Description
📦 ASTM B365 Tantalum Rod – 99.95% Pure Powder Metallurgy Bar for High-Temp & Corrosive Use
📘 Product Overview
The ASTM B365 Tantalum Rod is a premium-grade refractory metal product engineered to meet the highest performance demands in extreme temperature and corrosive environments. Manufactured through a sophisticated powder metallurgy process, this rod conforms to the strict standards outlined in ASTM B365, ensuring consistent purity, mechanical properties, and structural integrity across batches.
With a minimum purity of 99.95%, the ASTM B365 Tantalum Rod exhibits exceptional resistance to oxidation, acid corrosion, and thermal degradation. These features make it a reliable solution for semiconductor equipment, aerospace thermal shields, chemical reactors, and vacuum furnaces. Its outstanding ductility and malleability enable easy processing into custom components without sacrificing strength or stability.
This rod is widely used across industries requiring bio-compatibility, non-magnetic properties, and high thermal resilience—making it suitable for medical devices and sensitive measurement tools as well.
🧪 Chemical Composition (Typical ASTM B365 Grade)
| Element | Symbol | Max. Content (%) |
|---|---|---|
| Tantalum | Ta | ≥ 99.95 |
| Oxygen | O | ≤ 0.015 |
| Nitrogen | N | ≤ 0.010 |
| Carbon | C | ≤ 0.010 |
| Hydrogen | H | ≤ 0.0015 |
| Iron | Fe | ≤ 0.010 |
| Nickel | Ni | ≤ 0.010 |
| Tungsten | W | ≤ 0.050 |
All elemental compositions are verified using ICP-OES and LECO analyzers to guarantee full compliance with ASTM B365. This meticulous quality control assures superior performance in mission-critical applications.
⚙️ Mechanical Properties (Annealed Condition)
| Property | Value Range |
| Tensile Strength | ≥ 200 MPa |
| Yield Strength (0.2%) | ≥ 140 MPa |
| Elongation | ≥ 25% |
| Hardness (Vickers HV) | 110 – 150 |
| Modulus of Elasticity | ~186 GPa |
| Density | 16.65 g/cm³ |
The ASTM B365 Tantalum Rod retains its mechanical performance at extreme temperatures, even beyond 2000°C, making it an ideal candidate for prolonged high-heat exposure conditions.
🌡️ Physical Properties
| Property | Value |
| Melting Point | 3017 °C |
| Boiling Point | 5458 °C |
| Electrical Resistivity | 13.5 µΩ·cm |
| Thermal Conductivity | 57 W/m·K |
| Coefficient of Expansion | 6.3 × 10⁻⁶ /°C |
| Magnetic Properties | Non-magnetic |
These physical traits underscore the rod’s adaptability for use in high-vacuum chambers, semiconductor deposition, and space-grade propulsion systems.
🔍 Applications of ASTM B365 Tantalum Rod
🔬 Semiconductor & Electronics
- Backing plates for tantalum sputtering targets
- Beamline hardware in ion implantation tools
- Getter materials in vacuum devices
🧪 Chemical Processing
- Acid-resistant components in nitric, hydrochloric, and hydrofluoric acid environments
- Tantalum liners and stirrers in reactors
- Electrodes for high-current electrolytic cells
🚀 Aerospace & Defense
- Hot zone insulation in hypersonic propulsion
- Thruster nozzle inserts and shielding plates
- Deep-space craft structural materials
🏥 Medical & Analytical Instruments
- Bone screws and pins (bio-compatible)
- Radiation shielding blocks
- Crucibles and boats in spectrometry labs
📐 Customization Options
| Parameter | Range / Notes |
| Diameter | 0.5 mm – 80 mm |
| Length | Up to 2000 mm |
| Surface Finish | Ground / Turned / Polished |
| Tolerance | As per ASTM B365 or per request |
| Shape | Round, hexagonal, or custom geometry |
We support OEM machining, tight-tolerance grinding, and CNC customization to ensure each ASTM B365 Tantalum Rod matches customer blueprints or operational requirements.
✅ Key Advantages of ASTM B365 Tantalum Rod
- 🔹 Ultra-high purity (≥ 99.95%) for consistent chemical behavior
- 🔹 Resilience to extreme chemical media (acids, bases, gases)
- 🔹 Manufactured via modern powder metallurgy with fine grain control
- 🔹 Strong mechanical stability under thermal cycling
- 🔹 Excellent workability: welding, cutting, drilling supported
- 🔹 Fully RoHS, REACH, ISO 9001 compliant
- 🔹 Suitable for highly regulated sectors including nuclear and pharma
📋 Certification & Quality Assurance
All ASTM B365 Tantalum Rods are delivered with:
- ✔ EN 10204 3.1 Mill Test Certificate
- ✔ Dimensional and purity verification report
- ✔ Third-party inspection (SGS, BV) available on request
- ✔ Optional non-destructive testing (NDT)
Our in-house quality control team ensures all rods meet your project’s demands with complete traceability.
📦 Packaging & Logistics
Each tantalum rod is:
- 🧊 Wrapped in vacuum-sealed, moisture-proof film
- 📦 Housed in anti-static, shock-resistant wooden cases
- 🚛 Shipped globally via air/sea cargo or express (DHL/FedEx/UPS)
- 🛡️ Labeled for compliance with export regulations
🌍 About NiTiCu Metal
Shaanxi Nickel Titanium Copper Metal Co., Ltd is a specialized supplier of refractory and exotic metal materials based in Baoji, China. With a decade-long reputation for quality and customization, we export ASTM B365 Tantalum Rods to leading industries in the U.S., EU, Middle East, and Southeast Asia.
📞 Contact Us
📧 Email: sales@niticu.com
📞 Phone / WhatsApp / WeChat: +86 13335373172
🏭 Factory: Baotai Road Industrial Park, High-tech Zone, Baoji City, Shaanxi, China
🌐 Website: https://niticu.com
📩 Need a quote or technical consultation? We respond within 24 hours.
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