Tantalum

Pure Tantalum Metal/Tantalum Tungsten Alloy/Tantalum Niobium Alloy/Tantalum Compounds

EPI Materials is a trusted supplier and manufacturer of high-quality Tantalum metal products, including Tantalum foil, Tantalum sheet,  Tantalum wire, Tantalum rod, Tantalum tube, Tantalum disc and other customized products.

Various sizes and thicknesses are available upon request. Examples of the type of products we supply are shown below but this is by no means a definitive list, if you want an item that’s not here please contact us.

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Tantalum Bar/Rod

Non-Medical Grade Specifications:
Material:         Tantalum, Tantalum Niobium, Tantalum Tungsten
Standard:       R05200, R05400 (Ta), R05240 (Ta-40Nb), R05252 (Ta-2.5W), R05255 (Ta-10W).

Medical Grade Specifications:
Material:        Min 99.9% Tantalum
Tolerance:     Better than +/- 0.02 mm
Standard:      ASTM F560 / R05400 compliant

Tantalum Foil/Strip

Specifications:

Standard:      ASTM B708-98
Material:       UNS R05200, UNS R05400
Thickness:     0.03mm (Strip), 0.03-0.07mm (Foil)
Width:            1-1.5mm (Strip), 30-200mm (Foil)
Length:          Up to 50,000mm (Strip), >50mm (Foil)
Packing:        In Coil (Strip), Flat (Foil)
Condition:    Annealed

Tantalum Sheet/Tantalum Plate

Specifications:

Standard:     ASTM B708-98
Material:      UNS R05200, UNS R05400
Thickness:   0.07-10mm
Width:          30-1,000mm
Length:        30-3,000mm

Tantalum Tube/Pipe

Specifications:

Standard:      ASTM B521-98
Material:       UNS R05200, UNS R05400
Outer:            1.0-150 mm
Wall:              0.2-5.0mm
Length:          200-6,000mm

Seamless tantalum tube

For the Tantalum tubes with thicker wall thickness, seamless tantalum tube is recommended.

Welded tantalum tube

For the Tantalum tubes with thin wall thickness, we recommend welded tantalum tube. The welded tubes were manufactured by tantalum sheet. The surface was good since they will be polished after welding.

Tantalum Wire

Specifications:

Diameter:      0.1-4 mm
Standard:      ASTM B365, ASTM F560 (Medical Grade)
Material:       UNS R05200, UNS R05400
Purity:            99.9% or 99.95%

Size 0.1 ~ 0.15 mm >0.15 mm ~ 0.3 mm >0.3 mm
Tolerance ± 0.005 mm ± 0.006 mm ± 0.007 mm
Product Condition Annealed Half Annealed Unannealed
Tensile Strength (MPa)  300~600  >600~1000  >1000
Elongation (%) 10~30 <5 <5