Niobium-tantalum is one of many high-purity refractory alloys produced by Edgetech. As a master alloy, niobium-tantalum can be used to refine grains, harden, and improve alloy properties by enhancing properties such as ductility and machinability. Tantalum-niobium alloy is a metal alloy composed of tantalum and niobium. It is known for its high melting point, excellent corrosion resistance and good mechanical properties, making it widely used in the aerospace, chemical, electronics and medical industries.

Tantalum Niobium Alloy Wire
Available alloy forms include sheet and plate, discs, foils, rods, tubes and other shapes. Edgetech Industries produces niobium-tantalum alloys in a variety of standard Nb:Ta ratios; custom alloy compositions are also available. Tantalum-niobium alloy is an alloy based on tantalum and added with niobium. Common types of tantalum-niobium alloys include UNS R05240 Ta40Nb, Ta3Nb, Ta20Nb and Ta30Nb alloys. Edgetech offers premium quality Tantalum Niobium alloy products in the form of plates/sheets/rods/tubes/strips at competitive prices with customization options available as per specific requirements.
Chemical composition for each grade of tantalum niobium alloys
Description | Mainly content (%) | Impurities (%, Maximum) | ||||||||||
Ta | Nb | Fe | Si | Ni | W | Mo | Ti | O | C | H | N | |
TaNb3 | Reminder | 2.5~3.5 | 0.005 | 0.005 | 0.004 | 0.005 | 0.005 | 0.004 | 0.012 | 0.005 | 0.0015 | 0.005 |
TaNb20 | Reminder | 17.0~23 | 0.005 | 0.005 | 0.004 | 0.005 | 0.005 | 0.004 | 0.012 | 0.005 | 0.0015 | 0.005 |
TaNb30 | Reminder | 27.0~33 | 0.005 | 0.004 | 0.003 | 0.004 | 0.004 | 0.003 | 0.012 | 0.004 | 0.0015 | 0.004 |
TaNb40 | Reminder | 37.0~43 | 0.005 | 0.004 | 0.003 | 0.004 | 0.004 | 0.003 | 0.012 | 0.004 | 0.0015 | 0.004 |
Tantalum Niobium (TaNb) Alloy Products List
Materials | Ta40Nb | Ta30Nb | Ta20Nb | Ta3Nb |
Plate | √ | √ | √ | √ |
Sheet | √ | √ | √ | √ |
Strip | √ | √ | √ | √ |
Rod | √ | √ | √ | √ |
Sputtering Target | √ | √ | √ | √ |
Tube | √ | √ | √ | √ |
Information for tantalum niobium alloy rolling products
Product | Thickness (mm) | Width (mm) | Length (mm) |
Foil | 0.03-0.07 | 30-200 | >50 |
Sheet | 0.07-0.5 | 30- 700 | 30-2000 |
Plate | 0.5-10 | 50-1000 | 50-3000 |
Material: TaNb3 (97% Pure tantalum, 3% Pure niobium)
TaNb20 (80% Pure tantalum, 20% Pure niobium)
TaNb30 (70% Pure tantalum, 30% Pure niobium)
TaNb40 (60% Pure tantalum, 40% Pure niobium)
Special requirements to be agreed on by the supplier and buyer of negotiations



Tantalum niobium alloy rod (TaNb3, TaNb20, TaNb30, TaNb40)
Tantalum niobium alloy wire (TaNb3, TaNb20, TaNb30, TaNb40)
Available size: φ0.25~φ150mm diameter
Material: TaNb3 (97% Pure tantalum, 3% Pure niobium)
Standard: As per ASTM B365-98
Special requirements to be agreed on by the supplier and buyer of negotiations
Information for Ta-Nb alloy tube & pipe
Outer Diameter: φ2.0-120mm
Wall Thickness: 0.2-5.0mm
Length: 200mm-9000mm
Material: TaNb3 (97% Pure tantalum, 3% Pure niobium)
TaNb20 (80% Pure tantalum, 20% Pure niobium)
TaNb30 (70% Pure tantalum, 30% Pure niobium)
TaNb40 (60% Pure tantalum, 40% Pure niobium)
Special requirements to be agreed on by the supplier and buyer of negotiations
Information for tantalum alloy sputtering targets 


Ta-Nb alloy target (TaNb3, TaNb20, TaNb30, TaNb40)
Material: TaNb3 ( 97% Pure tantalum, 3% Pure niobium )
TaNb20 (80% Pure tantalum, 20% Pure niobium)
TaNb30 (70% Pure tantalum, 30% Pure niobium)
TaNb40 (60% Pure tantalum, 40% Pure niobium)
Size:
Circular targets: 25mm up to 400mm Diameter x 3mm up to 28mm Thickness (1” – 16” diameter x 0.1181” – 1” thickness);
Rectangular targets: 1mm up to 25.4 mm Thickness x Width up to 600mm x Length up to 2000mm (.04” – 1” thick x width up to 23.62” x length up to 80”);
Recrystallization: 95%min
Grain size: ASTM 4 or finer
Surface finish: 16Rms max. or Ra 0.4 ( RMS64 or better)
Flatness: 0.1mm or 0.15% max.
Tolerance: +/-0.010″ on all dimensions
Special requirements to be agreed on by the supplier and buyer of negotiations


Other alloy products:
Tantalum niobium alloy crucibles, nuts, alloy bolts ,alloy heating elements, alloy shielding screens. Special requirements to be agreed on by the supplier and buyer of negotiations
Tantalum niobium (TaNb) alloy product applications
Aerospace: Used to manufacture high-temperature structural parts and engine parts.
Chemical industry: used as materials for corrosion-resistant equipment.
Electronic field: used to produce capacitors and other electronic components.
Medical industry: used to manufacture artificial joints, dental implants and other medical devices.
Tantalum niobium (TaNb) alloy product packaging
Tantalum niobium (TaNb) alloy products will be carefully placed in wooden or carton boxes with additional support using soft materials to prevent any movement during shipping. This packaging method ensures the integrity of the product throughout the delivery process.
Edgetech Industries provides Pure tantalum metal (Ta≥99.95%, R05200, R05400) with tantalum foil, strip, sheet, plate, bar, cylinder, wire, wire mesh, plate, expanded mesh, crucible, flange, fasteners, and complex parts etc.
We also supply Ta Alloys (tantalum-tungsten alloy, tantalum-niobium alloy, Ta-2.5W, Ta-10W; TaNb3, TaNb20, TaNb30, TaNb40) with strips, sheets, plates, blocks, tubes, rods, wires, and complex parts, etc.
We supply shaped and machined parts in pure tantalum and alloys. Custom parts can be tailored according to drawings, please send your drawings to sales@edge-techind.com.



