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Home Materials Tantalum , Ta
73 180.950
Ta
Tantalum

Tantalum , Ta

Tantalum, characterised by its symbol Ta and atomic number 73, stands out as an exceptional element renowned for its unique combination of properties and its significance across various industries. As a rare, hard, blue-grey, and lustrous transition metal, tantalum's distinctive features contribute to its diverse range of applications and its pivotal role in technological advancements.  With its dark, dense, ductile nature and remarkable hardness, tantalum emerges as a material that combines strength with versatility. Its ease of fabrication enables manufacturers to shape it into intricate designs, catering to diverse application needs.

  • 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
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T1-5002-M
Ta Pellets 3mm dia. x 3mm long 99.95% PureTantalum
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T1-5005-M
SuperVac© Tantalum Oxide Ta2O5 3-12mm pieces (sintered), 99.95%
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T1-5006-M
Ta2O5 8-9mm dia. x 4-5mm sintered pieces 99.95%Tantalum Oxide
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T1-5008-M
Ta2O5 1-4mm pieces 99.99%+ Pure Grey colourTantalum oxide
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T1-5010-M
Ta Pellets 3.18mm dia. x 3.18mm 99.95% PureTantalum
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T1-5012-M

Ta 3-20mm pieces 99.95% Pure

Tantalum

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

Ta 1-6mm pieces 99.95% Pure

Tantalum

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

TaC -200 +325 mesh 99% Pure

Tantalum Carbide

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

TaC -325 mesh +10 microns 99% Pure

Tantalum Carbide

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

TaCl5 -4 mesh 99.99% Pure

Tantalum Chloride UN1759 8 PG II

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T1-10014-P

TaF3 -4 mesh 99.9% Pure

Tantalum Fluoride UN1759 8 PG II

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T1-10016-P

Ta2O5 -400 mesh 99.999% Pure

Tantalum Oxide

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

Ta2O5 -325 mesh 99.99% Pure

Tantalum Oxide

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T1-10019-P

Ta2O5 -325 mesh 99.5% Pure

Tantalum Oxide

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T1-10020-P

Ta2O5 <5 microns average 99.995% Pure

Tantalum Oxide

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

Ta Rod 6.35mm dia. 99.9% Pure

Tantalum

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

Ta sheet Thickness 0.38mm (0.015")

Tantalum

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TA-SHT-0.5

Ta sheet Thickness 0.50mm (0.020")

Tantalum

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TA-SHT-0.76

Ta sheet Thickness 0.76mm (0.030")

Tantalum

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TA-SHT-1.0

Ta sheet Thickness 1.0mm (0.040")

Tantalum

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TA-SHT-1.5

Ta sheet Thickness 1.50mm (0.060")

Tantalum

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TA-SHT-12.7

Ta sheet Thickness 12.70mm (0.500")

Tantalum

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TA-SHT-19

Ta sheet Thickness 19.05mm (0.750")

Tantalum

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TA-SHT-25.4

Ta sheet Thickness 25.40mm (1")

Tantalum

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TA-SHT-3.18

Ta sheet Thickness 3.18mm (0.125")

Tantalum

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TA-SHT-6.35

Ta sheet Thickness 6.35mm (0.250")

Tantalum

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TA-SHT-9.5

Ta sheet Thickness 9.50mm (0.375")

