High-Purity Molybdenum Rods/Wires - China Factory Suppliers for Aerospace & Electronics
Product specification
Molybdenum Rod & Wire — Specifications Overview
| Item | Parameters of Molybdenum Rod | Parameters of Molybdenum Wire |
|---|---|---|
| Diameter Range | 3mm–200mm (conventional), special-shaped customizable | 0.2mm–5mm (conventional), customizable for special requirements |
| Length Range | 100mm–6000mm, fixed-length error ±2mm | Coiled wire (above 100m), straight wire (100mm–2000mm) |
| Tolerance Range | Diameter ≤20mm: ±0.05mm; 20mm–80mm: ±0.1mm; >80mm: ±0.2mm | 0.2mm–1mm: ±0.003mm; >1mm: ±0.01mm |
| Implementation Standard | ASTM B386, GB/T 4182-2003 | ASTM B387, GB/T 4181-2003 |
High Purity Material
Molybdenum content ≥99.95%, ensuring superior electrical and thermal conductivity for demanding industrial applications.
Precision Tolerances
Tight dimensional control across all diameter ranges, meeting ASTM B386/B387 and GB/T standards for consistent quality.
Wide Size Range
Rod diameters from 3mm to 200mm; wire from 0.2mm to 5mm — covering a broad spectrum of engineering needs.
Custom Fabrication
Special-shaped rods and custom wire lengths available on request, accommodating unique project specifications.
High Temperature Resistance
Molybdenum maintains structural integrity at temperatures exceeding 1600°C, ideal for furnace and aerospace environments.
Reliable Supply Chain
Consistent stock availability with flexible order quantities, ensuring on-time delivery for production schedules.
❓ Frequently Asked Questions
QWhat is the standard diameter range available for molybdenum rods?
Conventional molybdenum rods are available in diameters from 3mm to 200mm. Special-shaped or non-standard dimensions can be customized upon request to meet specific engineering requirements.
QWhat tolerances can be achieved for molybdenum wire?
For molybdenum wire with diameters between 0.2mm and 1mm, the tolerance is ±0.003mm. For diameters greater than 1mm, the tolerance is ±0.01mm, ensuring high precision for fine wire applications.
QWhich international standards do your molybdenum products comply with?
Our molybdenum rods comply with ASTM B386 and GB/T 4182-2003, while molybdenum wires meet ASTM B387 and GB/T 4181-2003 standards, ensuring internationally recognized quality benchmarks.
QCan molybdenum wire be supplied as coiled wire or straight lengths?
Yes. Molybdenum wire is available in coiled form (100 meters or more per coil) as well as straight wire cut to lengths between 100mm and 2000mm, depending on your application needs.
QWhat is the fixed-length error tolerance for molybdenum rods?
Molybdenum rods can be produced in lengths from 100mm to 6000mm with a fixed-length error of ±2mm, making them suitable for precision cutting and machining operations.
QAre custom or special-shaped molybdenum products available?
Absolutely. Both molybdenum rods and wires can be produced in custom dimensions and special shapes beyond the conventional ranges. Please contact us with your specific technical drawings or requirements for a tailored quotation.
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 |
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
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.



