73 180.950
Ta
Tantalum

Tantalum , Ta

Tantalum is a chemical element with the symbol Ta and atomic number 73. A rare, hard, blue-grey, lustrous, transition metal, tantalum is highly corrosion-resistant and occurs naturally in the mineral tantalite.

 

 

  • Listed below are a selection of some more commonly used sizes. If you do not see anything that suits your needs, please click on the custom request forms and send us your requirements.
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T1-5001-M
Ta Pellets 6mm dia. x 6mm 99.95% PureTantalum
T1-5002-M
Ta Pellets 3mm dia. x 3mm long 99.95% PureTantalum
T1-5005-M
SuperVac© Tantalum Oxide Ta2O5 3-12mm pieces (sintered), 99.95%
T1-5006-M
Ta2O5 8-9mm dia. x 4-5mm sintered pieces 99.95%Tantalum Oxide
T1-5008-M
Ta2O5 1-4mm pieces 99.99%+ Pure Grey colourTantalum oxide
T1-5010-M
Ta Pellets 3.18mm dia. x 3.18mm 99.95% PureTantalum
T1-5012-M

Ta 3-20mm pieces 99.95% Pure

Tantalum

T1-5013-M
Ta2O5 Pieces 1-4mm 99.99% PureTantalum oxide
T1-5014-M

Ta 1-6mm pieces 99.95% Pure

Tantalum

T1-10008-P
Tantalum Carbide TaC0.88 -325mesh (typ. =10 microns), 99.5%
T1-10009-P

TaC -200 +325 mesh 99% Pure

Tantalum Carbide

T1-10010-P
Tantalum Carbide TaC -325 mesh (typ. =10 microns), 99.5%
T1-10011-P

TaC -325 mesh +10 microns 99% Pure

Tantalum Carbide

T1-10012-P
Tantalum Carbide Ta2C -325 mesh (typ. =10 microns), 99.5%
T1-10013-P

TaCl5 -4 mesh 99.99% Pure

Tantalum Chloride UN1759 8 PG II

T1-10014-P

TaF3 -4 mesh 99.9% Pure

Tantalum Fluoride UN1759 8 PG II

T1-10016-P

Ta2O5 -400 mesh 99.999% Pure

Tantalum Oxide

T1-10017-P
TaN Powder -325 Mesh (<10 Microns) 99.5% pureTantalum Nitride
T1-10018-P

Ta2O5 -325 mesh 99.99% Pure

Tantalum Oxide

T1-10019-P

Ta2O5 -325 mesh 99.5% Pure

Tantalum Oxide

T1-10020-P

Ta2O5 <5 microns average 99.995% Pure

Tantalum Oxide

T1-10022-P
Tantalum Selenide TaSe2 -325 mesh (typ. =microns), 99.8%
T1-10026-P
Tantalum Sulphide TaS2 -325 mesh (typ. =10 microns), 99.9%
T1-10027-P
Tantalum Telluride TaTe2 -325mesh (typ. =10 microns), 99.8%
T1-10032-P
TaN Powder -3 Microns 99.5% PureTantalum Nitride
T1-2000-R1
Ta Rod 1.5mm dia. x 1000mm long 99.95% PureTantalum
T1-2000-R2
Ta Rod 2mm dia. x 5mm long 99.95% PureTantalum
T1-2000-R3
Ta Rod 2mm dia. x 50mm long 99.95% PureTantalum
T1-2000-R4
Ta Rod 2mm dia. x 75mm long 99.95% PureTantalum
T1-2001-R1
Ta Rod 3mm dia. 100mm long 99.95% PureTantalum
T1-2001-R2
Ta Rod 3mm dia. x <=200mm long 99.95% PureTantalum
T1-2002-R1
Ta Rod 6mm dia. x 50mm long 99.99% PureTantalum
T1-2003-R1
Ta Rod 10mm dia. x 100mm long 99.9% PureTantalum
T1-2004-R1
Ta Rod 15.88mm dia. x 240mm long 99.95% PureTantalum
T1-2005-R1

