High-Purity Pure Tantalum Rods & Wires from China Suppliers - Precision Materials Factory for Industrial Applications
Product specification
Tantalum Rod & Wire — Parameter Specifications
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Standard & Custom Parameters Available
All dimensions, tolerances, and surface finishes can be tailored to your project requirements. Custom orders are accepted beyond the regular parameter ranges listed below.
| Item | Regular Parameter Details (Tantalum Rods / Wires) | Custom Parameter Range |
|---|---|---|
| Diameter | Tantalum rods: 3mm — 20mm; Tantalum wires: 0.1mm — 3.0mm | Tantalum rods: 20mm and above; Tantalum wires: 3mm and above, customizable according to customer requirements |
| Length | Tantalum rods: 100mm — 3000mm (single piece); Tantalum wires: 5m — 500m/spool | Tantalum rods: Customizable on demand (single piece, fixed-length cutting); Tantalum wires: Customizable spool length and winding method |
| Tolerance Range | Tantalum rod diameter tolerance: ±0.02mm — ±0.2mm; Tantalum wire diameter tolerance: ±0.001mm — ±0.01mm (complying with ASTM B708 American Standard) | Tolerance can be customized according to customer precision requirements to meet ultra-high precision scenarios |
| Surface Roughness | Polished surface: Ra≤0.3μm; Bright annealed surface: Ra≤0.8μm; Pickled surface: Ra≤1.2μm | Surface roughness can be customized on demand; wires can achieve mirror-level finish |
Our Key Advantages
🔩 Precision Manufacturing
Advanced processing equipment ensures strict dimensional control and consistent quality across all tantalum rod and wire products.
📏 ASTM B708 Compliance
All products are manufactured in compliance with ASTM B708 American Standards, ensuring reliable performance in critical applications.
⚙️ Flexible Customization
From ultra-fine wire diameters to large-diameter rods, we offer fully customizable dimensions, lengths, tolerances, and surface finishes.
✨ Superior Surface Quality
Multiple surface treatment options available including polished, bright annealed, and pickled finishes — with mirror-level finish achievable for wires.
🎯 Ultra-High Precision
Wire diameter tolerances as tight as ±0.001mm are achievable, meeting the most demanding requirements in aerospace, medical, and semiconductor industries.
🚚 Custom Spool & Cutting
Tantalum wires are available in custom spool lengths and winding configurations; rods support fixed-length cutting to minimize material waste.
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Frequently Asked Questions
Q1
What is the minimum diameter available for tantalum wires?
The standard minimum diameter for tantalum wires is 0.1mm. For diameters of 3mm and above, custom orders are accepted based on specific customer requirements.
Q2
What tolerance standards do your tantalum rods and wires comply with?
Our tantalum rods and wires comply with ASTM B708 American Standard. Rod diameter tolerances range from ±0.02mm to ±0.2mm, while wire diameter tolerances can be as tight as ±0.001mm to ±0.01mm. Custom tolerances are also available for ultra-high precision applications.
Q3
What surface finish options are available for tantalum rods and wires?
We offer three standard surface finishes: polished surface (Ra≤0.3μm), bright annealed surface (Ra≤0.8μm), and pickled surface (Ra≤1.2μm). For tantalum wires, a mirror-level finish can also be achieved upon request.
Q4
Can tantalum rods be supplied in custom lengths?
Yes. Standard tantalum rods are available in lengths from 100mm to 3000mm per piece. Custom fixed-length cutting is available on demand to suit your specific project or manufacturing requirements.
Q5
Are custom spool configurations available for tantalum wires?
Absolutely. Standard tantalum wire spools range from 5m to 500m. Custom spool lengths and winding methods are available to accommodate specific handling, automation, or application requirements.
Q6
What industries commonly use tantalum rods and wires?
Tantalum rods and wires are widely used in aerospace, medical devices, semiconductor manufacturing, chemical processing, and electronic components — industries that demand high corrosion resistance, biocompatibility, and exceptional dimensional precision.
Classification
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Classification by Product Form
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Classification by Material Performance
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Classification by Machining Precision
Specification Selection Guide & Chemical Composition Standards
|
Product Type |
Specifications |
Core Features |
Application Scenarios |
|
Ultra-Thin Metal Discs |
Thickness starting from 0.03mm, diameter 2–50mm |
Ultra-thin & flexible, ultra-high precision, burr-free, excellent conductivity |
Semiconductor chip accessories, micro electronic contacts, precision sensors, miniature medical devices |
|
Conventional Metal Discs |
Thickness 0.1–2mm, diameter 50–100mm |
High structural strength, good flatness, superior batch consistency |
High-end tooling fixtures, equipment sealing gaskets, conductive connectors, aerospace precision components |
|
Standard Metal Cups |
Thickness 0.076–0.254mm, flat/spherical/conical shape |
High pressure & deformation resistance, high fitting accuracy, wear resistance & durability |
Supporting for diamond wire drawing molds, PCD/PCBN super-hard cutting tools |
|
Custom Special-Shaped Metal Cups |
Non-standard thickness & special-shaped full-size customization |
Custom-fit design, high fitting precision, stable performance under extreme conditions |
Deep oil & gas well drilling, special super-hard material processing, new material R&D |
|
Material |
Substrate Purity |
Total Impurity Content |
Core Standard |
|
Molybdenum / Tantalum |
≥99.95% |
≤0.05% |
High temperature resistance, low impurity, high vacuum compatibility |
|
Zirconium / Niobium |
≥99.9% |
≤0.1% |
Superior corrosion resistance, high pressure resistance, erosion resistance |
|
Titanium / Nickel |
≥99.5% |
≤0.5% |
Lightweight, biocompatible, stable conductivity |
01
Ultra-High Purity & Zero Contamination
All refractory metal substrates reach purity ≥99.9% with extremely low impurity content. No contamination occurs during processing, ensuring no impact on the accuracy and performance of high-end products, fully adapting to high-purity precision manufacturing processes.
