introduction
Tantalum Bar and Wire are corrosion-resistant refractory metal materials widely used in the chemical, oil, electronics, and medical industries for their stability, strength, and excellent conductivity.
specification
| Material | Pure Tantalum, Ta Alloys |
|---|---|
| Symbol | Ta |
| Atomic Number | 73 |
| Atomic Weight | 180.94788 |
| Element Category | Transition Metal |
| Grade | R05200, R05400, R05252, R05255, R05240 |
| Standard | ASTM B365, ASTM F560 |
| Sizes | Diameter customized |
| Density | 16.6 g/cm³ |
| Forms | Tantalum Rods, Tantalum Bars, Tantalum Wires |
| Properties | Blue-gray, ductile, exceptional corrosion resistance to most acids (HNO₃, HCl, H₂SO₄, H₃PO₄, etc.), but not resistant to HF, excellent conductor of heat & electricity, high melting point |
| Applications | Capacitors, resistors, chemical equipment, oil industry components, high-temperature alloys, surgical implants, coating materials |
Customization Services
KOBO offers tantalum rods and wires in custom grades, sizes, diameters, and shapes, ensuring the right solution for diverse industrial and medical applications.
What Sets Our Production Apart
KOBO has over 20 years of expertise in processing refractory and reactive metals, supported by two modern production plants located in Baoji, the "Titanium City" of China. Our facilities are equipped with advanced melting and processing equipment to ensure consistent quality and reliable supply.
Electron Beam (EB) Melting Furnace
Enables ultra-high-purity refining and remelting under high vacuum, especially suitable for producing high-purity sputtering targets and specialty alloys for the electronic industry.
Vacuum Arc Remelting (VAR) Furnace
Industry-standard equipment for multiple melting cycles, ensuring uniformity, improved material properties, and cost-effective production of titanium and other alloys for industrial, medical, racing, and aerospace applications.
Comprehensive Product Range
KOBO supplies a full range of refractory and reactive metals and their alloys, including Titanium, Niobium, Tantalum, Vanadium, Molybdenum, Tungsten, Hafnium, Zirconium, Nickel, all customized to customer requirements.
Quality & Service
With ISO-certified processes, deep industry knowledge, and a global supply chain, KOBO delivers premium-quality materials at competitive market rates, backed by strong technical support and customer service.
certification
We manufacture under strict quality controls to international standards, including ISO 9001, ensuring reliability and consistent performance.
FAQ
Q: What is Tantalum Bar and Wire used for?
A: They are mainly used in capacitors, resistors, chemical processing equipment, oil industry components, surgical implants, and high-temperature alloys due to their excellent corrosion resistance and high melting point.
Q: Why is tantalum highly resistant to corrosion?
A: Tantalum forms a stable oxide film (Ta₂O₅) on its surface, which makes it extremely resistant to most acids such as HCl, H₂SO₄, H₃PO₄, and HNO₃, except for hydrofluoric acid (HF).
Q: Can Tantalum Bars and Wires be customized?
A: Yes, KOBO offers customization in diameter, length, grades (R05200, R05400, R05252, etc.), and forms (bars, rods, wires) to meet specific project requirements.
Q: What makes tantalum suitable for medical applications?
A: Tantalum has excellent biocompatibility and is non-reactive inside the human body, making it suitable for surgical implants and medical devices.
Q: What standards do KOBO's Tantalum Bars and Wires follow?
A: They are produced in compliance with ASTM B365 and ASTM F560 to ensure consistent quality and reliability.
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