Tantalum & Tantalum Alloy Tube


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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 B521
MaterialTa, Ta10W, Ta2.5W, Ta40Nb,UNS R05200, R05400, R05255, R05252, R05240
ConditionAnnealed, Unannealed

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Specifications of Tantalum and Tantalum Tungsten Alloy Tubing/ Pipe:

Outer Diameter: 1.0~150mm
Wall Thickness: 0.2~5.0mm
Length: 200~6000mm
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)
Standatd: ASTM B521
Purity: 99.95% or 99.99%

Tantalum capillary tubing:

Out Diameter (OD): 0.2~8mm

Wall Thickness (WT): 0.015 ~ 1mm

Length (L): 1mm~1000mm

Tolerance: OD, +/-0.003mm. WT, +/-0.005mm. L, +/-0.05mm.

tantalum capillary

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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