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China Pure Tantalum Foils & Strips - High-Purity Solutions from Leading Suppliers & Factory for Industrial Applications

R05200 pure tantalum foils and strips, manufactured from high-purity tantalum (Ta content ≥ 99.95%), are expertly produced in China through advanced techniques such as vacuum melting, hot rolling, cold rolling, and annealing. As a reputable supplier and factory of these materials, we ensure that our products adhere to the American Standard R05200 grade. Tantalum products with a thickness of ≤ 0.1mm are categorized as foils, while those ranging from 0.1 to 1.5mm are classified as strips, R05200 tantalum exhibits remarkable properties, including exceptional corrosion resistance against most strong acids, alkalis, and high-temperature gases (excluding hydrofluoric acid). It demonstrates long-term stability in aggressive environments without contaminating adjacent substances. With a melting point reaching 2996℃, R05200 can maintain stable performance up to 1400℃ and withstand short-term exposure to 1800℃ conditions, Our ultra-pure, impurity-free tantalum foils and strips are prized for their excellent ductility, as well as their superior electrical and thermal conductivity. These features make R05200 an ideal choice for demanding industries that require precise material thickness, superior surface quality, and adaptability to extreme environments. Our products are widely utilized in high-end sectors, including electronics, chemical processing, aerospace, and laboratory research. Choose us for reliable supply of high-quality tantalum materials that meet your specific application needs

    Product specification

    📋 Product Specifications
    Product Name Pure Tantalum Foils, Pure Tantalum Strips
    Brand Name Yunjie (Yunjie)
    Model R05200 (American Standard)
    Material High-purity tantalum (commercially pure tantalum, complying with American Standard R05200 grade)
    Manufacturing Process Vacuum melting → Hot rolling → Cold rolling → Annealing → Finishing → Surface treatment
    Minimum Tantalum Content Meeting American Standard R05200 high-purity grade requirements (Ta content ≥ 99.95%)
    Density 16.6 g/cm³
    Advantages
    • ⚗️ Extreme corrosion resistance
    • 🔥 Excellent high-temperature stability
    • ⚡ Superior electrical & thermal conductivity
    • ✨ Ultra-pure material without impurities
    • 🔧 Outstanding ductility
    • 📐 Strict dimensional accuracy
    • 🪞 Excellent surface finish
    Surface Conditions Pickled Surface Bright Annealed Surface Cold-Rolled Bright Surface
    Delivery Conditions Soft State (M) Hard State (Y)
    Processing Services Dimension customization (width, thickness, length), slitting, cutting, stamping forming, welding processing
    Minimum Order Quantity 1 kg (calculated based on actual orders; preferential policies available for bulk purchases)
    Frequently Asked Questions
    Q What is the minimum tantalum purity of your Pure Tantalum Foils and Strips?
    Our Pure Tantalum Foils and Strips comply with the American Standard R05200 grade, ensuring a minimum tantalum (Ta) content of ≥ 99.95%. This ultra-high purity guarantees consistent performance in demanding industrial and scientific applications.
    Q What surface conditions are available for the tantalum foils and strips?
    We offer three surface conditions: Pickled Surface, Bright Annealed Surface, and Cold-Rolled Bright Surface. Each surface finish is suitable for different application requirements, and we can advise on the best option based on your specific use case.
    Q Can you provide custom dimensions for tantalum foils and strips?
    Yes. We offer comprehensive processing services including dimension customization (width, thickness, and length), slitting, cutting, stamping forming, and welding processing. Please contact us with your specific requirements and we will provide a tailored solution.
    Q What is the minimum order quantity (MOQ) for tantalum foils and strips?
    The minimum order quantity is 1 kg, calculated based on actual orders. For bulk purchases, preferential pricing policies are available. Please reach out to our sales team for volume discount details.
    Q What delivery conditions (temper states) are available for the tantalum products?
    Our tantalum foils and strips are available in two delivery conditions: Soft State (M) — fully annealed for maximum ductility and formability; and Hard State (Y) — cold-worked for higher strength and hardness. The appropriate state depends on your downstream processing and application needs.
    Q What manufacturing process is used to produce your tantalum foils and strips?
    Our tantalum foils and strips are produced through a rigorous multi-step process: vacuum melting → hot rolling → cold rolling → annealing → finishing → surface treatment. This ensures exceptional material purity, dimensional accuracy, and consistent mechanical properties across every batch.

    Classification

    Precision Refractory Metal Stamped Parts (Metal Discs & Metal Cups) (1)
    • Classification by Product Form
    • Classification by Material Performance
    • 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

    Core Product Characteristics

    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.
    advantage-2
    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.
    advantage-2
    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.
    advantage-2
    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.
    advantage-2
    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.
    advantage-2
    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.
    advantage-2
    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.
    advantage-2

    Production Process

    1. 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
    Precision Refractory Metal Stamped Parts (Metal Discs & Metal Cups) (1)

    Application Fields

    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.
    6511419c2763338526
    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.
    6511419c2763338526
    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.
    6511419c2763338526
    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.
    6511419c2763338526
    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.
    6511419c2763338526
    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.
    6511419c2763338526
    Precision Refractory Metal Stamped Parts (Metal Discs & Metal Cups) (3)

    Enterprise Advantages & Services

    1. 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.
    2. 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.