When you need exceptional performance in extreme environments, tantalum ro5400 wires deliver unmatched reliability and precision. These specialized wires are manufactured using powder metallurgy consolidation processes, ensuring superior grain structure and mechanical properties. Our tantalum ro5400 wires offer excellent corrosion resistance, biocompatibility, and thermal stability, making them ideal for electronics, aerospace, and medical applications. With diameters ranging from 0.05mm to 5mm, these wires provide the flexibility you need for your most challenging projects.
Our tantalum wires stand out in the market due to their exceptional characteristics. The powder metallurgy production process creates a fine-grained structure that enhances workability and surface quality. You'll appreciate the excellent formability and ductility that makes these wires easy to process and fabricate.
The high melting point of 2,996°C ensures stability in extreme temperature conditions. Their natural oxide layer provides outstanding corrosion resistance against most acids and chemicals. The biocompatible nature makes them perfect for medical device manufacturing.
| Property | Value |
|---|---|
| Alloy Grade | Ta R05400 |
| Diameter Range | 0.05–5 mm |
| Tensile Strength | 200–300 MPa |
| Density | 16.65 g/cm³ |
| Elongation | 10–20% |
| Melting Point | 2,996°C |
| Purity | 99.95% (metallic purity) |
| Standard | ASTM B365 |
| Cerificate | ISO 9001:2015 |
| Surface treatment | bright surface |
| Production time | need 10-15 woking days |
| Packing | export wooden box |
We offer various tantalum grades to meet your specific requirements. The R05400 grade represents unalloyed tantalum produced through powder metallurgy consolidation. This process creates particularly fine-grained material with excellent mechanical properties.
Other available grades include R05200 (electron-beam furnace melt), R05252 (Ta-2.5W alloy), and R05255 (Ta-10W alloy). Each grade offers unique benefits depending on your application requirements.
Chemical composition
|
Grade |
Chemical Composition (≤%) |
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Ta |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Nb |
O |
C |
H |
N |
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|
Ta1(Ro5200) |
Bal. |
0.005 |
0.005 |
0.002 |
0.01 |
0.01 |
0.002 |
0.03 |
0.015 |
0.01 |
0.0015 |
0.01 |
|
Ta2(RO5400) |
Bal. |
0.03 |
0.02 |
0.005 |
0.04 |
0.03 |
0.005 |
0.1 |
0.02 |
0.01 |
0.0015 |
0.01 |
|
TaNb20 |
Bal. |
0.03 |
0.03 |
0.005 |
0.04 |
0.03 |
0.005 |
17.0-23.0 |
0.02 |
0.01 |
0.0015 |
0.01 |
|
Ta2.5W(RO5252) |
Bal. |
0.005 |
0.005 |
0.002 |
3 |
0.01 |
0.002 |
0.04 |
0.015 |
0.01 |
0.0015 |
0.01 |
|
Ta10W(RO5255) |
Bal. |
0.005 |
0.005 |
0.002 |
11 |
0.01 |
0.002 |
0.04 |
0.015 |
0.01 |
0.0015 |
0.01 |
Our tantalum wires undergo rigorous manufacturing processes to ensure consistent quality. The powder metallurgy consolidation method begins with high-purity tantalum powder. This powder is pressed and sintered under controlled conditions to create dense billets.
The billets are then processed through multiple drawing operations to achieve the desired diameter. Each step includes careful temperature control and quality monitoring. The final product undergoes comprehensive testing to verify mechanical properties and dimensional accuracy.
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Electronics industry relies heavily on these wires for capacitor manufacturing and semiconductor applications. The excellent conductivity and stability make them essential components in high-performance electronic devices.
Aerospace applications benefit from the high-temperature resistance and lightweight properties. Medical device manufacturers use them for implants and surgical instruments due to their biocompatibility. Chemical processing equipment incorporates these wires for their superior corrosion resistance.
Electronic devices
Medical implants
Steel industry
Chemical Processing
Aerospace and Defense
Energy and Environmental Engineering
We maintain strict dimensional tolerances to ensure consistent performance. Standard diameter tolerances are ±0.02mm for wires under 1mm diameter and ±0.05mm for larger diameters. Length tolerances are maintained within ±5mm for standard lengths.
Surface finish meets industry standards with smooth, oxide-free surfaces. Straightness tolerances ensure easy handling and processing in your manufacturing operations.
The fine-grained structure of tantalum ro5400 wires provides exceptional workability during fabrication processes. You'll find these wires easy to bend, form, and weld without compromising their integrity.
The natural passivation layer forms immediately upon exposure to air, providing instant corrosion protection. This characteristic eliminates the need for additional protective coatings in most applications.
Heat treatment options are available to modify mechanical properties according to your specific needs. Annealing can increase ductility for complex forming operations.
Every batch undergoes comprehensive testing to ensure compliance with specifications. Chemical composition analysis verifies purity levels and trace element content. Mechanical testing confirms tensile strength, elongation, and hardness values.
Dimensional inspection uses precision measuring equipment to verify diameter consistency and surface quality. Documentation packages include material certificates and test reports for full traceability.
We understand that your projects may require specific dimensions or properties. Our engineering team works closely with you to develop customized solutions that meet your exact requirements.
Custom diameters, special lengths, and modified surface treatments are available upon request. We can also provide pre-formed shapes or assemblies to reduce your manufacturing time and costs.
Products are carefully packaged to prevent damage during transportation. Small diameter wires are wound on spools or reels for easy handling. Larger wires are packaged in protective tubes or containers.
We ship worldwide with various carrier options to meet your delivery requirements. Expedited shipping is available for urgent orders. All shipments include proper documentation for international deliveries.
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With over 30 years of experience in the rare metal industry, we bring unmatched expertise to every project. Our location in China's "Titanium Capital" provides access to premium raw materials and specialized manufacturing facilities.
Quality comes first in everything we do. Our products serve customers in more than 50 countries worldwide, demonstrating our commitment to excellence and reliability.
We focus on competitive pricing, on-time delivery, and exceptional customer service. Our team provides technical support throughout your project lifecycle.

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Q: What makes R05400 grade different from other tantalum grades?
A: R05400 uses powder metallurgy consolidation, creating finer grain structure and superior mechanical properties compared to melted grades.
Q: Can these wires be welded?
A: Yes, tantalum ro5400 wires can be welded using appropriate techniques and inert atmosphere protection.
Q: What is the minimum order quantity?
A: Minimum orders vary by diameter and specifications. Contact us for specific requirements.
Q: Do you provide material certificates?
A: Yes, we provide complete material certificates and test reports with every shipment.
Ready to discuss your tantalum wire requirements? Our technical team is here to help you select the right specifications for your application.
Contact us today at info@chdymetal.com for quotes, technical information, or to discuss your specific needs. We look forward to becoming your trusted partner for high-quality tantalum ro5400 wires and other specialty metal products.
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