TA7581 Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch

Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch Description

Our Tantalum Niobium Wire (Ta-40Nb), Grade UNS R05240, is manufactured to a diameter of 0.004 inch in strict accordance with ASTM B708 standards. This high-performance alloy combines the corrosion resistance and workability of tantalum with the stability and strength of niobium, making it exceptionally versatile across demanding industries. Its mechanical integrity and high melting point ensure reliable operation in sensitive applications, such as in medical implants, aerospace components, and advanced electronic devices.

Because this Ta-Nb wire is produced under rigorous quality controls, it exhibits minimal impurities and consistent composition. Each spool undergoes thorough testing to meet dimensional tolerances, tensile strength, and purity requirements. The result is a wire that delivers excellent chemical inertness, thermal stability, and durability—ideal for environments where precision and reliability are essential.

Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch Applications

Tantalum Niobium (Ta-40Nb) wire, designated as UNS R05240, is recognised for its exceptional corrosion resistance, high melting point, and robust mechanical properties. With a diameter of just 0.004 inch, this specialised wire finds significant use in demanding industries that require materials to endure extreme conditions. Its unique stability and performance make Ta-Nb wire an indispensable component in electronics, chemical processing, and aerospace applications.

1. Electronics Applications

·         Capacitor Electrodes: The wire’s high conductivity and stability improve energy storage and performance.

·         Microcircuit Interconnects: Its mechanical integrity supports durable and reliable signal pathways.

2. Chemical Processing Applications

·         Corrosion-Resistant Reactor Fixtures: Ta-Nb wire endures harsh chemicals without degrading.

·         Anti-Corrosion Components: It protects flow systems by maintaining structural integrity under extreme conditions.

3. Aerospace Applications

·         Propellant Valve Components: The wire withstands extreme heat and pressure in rocket propulsion systems.

·         Hypersonic Aircraft Parts: Ta-Nb wire maintains strength and chemical stability at very high temperatures.

Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch Packaging

Each spool of Tantalum Niobium Wire (UNS R05240, Ta-40Nb, Dia. 0.004 inch) is vacuum-sealed in a corrosion-inhibiting film and placed in a moisture-resistant aluminium liner, ensuring product purity and longevity. Protective wraps provide added cushioning during transit. To further prevent oxidation, a rust-preventive environment is maintained inside the sealed packaging. We offer customisation in spool dimensions, labelling, and supplementary protective layers to meet specific shipping and handling requirements.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch FAQs

Q1: What are the key material properties of Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch?

A1: Tantalum Niobium (Ta-40Nb) wire offers superior corrosion resistance, a high melting point exceeding 2 996°C, and excellent ductility even at very small diameters. Its stabilised microstructure provides consistent electrical conductivity and reliable mechanical strength, making it well-suited for demanding applications. Additionally, Ta-40Nb exhibits low thermal expansion and high biocompatibility, making it especially valuable in medical devices, chemical processing, and ultra-high-temperature environments.

Q2: How can this tantalum product be processed or fabricated?

A2: Ta-40Nb wire can be cold-drawn and annealed repeatedly to achieve precise diameters, including the 0.004-inch specification. The wire is typically manufactured under inert atmospheric conditions to preserve purity and prevent oxidation. It can also undergo specialised heat treatments to optimise mechanical properties, improve ductility, and reduce stress. Precise grinding, polishing, and ultrasonic cleaning help ensure surface integrity, meeting strict quality and dimensional requirements.

Q3: Which quality standards and certifications apply to Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch?

A3: Ta-40Nb wire is commonly produced and certified to ASTM B365 for tantalum and tantalum alloy products, ensuring it meets strict mechanical and chemical composition specifications. Additional certifications, such as ISO 9001 for quality management and AS9100 for aerospace applications, may apply based on end-use requirements. Manufacturers often supply material traceability documents, verifying compliance with relevant standards and ensuring consistently high-quality wire performance.

Related Information

1. Material Properties and Advantages

Engineered specifically to handle extreme operational environments, Tantalum Niobium Wire (Ta-Nb Wire) UNS R05240, Ta-40Nb, Dia. 0.004 inch boasts an impressive balance of strength, ductility, and corrosion resistance. This combination stems from the stable structure of the Ta-40Nb alloy, which naturally resists degradation in both acidic and alkaline media. As a result, this wire shape exhibits enhanced durability during prolonged exposure to harsh conditions, making it a reliable choice for a variety of specialised applications.

Thanks to its remarkable melting point and excellent thermal conductivity, UNS R05240 Ta-40Nb Wire proves indispensable where stable performance under high temperatures is essential. Additionally, the wire’s consistent mechanical properties across its 0.004-inch diameter allow for precise, repeatable results in sensitive processes, such as those within vacuum chambers and specialised research apparatus. This tailored material profile ultimately helps industries achieve higher efficiency and greater operational longevity.

2. Applications in Advanced Industries

Increasingly adopted in sectors that require micro-scale precision and elevated reliability, Tantalum Niobium Wire UNS R05240, Ta-40Nb, Dia. 0.004 inch is finding new roles in aerospace components and medical devices. Its corrosion resistance makes it a prime candidate for use in internal implants and high-pressure fluid transfer systems, where material integrity is paramount. The wire’s minute diameter allows for design flexibility without compromising on essential mechanical strengths.

Due to the wire’s thermal stability, many semiconductor equipment manufacturers include Ta-40Nb Wire in processes requiring uniform heat distribution at the wafer level. Its ability to maintain strong performance in low contamination environments makes it particularly valuable for delicate electronics assembly and advanced sensor technologies. Overall, the wire’s versatility and properties enable it to excel in demanding scenarios, further solidifying its position in a variety of industrial domains.