Tantalum(Ta)

MetalsTek Engineering is a leading supplier of Tantalum products. We offer competitive pricing and excellent lead times on all our materials, and we can supply custom materials per any specs / drawings you provide us.

Description

Tantalum, a transition metal classified on the Periodic Table, boasts unique properties that contribute to its significance across various industries. With a distinct silvery-blue hue, tantalum exhibits remarkable attributes:

High Melting Point and Density

Corrosion Resistance

Electrical Capacitance

Biocompatibility

MetalsTek Supplies:

Pure Tantalum

Shapes: lump, ingot, foil, strip, sheet, plate, tube, pipe, capillary, bar, rod, wire, wire mesh, disc, mesh, crucible, flange, marker band, ribbon, powder, single crystal

Purity: Ta≥99.9%

Tantalum Alloys

Shapes: foil, strip, sheet, plate, board, tube, pipe, rod, bar, wire, disc, powder, etc.

Available in various forms.

Tantalum Compounds & Catalyst

Tantalum Oxide (Tantalum Pentoxide, Ta2O5): powder, 3N-5N

Tantalum Chloride (Tantalum Pentachloride, TaCl5): powder, >99.9%

Tantalum Carbide (TaC): powder, >99%

Tantalum Silicide (TaSi2): powder, ≥99.9%

Lithium Tantalate Wafers (LiTaO3 Wafers)

Tantalum Evaporation Materials

Ta, Ta/Al, Ta/Mo, Ta2O5, TaN, TaC, TaSi2, TaS2, TaB2, TaSe2, TaTe2, etc.

Purity: ≥99.9%

Other Tantalum Products

Lithium Tantalate Wafers, Tantalum Single Crystal, Potassium Tantalate (KTaO3) Crystal Substrates, etc.

Tantalum Properties (Ta-99.99%)

Phase At STP	Solid	Electrical Resistivity	131 nΩ⋅m (at 20 °C)
Melting Point	3,290 K (3,017 °C/5,463 °F)	Magnetic Ordering	Paramagnetic
Boiling Point	5,731 K (5,458 °C/9,856 °F)	Young'S Modulus	186 GPa
Density (Near R.T.)	16.69 g/cm3	Shear Modulus	69 GPa
When Liquid (At M.P.)	15 g/cm3	Bulk Modulus	200 GPa
Tensile Strength	250(1725) KSI(Mpa)-RT	Poisson Ratio	0.34
Heat Of Vaporization	753 kJ/mol	Mohs Hardness	6.5
Molar Heat Capacity	25.36 J/(mol·K)	Vickers Hardness	870–1,200 MPa
Thermal Expansion	6.3 µm/(m⋅K) (at 25 °C)	Brinell Hardness	440–3,430 MPa
Thermal Conductivity	57.5 W/(m⋅K)	Cas Number	7440-25-7

Tantalum and Tantalum Alloy Grades

Chemical Composition of Pure Tantalum

Element	C	O	N	H	Fe	Mo	Nb	Ni	Si	Ti	W
R05200 (%,Max)	0.01	0.015	0.01	0.0015	0.01	0.02	0.1	0.01	0.005	0.01	0.05
R05400 (%,Max)	0.01	0.03	0.01	0.0015	0.01	0.02	0.1	0.01	0.005	0.01	0.05

Tantalum Applications

Tantalum’s unique combination of properties makes it an indispensable material across various industries, including electronics, aerospace, healthcare, and research. It contributes significantly to technological innovation and advancement.

Electronics and Telecommunications

Aerospace and Defense

Chemical Processing

Medical Implants

Superconductivity Research

The “sister elements”: Tantalum & Niobium

Tantalum and niobium, often called “sister elements,” share several similarities due to their close relationship in the periodic table and comparable chemical properties. These elements exhibit nearly identical chemical behaviors and physical properties, often occurring together in nature due to their analogous atomic structures.

Physical and Chemical Similarities

Chemical Composition: Tantalum (Ta) and niobium (Nb) belong to the same group (Group 5) of transition metals in the periodic table, sharing similarities in their electronic configurations and chemical behavior.
Physical Properties: They share resemblances in their physical properties, including high melting points, densities, and resistance to corrosion, making them suitable for similar industrial applications.
Occurrence: Tantalum and niobium are often found together in nature due to their similar chemical properties. Their ores, collectively known as columbite-tantalite or coltan, are frequently co-mined and are commonly found in regions like Africa and Australia.

For more about Niobium, please click Niobium Products.