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RO4200 RO4210 Niobium Plate Sputtering Materials ASTM B 393-05 standard

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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RO4200 RO4210 Niobium Plate Sputtering Materials ASTM B 393-05 standard

RO4200 RO4210 Niobium Plate Sputtering Materials ASTM B 393-05 standard
RO4200 RO4210 Niobium Plate Sputtering Materials ASTM B 393-05 standard

Large Image :  RO4200 RO4210 Niobium Plate Sputtering Materials ASTM B 393-05 standard

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: RO4200, RO4210 Shape: Plate
High Light:

niobium sheet


niobium strip

RO4200, RO4210 Niobium Plate , ASTM B 393-05 standard , Sputtering Materials

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 plates

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



Niobium is a soft, grey, crystalline, ductile transition metal which is used in various superconducting materials. Its melting point is 2468℃ and boiling point 4742℃. It has the characteristics of high temperature resistance, high corrosion resistance and good ductility. Therefore, niobium and its alloy are widely used in electronics, iron and steel industry, chemical, jewelry, superconducting, engineering, aviation, aerospace industry etc.

We customized the products according to the demands of our customers. We are always open and welcoming your inquiries or business requirements and ideas for a further discussion and cooperation. We will devote ourselves to give you our finest solution and products for a win-win business partnership.

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