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Baoji Towin Rare Metals Co.,Ltd
Home ProductsTantalum Rod

Tailored Size Perfect Finish Tantalum Rod , Semiconductor Use Round Ta Bar

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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Tailored Size Perfect Finish Tantalum Rod , Semiconductor Use Round Ta Bar

Tailored Size Perfect Finish Tantalum Rod , Semiconductor Use Round Ta Bar
Tailored Size Perfect Finish Tantalum Rod , Semiconductor Use Round Ta Bar

Large Image :  Tailored Size Perfect Finish Tantalum Rod , Semiconductor Use Round Ta Bar

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: Wooden case
Delivery Time: 2-3weeks
Payment Terms: L/C, T/T
Detailed Product Description
Purity: 99.95%(3N5)- 99.99%(4N) Size: Tailored
Manufacturing Standard: ASTM B365-98 Boiling Point: 5425℃
Melting Point: 2996 ℃ Density: 16.69 G/cm3
High Light:

tantalum round bar


ta rod

ASTM B365-98 Tantalum Rods , 99.95%(3N5)- 99.99%(4N) Purity , Semiconductor Use




Manufacturing Standard: ASTM B365-98

Purity: 99.95%-99.99%




 Metallic impurities, ppm max by weight, Balance - Tantalum

Element Fe Mo Nb Ni Si Ti W
Content 100 200 1000 100 50 100 50


Non-Metallic impurities, ppm max by weight

Element C H O N
Content 100 15 150 100


Mechanical properties for annealed Ta rods

 Diameter(mm) Φ3.18-63.5
 Ultimate Tensile Strength (MPa) 172
 Yield strength (MPa) 103
 Elongation(%, 1-in gage length) 25


 Dimension Tolerance

Diameter(mm)  Tolerance (±mm)
0.254-0.508 0.013
0.508-0.762 0.019
0.762-1.524 0.025
1.524-2.286 0.038
2.286-3.175 0.051
3.175-4.750 0.076
4.750-9.525 0.102
9.525-12.70 0.127
12.70-15.88 0.178
15.88-19.05 0.203
19.05-25.40 0.254
25.40-38.10 0.381
38.10-50.80 0.508
50.80-63.50 0.762


Features of tantalum rod:

  • High heat resistance
  • High tensile strength
  • Perfect finish

Application: used in laboratory equipment, as a substitute for platinum, in manufacturing super alloys and electron-beam melting, in metallurgical, machinery processing, glass and ceramic industries, as a superalloy additive in nickel-based alloys, for sputtering targets.




Towin Rare Metals produce RO5200, RO5400 with different dimensions of the tantalum rods. Moreover, we guarantee the tantalum purity is between 99.95% to 99.99% or higher. We also make sure of excellent properties performance. 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 each lot.



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. 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.

Contact Details
Baoji Towin Rare Metals Co.,Ltd

Contact Person: sales

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