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Baoji Towin Rare Metals Co.,Ltd
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Superior Mechanical Properties Niobium Plate For Engineering Application 99.95% Up

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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Superior Mechanical Properties Niobium Plate For Engineering Application 99.95% Up

Superior Mechanical Properties Niobium Plate For Engineering Application 99.95% Up
Superior Mechanical Properties Niobium Plate For Engineering Application 99.95% Up

Large Image :  Superior Mechanical Properties Niobium Plate For Engineering Application 99.95% Up

Product Details:
Place of Origin: CHINA
Brand Name: TOWIN
Certification: ISO9001
Model Number: RO4210
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard for Exporting
Delivery Time: 2-4weeks
Payment Terms: L/C, T/T,
Detailed Product Description
Purity: Nb 99.95%(3N5) Shape: Plate, Sheet, Foil,strip
Surface: Polished, Smooth, Clean, Greaseless, Without Fissure Or Burr, No Mess Around, No Knotting, No Crossover Boiling Point: 4742 ℃
Melting Point: 2468 ℃ Property: Heat-resistant, Corrosion Resistant, Good Ductility
Description: Flat Products With Width≥6inch(152.4mm), Thickness ≥0.1875inch(4.76mm); Commodity Name: Niobium Plate
High Light:

niobium sheet


niobium foil

Superior Mechanical Properties Niobium Plate for Engineering Application 99.95%up





Niobium is a soft, grey, crystalline, ductile transition metal which has a very high melting point and it is corrosion resistant. Its melting point is 2468℃ and boiling point 4742℃. Because of the high anticorossion features, niobium plates are usually used in medical equipment production and used as biomaterial to make artificial bodies for injuries. 


For example, the niobium plate or niobium sheet can be used to make up the injured skull of a person. Some spare parts or main parts of  medical apparatus and instruments are made of niobium plate or niobium sheet. 



We are trying our best to innovate our techniques, enhance the product quality,  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.


Application: biomaterial for medical treatment or material for producing medical apparatus and instruments spare parts or main parts.



Manufacturing Standard: ASTM B393



 Metallic impurities, ppm max by weight, Balance - Niobium

Element Fe Mo Ta Ni Si Ti W Zr Hf
RO4200-1 100 200 3000 50 50 300 50 200 200


Non-Metallic impurities, ppm max by weight

Element C H O N
RO4210-2 100 15 250 100


Mechanical properties for annealed strips and foils

Ultimate Tensile Strength (MPa) 125
Yield strength (0. 2% offset) min, psi (MPa) 73
Elongation(%, 1-in gage length) thickness ≥0.01in (0.254mm) 20
thickness <0.01in (0.254mm) 15


 Dimensional Tolerance

 thickness (in) 0.129-0.254 0.279-0.381 0.406-0.508 0.508-0.762
 tolerance on thickness (±mm) W<152.4 0.0127 0.0178 0.0203 0.04
152.4≤W<609.6 0.0254 0.0254 0.0381 0.06
Tolerance on thickness (slit) (±mm) W<152.4 0.305 0.381 0.381 0.51
152.4≤W<609.6 - 0.381 0.381 0.64
 Torerance on length(±mm) L≤340.8 + 1.59 1.59 1.59 1.59
- 0 0 0 0
L>340.8 + 2.38 2.38 2.38 2.38
- 0 0 0 0


Our Strength

  • More than 20 years’ experiences in tantalum /niobium and its alloy smelting and deep processing, we make sure that we can provide you with the best quality products with competitive price.
  • The full and strict quality control system throughout the whole production line from the raw material till the products ready for delivery, we reject the unqualified products timely to make sure only qualified products can be received by our customers.
  • We have entered a long-term contract with the Chinese biggest tantalum/niobium hydrometallurgy smelter to assure our stable and high quality raw material. We don’t buy any sources so called conflict mineral. We only use tantalum and niobium raw materials from ethically trustworthy source is officially confirmed by EICC certificate.
  • ,We offer various kinds of services to our customers such as OEM, forging services, sintering services, laser cutting services, rolling services, milling services, trade in services etc. Please feel free to send us the enquiries as long as you require services.

1) Within fiberboard wooden case or box
2) As per request of the client

1) Shipping products by DHL or UPS or any press designated by the buyer
2) Transport by air
3) Delivery within 20-35days

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.


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