Niobium Wire

High-Quality Niobium Wire: The Ideal Choice for Professionals

When selecting niobium wire, quality and reliability are essential. We understand this need and are committed to delivering excellence in every aspect of our niobium wire production.

We start with the finest grade niobium, ensuring top-notch performance and durability. Every step of the manufacturing process, from initial processing to the final product, undergoes strict quality checks.

This meticulous approach guarantees our niobium wire meets the highest industry standards, making it the preferred choice for professionals. Experience the difference in quality and reliability. Contact us today to learn more or place your order.

Our Niobium Wire Specification

Whether you need niobium wire in specific diameters, lengths, or purity levels, we can accommodate. Our production flexibility allows us to offer a range of customization options.

Grade: R04200-1, R04210-2
Standard: ASTM B392-98
Purity: Ta >99.9% or >99.95%
Standard size: Diameter 0.25~3 mm

Elevate your projects with our Premium niobium wire: precision sizes from 0.1 mm to 4 mm for superior performance

Diameter, Inch (mm)	Tolerance, +/-Inch (mm)
0.010~0.020 (0.254~0.508)	0.0005 (0.013)
0.020~0.030 (0.508~0.762)	0.00075 (0.019)
0.030~0.060 (0.762~1.524)	0.001 (0.025)
0.060~0.090 (1.524~2.286)	0.0015 ( 0.038)
0.090~0.125 (2.286~3.175)	0.002 (0.051)

Here, you can find a list of our standard niobium wire sizes.

Can't find the size you're looking for? No problem! Just get in touch with us, and we'll help you customize the right size for your project.

Why Choose Our Niobium Wires?

Choosing the right supplier for niobium wire is about more than just the product; it's about finding a partner who offers unparalleled expertise, exceptional quality, and tailored solutions. Here's why our niobium wire stands out as the best choice.

Industry-Leading Expertise and Support

With extensive experience in the niobium industry, we have deep knowledge of niobium and its applications. Our expertise ensures you receive the right wire for your specific needs, backed by comprehensive support.

Superior Niobium Wire Quality

Advanced Heat and Surface Treatment:
Our optimized treatment processes and raw material control have significantly decreased surface defects, ensuring a defect rate of just 0.2%.

Enhanced Rolling and Drawing Processes:
Through meticulous surface quality control and machine adjustments, we've achieved a stable burr rate of 0.2% and minimized wire corrugation to 0.04%.

Precision Guide Wheel Improvements:
Our innovations in guide wheel technology have reduced bending-related defects to 0.2%.

Strictest Tolerance：
Our production process adheres to the strictest tolerances, guaranteeing that each wire delivers consistent and exacting performance.

Exceptional Purity Levels:

Our niobium wires boast exceptional purity levels of up to 99.95%, ensuring superior quality and performance for all applications.

Customized Solutions for Diverse Needs

Recognizing the diverse needs of our clients, we specialize in application-specific solutions, tailoring our niobium wires to your unique requirements.

Certifications and Quality Standards

Each wire is crafted to align with rigorous international standards, boasting both ISO certification and adherence to ASTM guidelines.

Applications in Industry and Technology

Superconducting Applications

Niobium wire is crucial in creating superconducting materials like niobium-titanium (NbTi) and niobium-tin (Nb3Sn). These materials have zero electrical resistance at very low temperatures, making them vital in MRI machines, particle accelerators, and maglev trains. Niobium's superconducting properties are essential for technologies requiring high magnetic fields and ultra-low temperatures.

Tantalum Capacitor Wire

Niobium wire is essential in producing tantalum capacitors, known for their high capacitance per volume, ideal for compact electronic devices. Niobium's properties ensure the capacitor's reliability and efficiency, with its high melting point and excellent conductivity contributing to stability and performance, making it crucial in modern electronics.

Arc Welding

Niobium wire is used in the manufacturing of arc welding wires for certain stabilized grades of stainless steel. It enhances the weld quality and improves the stability and durability of the welded joints.

Jewelry

Niobium is ideal for those with metal sensitivities due to its hypoallergenic, tarnish-resistant, and low toxicity properties. It's commonly used to craft jewelry components like jump rings, pendant bails, ear wires, and loops. Additionally, niobium wire can be anodized in various colors, enhancing the aesthetic appeal of jewelry pieces.

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Manufacturing Processes for Niobium Wire

At AEM Metal, we utilize cutting-edge techniques to produce high-quality niobium wires. Our process ensures precision and excellence at every step, guaranteeing unmatched performance and reliability in our final products.

Advanced Powder Production

We employ advanced chemical reduction methods to create ultra-pure and uniform niobium powders. This meticulous process is essential for producing high-quality metal products.

Mixing Alloys

Our alloy mixing process is characterized by meticulous precision, resulting in alloys with superior performance and reliability.

Precision Pressing and Shaping

Using state-of-the-art pressing techniques, we mold our niobium powders into desired shapes, excelling in producing complex geometries with high precision.

Sintering Process

Our sintering process utilizes advanced technology to effectively bond powder grains, creating dense and robust sintered blocks. This step is crucial for ensuring the durability of our products.

