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China Pure Tantalum Plates & Sheets Suppliers | R05200 Factory for High Purity Tantalum Products

R05200 pure tantalum plates and sheets are high-quality products manufactured in China from medium to thick gauges, typically ranging from 0.5mm to 20mm in thickness. These plates undergo a series of precision processing steps, including vacuum melting, hot rolling, cold rolling, and annealing, using commercially pure tantalum with a purity level of at least 99.95% (complying with American Standard R05200 grade). As a renowned American Standard grade for high-purity tantalum-based materials, R05200 plates and sheets boast exceptional corrosion resistance, making them highly durable against strong acids, alkalis, molten salts, and high-temperature gases, with the exception of hydrofluoric acid. This feature ensures long-term stability in aggressive corrosive environments without contaminating other materials, Additionally, these tantalum products exhibit excellent high-temperature stability, with a melting point reaching 2996℃, which allows for stable operation at temperatures below 1400℃ and short-term resistance up to 1800℃. They are characterized by their ultra-pure composition, balanced strength and toughness, and outstanding electrical and thermal conductivity. As leading suppliers and manufacturers in this field, our factory produces tantalum plates and sheets that meet the high demands of industries requiring superior material strength, precision, and adaptability to extreme conditions, R05200 pure tantalum plates and sheets are particularly well-suited for applications in high-end sectors, including chemical equipment, aerospace, electronics, laboratory research, and medical devices, making them essential components for any project requiring reliable performance in challenging environments
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    Product specification

    Product Details

    Item Regular Parameter Details Custom Parameter Range
    Thickness 0.5mm—20mm 20mm and above, customizable according to customer requirements
    Width 50mm—500mm 50mm—1000mm and above, customizable according to customer requirements
    Length 100mm—2000mm (single sheet) Customizable on demand (single sheet, large block plate available)
    Tolerance Range Thickness tolerance: ±0.03mm—±0.1mm; Width tolerance: ±0.5mm—±2.0mm (complying with ASTM B708 American Standard) Tolerance can be customized according to customer precision requirements
    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
    Precision Dimensions

    Strict dimensional control with thickness tolerance as tight as ±0.03mm, meeting ASTM B708 American Standard requirements.

    Wide Size Range

    Available from 0.5mm to 20mm+ thickness and 50mm to 1000mm+ width to accommodate diverse application needs.

    Superior Surface Finish

    Multiple surface options including polished (Ra≤0.3μm), bright annealed (Ra≤0.8μm), and pickled (Ra≤1.2μm) finishes.

    Full Customization

    All parameters including dimensions, tolerances, and surface roughness can be fully customized to meet specific project requirements.

    ASTM B708 Compliant

    Products comply with ASTM B708 American Standard, ensuring consistent quality and reliability for industrial applications.

    Large Block Plates

    Single sheet and large block plate formats available, supporting both standard orders and oversized custom production runs.

    Frequently Asked Questions
    Q What is the standard thickness range available, and can thicker plates be ordered?
    The standard thickness range is 0.5mm to 20mm. For applications requiring greater thickness, custom orders of 20mm and above are fully supported and can be manufactured according to your specific requirements.
    Q What tolerance levels can be achieved for thickness and width?
    Standard thickness tolerance ranges from ±0.03mm to ±0.1mm, and width tolerance ranges from ±0.5mm to ±2.0mm, all complying with ASTM B708 American Standard. For projects requiring tighter precision, custom tolerance specifications are available upon request.
    Q What surface finish options are offered, and which is most suitable for high-precision applications?
    Three standard surface finishes are available: polished surface (Ra≤0.3μm), bright annealed surface (Ra≤0.8μm), and pickled surface (Ra≤1.2μm). For high-precision or aesthetically demanding applications, the polished surface with Ra≤0.3μm is the recommended choice. Custom surface roughness values can also be arranged on demand.
    Q Is it possible to order large block plates or oversized single sheets?
    Yes. In addition to standard single sheets up to 2000mm in length, large block plates are available and can be customized on demand. Both format and dimensions can be tailored to suit your production or project specifications.
    Q Do your products comply with international quality standards?
    Yes. All products comply with ASTM B708 American Standard, which governs dimensional tolerances and quality requirements. This ensures consistent, reliable performance across all industrial and commercial applications.
    Q Can all specifications — size, tolerance, and surface finish — be customized simultaneously?
    Absolutely. All parameters including thickness, width, length, dimensional tolerance, and surface roughness can be customized simultaneously to match your exact engineering or application requirements. Please contact our team with your specifications for a tailored solution.

    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

    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.