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Pure Tantalum Tubes R05200 (American Standard) - Specialized for Corrosion-Resistant Industrial & Scientific Applications

R05200 pure tantalum tubes are hollow tubular tantalum-based materials processed from high-purity commercially pure tantalum through multiple core precision processes, including vacuum melting, forging, hot rolling billeting, precision cold rolling/drawing, annealing forming, finishing and surface treatment. With a tantalum content of ≥ 99.95% and extremely low impurity levels, the R05200 grade is suitable for scenarios with strict requirements on material purity, corrosion resistance and dimensional accuracy. As a core tubular category of tantalum materials, pure tantalum tubes inherit the extreme corrosion resistance of tantalum, exhibiting strong tolerance to most strong acids, alkalis, molten salts and high-temperature gases except hydrofluoric acid. They operate stably for a long time in harsh media without contaminating contact substances. With a melting point of up to 2996℃, they can serve continuously below 1400℃ and withstand high temperatures of 1800℃ for a short time, maintaining excellent mechanical properties and structural stability in high-temperature environments. Meanwhile, they possess superior electrical and thermal conductivity, balanced strength and ductility, clean and smooth inner walls free of impurities, and good sealing performance, enabling various precision processing and forming. Widely used in high-end fields such as the electronic industry, aerospace, chemical equipment, laboratory research and medical devices, they are core tubes for special fluid transportation, high-temperature electrode protection, and sealing in corrosive environments.

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    Product specification

    Product Parameters
    Product Information

    Item

    Regular Parameter Details (Pure Tantalum Tubes)

    Custom Parameter Range

    Outer Diameter

    Thin-walled tubes: 3mm—20mm; Thick-walled tubes: 20mm—50mm

    Outer diameter 50mm and above, customizable according to customer requirements

    Wall Thickness

    Thin-walled tubes: 0.3mm—1.0mm; Thick-walled tubes: 1.0mm—10mm

    Wall thickness 10mm and above, customizable according to customer requirements

    Length

    100mm—1000mm (single piece)

    Customizable on demand (single piece, fixed-length cutting)

    Tolerance Range

    Outer diameter tolerance: ±0.02mm—±0.2mm; Wall thickness tolerance: ±0.01mm—±0.1mm (complying with ASTM B708 American Standard)

    Tolerance customizable according to customer precision requirements

    Surface Roughness

    Polished surface: Ra≤0.3μm; Bright annealed surface: Ra≤0.8μm; Pickled surface: Ra≤1.2μm

    Inner and outer wall roughness customizable on demand
    Product Name  Pure Tantalum Tubes
    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, forging, hot rolling, cold rolling/drawing, annealing, finishing, surface treatment, precision forming
    Minimum Tantalum Content  Meeting American Standard R05200 high-purity grade requirements (Ta content ≥ 99.95%)
    Density  16.6g/cm³
    Advantages  Extreme corrosion resistance, excellent high-temperature stability, superior electrical and thermal conductivity, ultra-pure impurity-free material, high strength and toughness, strict dimensional accuracy, excellent inner wall finish, strong sealing performance
    Surface Conditions  Pickled surface, bright annealed surface, cold-rolled as-rolled surface, polished surface
    Delivery Conditions  Soft state (M), hard state (Y)
    Processing Services  Dimension customization (outer diameter, inner diameter, length, wall thickness), cutting, bending, welding, flaring, necking processing
    Minimum Order Quantity  1kg (calculated based on actual orders; preferential policies available for bulk purchases; thin-walled tubes can be ordered per piece)

    Classification

    Specialized for Corrosion-Resistant Industrial (1)
    • Classification by Size Specification
      •Thin-Walled Pure Tantalum Tubes: Outer diameter 3mm—20mm, wall thickness 0.3mm—1.0mm. Featuring smooth inner walls, light weight and good flexibility, they are suitable for scenarios such as precision fluid transportation, electronic electrode protection, and micro-sensor sleeves.
      •Thick-Walled Pure Tantalum Tubes: Outer diameter 20mm—50mm, wall thickness 1.0mm—10mm. With high structural strength, strong pressure resistance and good stability, they are suitable for scenarios such as high-temperature equipment pipelines, chemical reactor connecting pipes, and fluid tubes for large experimental devices.
    • Classification by Processing State
    • Classification by Surface Treatment Method