Ta Rod 6.35mm dia. 99.9% Pure

Tantalum

T1-2006-R1
Ta Rod 25.4mm x dia. x 50.8mm long 99.95% PureTantalum
T1-2006-R2
Ta Rod 25mm dia. x 100mm long 99.95% PureTantalum
T1-2007-R1
Ta Rod 10mm dia. x 300mm long 99.9% PureAnnealedTantalum
T1-2008-R1
Ta Rod 20mm dia. x 200mm long 99.9%+ PureTantalum
T1-2009-R1
Ta Rod 4mm dia. x 100mm longTantalum
T1-2009-R2
Ta Rod 4mm dia. x 300mm long 99.95% PureTantalum
T1-2010-R1
Ta Rod 6mm dia. 99.99% PureTantalum
T1-2011-R1
Ta Rod 5mm dia. x 1000mm long 99.95% PureTantalum
T1-2012-R1
Ta Rod 6.0mm dia. x 150mm long 99.95% PureTantalum
TA-SHT-0.38

Ta sheet Thickness 0.38mm (0.015")

Tantalum

TA-SHT-0.5

Ta sheet Thickness 0.50mm (0.020")

Tantalum

TA-SHT-0.76

Ta sheet Thickness 0.76mm (0.030")

Tantalum

TA-SHT-1.0

Ta sheet Thickness 1.0mm (0.040")

Tantalum

TA-SHT-1.5

Ta sheet Thickness 1.50mm (0.060")

Tantalum

TA-SHT-12.7

Ta sheet Thickness 12.70mm (0.500")

Tantalum

TA-SHT-19

Ta sheet Thickness 19.05mm (0.750")

Tantalum

TA-SHT-25.4

Ta sheet Thickness 25.40mm (1")

Tantalum

TA-SHT-3.18

Ta sheet Thickness 3.18mm (0.125")

Tantalum

TA-SHT-6.35

Ta sheet Thickness 6.35mm (0.250")

Tantalum

TA-SHT-9.5

Ta sheet Thickness 9.50mm (0.375")

Tantalum

T1-1004-W1
Ta Wire 0.125mm dia. 99.9% PureTantalum
T1-1006-W
Ta Wire 0.3mm dia 99.95% PureTantalum
T1-1007-W
Ta Wire 0.2mm dia. 99.98% PureTantalum
T1-1009-W2

Ta Wire 0.25mm dia. 99.99% Pure

Tantalum

T1-1009-W3

Ta Wire 0.4mm dia. 99.99% Pure

Tantalum

T1-1010-W1
SuperVac© Tantalum Wire Ta 0.381mm (0.015") dia.99.98% pure
T1-1010-W3

Ta Wire 0.4mm dia. 99.99% Pure

Tantalum

T1-1011-W
SuperVac© Tantalum Wire Ta 0.5mm dia. 99.98% purity
T1-1011-W2
SuperVac© Tantalum Wire Ta 0.5mm dia. 99.95% purity
T1-1013-W

Ta Wire 1mm dia. 99.98% Pure

Tantalum

T1-1013-W1
SuperVac© Tantalum Wire Ta 1.0mm diameter 99.9%purity, Temper annealed - Vacuum Melted
T1-1014-W
SuperVac© Tantalum Wire Ta 0.8mm dia. 99.95% purity
T1-1015-W
SuperVac© Tantalum Wire Ta 0.060" (1.5mm) dia. 99.98% purity
T1-1016-W

Ta Wire 2mm dia. 99.98% Pure

Tantalum

T1-1019A-W
SuperVac© Tantalum-Niobium Wire Ta-Nb 40 wt% 0.6mm dia., 99.95%
T1-1020-W