Tantalum

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

Ta Wire 0.25mm dia. 99.99% Pure

Tantalum

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T1-1009-W3

Ta Wire 0.4mm dia. 99.99% Pure

Tantalum

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

Ta Wire 0.4mm dia. 99.99% Pure

Tantalum

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

Ta Wire 1mm dia. 99.98% Pure

Tantalum

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

Ta Wire 2mm dia. 99.98% Pure

Tantalum

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

Ta Wire 3mm dia. 99.9%+ Pure

Tantalum

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T1-9000-D

Tantalum Ta,

Available Purities 99.9%, 99.95%, 99.99%

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T1-9001-D

Tantalum Pentoxide-Thulium oxide Ta2O5-Tm2O3,

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

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T1-9002-D

Tantalum Carbide TaC,

Purity 99.5%

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T1-9003-D

Tantalum Nitride TaN,

Available Purities 99.5%, 99.9% & 99.95%

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T1-9004-D

Tantalum Pentoxide Ta2O5,

Purity 99.99%

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T1-9005-D

Tantalum-Aluminium-Nitride Ta-AlN,

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

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T1-9006-D

Tantalum-Tungsten Ta-W,

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

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T1-9009-D

Tantalum Telluride TaTe2,

Purity 99.95%

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T1-9012-D

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

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

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T1-9013-D

Tantalum Pentoxide-Ytterbium oxide Ta2O5-Yb2O3,

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

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T1-9014-D

Tantalum-Aluminium-Yttrium Ta-Al-Y,

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

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T1-9015-D

Tantalum Pentoxide-Sodium oxide Ta2O5-Na2O,

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

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T1-9016-D

Tantalum boride TaB2,

Available Purities 99.5% & 99.9%

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T1-9017-D

Tantalum-Silicon Ta-Si,

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

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T1-9018-D

Tantalum boride-Aluminium, TaB2-Al,

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

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TA-F-0.1

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

Tantalum

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TA-F-0.2

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

Tantalum

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T1-9000-D9
Ta TRG 57mm dia. x 0.1mm Tk 99.95% PureTantalum
$198.00/PCS
5 PCS in stock
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T1-9000-D38
Ta TRG 76.2mm dia. x 3mm Tk 99.9% PureTantalum
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T1-9000-D47
Ta TRG 76.2mm dia. x 3mm Tk 99.95% PureTantalum
$237.60/PCS
3 PCS in stock
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T1-9000-D60
Ta TRG 50.8mm dia. x 3.18mm Tk 99.95% PureTantalum
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T1-9000-D99
Ta TRG 76.2mm dia. x 6mm Tk 99.95% PureTantalum
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T1-9002-D1
TaC TRG 76.2mm dia. x 3mm Tk 99.5% PureTantalum Carbide
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T1-9002-D6
TaC TRG 50.8mm dia. x 6.35mm Tk 99.9% PureTantalum Carbide
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T1-9003-D2
TaN TRG 50.8mm dia. x 6mm Tk 99.5% PureTantalum Nitride
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T1-9003-D3
TaN TRG 50.8mm dia. x 6.35mm Tk 99.95% PureTantalum Nitride
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T1-9003-D5
TaN TRG 25.4mm dia. x 6.35mm Tk 99.9%Tantalum Nitride
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T1-9003-D6
TaN TRG 50.8mm dia. x 3mm Tk 99.5% PureTantalum nitride
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T1-9003-D7
TaN TRG 101.6mm dia. x 3mm Tk 99.9% PureTantalum Nitride
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T1-9003-D9
TaN TRG 50.8mm dia x 4mm Tk 99.5% PureTantalum nitride
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T1-9004-D10
Ta2O5 TRG 50.8mm dia. x 3.175mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D11
Ta2O5 TRG 76.2mm dia. x 3mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D13
Ta2O5 TRG 50.8mm dia. x 3.18mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D15
Ta2O5 TRG 76.2mm dia. x 6.35mm Tk 99.95% PureTantalum pentoxide
