Tantalum (Ta) & Tantalum Alloy Rod

HTTa0007

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Tantalum 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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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 is a chemical element with the symbol Ta and atomic number 73.  Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. 

  • Appearance: gray-blue
  • Melting point: 3290 K (3017 °C, 5463 °F)
  • Boiling point: 5731 K (5458 °C, 9856 °F)
  • Density (near r.t.): 16.69 g/cm3
  • When liquid (at m.p.): 15 g/cm3
  • The heat of fusion: 36.57 kJ/mol
  • The heat of vaporization: 753 kJ/mol
  • Molar heat capacity: 25.36 J/(mol·K)

Tantalum Rod Specifications

Product

Tantalum rod / Tantalum bar

Size

Diameter: 0.125 inch ~ 2.5 inch*

Length:< 10 feet

Material

Tantalum or alloy including: UNS R05200, UNS R05400, R05252 Ta-2.5W, R05255 Ta-10W, Ro5240 Ta-40Nb, Other customized alloy

Standard

ASTM B365;  ASTM F560 (Medical Grade)

purity

>=99.95% or 99.99%

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

tantalum-ta-rod-bar

Standard Dimensions of the Tantalum Rod

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 Rod Chemical Composition

ElmentCONHFeMoNbNiSiTiW
R05200(%,Max)0.010.0150.010.00150.010.020.10.010.0050.010.05
R05400 (%,Max)0.010.030.010.00150.010.020.10.010.0050.010.05
R05255 (Ta10W) (%,Max)0.010.0150.010.00150.010.020.10.010.0050.019.0–11.0
R05452 (Ta2.5W) (%,Max)0.010.0150.010.00150.010.020.50.010.0050.012.0–3.5
R05240 (Ta-40Nb) (%,Max)0.010.020.010.00150.010.0235.0–42.00.010.0050.010.05

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.

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.

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