China Customized niobium capillary tube Wholesale Suppliers Factory

Product Introduction

When you need precision micro tubing for critical applications, our niobium capillary tube delivers exceptional performance and reliability. Made from high-purity niobium (>99.9%), these ultra-thin tubes offer superior corrosion resistance and excellent fabrication characteristics. Whether you're working in medical devices, chemical processing, or specialized industrial applications, our capillary tubes provide the precise dimensions and consistent quality your projects demand.

Our niobium tubes feature outstanding ductility and can be easily cold-worked at room temperature. This makes them ideal for applications requiring tight tolerances and complex geometries.

Key Features and Benefits

Superior Corrosion Resistance: Excellent chemical compatibility in harsh environments
High Purity: >99.9% niobium content ensures consistent performance
Exceptional Ductility: Easy to form and fabricate for complex applications
Precise Dimensions: Tight tolerances for critical applications
Biocompatible: Safe for medical and pharmaceutical uses
Low Thermal Neutron Capture: Ideal for specialized nuclear applications
Long-term Stability: Maintains properties over extended service life

Technical Specifications

Property	Value
Material Purity	Nb >99.9%
Outer Diameter (OD)	0.1–10 mm
Wall Thickness	0.01–0.5 mm
Maximum Length	Up to 3000 mm
Density	8.57 g/cm³
Melting Point	2468°C
Working Temperature	Room temperature to 1200°C
Standard	ASTM B 394
State	Hard, semi-hard and soft
Product Features	Excellent Corrosion Resistance , Good resistance to effect of heat
Packing	Plastic foam inside, wooden box outside
Delivery time	Normal production time about 15 days
Payment terms	30%TT in advance,70% balance before shipment

Chemical composition

Main elements(%)	Impurities (Maximum %)
Nb	Fe	Si	Ni	W	Mo	Ti	Ta	O	C	H	N
Remainder	0.004	0.004	0.002	0.005	0.005	0.002	0.07	0.015	0.0040	0.0015	0.003
Remainder	0.01	0.01	0.005	0.02	0.01	0.004	0.10	0.02	0.01	0.0015	0.01

Available Grades and Materials

We supply pure niobium capillary tubes in various purity grades to meet your specific requirements. Our standard offering includes high-purity niobium with minimal contaminating elements. Custom alloy compositions are available upon request for specialized applications.

Manufacturing Process

Our tubes are manufactured using advanced processing techniques including extrusion and drawing methods. The production process ensures consistent wall thickness and smooth internal surfaces. Each batch undergoes strict quality control to maintain dimensional accuracy and material properties.

Electron beam melting

Forging

Rolling

Machining and forming

Dimension inspection

Packaging

Applications and Industries

Medical & Pharmaceutical

Drug delivery systems
Implantable devices
Laboratory equipment

Chemical Processing

Corrosive fluid handling
High-temperature reactors
Analytical instruments

Electronics & Technology

Precision instrumentation
Vacuum systems
Specialized sensors

Be used in a wide range of industries.

Electronic devices

Medical implants

Steel industry

Chemical Processing

Aerospace and Defense

Energy and Environmental Engineering

Product Dimensions and Tolerances

Our manufacturing capabilities allow for precise control of dimensions with tolerances as tight as ±0.005mm on diameter and ±0.002mm on wall thickness. Custom lengths up to 3 meters can be supplied in single pieces.

Product Features in Detail

The excellent ductility of our tubes allows for complex forming operations without compromising structural integrity. The smooth surface finish reduces fluid friction and prevents contamination buildup. Our niobium capillary tube products maintain dimensional stability across wide temperature ranges.

Quality Assurance and Testing

Every tube undergoes comprehensive testing including dimensional verification, surface quality inspection, and material composition analysis. We maintain strict quality standards to ensure each product meets your specifications.

iso certificate

OEM & Customization Services

We offer complete customization services including:

Custom dimensions and tolerances
Specialized surface treatments
Cut-to-length services
Assembly and secondary operations

Packaging and Shipping

Products are carefully packaged to prevent damage during transit. We use protective materials and secure packaging methods. International shipping is available with proper documentation and certification.

Why Choose Us

With over 30 years of experience in rare metals, Shaanxi Chuanghui Daye Metal Material Co., Ltd. brings unmatched expertise to every project. Located in China's "Titanium Capital," we have established supply chains and manufacturing capabilities that ensure consistent quality and competitive pricing.

Our products are successfully used in over 50 countries worldwide. We focus on customer satisfaction through reliable delivery, technical support, and continuous improvement.

Certification

FAQs

Q: What is the minimum order quantity?

A: We accommodate both small prototype quantities and large production runs.

Q: Can you provide material certificates?

A: Yes, we provide complete material certifications with chemical analysis and mechanical properties.

Q: What surface finishes are available?

A: Standard finishes include as-drawn, polished, and cleaned surfaces. Custom finishes available upon request.

Q: How do you ensure dimensional accuracy?

A: We use precision measuring equipment and maintain strict process controls throughout manufacturing.

Contact Us

Ready to discuss your niobium capillary tube requirements? Our technical team is here to help you select the right specifications for your application.

Email: info@chdymetal.com

Mob./what'sapp.: 86-18049386902

Contact us today for quotes, technical specifications, or custom solutions. We look forward to becoming your trusted partner for high-quality niobium products.