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T1-9004-D17
Ta2O5 TRG 101.6mm dia. x 3mm Tk 99.99% PureBonded Cu Backing plateTantalum pentoxide
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T1-9004-D20
Ta2O5 TRG 50.8mm dia. x 4mm Tk 99.99% Purethick, 99.99% pure
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T1-9004-D21
Ta2O5 TRG 50.8mm dia. x 6.35mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D24
Ta2O5 TRG 101.6mm dia. x 6mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D25
Ta2O5 TRG 76.2mm dia. x 3.18mm Tk 99.99% PureTantalum oxide
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T1-9004-D26
Ta2O5 TRG 50.8mm dia. x 6mm Tk 99.99% PureTantalum oxide
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T1-9004-D3
Ta2O5 TRG 25.4mm dia. x 6mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D5
Ta2O5 TRG 76.2mm dia. x 3.18mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D7
Ta2O5 TRG 101.6mm dia. x 6.35mm Tk 99.99% PureTantalum pentoxide
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T1-9004-D9
Tantalum pentoxide Ta2O5 Target 76.2mm dia. x 4mmthick, 99.99% purity
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TA-ST-1-3-3N5
Ta TRG 25.4mm dia x 3.18mm Tk 99.95% PureTantalum
$79.20/PCS
6 PCS in stock
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TA-ST-1-6-3N5
Ta TRG 25.4mm dia. x 6.35mm Tk 99.95% PureTantalum
$105.60/PCS
5 PCS in stock
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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
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TA-ST-2-3-4N
Ta TRG 50.8mm dia. x 3mm Tk 99.99% PureTantalum
$231.00/PCS
15 PCS in stock
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TA-ST-2-6-3N5
Ta TRG 50.8mm dia x 6.35mm Tk 99.95% PureTantalum
$208.56/PCS
0 PCS in stock
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TA-ST-2-6-4N
Ta TRG 50.8mm dia. x 6.35mm Tk 99.99% PureTantalum
$270.60/PCS
5 PCS in stock
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TA-ST-3-3-4N
Ta TRG 76.2mm dia. x 3mm Tk 99.99% PureTantalum
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TA-ST-3-6-3N5
Ta TRG 76.2mm dia. x 6.35mm Tk 99.95% PureTantalum
$356.40/PCS
0 PCS in stock
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TA-ST-3-6-4N
Ta TRG 76.2mm dia. x 6.35mm Tk 99.99% PureTantalum
$402.60/PCS
2 PCS in stock
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TA-ST-4-3-3N5
Ta TRG 101.6mm dia. x 3.18mm Tk 99.95% PureTantalum
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TA-ST-4-6-3N5
Ta TRG 101.6mm dia. x 6mm Tk 99.95% PureTantalum
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T1-9000-D17
Ta Sheet 100mm x 100mm x 0.2mm Tk 99.95% PureTantalum
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One of tantalum's most notable attributes is its exceptional corrosion resistance, which surpasses that of most other metals. This inherent resistance to corrosion, even in harsh environments, makes tantalum an invaluable material for critical applications where durability and longevity are paramount. Tantalum's ability to withstand corrosive agents renders it indispensable in industries such as chemical processing, where it is utilised in the fabrication of corrosion-resistant equipment, including heat exchangers, reactors, and piping systems.

Moreover, tantalum's presence in electronic devices, particularly capacitors, highlights its importance in modern technology. Tantalum capacitors, known for their high capacitance and stability, are extensively used in electronic circuits, ranging from smartphones and laptops to medical devices and automotive electronics. The reliability and performance of tantalum capacitors make them a preferred choice for applications requiring miniaturisation, high energy density, and long-term reliability.

Additionally, tantalum's exceptional hardness and wear resistance make it suitable for applications in the aerospace and defence industries. Tantalum-based alloys, characterised by their high strength-to-weight ratio and resistance to high temperatures, find use in turbine blades, rocket nozzles, and other components subjected to extreme conditions. The aerospace sector also relies on tantalum for its compatibility with carbon-carbon composites, enhancing the structural integrity and performance of aerospace vehicles and spacecraft.

In summary, tantalum's remarkable properties, including its corrosion resistance, electrical conductivity, hardness, and optical characteristics, position it as a critical element in numerous industries, ranging from electronics and aerospace to chemical processing and optics. As technology continues to advance, tantalum's versatility and reliability are likely to fuel further innovation and drive its continued importance in shaping the future of science and industry.

 

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