TA7551 Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, Ta-2.5W, Dia. 0.004 inch

Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, Ta-2.5W, Dia. 0.004 inch Description

Tantalum Tungsten Wire (Ta-W Wire), designated as UNS R05252 (Ta-2.5W), is recognised for its mechanical strength, corrosion resistance, and high melting point. Manufactured in a 0.004 inch diameter to meet ASTM B708 standards, this alloy combines the properties of tungsten with tantalum’s ductility for performance in challenging environments. Its structure remains stable under extreme temperatures, while its thermal and electrical conductivity suits precise and demanding applications.

Industries ranging from aerospace and chemical processing to electronics rely on this wire for components such as filaments, cathodes, and high-temperature vacuum parts. Manufactured under stringent quality controls, Tantalum Tungsten Wire demonstrates consistency, reliability, and purity. Its hardness and resilience make it an ideal choice where durability, safety, and quality are essential.

Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, Ta-2.5W, Dia. 0.004 inch Applications

Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, commonly referred to as Ta- 2.5W, stands out for its strength, durability, and corrosion resistance. Manufactured in a diameter of only 0.004 inch, it excels in extreme environments. As a result, it finds applications across advanced industries seeking performance reliability, chemical stability, and structural support.

1. Electronics Applications

·         Capacitor Anodes: The wire’s conductivity and stability ensure performance in high-end capacitor components.

·         Vacuum Tube Filaments: Its ability to withstand extreme heat makes it suitable for filament production in vacuum electronic devices.

2. Chemical Processing Applications

·         Corrosion-Resistant Heating Elements: Ta-

2.5W wire endures aggressive chemical environments, helping maintain stable heating processes.

·         Process Monitoring Sensors: Its dimensional stability and chemical inertness support accurate measurements in harsh industrial conditions.

3. Aerospace Applications

·         High-Temperature Fasteners: The wire’s high melting point provides fastening solutions under intense heat and mechanical stress.

·         Ion Propulsion Components: Tantalum tungsten’s corrosion resistance and strength make it suitable for critical ion thruster assemblies.

Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, Ta-2.5W, Dia. 0.004 inch Packaging

Ensuring maximum protection, Tantalum Tungsten Wire (Ta-W), UNS R05252, Ta-2.5W, Dia. 0.004 inch is carefully vacuum-sealed in robust, anti-static and corrosion-resistant pouches prior to shipping. Protective foam or sealed plastic layers cradle each spool, minimising handling damage. For added longevity, anti-corrosion coatings are used. Customers can request custom spool sizes, special labeling, and added protective layers to meet unique requirements or extended storage needs.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, Ta-2.5W, Dia. 0.004 inch FAQs

Q1: What are the key material properties of Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, Ta-2.5W, Dia. 0.004 inch?

A1: This Tantalum Tungsten wire, designated as UNS R05252, with a 2.5% tungsten doping, offers mechanical strength, corrosion resistance, and ductility even at elevated temperatures. The small diameter of 0.004 inch ensures minimal mass while retaining structural integrity. Typically, it exhibits a high melting point around 3 000°C, low vapor pressure, and stable performance in aggressive chemical environments, making it suitable for advanced electronic and medical applications.

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

A2: Due to its ductility and toughness, Tantalum Tungsten Wire UNS R05252 can be drawn into ultra-fine diameters using multiple cold-drawing passes and intermediate annealing steps. Plasma welding and electron beam welding are commonly employed for joining. Surface cleaning with acid etchants removes oxidation, ensuring bonding and uniformity. Heat treatments at carefully controlled temperatures help maintain mechanical integrity, while CNC-based forming techniques allow precise component fabrication in demanding applications.

Q3: Which quality standards and certifications apply to Tantalum Tungsten Wire (Ta-W Wire) UNS R05252, Ta-2.5W, Dia. 0.004 inch?

A3: Production and inspection of Tantalum Tungsten Wire UNS R05252 typically adhere to ASTM B365, which defines chemical composition, mechanical properties, and dimensional tolerances. Additional compliance with ASME SB-365 ensures quality in pressure applications. Manufacturers often follow ISO 9001-certified quality management systems, implementing inspection procedures such as ultrasonic testing and chemical analysis. Certificates of conformance confirm purity, tungsten content, and mechanical properties for traceability and reliability.

Related Information

1. Manufacturing Process

Each Tantalum Tungsten wire, designated as UNS R05252 (Ta-2.5W), undergoes a specialised fabrication approach to ensure consistent diameter and mechanical integrity. The production commences with alloy mixing, followed by thermal treatments that promote homogeneity throughout the wire. By applying precision rolling and careful drawing techniques, manufacturers can reduce the wire to fine dimensions, including the 0.004 inch diameter specified for this product. This series of processes preserves its corrosion resistance under challenging conditions and maintains the uniformity of the alloy composition.

Having such a refined diameter demands monitoring of tension and winding speeds to prevent breaks or deformities. Traditional finishing methods are complemented by evaluations focused on assessing the wire’s smoothness and cylindrical accuracy. Strict adherence to drawing parameters is crucial for Dia. 0.004 inch, as slight variations can compromise performance in critical applications such as semiconductor interconnects, medical electrodes, and high-reliability instrumentation.

2. Applications in Advanced Industries

Many high-tech sectors rely on Tantalum Tungsten Wire (Ta-2.5W) for its ability to endure extreme environments without losing stability or conductivity. Semiconductor fabrication facilities often incorporate this UNS R05252 alloy where precision and reliability are paramount. Its corrosion resistance and thermal properties make it well-suited for delicate electronic components that need tolerances and minimal distortion.

Reflecting its capabilities, Dia. 0.004 inch wire is witnessing adoption in the medical device industry, including pacemaker leads and surgical instruments. Outside of healthcare, aerospace developers also utilise Ta-W wire for temperature-sensitive propulsion systems and satellite components. The performance and properties of this wire reinforce its position as a material for maintaining accuracy and durability in technological applications.