Ta Wire 3mm dia. 99.9%+ Pure

Tantalum

T1-9000-D

Tantalum Ta,

Available Purities 99.9%, 99.95%, 99.99%

T1-9001-D

Tantalum Pentoxide-Thulium oxide Ta2O5-Tm2O3,

Available in various ratios wt% or at%, Purity 99.99%

T1-9002-D

Tantalum Carbide TaC,

Purity 99.5%

T1-9003-D

Tantalum Nitride TaN,

Available Purities 99.5%, 99.9% & 99.95%

T1-9004-D

Tantalum Pentoxide Ta2O5,

Purity 99.99%

T1-9005-D

Tantalum-Aluminium-Nitride Ta-AlN,

Available in various ratios wt% or at%, Purity 99.9%

T1-9006-D

Tantalum-Tungsten Ta-W,

Available in various ratios wt% or at%, Purity 99.95%

T1-9009-D

Tantalum Telluride TaTe2,

Purity 99.95%

T1-9012-D

Tantalum Pentoxide-Zirconium oxide-Aluminium oxide Ta2O5-ZrO2-Al2O3,

Available in various ratios wt% or at%, Purity 99.95%

T1-9013-D

Tantalum Pentoxide-Ytterbium oxide Ta2O5-Yb2O3,

Available in various ratios wt% or at%, Purity 99.99%

T1-9014-D

Tantalum-Aluminium-Yttrium Ta-Al-Y,

Available in various ratios wt% or at%, Purity 99.5% & 99.9%

T1-9015-D

Tantalum Pentoxide-Sodium oxide Ta2O5-Na2O,

Available in various ratios wt% or at%, Purity 99.99%

T1-9016-D

Tantalum boride TaB2,

Available Purities 99.5% & 99.9%

T1-9017-D

Tantalum-Silicon Ta-Si,

Available in various ratios wt% or at%, Purity 99.95%

T1-9018-D

Tantalum boride-Aluminium, TaB2-Al,

Available in various ratios wt% or at%, Purity 99.9%

TA-F-0.1

Ta Foil Thickness 0.1mm (0.004") Purity 99.95%

Tantalum

TA-F-0.2

Ta Foil Thickness 0.2mm (0.008") Purity 99.95%

Tantalum

T1-9000-D9
Ta TRG 57mm dia. x 0.1mm Tk 99.95% PureTantalum
$198.00/PCS
5 PCS in stock
Select Qty
T1-9000-D38
Ta TRG 76.2mm dia. x 3mm Tk 99.9% PureTantalum
T1-9000-D47
Ta TRG 76.2mm dia. x 3mm Tk 99.95% PureTantalum
$191.40/PCS
4 PCS in stock
Select Qty
T1-9000-D60
Ta TRG 50.8mm dia. x 3.18mm Tk 99.95% PureTantalum
T1-9000-D99
Ta TRG 76.2mm dia. x 6mm Tk 99.95% PureTantalum
T1-9002-D1
TaC TRG 76.2mm dia. x 3mm Tk 99.5% PureTantalum Carbide
T1-9002-D6
TaC TRG 50.8mm dia. x 6.35mm Tk 99.9% PureTantalum Carbide
T1-9003-D2
TaN TRG 50.8mm dia. x 6mm Tk 99.5% PureTantalum Nitride
T1-9003-D3
TaN TRG 50.8mm dia. x 6.35mm Tk 99.95% PureTantalum Nitride
T1-9003-D5
TaN TRG 25.4mm dia. x 6.35mm Tk 99.9%Tantalum Nitride
T1-9003-D6
TaN TRG 50.8mm dia. x 3mm Tk 99.5% PureTantalum nitride
T1-9003-D7
TaN TRG 101.6mm dia. x 3mm Tk 99.9% PureTantalum Nitride
T1-9003-D9
TaN TRG 50.8mm dia x 4mm Tk 99.5% PureTantalum nitride
T1-9004-D10
Ta2O5 TRG 50.8mm dia. x 3.175mm Tk 99.99% PureTantalum pentoxide
T1-9004-D11
Ta2O5 TRG 76.2mm dia. x 3mm Tk 99.99% PureTantalum pentoxide
T1-9004-D13
Ta2O5 TRG 50.8mm dia. x 3.18mm Tk 99.99% PureTantalum pentoxide
T1-9004-D15
Ta2O5 TRG 76.2mm dia. x 6.35mm Tk 99.95% PureTantalum pentoxide
T1-9004-D17
Ta2O5 TRG 101.6mm dia. x 3mm Tk 99.99% PureBonded Cu Backing plateTantalum pentoxide
T1-9004-D20
Ta2O5 TRG 50.8mm dia. x 4mm Tk 99.99% Purethick, 99.99% pure
T1-9004-D21
Ta2O5 TRG 50.8mm dia. x 6.35mm Tk 99.99% PureTantalum pentoxide
T1-9004-D24
Ta2O5 TRG 101.6mm dia. x 6mm Tk 99.99% PureTantalum pentoxide
T1-9004-D25
Ta2O5 TRG 76.2mm dia. x 3.18mm Tk 99.99% PureTantalum oxide
T1-9004-D26
Ta2O5 TRG 50.8mm dia. x 6mm Tk 99.99% PureTantalum oxide
T1-9004-D3
Ta2O5 TRG 25.4mm dia. x 6mm Tk 99.99% PureTantalum pentoxide
T1-9004-D5
Ta2O5 TRG 76.2mm dia. x 3.18mm Tk 99.99% PureTantalum pentoxide
T1-9004-D7
Ta2O5 TRG 101.6mm dia. x 6.35mm Tk 99.99% PureTantalum pentoxide
T1-9004-D9
Tantalum pentoxide Ta2O5 Target 76.2mm dia. x 4mmthick, 99.99% purity
TA-ST-1-3-3N5
Ta TRG 25.4mm dia x 3.18mm Tk 99.95% PureTantalum
$79.20/PCS
6 PCS in stock
Select Qty
TA-ST-1-6-3N5
Ta TRG 25.4mm dia. x 6.35mm Tk 99.95% PureTantalum
$105.60/PCS
5 PCS in stock
Select Qty
TA-ST-2-3-3N5

