Niobium Bar (Square & Round) - All Sizes

Top-Quality Niobium Bars - Elevate Your Projects

Looking for top-quality niobium bars for your industrial needs? AEM METAL is your premier supplier for premium niobium bars renowned for their exceptional quality and reliability. Whether you need standard sizes or specialized dimensions, we have the capability to deliver exactly what you need.

Our niobium bars are available in a wide range of diameters, from standard sizes to customized dimensions, and can be tailored to meet your specific requirements for thickness, length, and surface finish.

We are committed to precision engineering and superior quality control. Every niobium bar we produce undergoes rigorous testing and inspection to ensure that it meets our stringent quality standards. Reach out to AEM METAL today to discover a tailored solution for your niobium bar requirements.

Our Niobium Bar Specifications

Our niobium round bars are available in diameters ranging from 0.125 inches to 5.00 inches, either as random length pieces or cut to your desired lengths. For standard sizes, please refer to our Niobium Rod page.

Grade: R04200, R04210, R04251, R04261
Standard: ASTM B392-98
Purity: Ta >99.95% or >99.99%

Additionally, we offer a variety of standard sizes for niobium rectangular bars.

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.

Width	Thickness	Length	Length Tolerance
15mm	15mm	600mm	+1mm, -0
20mm	20mm	1000mm	+1mm, -0
45mm	45mm	1200mm	+2mm, -0
60mm	60mm	1500mm	+3mm, -0

Custom-Made Niobium Bars for Your Specific Needs

Tailoring to Unique Requirements

Every industry has unique needs. We provide custom solutions of niobium bar to meet specific demands. This includes varying sizes, shapes, and compositions. Our team works closely with clients. We understand their specific applications and requirements. This ensures the final product meets their precise needs.

Meeting Industry-Specific Standards

Different industries have specific standards. Our custom-made niobium bars meet these standards. We serve industries like aerospace, medical, and electronics. We ensure our products comply with industry regulations. This includes standards for purity, strength, and durability.

Our Niobium Bars Advantages

At AEM METAL, we deeply understand the critical role that niobium bars play in a myriad of industrial applications. That's why we have dedicated ourselves to not only meeting but surpassing industry standards. Here's how our niobium bars stand out:

Exceptional Purity Levels:

Our niobium bars boast an impressive 99.95% purity level, ensuring top-quality results for your critical applications.

Customized Solutions:

Understanding our clients' varied demands, we focus on creating niobium bars that are specifically suited to your unique applications.

Precision in Production:

Crafted to meet the strictest tolerances, our niobium bars guarantee precise performance. Our manufacturing process involves cutting-edge technology and stringent quality control measures to ensure that each bar meets the highest standards of accuracy and reliability.

Ready-to-Ship Inventory:

With a wide range of standard products readily available, we ensure quick delivery times to keep your projects on schedule.a

Expert Support:

Benefit from our team of specialists who are ready to provide you with professional advice and assistance. Our experts have in-depth knowledge of niobium and its applications, enabling them to guide you in choosing the right solutions for your business.

At AEM METAL, we are committed to delivering niobium bars of the highest quality and reliability. Contact us today to learn more about our products and how they can benefit your business.

Diverse Applications of Niobium Bars

Medical Devices

Niobium is biocompatible and corrosion-resistant, making it suitable for use in medical implants and devices. It is used in applications such as dental implants, surgical instruments, and prosthetic devices where biocompatibility and durability are essential.

Aerospace Components

Niobium is used in aerospace and defense applications due to its high melting point and strength. It is used in components such as aircraft engines, missile systems, and spacecraft parts.

Alloys

Niobium is often used as an alloying element in steel and other metals to improve their strength and corrosion resistance. Such as Niobium-titanium alloys, are used in the aerospace industry for their high strength-to-weight ratio.

Chemical Processing

Niobium is highly resistant to corrosion by acids and alkalis, making it ideal for use in chemical processing equipment such as heat exchangers, reaction vessels, and pipes.

Contact for Customization

Manufacturing Processes for Niobium Bar (Powder Metallurgy)

Manufacturing Processes for Tantalum Rod (Powder Metallurgy)

Advanced Powder Production

AEM Metal uses advanced chemical reduction to create ultra-pure, uniform metal powders. This process is key for high-quality metal products.

Mixing Alloys

Our alloy mixing process is characterized by meticulous precision. This creates alloys with unmatched performance and reliability.

Precision Pressing and Shaping

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

Cutting-Edge Sintering Process

Our sintering process employs advanced technology. It bonds powder grains effectively, creating dense and robust sinter blocks. This step is crucial for the durability of our products.

Forming for Enhanced Durability

We use unique forming methods to increase material density and strength. Our process ensures our niobium bars can withstand rigorous applications.

Specialized Heat Treatment

Our heat treatment process is tailored to each product. It fine-tunes the mechanical properties of the metal, ensuring ease of subsequent processing and optimal performance.

Precision Mechanical Processing

AEM Metal offers specialized mechanical processing. Our services include turning, milling, grinding, cutting, joining, and coating. We focus on precision and quality in every step.

Final Product Inspection

Inspect the final niobium bar, including dimensional measurements, surface inspection, chemical composition analysis, etc. This ensures that the final product meets specifications.

Your Comprehensive Guide to Purchasing Niobium Bars

What is Niobium Bar? A Brief Overview

Niobium bars are solid cylindrical rods made from niobium, a lustrous, gray, ductile metal. Niobium is renowned for its exceptional properties, making niobium bars highly sought after in various industries.

