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Tantalum Sheet (Ta Sheet)


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The tantalum and tantalum alloy sheets are made according to ASTM B708. Heeger Materials offers top-quality Tantalum Sheets at competitive prices with purities of 99.95% and 99.99%, providing customization options to meet specific needs. Additionally, Tantalum Alloy Sheets, the common ones (Ta10W and Ta2.5W Sheets) are also part of our product range.

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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

MaterialsTantalum & Tantalum Alloy
Purity99.95% ,99.99%
StandardASTM B365, ASTM F560 (Medical Grade)
ConditionAnnealed, Unannealed

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The tantalum sheets come in pure tantalum and tantalum-tungsten alloy variations. They feature bright surfaces with no cracks, peeling, folding, oxidation, or impurities pressed in. Tantalum sheets exhibit excellent deformability even at temperatures below room temperature, allowing for easy punching, cutting, drawing, and pressing. These sheets can be machined effortlessly to meet your specific requirements.

Tantalum Sheet (Ta Sheet)

Tantalum and Tantalum Alloy Sheet Specifications


Tantalum Sheet and Tantalum Alloy Sheet


Thickness 0.001”- 0.1875” x Width > 6”  x Length


UNS R05200, UNS R05400, R05252 Ta-2.5W, R05255 Ta-10W, R05240 Ta-40Nb


ASTM B365, ASTM F560 (Medical Grade)


>=99.95% or 99.99%

 *If the thickness is>0.1875”, please check the tantalum (Ta) plate. *If the width is <6”, please check the Tantalum (Ta) & Tantalum Alloy Foil/Plate/Ribbon.

Tantalum and Tantalum Alloy Sheet Application

  • Used for instance within the chemical industry for water purification or as a diffusion barrier in x-ray machines.
  • Used to manufacture engine components, missile parts, and spacecraft components.
  • Used as components in semiconductor manufacturing equipment.
  • Used in equipment for handling strong acids and alkalis.

Tantalum and Tantalum Alloy UNS Grade

  • R05200, unalloyed tantalum, electron-beam furnace 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 vacuum-arc melt, or both.
  • R05240, tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt.
  • Other tantalum alloys also can be customized.

Tantalum Sheet Order Information

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

  • Quantity (weight, number of pieces, or other suitable measures of quantity)
  • UNS grade (See above Tantalum and Tantalum Alloy UNS Grade)
  • Dimensions (Thickness, width, and length)
  • Additions to the specification and supplementary requirements, if any

Tantalum Sheet Packing

Tantalum Sheets will be carefully placed in wooden cases or cartons with additional support from soft materials to prevent any shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.

Tantalum (Ta) Sheet Packing

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