02
Extreme & Controllable Dimensional Accuracy
Adopting precision stamping technology, the core dimensional tolerance is strictly controlled within ±0.001mm. Products feature high flatness, no deformation and no burrs with excellent assembly fitting performance, meeting the precision assembly requirements of micro-precision components.
03
Wide Adaptability for High-Temperature & High-Pressure Extreme Conditions
Refractory metal substrates possess excellent high-temperature resistance, withstanding temperatures up to 2600℃. Combined with outstanding high-pressure and anti-deformation capabilities, they operate stably in extreme scenarios such as deep well drilling, ultra-high temperature sintering and high-strength processing.
04
Superior Corrosion & Wear Resistance with Long Service Life
Maintaining stable performance under acid-base corrosion, high-temperature oxidation and high-speed scouring environments, the products feature anti-aging and wear-resistant properties, effectively reducing accessory replacement frequency and lowering production costs.
05
Stable Electrical & Thermal Conductivity
Metal substrates deliver excellent and uniform heat and electrical conduction without local overheating or unstable resistance, perfectly suitable for semiconductor and power conduction precision components.
06
Flexible Customization & Strong Adaptability
Supporting full-dimensional customization of thickness, size and shape. Standard specifications are sufficiently in stock, and special-shaped products support rapid die opening to accurately match non-standard equipment and special process requirements.
07
Excellent Batch Consistency
Equipped with automated precision production lines and standardized molds, products maintain highly unified size and performance, ideal for large-scale industrial supporting production.
Production Process
- Refractory metal raw material inspection → precision plate leveling → CNC cutting & blanking → integral precision stamping via standardized molds → high-precision dimension calibration → edge deburring & polishing → surface precision cleaning → triple inspection (material purity, dimensional tolerance, appearance defect) → sorting & classification → finished product packaging → delivery with complete test reports
01
Petroleum & Gas Drilling Industry
Custom high-purity metal cups matched for polycrystalline diamond compacts feature high pressure resistance, corrosion resistance and erosion resistance. They adapt to extreme deep and ultra-deep well drilling conditions, improving the stability and service life of drilling equipment.
02
Super-Hard Tool & Mold Industry
Supporting stamping parts for PCD inserts, PCBN inserts, diamond cutters, CBN tools and diamond wire drawing molds enhance tool clamping stability, machining accuracy and wear resistance.
03
Electronics & Semiconductor Industry
Precision metal discs are applied in chip packaging, electronic contacts, semiconductor equipment tooling and sensor induction components. High purity and conductivity ensure long-term stable operation of electronic devices.
04
Aerospace Industry
Suitable for aerospace precision instrument components, special sensor parts and aerospace tooling accessories. Lightweight, high-strength and high-temperature resistant properties meet extreme environmental requirements of aerospace equipment.
05
Medical Device Industry
Titanium and high-purity nickel stamped parts are used for minimally invasive device accessories and medical testing equipment components. Featuring good biocompatibility, high precision, non-magnetic and pollution-free performance, they fully comply with medical safety standards.
06
High-End Precision Manufacturing Industry
Applicable for precision mold accessories, special tooling fixtures, new energy equipment conductive parts and new material R&D consumables, providing core precision support for high-end precision equipment and special industrial processes.
Enterprise Advantages & Services
- Baoji Yunjie Metal has specialized in refractory metal precision manufacturing for over 30 years, owning mature precision stamping core technologies and multiple technical patents with ISO9001 quality system certification. We feature full material coverage, ultra-high precision, rapid die opening, stable delivery and superior quality. Standard products are in stock for immediate shipment, customized orders support quick response, small-batch trial production and large-scale stable mass production. All products undergo strict triple quality inspection on material purity, dimensional accuracy and appearance performance, maintaining a leading customer repurchase rate in the industry.
- Free Services: Material selection consultation, size specification optimization, special-shaped structure design, sample testing, exclusive batch customization solutions.
Send Inquiry
As a professional expert providing solutions for pure tantalum (R05200, complying with ASTM B708 American Standard) and various metal accessories and custom machined parts, Baoji Yunjie focuses on precision machining-to-drawing capability, fully meeting customers' machining needs from standard parts to complex custom parts! For a full range of metal materials and products such as titanium, tantalum, niobium and zirconium, welcome to provide drawings for consultation and customization. We will accurately reproduce designs and deliver products efficiently.