    Specification Selection Table and Composition Table

    Pure Tantalum Tube Specification Selection Table
    Chemical Composition Table

    Product Type

    Specification Range

    Core Features

    Applicable Scenarios

    Laboratory-Grade Precision Pure Tantalum Tubes

    Outer diameter 3mm—10mm, wall thickness 0.3mm—0.5mm, length 100mm—1000mm

    Ultra-pure material (Ta≥99.95%), minimal dimensional tolerance, clean and impurity-free inner and outer walls, strong sealing performance, easy to process

    Laboratory precision fluid transportation, special reaction vessel pipelines, micro-electrode protection tubes, university research project tubes

    Industrial-Grade General-Purpose Pure Tantalum Tubes

    Outer diameter 10mm—20mm, wall thickness 0.5mm—2.0mm, length 100mm—1000mm

    High dimensional accuracy, clean surface, excellent corrosion resistance, stable processing performance, available in bulk supply

    Electronic component sleeves, conventional chemical equipment pipelines, medical device fluid tubes, high-temperature electrode protection tubes

    Industrial-Grade Heavy-Duty Pure Tantalum Tubes

    Outer diameter 20mm—50mm, wall thickness 2.0mm—10mm, length 100mm—1000mm

    High strength, high toughness, high temperature and pressure resistance, good welding performance, strong structural stability

    Chemical large reactor pipelines, aerospace high-temperature pipelines, high-pressure corrosive medium transportation tubes, large experimental device tubes

    Grade

    Impurity Content, Max. (≤)

    Ta

    Fe

    Si

    Ni

    C

    N

    O

    H

    Nb

    R05200

    ≥99.95

    0.01

    0.005

    0.01

    0.01

    0.01

    0.015

    0.0015

    0.1

    W

    Mo

    Ti

    　

    　

    　

    　

    　

    0.05

    0.02

    0.01

    　

    　

    　

    　

    　

    Characteristics

    01
    Extreme Corrosion Resistance
    Exhibits strong stability in harsh environments such as strong acids (except hydrofluoric acid), alkalis, molten salts, and high-temperature oxidizing atmospheres. A dense oxide film forms on the inner and outer walls, effectively resisting corrosion without contaminating the contact medium, making it the preferred material for pipeline transportation in strong corrosive environments.
    advantage-2
    02
    Excellent High-Temperature Stability
    Pure tantalum has a melting point of up to 2996℃, enabling long-term stable operation below 1400℃ and short-term resistance to 1800℃ high temperature. It maintains good mechanical properties and structural integrity in high-temperature environments, adapting to medium-high temperature and extreme high-temperature pipeline working conditions.
    advantage-2
    03
    Ultra-Pure Impurity-Free Material
    The R05200 grade has a tantalum content of ≥ 99.95% with extremely low impurity levels, which will not chemically react with the transported medium, ensuring transportation safety and stability. Especially suitable for high-precision electronics, laboratories, superconductivity and other scenarios with strict material purity requirements.
    advantage-2
    04
    Excellent Processing Performance
    Combining high strength and good ductility, it can realize various mechanical processing such as cutting, bending, welding, flaring and necking, meeting the preparation needs of precision pipeline components of different shapes and specifications, and adapting to complex assembly scenarios.
    advantage-2
    05
    High-Precision Dimensional Control
    Through precision cold rolling/drawing and finishing processes, the outer diameter and wall thickness tolerances can be controlled at the micron level, with high inner and outer wall flatness and good dimensional consistency, which can accurately match the assembly requirements of high-end equipment and improve pipeline sealing and stability.
    advantage-2
    06
    Superior Surface and Sealing Performance
    The inner and outer walls undergo multiple surface treatments, being smooth, free of oxide scale, scratches and impurities, which not only improves corrosion resistance but also ensures pipeline sealing effect, avoiding fluid leakage, and adapting to high-pressure and precision fluid transportation scenarios.
    advantage-2