Swaging:

Niobium is shaped by rotating and hammering in the swaging process, initially forming the metal into a more workable shape, preparing it for further refinement.

Intermediate Annealing:

Annealing is a heating process that makes the niobium more bendable and less hard, facilitating easier shaping into wire and removing any inner flaws or stress.

Drawing:

After annealing, the niobium is drawn through different-sized molds to make it thinner. This process is repeated several times with smaller molds each time to achieve the desired wire thickness.

Final Annealing:

The niobium wire undergoes one last heating process to relax the wire, making it stronger and more flexible, ensuring high-quality wire products.

Final Product Inspection

We conduct a thorough inspection of the final niobium wire, including dimensional measurements, surface inspection, and chemical composition analysis, to ensure it meets our stringent specifications.

Niobium Wire: A Comprehensive Guide For Buyer

What is Niobium Wire? A Brief Overview

Niobium wire is a high-quality metal with exceptional properties and versatile applications across industries. Its strength, durability, and other beneficial characteristics make it highly sought after in electronics, medical technology, and aerospace.

Unique Properties of Niobium Wire vs Other Metal Wire

Here's a look at why niobium wire is a superior choice for various applications compared to other metal wires:

Ductility and Malleability

Niobium wire is highly ductile and malleable, allowing it to be easily formed into various shapes without compromising its strength.

High Melting Point:

With a melting point of 2,468 degrees Celsius, niobium wire can withstand extreme temperatures, making it suitable for high-temperature applications.

Corrosion Resistance

Niobium wire is highly resistant to corrosion, making it ideal for use in environments where other metals may degrade over time.

Superconductivity:

Niobium wire exhibits superconducting properties at low temperatures, making it valuable in applications requiring zero electrical resistance.

Low Thermal Expansion:

Niobium wire has a low coefficient of thermal expansion, meaning it expands and contracts minimally with temperature changes, maintaining its shape and integrity.

Biocompatibility:

Niobium is biocompatible, making it suitable for use in medical implants and devices where compatibility with the human body is essential.

Grades of Niobium Wire

Niobium bars are available in several grades, each tailored to specific applications due to their unique properties. Here's a breakdown of the common grades and their primary uses:

Grade	Description	Primary Applications
R04200	Pure niobium wire with a minimum purity of 99.9%.	Used in superconductors, high-temperature furnace elements, and medical devices due to its high melting point and excellent corrosion resistance.
R04210	Commercially pure niobium wire with a minimum purity of 99.8%.	Commonly used in the electronics industry for its good electrical conductivity and in the aerospace industry for its high strength and low thermal expansion.

Quality Control: Niobium Wire Testing

Quality control is critical in ensuring the reliability and performance of niobium wire for its intended applications.

Tensile Strength Test:

This test determines the maximum force niobium wire can withstand before breaking, ensuring it meets strength requirements for its application.

Bend Test:

Niobium wire is repeatedly bent to assess its flexibility and resistance to breakage, providing insights into its durability and mechanical properties.

Diameter Check:

Ensures niobium wire meets precise diameter specifications, crucial for applications where size consistency is essential for performance.

Chemical Test:

Tests verify the purity of niobium wire, ensuring it is free from impurities that could compromise its corrosion resistance and electrical conductivity.

Surface Check:

Niobium wire is carefully inspected for surface irregularities or defects, ensuring a smooth finish for applications that demand it.

Mechanical Property Testing

Non-Destructive Testing (NDT)

FAQs About Niobium Wires

What are the typical diameters of niobium wire available?

Niobium wire is available in a range of diameters, typically from as thin as 0.01 inches (0.25 mm) up to 0.1 inches (2.54 mm), catering to various application needs.
Can niobium wire be used in magnetic applications?

Niobium is not inherently magnetic, so niobium wire is not suitable for magnetic applications. However, it is commonly used in superconducting magnets due to its superconducting properties.
Can niobium wire be used in high-vibration environments?

Yes, niobium wire is known for its high fatigue resistance, making it suitable for use in applications with high vibration levels.
What are the storage recommendations for niobium wire?

Niobium wire should be stored in a dry, clean environment to prevent oxidation. It is recommended to keep it in its original packaging or in a sealed container to maintain its quality.
Is niobium wire compatible with soldering and welding processes?

Yes, niobium wire can be soldered and welded using standard techniques suitable for refractory metals, although care must be taken to prevent contamination.
How is niobium wire typically packaged and shipped?

Niobium wire is usually packaged in spools or coils, depending on the diameter and length required. It is shipped in secure packaging to prevent damage during transit.
What is the lead time for Niobium Wire orders?

It usually takes 3-4 weeks. Lead times can vary based on the order size and customization requirements. We work closely with our clients to provide accurate delivery timelines.
Do you offer support for designing custom solutions using Niobium Wire?

Absolutely, we provide technical support and consultancy for designing custom solutions with niobium wire. Our team can assist in selecting the right specifications and configurations for your specific applications.

Request an Niobium Quote for Your Projects Now

Solution about niobium? Our experts are here to help. Contact us for advice on choosing and using niobium.

Get a quote now or let us know what you're looking for and we will get back to you soon!