Unique Properties of Niobium Bar

Niobium bars exhibit a range of unique properties that make them highly desirable in various industries. Here are some of the key characteristics that set niobium bars apart:

High Melting Point:

Niobium boasts an impressive melting point of 2,468 degrees Celsius (4,474 degrees Fahrenheit), making it highly resistant to high temperatures. This property makes niobium bars ideal for use in applications involving extreme heat, such as in aerospace and high-temperature furnaces.

Corrosion Resistance:

Niobium is highly resistant to corrosion by acids and alkalis, as well as to atmospheric corrosion. This makes niobium bars suitable for use in chemical processing equipment, where resistance to corrosion is critical.

Superb Weldability:

Niobium exhibits excellent weldability, allowing for easy joining with other metals. This property makes niobium bars versatile in manufacturing processes, as they can be easily integrated into complex structures.

Biocompatibility:

Niobium is biocompatible, meaning it is well-tolerated by the human body and does not cause adverse reactions. This property makes niobium bars ideal for use in medical implants and devices, where biocompatibility is essential.

Superconductivity:

Niobium exhibits superconducting properties at very low temperatures, making it a valuable material for use in superconducting magnets and other superconducting applications.

Grades of Niobium Bar

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	Commercially pure niobium, with a minimum of 99.9% niobium.	Superconductors, electronic components, and jewelry.
R04210	Niobium alloyed with 1% zirconium, offering improved strength and creep resistance at high temperatures.	Aerospace components, such as rocket nozzles and aircraft engine parts.
R04251	Niobium alloyed with10% titanium, improves its oxidation resistance and high-temperature strength.	Chemical processing equipment, such as heat exchangers and reaction vessels.
R04261	Niobium alloyed with 1% zirconium and 10% titanium, offering high strength, oxidation resistance, and durability under extreme conditions.	Aerospace components, nuclear reactors, and chemical processing equipment.

Quality Control: Niobium Bar Testing

Ensuring the quality of niobium bars is paramount to guaranteeing their performance in various applications. Here's an in-depth look at the rigorous testing procedures employed:

Visual Inspection:

Surface Examination: A meticulous visual assessment is conducted to detect any surface imperfections such as scratches, dents, or irregularities. Dimensional Precision: Niobium bar dimensions, including diameter, length, and thickness, undergo scrutiny to ensure compliance with specified tolerances.

Mechanical Testing:

Tensile Strength Assessment: The strength of niobium bars is evaluated through a tensile test, determining parameters like tensile strength, yield strength, and elongation. Hardness Evaluation: Various hardness tests, such as Rockwell or Vickers, are performed to ascertain the material's resistance to indentation and wear.

Chemical Analysis:

Composition Verification: Accurate chemical composition verification is essential and achieved through techniques like X-ray fluorescence (XRF) or optical emission spectrometry (OES).

Non-Destructive Testing (NDT):

Ultrasonic Examination: Niobium bars undergo ultrasonic testing to detect internal flaws or inconsistencies. Radiographic Inspection: X-rays or gamma rays are utilized to inspect the internal structure, identifying any hidden defects.

Corrosion Resistance Assessment:

Immersion Testing: Niobium bars are subjected to aggressive chemical solutions to assess their resistance to corrosion over time. Intergranular Corrosion Test: A specific evaluation to detect susceptibility to intergranular corrosion in niobium bars.

Certification and Documentation:

Upon successfully passing all tests, each batch of niobium bars is certified, accompanied by a detailed report outlining the conducted tests and their results, ensuring transparency and quality assurance.

Mechanical Property Testing

Non-Destructive Testing (NDT)

FAQs About Niobium Bars

How do niobium bars compare to other metals like titanium or stainless steel?

Niobium bars offer unique advantages compared to other metals such as titanium or stainless steel. While titanium boasts excellent strength-to-weight ratio and corrosion resistance, niobium exhibits superior formability, weldability, and biocompatibility, making it ideal for certain medical and electronic applications. Stainless steel, on the other hand, offers good corrosion resistance and affordability but may lack the specialized properties of niobium required for specific high-tech applications.
What are the available surface finishes for niobium bars?

Niobium bars can be supplied with various surface finishes to meet specific aesthetic or functional requirements. Common options include polished, machined, or as-rolled finishes. Additionally, specialized surface treatments such as passivation or anodizing may be available upon request to enhance corrosion resistance or improve surface properties.
Are Niobium bars suitable for applications requiring biocompatibility?

Yes, niobium bars are biocompatible materials that are well-tolerated by the human body and suitable for use in medical implants and devices. Their excellent biocompatibility, coupled with high strength and corrosion resistance, makes them ideal for applications such as orthopedic implants, dental prosthetics, and surgical instruments.
Can niobium bars be used in environments with aggressive chemical exposure?

Yes, niobium bars are highly resistant to corrosion from a wide range of aggressive chemicals, including acids, alkalis, and salt solutions. Their inherent corrosion resistance stems from the formation of a stable oxide layer on the surface, which provides a protective barrier against chemical attack.
How can I get technical support or assistance with my niobium bar application?

Our team of technical experts is available to provide comprehensive support and assistance with your niobium bar application needs. Whether you require material selection guidance, engineering consultation, or troubleshooting assistance, we're here to help.
What is the lead time for an order?

The lead time for niobium bar production and delivery depends on various factors, including order volume, customization requirements, and current manufacturing schedules. Typically, standard orders are processed and shipped within 3 weeks, while custom orders may require additional time for fabrication and quality assurance.

Request a Niobium Quote for Your Projects Now

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Niobium Bar