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Baoji Towin Rare Metals Co.,Ltd
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Good Ductility Nb Plate Super - Conductive Target Material For Optics Industry

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 Nb Plate Super - Conductive Target Material For Optics Industry

Good Ductility Nb Plate Super - Conductive Target Material For Optics Industry
Good Ductility Nb Plate Super - Conductive Target Material For Optics Industry

Large Image :  Good Ductility Nb Plate Super - Conductive Target Material For Optics Industry

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 99.9%(3N) Condition: Annealed
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
Delivery Time: 2-3weeks Description: Flat Products With Width≥6inch(152.4mm), Thickness ≥0.1875inch(4.76mm);
Grade: RO4210-2 Shape: Foil
High Light:

niobium sheet


niobium foil

Good Ductility Niobium Plate , Super - Conductive For Optics Industry , Target Material
Niobium foil is niobium metal foils with thickness below 0.005inch (0.13mm). Most foils are produced from cast ingots which are used in coating and thin film Chemical Vapor Deposition and Physical Vapor Deposition processes.  We produce R04200, R04210 plates, sheets, strips and foils which meet ASTM B 393-05 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.
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.


Grade:RO4200. RO4210
Manufacturing Standard: ASTM B393-05, GB/T 3630-2006
Application: Used for chemical anticorrosion, capacitor parts, target material for optics industry, superconducting material, electrical light material, medical treatment, refrigeration, artificial jewelry and alloy addition.
 Metallic impurities, ppm max by weight, Balance - Niobium

Element Fe Mo Ta Ni Si Ti W Zr Hf
RO4200-1 50 100 1000 50 50 200 300 200 200
RO4210-2 100 200 3000 50 50 300 50 200 200

Non-Metallic impurities, ppm max by weight

Element C H O N
RO4200-1 100 15 150 100
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

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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