision mold accessories, special tooling fixtures, new energy equipment conductive parts and new material R&D consumables, providing core precision support for high-end precision equipment and special industrial processes.
    6511419c2763338526
    Precision Refractory Metal Stamped Parts (Metal Discs & Metal Cups) (3)

    Enterprise Advantages & Services

    1. Baoji Yunjie Metal has specialized in refractory metal precision manufacturing for over 30 years, owning mature precision stamping core technologies and multiple technical patents with ISO9001 quality system certification. We feature full material coverage, ultra-high precision, rapid die opening, stable delivery and superior quality. Standard products are in stock for immediate shipment, customized orders support quick response, small-batch trial production and large-scale stable mass production. All products undergo strict triple quality inspection on material purity, dimensional accuracy and appearance performance, maintaining a leading customer repurchase rate in the industry.
    2. Free Services: Material selection consultation, size specification optimization, special-shaped structure design, sample testing, exclusive batch customization solutions.

    Send Inquiry

    As a professional expert providing solutions for pure tantalum (R05200, complying with ASTM B708 American Standard) and various metal accessories and custom machined parts, Baoji Yunjie focuses on precision machining-to-drawing capability, fully meeting customers' machining needs from standard parts to complex custom parts! For a full range of metal materials and products such as titanium, tantalum, niobium and zirconium, welcome to provide drawings for consultation and customization. We will accurately reproduce designs and deliver products efficiently.