    Production Process

    1. Raw Material Preparation: Tantalum ore is processed through mineral processing, enrichment, reduction and other processes to extract high-purity tantalum sponge, which is then refined and melted multiple times in a vacuum arc furnace to produce high-purity tantalum ingots (uniform composition, extremely low impurity content) complying with American Standard R05200 grade.
    2. Forging/Hot Rolling Billeting: The tantalum ingot is heated to a specific temperature and then forged, followed by hot rolling to make tantalum rod billets, eliminating internal defects of the ingot, improving material density, and laying the foundation for subsequent tubular forming.
    3. Piercing Forming: Precision piercing treatment is performed on the tantalum rod billet to make hollow tubular blanks, accurately controlling the inner diameter size to ensure that the concentricity of the tube blank meets the standard.
    4. Cold Rolling/Drawing Processing: The tubular blanks are subjected to multiple passes of cold rolling or drawing, with precise control of the deformation amount per pass, and gradually processed to near-finished product specifications to ensure the accuracy of outer diameter, wall thickness and concentricity.
    Specialized for Corrosion-Resistant Industrial (1)
    Specialized for Corrosion-Resistant Industrial (2)

    Production Process

    1. Intermediate Annealing: Intermediate annealing is inserted during the cold rolling/drawing process to eliminate processing internal stress, restore material plasticity, avoid cracking and deformation in subsequent processing, and ensure processing continuity.
    2. Finished Product Annealing: According to the customer's required processing state (soft state, hard state), the cold-rolled/drawn tantalum tubes undergo finished product annealing treatment. The annealing temperature, holding time and cooling rate are precisely controlled to ensure that the material performance meets the requirements.
    3. Surface Treatment: The annealed tantalum tubes are subjected to inner and outer wall surface treatment, which can choose pickling (removing oxide scale), bright annealing (improving finish) or polishing (achieving mirror effect) to ensure that the surface quality meets application requirements.
    4. Finishing and Inspection: The finished products are subjected to fixed-length cutting, straightening and deburring to make their size and shape meet customer requirements; subsequent strict inspections are carried out, including composition re-inspection, dimensional accuracy testing, surface quality testing, mechanical performance testing and sealing testing, to ensure that the product quality meets American Standard requirements, with attached material inspection reports and quality certificates.

    Application Fields

    01
    Electronic Industry
    Electrode protection tubes for semiconductor devices, transportation tubes for superconducting materials, shell tubes for precision capacitors, heat dissipation tubes for high-temperature electronic components. Relying on high purity, high conductivity and high-temperature stability, it ensures the stable operation of electronic devices in extreme environments.
    6511419c2763338526
    02
    Chemical Industry
    Transportation tubes for strong corrosive media, connecting tubes for chemical reactors, sampling tubes for precision chemical instruments, pipelines for strong acid and alkali treatment equipment. Utilizing extreme corrosion resistance to extend equipment service life and improve production safety.
    6511419c2763338526
    03
    Laboratory Research
    Fluid tubes for large precision experimental devices, pipelines for special reaction vessels, tubes for high-temperature and high-pressure corrosion simulation tests, micro-electrode protection tubes. The pure material is free of impurity contamination, ensuring experimental accuracy and data reliability.
    6511419c2763338526
    04
    Aerospace
    High-temperature fluid tubes for spacecraft, corrosion-resistant and wear-resistant pipelines for engines, supporting tubes for spacecraft thermal protection systems, special conductive pipelines. Combining high strength and extreme environment tolerance, it adapts to the strict requirements of the aerospace field.
    6511419c2763338526
    05
    Medical Devices
    Fluid transportation tubes for precision medical instruments, pipelines in contact with biological fluids, supporting tubes for implantable medical devices (requiring special processing). Resistant to biological fluid corrosion, the material is safe and non-toxic, complying with medical device hygiene standards.
    6511419c2763338526
    06
    New Energy Field
    Fluid tubes for high-temperature fuel cells, sealing pipelines for hydrogen energy-related equipment, transportation tubes for superconducting energy storage equipment, conductive sleeves for high-end batteries. Adapting to the purity and corrosion resistance requirements of new energy materials, it improves the performance and safety of energy equipment.
    6511419c2763338526

    Send Inquiry

    As a professional expert providing solutions for pure tantalum (R05200, complying with ASTM B708 American Standard) and various metal foils/strips, pipes, rods/wires, plates, and crucibles, Baoji Yunjie is always at your service! For a full range of metal materials and products such as titanium, tantalum, niobium, zirconium, nickel, aluminum, tungsten, and cobalt, please feel free to contact us!