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Tantalum Disc (Ta Disc)

Product Code : ME-Ta-5N-DI

Tantalum Disc is made by rolling high-purity metal tantalum. ATT provides high-quality Tantalum Disc at a competitive price, which can be used in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications. Pure Tantalum Disc is available in 99.95% to 99.999% purity. All Tantalum Disc follow ASTM B708.

CAS #: 7440-25-7

Linear Formula: Ta

MDL Number: MFCD00011252

EC No.: 231-135-5

Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.

Product Product Code Purity Size Contact Us
Tantalum DiscME-Ta-2N-DI99%Customize
Tantalum DiscME-Ta-3N-DI99.9%Customize
Tantalum DiscME-Ta-4N-DI99.99%Customize
Tantalum DiscME-Ta-5N-DI99.999%Customize

Product Information

Tantalum Disc is made by rolling high-purity metal tantalum. ATT provides high-quality Tantalum Disc at a competitive price, which can be used in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications. Pure Tantalum Disc is available in 99.95% to 99.999% purity. All Tantalum Disc follow ASTM B708.



Tantalum Disc Properties

Molecular Weight180.94
AppearanceSilvery-gray solid
Melting Point3017 °C
Boiling Point5458 °C
Density16.69 g/cm3 (20 °C)
Solubility in H2ON/A
Crystal Phase / Structureα: body-centered cubic (bcc) / β: tetragonal
Electrical Resistivity131 nΩ·m (20 °C)
Electronegativity1.5 Paulings
Heat of Fusion36.57 kJ/mol
Heat of Vaporization753 kJ/mol
Poisson's Ratio0.34
Specific Heat140 J/kg·K
Thermal Conductivity57.5 W/m·K
Thermal Expansion6.3 µm/m·K
Vickers Hardness870–1200 MPa
Young's Modulus186 GPa

Specifications Of Tantalum Disc

SizeDiameter 0.1" – 36” x Thick 0.04" - 10", customized
MaterialR05200; R05400
StandardASTM B708-2001

Chemical Composition for Tantalum Disc

BrandMain componentImpurity content(≤)

Applications of Tantalum Disc

* Used as a substitute for platinum.
* Used in manufacturing superalloys and electron-beam melting.
* Used in metallurgical, machinery processing, glass and ceramic industries.

Packaging of Tantalum Disc

Standard Packing:

Typical bulk packaging includes palletized plastic 5 gallon/25 kg.  pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities.  Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum.  Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes Special package is available on request.

ATTs’ Tantalum Disc is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

Chemical Identifiers

Linear FormulaTa
CAS 7440-25-7
MDL NumberMFCD00011252
EC No.231-135-5
Beilstein/Reaxys No.N/A
Pubchem CID23956
InchI IdentifierInChI=1S/Ta
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