Tantalum & Tantalum Alloy Wire

HTTa0005

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Tantalum wire is a wire-like tantalum material made of tantalum powder as raw material by plastic processing methods such as rolling and drawing. The tantalum wire is made according to ASTM B365. Pure tantalum wire is available in 99.95% and 99.99% purity. We can also provide tantalum alloy wire, the common ones are Ta10W  and Ta2.5W Rods.

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Data sheet

Diameter0.2mm+
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 (Ta) Wire at a competitive price, which can be used in Scientific research or industrial production. HM is also the only supplier of powder metallurgical grade Tantalum Tungsten Alloy wires including Ta2.5W and Ta10W. Tantalum wire is used the most in the electronics industry and is mainly used for anode leads of tantalum electrolytic capacitors. 

Tantalum Wire Specifications

Product

Tantalum Wire

Size

Diameter 0.01” x Length

In coil or Straight

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 & tantalum alloy rod.

 tantalum wire

Tantalum Wire Application

Tantalum wire is usually used as the lead wires on tantalum capacitors. Tantalum wire was the primary material used for filaments in light bulbs. It's conjointly utilized in the industry within the manufacture of rectifiers and capacitors. Other applications embody medical devices, chemical processes, and lighting applications. HM will provide tantalum wire with a premium surface finish, its superior performance in such applications.

Mechanical Properties for Tantalum Wire, Annealed Condition

WIRE
0.010 in. (0.254 mm) to 0.124 in. (3.14 mm) Diameter

Diameter
inches (mm)

Ultimate Tensile Strength
min., psi (MPa)

Elongation
min., %*

Unalloyed tantalum (R05200 and R05400)

0.010 (0.254) to 0.0149 (0.379)
0.015 (0.381) to 0.0249 (0.633)
0.025 (0.635) to 0.1240 (3.140)

35,000 (241)
35,000 (241)
30,000 (207)

10
15
20

97.5% tantalum 2.5% tungsten (R05252)

0.010 (0.254) to 0.0149 (0.379)
0.015 (0.381) to 0.0249 (0.633)
0.025 (0.635) to 0.1240 (3.140)

40,000 (276)
40,000 (276)
40,000 (276)

5
10
15

90% tantalum 10% tungsten (R05255)

0.030 (0.762) to 0.1240 (3.140)

70,000 (482)

15

60% tantalum 40% niobium (R05240)

0.010 (0.254) to 0.0149 (0.379)
0.015 (0.381) to 0.0249 (0.633)
0.025 (0.635) to 0.1240 (3.140)

40,000 (276)
40,000 (276)
40,000 (276)

10
15
20

* 10 in. (254 mm) gauge length to 0.050 in. (1.27 mm) diameter and 1 in. (25.4 mm) or 2 in. (50.8 mm) gauge
Length over 0.050 in. (1.27 mm) diameter

Permissible Variations in Dimensions for Rolled, Swagged or Drawn Wire ASTM B365

Diameter
inches (mm)

Tolerance
plus or minus inches (mm)

0.010 to 0.020 excl. (0.254 to 0.508)

0.0005 (0.013)

0.020 to 0.030 excl. (0.508 to 0.762)

0.00075 (0.019)

0.030 to 0.060 excl. (0.762 to 1.524)

0.001 (0.025)

0.060 to 0.090 excl. (1.524 to 2.286)

0.0015 (0.038)

0.090 to 0.125 excl. (2.286 to 3.175)

0.002 (0.051)

Tantalum and Tantalum Alloy UNS Grade

ü   R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both

ü   R05400, unalloyed tantalum, powder-metallurgy consolidation.

ü   R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both.

ü   R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both.

ü   R05240, tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt.

ü Other tantalum alloys also can be customized.

Tantalum Wire Ordering Information 

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

²  Quantity (weight or number of pieces)

²  UNS grade (See above Tantalum and Tantalum Alloy UNS Grade)

²  Dimensions (Diameter and length)

²  Additions to the specification and supplementary requirements, if required

Tantalum Wire Packing

Our Tantalum wire will be packed in a wooden case supported with soft materials to ensure that the products thus packed will not shift inside the cases.

  package

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