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Tantalum & Tantalum Alloy Sheet

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The tantalum Sheet is made according to ASTM B708. Pure tantalum sheets 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

Purity99.95% ,99.99%
StandardASTM B708-98
MaterialTa, Ta10W, Ta2.5W, Ta40Nb,UNS R05200, R05400, R05255, R05252, R05240
ConditionAnnealed, Unannealed
Thickness0.07-10 mm
Width30-1000 mm
Length30-3000 mm
PackingIn Coil, Flat

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Tantalum (Ta) Sheet/ Tantalum Alloy Sheet

Tantalum sheets 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 sheets without difficulty to meet your specific needs. Tantalum is significantly corrosion resistant. Acids and bases cannot damage our sheets. Sheets fabricated from tantalum are used for instance within the chemical industry for water purification or as a diffusion barrier in x-ray machines.

Heeger Materials Inc supplies tantalum sheets in a length of up to 3.2 meters and in a width of up to 800 millimeters. Just contact us!

Specifications of Tantalum (Ta) Sheet

Product

Tantalum (Ta) Sheet

Size

Thickness: 0.001”- 0.1875” *

Width: > 6” *

Length:  TBD         

Material

UNS R05200, UNS R05400, R05252 Ta-2.5W, R05255 Ta-10W

Standard

ASTM B708

purity

> =99.95% or 99.99%

Temper

Cold rolled. Annealed/Un-annealed

*If the thickness >0.1875”, please check the tantalum (Ta) plate.

*If the width <6” , please check the Tantalum (Ta) & Tantalum Alloy Foil/Plate/Ribbon

.

Ta sheet tantalum tungsten alloy sheet     tantalum sheet  

Tantalum (Ta) Sheet Chemical Composition

Elment

R05200 (%,Max)

R05400(%,Max)

C

0.01

0.01

O

0.015

0.03

N

0.01

0.01

H

0.0015

0.0015

Fe

0.01

0.01

Mo

0.02

0.02

Nb

0.1

0.1

Ni

0.01

0.01

Si

0.005

0.005

Ti

0.01

0.01

W

0.05

0.05

ASTM B708: Dimensional Tolerances for Tantalum Sheet and Plate

Thickness A Tolerance
+/-, in. (mm)

Widthc B Tolerance (Slit)
+/-, in. (mm)

Tolerance on Sheared Lengths
in. (mm)

Thickness
of Ta
in. (mm)

< 6 in. 
(152.4 mm)

6 to 24 in.
(152.4 to
606.6 mm)

< 6 in. 
(152.4 mm)

6 to 24 in.
(152.4 to 
606.6 mm)

Length <12 in.
(304.8 mm)

Length >12 in.
(304.8 mm)

Plus

Minus

Plus

Minus

0.0051 to 0.010
(0.129 to 0.254)

.0005 
(0.0127)

_

0.012 
(0.305)

_

1/16 
(1.59)

0

3/32 (2.381)

0

0.011 to 0.015
(0.279 to 0.381)

.0007
(0.0178)

0.001 
(0.0254)

0.015 
(0.381)

0.015 
(0.381)

1/16 
(1.59)

0

3/32 (2.381)

0

0.016 to 0.020
(0.406 to 0.508)

.0008 
(0.0203)

0.0015 (0.0381)

0.015 
(0.381)

0.015 
(0.381)

1/16 
(1.59)

0

3/32 (2.381)

0

0.021 to 0.030
(0.533 to 0.762)

.0015 
(0.0381)

0.0025 (0.0635)

0.020 
(0.508)

0.025 
(0.635)

1/16 
(1.59)

0

3/32 (2.381)

0

0.031 to 0.060
(0.787 to 1.524)

.0025 
(0.0635)

0.0035 (0.0889)

0.025 
(0.635)

0.030 
(0.762)

1/16 
(1.59)

0

3/32 (2.381)

0

0.061 to 0.090
(1.549 to 2.286)

0.004 
(0.1016)

0.005 
(0.1270)

0.025 
(0.635)

0.035 
(0.889)

1/16 
(1.59)

0

3/32 (2.381)

0

0.091 to 0.125
(2.311 to 3.175)

0.006 
(0.1524)

0.007 
(0.1778)

_B

_B

1/16 
(1.59)

0

3/32 (2.381)

0

0.126 to 0.187
(3.200 to 4.750)

0.010 
(0.2540)

0.010 
(0.2540)

_B

_B

1/16 
(1.59)

0

3/32 (2.381)

0

A: Tolerance on the thickness of sheet over 24 inches (609.6 mm) wide shall be +/- 10% of the thickness
B: Tolerance on the width of the sheared sheet shall be +1/16 inch (1.59 mm), -0 inches (0 mm)

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.
  • Other tantalum alloys also can be customized.

Tantalum Sheet Ordering Information of Tantalum Sheet

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

Packing of the Tantalum Sheet

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

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Please include item quantity, size and purity.
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