Tantalum Capillary(Ta Capillary)

Product Code : ME-Ta-5N-CU

Tantalum capillary, also known as tantalum microtubule, tantalum tube. Often used in the manufacture of medical instruments, special instruments, etc. It can be used as filament lead tube of cathode insulator in X-ray tube, thermocouple tube, tantalum marking tape, also can be used in scientific research or industrial production.

CAS #: 7440-25-7

Linear Formula: Ta

MDL Number: MFCD00011252

EC No.: 231-135-5

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Product Information

Synonyms

Tantalum microtubule, tantalum tube

Specifications Of Tantalum Capillary

Size	0.2-8mm OD x 0.015-0.5mm WT x L
Material	R05200; R05400
Standard	ASTM B708
Purity	≥99%

ATT can design and manufacture according to customer's requirements beyond the regular dimension.

Chemical Composition for Tantalum Capillary

Brand	Main component	Impurity content(≤)
Brand	Ta	Fe	Si	Ni	W	Mo	Ti	Nb	O	C	H	N
R05200	Remainder	0.01	0.005	0.01	0.05	0.02	0.01	0.1	0.015	0.01	0.0015	0.01
R05400	Remainder	0.01	0.005	0.01	0.05	0.02	0.01	0.1	0.03	0.01	0.0015	0.01

Tantalum Capillary Properties

Molecular Weight	180.94
Appearance	Silvery-gray solid
Melting Point	3017 °C
Boiling Point	5458 °C
Density	16.69 g/cm³ (20 °C)
Solubility in H2O	N/A
Crystal Phase / Structure	α: body-centered cubic (bcc) / β: tetragonal
Electrical Resistivity	131 nΩ·m (20 °C)
Electronegativity	1.5 Paulings
Heat of Fusion	36.57 kJ/mol
Heat of Vaporization	753 kJ/mol
Poisson's Ratio	0.34
Specific Heat	140 J/kg·K
Thermal Conductivity	57.5 W/m·K
Thermal Expansion	6.3 µm/m·K
Vickers Hardness	870–1200 MPa
Young's Modulus	186 GPa

Applications of Tantalum Capillary

*Used for X-ray tube

*Thermocouple tube

*Tantalum marking tape cathode insulator filament lead tube

*Used for scientific research or industrial production.

Packaging of Tantalum Capillary

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 Capillary 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 Formula	Ta
CAS	7440-25-7
MDL Number	MFCD00011252
EC No.	231-135-5
Beilstein/Reaxys No.	N/A
Pubchem CID	23956
SMILES	[Ta]
InchI Identifier	InChI=1S/Ta
InchI Key	GUVRBAGPIYLISA-UHFFFAOYSA-N

Product	Product Code	Purity	Size	Contact Us
Tantalum Capillary	ME-Ta-2N-CU	99%	0.2-8mm OD x 0.015-0.5mm WT x L
Tantalum Capillary	ME-Ta-5N-CU	99.999%	0.2-8mm OD x 0.015-0.5mm WT x L
Tantalum Capillary	ME-Ta-NN-CU	Customize	0.2-8mm OD x 0.015-0.5mm WT x L