Ta TRG 50.8mm dia. x 3.18mm Tk 99.95% Pure

Tantalum

$165.00/PCS
0 PCS in stock
Select Qty
TA-ST-2-3-4N
Ta TRG 50.8mm dia. x 3mm Tk 99.99% PureTantalum
$231.00/PCS
15 PCS in stock
Select Qty
TA-ST-2-6-3N5
Ta TRG 50.8mm dia x 6.35mm Tk 99.95% PureTantalum
$208.56/PCS
0 PCS in stock
Select Qty
TA-ST-2-6-4N
Ta TRG 50.8mm dia. x 6.35mm Tk 99.99% PureTantalum
$270.60/PCS
5 PCS in stock
Select Qty
TA-ST-3-3-4N
Ta TRG 76.2mm dia. x 3mm Tk 99.99% PureTantalum
TA-ST-3-6-3N5
Ta TRG 76.2mm dia. x 6.35mm Tk 99.95% PureTantalum
$356.40/PCS
0 PCS in stock
Select Qty
TA-ST-3-6-4N
Ta TRG 76.2mm dia. x 6.35mm Tk 99.99% PureTantalum
$402.60/PCS
2 PCS in stock
Select Qty
TA-ST-4-3-3N5
Ta TRG 101.6mm dia. x 3.18mm Tk 99.95% PureTantalum
TA-ST-4-6-3N5
Ta TRG 101.6mm dia. x 6mm Tk 99.95% PureTantalum
T1-9000-D17
Ta Sheet 100mm x 100mm x 0.2mm Tk 99.95% PureTantalum

Tantalum is dark, dense, ductile, very hard, easily fabricated, and highly conductive of heat and electricity. The metal is renowned for its resistance to corrosion by acids; in fact, at temperatures below 150 °C tantalum is almost completely immune to attack by the normally aggressive aqua regia. It can be dissolved with hydrofluoric acid or acidic solutions containing the fluoride ion and sulphur trioxide, as well as with a solution of potassium hydroxide. Tantalum's high melting point of 3017 °C (boiling point 5458 °C) is exceeded only by tungsten and rhenium for metals, and carbon.

Symbol Ta
Atomic number 73
No. of naturally occurring isotopes 2
Atomic weight 180.9479
Electronic configuration [Xe]4f145d36s2
Metal radius(12-coordinate)/pm 146
Ionic radius(6-coordinate)/pm V 64
Ionic radius(6-coordinate)/pm IV 68
Ionic radius(6-coordinate)/pm III 72
Density (20°C)/gcm-3 16.65
Melting point /°C 2980
Boiling point /°C 5534
ΔHfus/kJmol-1 24.7
ΔHvap/kJmol-1 758.2
ΔHf(monoatomic gas)/kJmol-1 782(+/-6)
Electrical resistivity
(20°C)/μohm cm -12.4
Electronegativity χ 1.5
Temperature (oC) @Vap. Pressure
10-8 Torr 1960
10-6 Torr 2240
10-4 Torr 2590
Techniques
Electron Beam Excellent
Crucible -
Coil -
Boat -
Remarks Forms good films