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Baoji Towin Rare Metals Co.,Ltd
Home ProductsTantalum Tube

Electronic Materials Ta Seamless Tube 3N5 - 4N Purity Excellent Flexibility

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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Electronic Materials Ta Seamless Tube 3N5 - 4N Purity Excellent Flexibility

Electronic Materials Ta Seamless Tube 3N5 - 4N Purity Excellent Flexibility
Electronic Materials Ta Seamless Tube 3N5 - 4N Purity Excellent Flexibility

Large Image :  Electronic Materials Ta Seamless Tube 3N5 - 4N Purity Excellent Flexibility

Product Details:
Place of Origin: CHINA
Brand Name: TOWIN
Certification: ISO9001
Model Number: RO5200,RO5400
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard and Protective for Exporting
Delivery Time: 2-4 weeks
Payment Terms: L/C, T/T
Detailed Product Description
Purity: Ta 99.95%(3N5)-99.99%(4N) Condition: Annealed, Solid
Boiling Point: 5425℃ Melting Point: 2996 ℃
Heat Of Vaporization: 753 KJ/mol Appearance: Metallic Luster Appears Inner And External Tube Wall, No Oxidation Or Hydrogenation, No Scratch Or Transformation
Application: Tantalum Mechanical Parts, Semiconductor Materials Etc Size: Tailored
High Light:

tantalum pipe


ta tube

Tantalum Seamless Tubing , Tantalum Tubes , Seamless Tantalum Pipes , 99.99%(4N) Purity





Tantalum can be manufactured into welded tubing and seamless tubing, which are widely used in electronics, semiconductor, chemical, engineering, aviation, aerospace, medical, military industry.


The process of Seamless Tube/Pipe is fit for customized production. the advantages of welded tantalum tube are listed as below:

  • Available to produce small specification tubes/pipes and capillary tube/pipe
  • Excellent flexibility, available to produce various of specifications but small quantity products
  • Uniform performance of the whole tube/pipe



Metallic impurities, ppm max by weight, Balance - Tantalum

Element Fe Mo Nb Ni Si Ti W
RO5200 100 200 1000 100 50 100 500
RO5400 100 200 1000 100 50 100 500


Non-Metallic impurities, ppm max by weight

Element C H O N
Content 100 15 150 100


Mechanical properties for annealed tantalum tube

Ultimate Tensile Strength min(MPa) 207
Yield strength min (Mpa, 0.2% offset) 138
Elongation min (%, 1in or 2in gauge length) 25


Straightness of tantalum tubes/pipes



Maximus Radian
3-6 (0.91-1.83) 1/8 in (3.2mm)
6-8 (1.83-2.44) 3/16 in (4.8mm)
8-10 (2.44-3.05) 1/4 in (6.4mm)
10 up(3.05 up)

1/4 in/ any 10 ft (2.1mm/m)


Dimension Tolerance

Outer Diameter




Thickness Tolerance


25.4 0.102 10
25.4-38.1 0.127 10
38.1-50,8 0.152 10
50.8-63.5 0.178 10
63.5-88.9 0.254 10


Purity: 99.95%(3N5)-99.99%(4N)


Manufacturing Standard: ASTM B521-98

Application: Tantalum mechanical parts, semiconductor materials, high temperature resistance materials, anti-corrosion materials, electronic materials



Why choose us?


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 but lowest price among the high purtiy tantalum products suppliers.



We are doing our best to control a good quality and cut down our costs. For example,we have entered a long-term contract cooperation with the Chinese biggest tantalum/niobium hydrometallurgy smelter to assure our stable and high quality raw material. We have purchased the new advanced Vacuum EB furnace to product the high purity tantalum ingot and we also equipped with high vacuum Annealing Furnace, plate and strip rolling mill, High precision surface grinding machine etc.


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.


If you require customization service, you only need to send us your required material, purity, dimension, quantity or a drawing for an inquiry. We will reply you our best quote ASAP.


Contact Details
Baoji Towin Rare Metals Co.,Ltd

Contact Person: sales

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