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Pure Tantalum Crucibles R05200 from China Suppliers - High-Temperature, Corrosion-Resistant Factory Solutions

R05200 pure tantalum crucibles are high-quality, hollow cylindrical containers crafted from commercially pure tantalum. Our manufacturing process utilizes high-purity materials and involves advanced techniques such as vacuum melting, forging, rolling, precision forming, annealing treatment, and surface finishing. The R05200 grade is characterized by a tantalum content of at least 99.95%, ensuring extremely low levels of impurities and eliminating harmful precipitation. This makes our crucibles ideal for applications with stringent requirements for material purity, high-temperature stability, and resistance to corrosion, These crucibles are a key component in high-end, high-temperature applications, combining the remarkable properties of tantalum with exceptional tolerance to strong acids, alkalis, molten salts, and corrosive gases, except hydrofluoric acid. With a melting point reaching 2996℃, our crucibles can function continuously below 1400℃ and withstand short-term exposure to temperatures up to 1800℃ while maintaining superior mechanical properties and structural integrity, thus preventing deformation or cracking, Featuring clean and smooth inner walls free of impurities, our tantalum crucibles provide excellent high-temperature erosion resistance, good sealing performance, and are easy to process and form. Widely employed in elite industries such as laboratory research, electronics, aerospace, and new material preparation, our crucibles are essential containers for the melting, purification, reaction, and processing of special materials. As a leading supplier and factory in China, we are committed to delivering exceptional products tailored to meet your high-end material needs

    Product specification

    Item Regular Parameter Details (Pure Tantalum Crucibles) Custom Parameter Range
    Outer Diameter Small crucibles: 20mm—50mm; Medium crucibles: 50mm—150mm; Large crucibles: 150mm—300mm Outer diameter 20mm—500mm and above; customizable special-shaped structures such as cylindrical, square, and conical
    Wall Thickness Small crucibles: 0.2mm—1.0mm; Medium crucibles: 1.0mm—2.0mm; Large crucibles: 2.0mm—5mm Wall thickness 5mm and above; customizable uniform wall thickness and bottom-thickened structures
    Height Small crucibles: 10mm—80mm; Medium crucibles: 80mm—200mm; Large crucibles: 200mm—400mm Height 10mm—800mm and above; aspect ratio and opening size customizable on demand
    Tolerance Range Outer diameter tolerance: ±0.05mm—±0.3mm; Wall thickness tolerance: ±0.03mm—±0.2mm (complying with ASTM B708 American Standard) Tolerance customizable according to precision requirements; micron-level precision control achievable for small crucibles
    Surface Roughness Polished surface: Ra≤0.5μm; Bright annealed surface: Ra≤0.8μm Inner and outer wall roughness customizable on demand

    Frequently Asked Questions

    Q1 What outer diameter sizes are available for pure tantalum crucibles?
    Standard pure tantalum crucibles are available in outer diameters ranging from 20mm to 300mm, covering small, medium, and large sizes. For custom orders, outer diameters of 500mm and above are achievable, including special-shaped structures such as cylindrical, square, and conical forms.
    Q2 What is the minimum wall thickness available for tantalum crucibles?
    The minimum wall thickness for small tantalum crucibles starts at 0.2mm. Medium crucibles range from 1.0mm to 2.0mm, and large crucibles from 2.0mm to 5mm. Custom configurations with wall thickness above 5mm, as well as bottom-thickened structures, are also available on request.
    Q3 What tolerance standards do your tantalum crucibles comply with?
    Our tantalum crucibles comply with the ASTM B708 American Standard. Standard outer diameter tolerance is ±0.05mm to ±0.3mm, and wall thickness tolerance is ±0.03mm to ±0.2mm. For high-precision applications, micron-level tolerance control is achievable for small crucibles upon request.
    Q4 Can the surface finish of tantalum crucibles be customized?
    Yes. Standard surface options include polished surface (Ra≤0.5μm) and bright annealed surface (Ra≤0.8μm). Both inner and outer wall roughness can be customized according to specific application requirements.
    Q5 What is the maximum height available for custom tantalum crucibles?
    Standard large crucibles are available up to 400mm in height. Custom orders can accommodate heights of 800mm and above. The aspect ratio and opening size are also fully customizable based on specific application demands.
    Q6 What shapes can be customized for tantalum crucibles beyond the standard cylindrical form?
    In addition to the standard cylindrical shape, custom tantalum crucibles can be manufactured in square, conical, and other special-shaped structures. Both uniform wall thickness and bottom-thickened designs are available, tailored to meet specific process or equipment requirements.

    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.