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Baoji Towin Rare Metals Co.,Ltd
Home ProductsNiobium Rod

Smooth Surface Rolled Niobium Wire Durable High Voltage Sodium Lamp Use

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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Smooth Surface Rolled Niobium Wire Durable High Voltage Sodium Lamp Use

Smooth Surface Rolled Niobium Wire Durable High Voltage Sodium Lamp Use
Smooth Surface Rolled Niobium Wire Durable High Voltage Sodium Lamp Use

Large Image :  Smooth Surface Rolled Niobium Wire Durable High Voltage Sodium Lamp Use

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: 2-4 weeks
Payment Terms: T/T
Detailed Product Description
Purity: 99.95%(3N5)-99.99%(4N) Diameter: φ0.02-φ0.124 Inch
Recrystallization: 95%min Property: Heat-resistant, Corrosion Resistant, Good Ductility
Boiling Point: 4742 ℃ Melting Point: 2468 ℃
Density: 8.57 G/cm3 Delivery Time: 2-3weeks
Surface: Polished Appearance: Silvery
Material: Niobium Niobium Wire Specification: Φ1mm;Φ2.0mm;Φ3.0mm
Other Specification: Upon Request Shipping: DHL, UPS, FEDEX , TNT
High Light:

niobium wire


niobium bar

Rolled Niobium Wire , Niobium Rod , ASTM B392-99 , High Voltage Sodium Lamp Use



Application To manufacture niobium mechanical parts, electric materials, high voltage sodiumlamp and Jewelry; widely applied for pharmacy, semiconductor, aviation and aerospace, nuclear, high temperature assemblies and other fields.
Grade: RO4200,RO4210
Purity 99.95%(3N5)-99.99%(4N)
Surface: should be smooth, clean, greaseless, without fissure or burr, no mess around, no knotting, no crossover, no continuous pitches or scratches,
Manufacturing Standard:  ASTM B392-99




Metallic impurities, ppm max by weight, Balance - Niobium

Element Fe Mo Ta Ni Si W Zr Hf
Content 50 100 1000 50 50 300 200 200


Non-Metallic impurities, ppm max by weight

Element C H O N
Content 100 15 150 100


Mechanical properties for annealed wires 0.020in(0.508mm)-0.124in(3.14mm)

 Ultimate Tensile Strength (MPa) 125
 Yield strength (MPa, 2% offeset) /
 Elongation(%, 1-in gage length) 20


 Dimensional Tolerance for Rods and Wires

Diameter in (mm) Tolerance in (±mm)
0.020-0.030(0.51-0.76) 0.00075(0.019)
0.030-0.060(0.76-1.52) 0.001(0.025)
0.060-0.090(1.52-2.29) 0.0015(0.038)
0.090-0.125(2.29-3.18) 0.002(0.051)
0.125-0.187(3.18-4.75) 0.003(0.076)
0.187-0.375(4.75-9.53) 0.004(0.102)
0.375-0.500(9.53-12.7) 0.005(0.127)
0500-0.625(12.7-15.9) 0.007(0.178)
0.625-0.750 (15.9-19.1) 0.008(0.203)
0.750-1.000 (19.1-25.4) 0.010(0.254)
1.000-1.500 (25.4-38.1) 0.015(0.381)
1.500-2.000 (38.1-50.8) 0.020(0.508)
2.000-2.500 (50.8-63.5) 0.030(0.762)





Niobium wire is drawing and is worked cold from ingot to final diameter. Forging, rolling, swaging, and drawing are used singularly or in combination to reach the desired size. We produce niobium bar, rod, wire which are mainly used for producing special steel, high-temperature alloy, magnetic materials and other Nb-bearing alloy. And we also produce Niobium as rod, wire, plate, sheet, tube, disc, sputtering targets, machined parts and other shapes are available by request.


We produce R04200, R04210 bars, rods and wires which meet ASTM B 392-99 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.



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.


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.


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 been verified by ISO 9001Quality Management System Authentication. We now owns core equipment such as domestic advanced EB furnace, high vacuum Annealing Furnace, plate and strip rolling mill, High precision surface grinding machine etc. Advanced equipment not only produces our fine quality products but also ensure us provides the processing services such as smelting, forging services, sintering services, laser cutting services, rolling services, milling services etc.

Contact Details
Baoji Towin Rare Metals Co.,Ltd

Contact Person: sales

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