China Suppliers Factory - Industrial-Grade W1 Model Pure Tungsten Crucibles for High-Temperature Applications
Product specification
| Item | Details |
| 📦 Volume Range | 1ml–5000ml (standard); large crucibles with special volume (above 5000ml) can be customized. |
| 📐 Wall Thickness Range | 0.30mm–20.0mm (standard); special wall thickness can be customized. |
| 📏 Dimension Specifications |
Cylindrical: Inner Diameter 20–300mm, Height 30–500mm Square / Special-Shaped: Dimensions customized according to customer requirements. |
| 🎯 Tolerance Range |
Inner/Outer Diameter Tolerance: ±0.05–0.2mm (by precision grade) Wall Thickness Tolerance: ±0.03–0.1mm Customized per ASTM B760 or customer requirements. |
| 🌡️ Operating Temperature |
Normal Operating Temperature: ≤ 2400℃ Short-Term Maximum: Up to 2800℃ (under vacuum / inert gas environment). |
🔬 Ultra-High Temperature Capability
Supports continuous operation up to 2400℃ and short-term peaks of 2800℃ in controlled environments — ideal for demanding sintering and melting processes.
⚙️ Precision Dimensional Control
Manufactured to tight tolerances (±0.03mm wall thickness) and compliant with ASTM B760 international standards.
🛠️ Fully Customizable
Volume, wall thickness, shape, and dimensions are all available for custom engineering — from micro-scale 1ml to industrial 5000ml+ capacities.
Frequently Asked Questions
What volume range is available for these crucibles?
Standard crucibles are available from 1ml to 5000ml. For larger industrial applications requiring volumes above 5000ml, custom fabrication is available upon request.
What is the maximum operating temperature these crucibles can withstand?
The normal continuous operating temperature is ≤ 2400℃. Under vacuum or inert gas environments, they can withstand short-term peak temperatures of up to 2800℃.
Can the wall thickness and dimensions be customized?
Yes. Standard wall thickness ranges from 0.30mm to 20.0mm, and custom thicknesses outside this range are available. Dimensions for both cylindrical and special-shaped crucibles can be tailored to customer specifications.
What dimensional tolerances do these crucibles meet?
Inner and outer diameter tolerances range from ±0.05mm to ±0.2mm depending on precision grade. Wall thickness tolerances are ±0.03mm to ±0.1mm. All products can be manufactured to ASTM B760 or custom customer standards.
Are square or special-shaped crucibles available?
Yes. In addition to standard cylindrical crucibles (Inner Diameter 20–300mm, Height 30–500mm), square and special-shaped crucibles are fully customizable based on your engineering drawings or requirements.
What international standards do these crucibles comply with?
These crucibles are manufactured in compliance with ASTM B760 standards. Custom tolerance and specification requirements from individual customers can also be accommodated.
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.