Tantalum (Ta) Rod


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Tantalum (Ta) Rod is made according to ASTM B365. Pure tantalum rods are available in 99.95% and 99.99% purity. We can also provide tantalum alloy rods, the common ones are Ta10W and Ta2.5W Rods.

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Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.

Data sheet

Diameter1 inch ~ 8 inch
Purity99.95% ,99.99%
StandardASTM B365; ASTM F560
MaterialTa, Ta10W, Ta2.5W, Ta40Nb,UNS R05200, R05400, R05255, R05252, R05240
ConditionAnnealed, Unannealed

More info

HM provides high-quality Tantalum and Tantalum Alloy Rod at a competitive price, which can be used in Scientific research or industrial production. Tantalum Rod can be shaped in tantalum round bar and tantalum square rod.

tantalum-ta-round-rod-barTantalum square bar - heegermaterials.com

Tantalum Rod Specifications


Tantalum and Tantalum Alloy Rod/Bar


Diameter: 0.125 inch ~ 2.5 inch*

Length:< 10 feet


UNS R05200, UNS R05400, R05252 Ta-2.5W, R05255 Ta-10W, Ro5240 Ta-40Nb


ASTM B365,  ASTM F560 (Medical Grade)


>=99.95% or 99.99%

 *If the diameter is <0.125”, please check our tantalum wire.

Tantalum Rod Inventory Dimensions

Catalog NumberChemical FormulaDiameterPurityTemper
TA007910Ta1.0 mm99.95% As Rolled
TA007915Ta1.5 mm99.95%Annealed
TA007917Ta1.7 mm99.95%Annealed
TA007920Ta2.0 mm99.95%Annealed
TA007926Ta3.0 mm99.95%Annealed
TA007930Ta5.0 mm99.95%Annealed
TA007935Ta6.35 mm99.95%Annealed
TA007940Ta10.0 mm99.95%Annealed
TA007942Ta12.7 mm99.95%Annealed
TA007945Ta16 mm99.95%As drawn
TA007948Ta18 mm99.95%Annealed
TA007950Ta20.0 mm99.95%Annealed
TA007955Ta25 mm99.95%As Rolled 
TA007960Ta30.0 mm99.95%Unannealed
TA007961Ta30 mm99.95% As Rolled
TA007970Ta40.0 mm99.95%Unannealed
TA007972Ta50 mm99.95%Annealed
TA007975Ta75 mm99.95%Annealed
TA007995Ta100 mm99.95% As Rolled

Tantalum and Tantalum Alloy UNS Grade

  • R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both
  • R05400, unalloyed tantalum, powder-metallurgy consolidation.
  • R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both.
  • R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both.
  • R05240, tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt.

Tantalum Rod Ordering Information

Orders for material under this specification shall include the following information:

  • Quantity (weight or number of pieces)
  • UNS grade (See above Tantalum and Tantalum Alloy UNS Grade)
  • Dimensions (Diameter and length)
  • Additions to the specification and supplementary requirements, if required

Tantalum Rod Packing

Our tantalum Rod and Tantalum Bar will be packed in a wooden case or carton supported with soft materials to ensure that the products thus packed will not shift inside the cases.

Inquiry to Heeger Materials

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