Tantalum Niobium Alloy
China Super Tech Co., Ltd. has launched a tantalum-niobium alloy. This alloy is produced through a vacuum electron beam melting process, where tantalum and niobium are precisely melted in a certain ratio. While maintaining the corrosion resistance and high thermal conductivity of both metals, it also enhances the overall structural strength. It can operate stably for a long time in a highly corrosive environment and is a high-performance metal material that combines reliability and service life.
- Product Introduction
Product features
1. Resistant to strong acid corrosion
By adding 15%-40% of niobium elements to adjust the crystal structure, the corrosion rate in concentrated hydrochloric acid and nitric acid at temperatures below 200℃ is less than 0.01mm, which is much better than the conventional level of pure tantalum.
2. Strong low-temperature toughness
After being treated by 1800℃ high-temperature homogenization annealing, it will not fracture even in the liquid nitrogen environment at -196℃, meeting the requirements for use in extremely cold conditions.
3. Stable thermal conductivity
There are no segregation impurities inside the alloy, and the thermal conductivity remains stable at over 55W/(m·K) for a long time, without any decline in thermal conductivity efficiency due to long-term use.
Product Application
1. Chemical corrosion prevention and heat exchange equipment
The heat exchangers made with this equipment can be used for a long time in the strong acid synthesis process of pesticides and medicines. Unlike ordinary stainless steel, they will not have perforation and leakage, reducing the frequency of equipment shutdown and replacement each year.
2. Medical implant accessories
Compliant with national medical metal material standards, with good biocompatibility, they can be used to make wear-resistant connection components for orthopedic implants. They will not release harmful ions in human tissues, causing rejection.
3. High-end electronic components
Used to manufacture the core anode components of special capacitors, they can maintain stable storage performance in outdoor power equipment with high humidity and wide temperature differences, reducing the probability of circuit failures.
Customized service
China Super Tech Co., Ltd. can provide exclusive customized services. Relying on its own full-process smelting and processing production line, without outsourcing third-party processes, it can adjust the tantalum and niobium ratios according to the actual usage scenarios of customers. It can also directly process into the required sheet, rod, tube and other nearly finished product shapes, reducing the material loss for customers' subsequent secondary processing. The customization cycle is 30% shorter than the industry average.
Specification
|
Parameter |
Specification |
|
Product Name |
Tantalum Niobium Alloy |
|
Material |
Tantalum (Ta) - Niobium (Nb) Alloy |
|
Grade |
Ta-Nb 10%, Ta-Nb 20%, Ta-Nb 40%, Custom |
|
Ta Content |
60–90% (Custom Available) |
|
Nb Content |
10–40% (Custom Available) |
|
Standard |
ASTM B365, ASTM B708, ASTM F560 (Custom) |
|
Shape |
Rod, Bar, Plate, Sheet, Tube, Wire, Block, Disc |
|
Diameter |
0.2–300 mm |
|
Thickness |
0.05–100 mm |
|
Length |
Up to 3000 mm or Customized |
|
Density |
16.0–16.8 g/cm³ (Depending on Composition) |
|
Melting Point |
2,500–3,000°C (Approx.) |
|
Surface Finish |
Polished, Ground, Machined, Pickled |
|
Tolerance |
±0.01 mm to ±0.10 mm (Depending on Size) |
|
Purity |
≥99.9%, ≥99.95%, ≥99.99% |
FAQ
What are the main advantages of Tantalum Niobium Alloy?
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Tantalum Niobium Alloy combines the outstanding corrosion resistance of tantalum with the excellent mechanical strength and lower density of niobium. Compared with pure tantalum, the alloy offers improved cost efficiency while maintaining excellent resistance to acids, alkalis, chlorides, and many aggressive chemical environments. It also provides high melting temperature, excellent ductility, and good machinability, making it suitable for demanding industrial applications.
What industries commonly use Tantalum Niobium Alloy?
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Tantalum Niobium Alloy is widely used in industries that require exceptional corrosion resistance and high-temperature performance. Typical applications include chemical processing equipment, heat exchangers, reactors, semiconductor manufacturing, vacuum furnaces, aerospace components, medical devices, electronic vacuum equipment, and nuclear engineering. Its long service life helps reduce maintenance costs in harsh operating environments.
Which alloy grades are most commonly available?
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Common commercial grades include Ta-3Nb, Ta-10Nb, Ta-20Nb, Ta-25Nb, Ta-30Nb, and Ta-40Nb. The appropriate composition depends on the application requirements. Lower niobium content is often selected when maximum corrosion resistance is required, while higher niobium content can improve strength and reduce material cost for certain industrial applications. Custom alloy ratios are also available to meet specific engineering requirements.
Can Tantalum Niobium Alloy withstand highly corrosive chemicals?
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Yes. Tantalum Niobium Alloy demonstrates excellent resistance to many mineral acids, organic acids, chloride-containing media, and alkaline solutions due to the formation of a stable protective oxide layer. However, like pure tantalum and niobium, it is generally not recommended for hydrofluoric acid (HF) or fluoride-containing environments, where corrosion resistance is significantly reduced. Material selection should always consider the specific chemical composition, temperature, and concentration of the process medium.
Can Tantalum Niobium Alloy be customized for specific applications?
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Yes. Most manufacturers offer customized compositions, dimensions, tolerances, surface finishes, and fabrication services. Tantalum Niobium Alloy can be supplied as rods, bars, sheets, plates, tubes, wires, discs, rings, and precision-machined components. Additional services such as CNC machining, polishing, vacuum heat treatment, and material certification are commonly available to meet aerospace, semiconductor, medical, and chemical industry specifications.
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