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Baoji Towin Rare Metals Co.,Ltd
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Uniform Thickness Niobium Plate With Good Ductility 99.95% Purity

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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Uniform Thickness Niobium Plate With Good Ductility 99.95% Purity

Uniform Thickness Niobium Plate With Good Ductility 99.95% Purity
Uniform Thickness Niobium Plate With Good Ductility 99.95% Purity

Large Image :  Uniform Thickness Niobium Plate With Good Ductility 99.95% Purity

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 for Exporting
Delivery Time: 2-4weeks
Payment Terms: L/C, T/T,
Detailed Product Description
Dimension: Customized As Per Request Raw Material: Niobium Ingot ASTM B391
Shape: Plate, Condition: Annealed
Technology: High Vacuum EB Furnace Technology Boiling Point: 4742 ℃
Melting Point: 2468 ℃ Property: Heat-resistant, Corrosion Resistant, Good Ductility
High Light:

niobium foil


niobium sheet

Uniform Thickness Niobium Plate for Great Anti Corrosive 99.95% Purity



Application: niobium plates are used as anticorossion material for anti corrosive equipment in chemical industry etc


Manufacturing Standard: ASTM B393

Dimension: Customized upon request

Purity: 99.95%-99.99%



 Metallic impurities, ppm max by weight, Balance - Niobium

Element Fe Mo Ta Ni Si Ti W Zr Hf
Content 100 200 3000 100 50 300 50 200 200


Non-Metallic impurities, ppm max by weight

Element C H O N
Content 100 15 150 100


Mechanical properties for annealed strips and foils

 Ultimate Tensile Strength (MPa) 125
 Yield strength (MPa, 2% offeset) 73
 Elongation(%, 1-in gage length) thickness ≥0.254mm 20
thickness <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





Niobium has a very high melting point and it is corrosion resistant. Its melting point is 2468℃ and boiling point 4742℃. It is has the largest magnetic penetration than any other elements and it also has superconductive properties, and a low capture cross section for thermal neutrons. These unique physical properties make it useful in super alloys used in the steel, aerospace, shipbuilding, nuclear, electronics, and medical industries.


We produce R04200, R04210 niobium plates, and also with sheets, strips and foils which meet ASTM B 393 standard and the sizes can be customized as per your required dimensions.Our Niobium plate, sheet, strip and foil are manufactured by ASTM B391 niobium ingots.


We smelt the high purity Nb2O5 we sourcing from the Chinese biggest hydrometallurgy plant by means of aluminothermic reduction to produce niobium aluminum alloy. Then the niobium aluminum alloy will be smelted in high Vacuum EB furnace to produce niobium bars with Nb content 99.9% up, which will be smelted again in high Vacuum EB furnace to be purified and produce Niobium ingots with purity 99.95% up. The size can be tailored by the customers’ requirements.


We control our products quality through the raw material source till the whole production line and finally deliver to our customers in order to make sure you purchase our products with stable and same quality for each lot. We use Metallographic microscope, Hand-held X ray Fluorescence, Electronic tensile testing machine etc. instruments and tensile test to inspect the material and products and issue the COA for each lot. We have been certified by ISO9001:2015.


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.


Our Strength


  • More than 20 years’ experience in tantalum /niobium and its alloy smelting and deep processing
  • Stable raw material supply from Chinese biggest tantalum/niobium hydrometallurgy smelter
  • Only buy raw materials from ethically trustworthy source is officially confirmed by EICC certificate
  • Guarantee higher quality with lower price
  • Competitive price among the business peers
  • Advanced equipment and technology
  • Passed ISO 9001 (2015)
  • Full and strict quality control system,
  • Precise, sensitive, quick results Inspection instruments

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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