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Baoji Towin Rare Metals Co.,Ltd
Home ProductsNiobium Tube

Good Ductility 0.2 - 5.0mm Niobium Tube , Purity 99.99% Niobium Welded Pipe

China Baoji Towin Rare Metals Co.,Ltd certification
We appreciate your nice services and the perfect sputtering targets Towin supplied. We would like to enter into a long term cooperation with Towin Rare Metals.

—— Simon

Reliable factory providing excellent products and services. The specification and quality exceeds ourexpects. Very good, thanks!

—— Bruno Pascal

Very professional team and advanced equipment. Your price is beautiful and the products are perfect. The performance of niobium sheets and plates performs quite well !

—— James Daniel

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Good Ductility 0.2 - 5.0mm Niobium Tube , Purity 99.99% Niobium Welded Pipe

Good Ductility 0.2 - 5.0mm Niobium Tube , Purity 99.99% Niobium Welded Pipe
Good Ductility 0.2 - 5.0mm Niobium Tube , Purity 99.99% Niobium Welded Pipe

Large Image :  Good Ductility 0.2 - 5.0mm Niobium Tube , Purity 99.99% Niobium Welded Pipe

Product Details:
Place of Origin: CHINA
Brand Name: TOWIN
Certification: ISO9001
Model Number: RO4200,RO4210
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard Exporting Package or Upon Request
Delivery Time: 2-3 weeks
Payment Terms: L/C, T/T,
Detailed Product Description
Categories: Seamless Tubing, Welded Tubing Property: Heat-resistant, Corrosion Resistant, Good Ductility
Diameter: Diameter: φ 2.0-100mm Thickness: 0.2-5.0mm
Delivery Time: 2-3weeks Boiling Point: 4742 ℃
Melting Point: 2468 ℃ Manufacturing Standard: ASTM B394-98,
High Light:

nb tube


welded tube

Welded Niobium Tube , Purity 99.99%(4N) , Niobium Welded Tubing





We produce R04200, R04210 seamless tubes/pipes, welded tubes/pipes, capillary tubes which meet ASTM B 394-98 standard and the sizes can be customized as per your required dimensions. We will do our best to fulfill customers' needs and markets' demands by providing a great variety of customized products. Taking advantages of our high quality niobium oxide raw material, advanced equipment, innovative technology, professional team, we tailored your required products. You may tell us all your requirements and we dedicated in manufacturing upon your needs.




Grade: RO4200, RO4210
Purity:  99.95%(3N5)

be used for manufacturing high sodium lamps, aerospace and aviation industry, structural material for engine, reactor for chemistry, heat exchanger tube, built-in component of reactor and coating material.

Surface:  tube wall should be smooth, clean, greaseless, without fissure or burr, no no oxidation or hydrogenation, no scratch or transformation
Type: Welded tube/pipe




 Metallic impurities, ppm max by weight, Balance – Niobium

Element Fe Mo Ta Ni Si Ti W Zr
RO4200-1 40 50 500 20 40 20 50 200
RO4210-2 100 100 700 50 100 40 200 200


Non-Metallic impurities, ppm max by weight

Element C H O N
RO4200-1 35 12 120 30
RO4210-2 50 15 150 80


Mechanical properties for annealed tube/pipe,

Ultimate Tensile Strength (MPa) 125
Yield strength (0. 2% offset) min, psi (MPa) 59
Elongation(%, 1-in gage length) 25



We are trying our best to innovate our techniques, enhance the product quality, increase the product utilization rate, lower down the costs, improve our service to supply our customers’ with higher quality products but lower purchase costs. Once you choose us, you will obtain our stable high quality products, more competitive price than other suppliers and our timely, high efficient services.


For more inquiry and information, please don’t hesitate to contact us at any time. We also expect your visit to our factory to witness our whole infrastructure, technology, products and our team.

Contact Details
Baoji Towin Rare Metals Co.,Ltd

Contact Person: sales

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