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High-Quality Vacuum Heating Furnaces & Components from China Suppliers | Precision Factory Solutions

As leading suppliers in China, we offer high-quality vacuum heating furnaces, thermal fields, and furnace liners that are essential for the high-temperature vacuum manufacturing industry. Our products are meticulously crafted from premium materials, including pure molybdenum, molybdenum-lanthanum, pure tungsten, and stainless steel. We specialize in providing customized integral vacuum heating furnaces along with complete thermal field systems and robust high-temperature furnace liner components. By utilizing the ultra-high melting points of tungsten and molybdenum, combined with the excellent corrosion resistance of stainless steel, our solutions efficiently cater to a full range of vacuum thermal processing requirements at temperatures between 1200–2000℃. Our furnaces are designed to ensure zero carbon powder pollution, uniform temperature distribution, and stable vacuum conditions. They are widely recognized in high-end industrial sectors such as aerospace, semiconductor crystal manufacturing, optical materials, powder metallurgy, and new energy, making us your go-to factory for precision high-temperature heat treatment, sintering, and crystal growth applications.

Product specification

Product Details

Item	Details
Thermal Field Inner Cavity Size	Square / Round: Width 50–2000mm, Height 80–3000mm, Depth 100–4000mm, full-size non-standard customization available
Molybdenum Substrate Thickness	Heating molybdenum strip: 0.1–2mm; Heat shield molybdenum foil: 0.05–0.5mm; Load-bearing furnace plate: 0.5–20mm
Heat Insulation Layers	2–10 layers of molybdenum radiation shields, matched with temperature and vacuum degree on demand
Long-Term Working Temperature	Stainless Steel Series ≤1200℃; Mo1 Pure Molybdenum Series ≤1600℃; Mo-La Molybdenum-Lanthanum Series ≤1900℃; Pure Tungsten Series ≤2000℃
Ultimate Temperature Resistance	Under vacuum / inert atmosphere: Stainless steel up to 1300℃, Molybdenum up to 2200℃, Tungsten up to 2400℃ for short-term operation
Vacuum Adaptability	Ultimate cold vacuum ≤5×10⁻³Pa, low outgassing at high temperature, excellent residual oxygen control
Dimensional Tolerance	Compliant with ASTM B386 standard, key assembly tolerance ±0.02–0.05mm, tighter tolerance available per customer drawings
Welding Process	Electron beam vacuum welding, pore-free welds with low leakage rate, suitable for high-vacuum working conditions

Frequently Asked Questions (FAQ)

Q: Can the thermal field inner cavity size be customized?

Yes, we offer full-size non-standard customization for both square and round configurations. Dimensions can be tailored up to 2000mm in width, 3000mm in height, and 4000mm in depth.

Q: What are the long-term working temperature limits for different materials?

The long-term working temperature thresholds are: Stainless Steel Series ≤1200℃; Mo1 Pure Molybdenum Series ≤1600℃; Mo-La Molybdenum-Lanthanum Series ≤1900℃; and Pure Tungsten Series ≤2000℃.

Q: How is the thickness of the molybdenum substrate determined?

Molybdenum substrate thicknesses are optimized by application: heating strips range from 0.1 to 2mm, heat shield foils from 0.05 to 0.5mm, and load-bearing furnace plates from 0.5 to 20mm.

Q: What level of vacuum adaptability do these components support?

Our components support an ultimate cold vacuum of ≤5×10⁻³Pa. They exhibit low outgassing characteristics at high temperatures and deliver excellent residual oxygen control.

Q: What standards do the dimensional tolerances follow?

All components comply with the ASTM B386 standard. Key assembly tolerances are maintained within ±0.02–0.05mm, with tighter tolerances available according to customer drawings.

Q: What welding process is used for high-vacuum conditions?

We utilize high-precision electron beam vacuum welding. This process produces pore-free welds with an exceptionally low leakage rate, making it ideal for high-vacuum environments.

Classification

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

Classification by Product Form

Precision Metal Discs

Manufactured by high-precision stamping technology with ultra-thin thickness, accurate dimensions and burr-free smooth surface. Covering complete specifications, they are widely applied in micro-precision devices, electronic contacts, semiconductor tooling and sensor core components. Full-size non-standard customization is supported with excellent batch consistency for mass production.

Precision Metal Cups

Available in three basic types: flat-bottomed, spherical and conical, with standard thicknesses in stock. Integral stamping ensures stable structure, high pressure resistance and anti-deformation performance. Specially matched for polycrystalline diamond compacts, super-hard cutting tools and diamond wire drawing molds, adapting to extreme working conditions of deep well drilling and precision mold processing.
Classification by Material Performance

Molybdenum / Tantalum Stamped Parts: Ultra-high melting point, stable high-temperature strength, suitable for ultra-high temperature heat treatment, crystal processing and aerospace high-end scenarios.

Zirconium / Niobium Stamped Parts: Excellent corrosion and erosion resistance, ideal for extreme corrosive working conditions in petroleum drilling and chemical industries.

Titanium / Nickel Stamped Parts: Lightweight, good biocompatibility and conductivity, perfect for medical devices and semiconductor precision components.
Classification by Machining Precision

Standard Precision Grade: Standard specifications in stock with stable tolerance and cost performance, suitable for general industrial mass production.

Ultra-High Precision Custom Grade: Custom die opening on demand, tolerance strictly controlled within ±0.001mm, accurate restoration of special-shaped structures, applicable for scientific research, high-end precision manufacturing and special equipment scenarios.

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

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.

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.

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.

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.

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.

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.

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

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

Application Fields

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.

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.

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.

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.

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.

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.

$Precision Refractory Metal Stamped Parts (Metal Discs & Metal Cups) (3)$

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.