Tantalum & Tantalum Alloy Foil/Plate/Ribbon


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Tantalum (Ta) is a high corrosion resistance metal that makes it a valuable material in a large number of chemical applications. Tantalum can be used in equipment construction sector, furnace construction, medical and electronics industry.

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Data sheet

Purity99.95% ,99.99%
StandardASTM B708-98
MaterialTa, Ta10W, Ta2.5W, Ta40Nb,UNS R05200, R05400, R05255, R05252, R05240
ConditionAnnealed, Unannealed
PackingIn Coil, Flat

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Tantalum (Ta) Plate

Tantalum plates are often deformed very well even far below room temperature. Whether for punching, cutting, deep drawing or pressing: you'll be able to machine our tantalum plates without difficulty to meet your specific needs. Tantalum is significantly corrosion resistant. Acids and bases cannot damage our plates. Plates fabricated from tantalum are used for instance within the chemical industry for water purification or as diffusion barrier in x-ray machines.


HM supply tantalum plates in a length of up to 3.2 meters and in a width of up to 800 millimeters. Just contact us!

Tantalum Ribbons

Tantalum Ribbons can be used as a light source material for halogen lamp, sodium lamp, auto lamp, quartz glass lamp, etc
tantalum ribbon


Chemical Composition:

R05400 (%,Max)
R05255 (Ta10W) (%,Max)0.010.0150.010.00150.–11.0
R05452 (Ta2.5W) (%,Max)0.010.0150.010.00150.–3.5
R05240 (Ta-40Nb) (%,Max)–

Tantalum and Tantalum Alloy

  • 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.

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