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  1. Products Products
  2. Tantalum Alloys Tantalum Alloys
  3. Tantalum Tungsten Alloy Tantalum Tungsten Alloy
  4. Applications Applications

Tantalum Tungsten Alloy

We provide tantalum tungsten alloy with shaped and machined products upon your request.
We can provide Ta-2.5W products same as pure tantalum, but thin foil is not available for Ta-10W. Ta-10W has poor ductility and machinability cause the high content of tungsten.  

Specifications for tantalum alloy rolling products 

Ta-W alloy sheet (Ta2.5W, Ta10W)
Ta-W alloy foil (Ta2.5W)
Ta-W alloy plate (Ta2.5W, Ta10W)
Material: R05200, R05252(Ta-2.5W), R05255(Ta-10W) 
Ta-2.5W ( 97.5% Pure tantalum, 2.5% Pure tungsten)
Ta-10W ( 90% Pure tantalum, 10% Pure tungsten)
Standard: ASTM B708-98

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

Special requirements to be agreed on by the supplier and buyer of negotiations.

Information for tantalum alloy forged, swagged and drawn products

Ta-W alloy rod (Ta-2.5W, Ta-7.5W, Ta-10W)
Ta-W alloy bar (Ta-2.5W, Ta-7.5W, Ta-10W)
Ta-W alloy wire (Ta-2.5W, Ta-7.5W, Ta-10W)
Available size: φ0.25~φ150mm
Material: Ta-2.5W ( 97.5% Pure tantalum ,2.5% Pure tungsten), R05252
Ta-7.5W ( 92.5% Pure tantalum, 7.5% Pure tungsten)
Ta-10W ( 90% Pure tantalum, 10% Pure tungsten), R05255
Standard: As per ASTM B365-98
Special requirements to be agreed on by the supplier and buyer of negotiations

Specification for tantalum alloy tube & pipe

Ta-W alloy alloy tube (Ta-2.5W, Ta-7.5W, Ta-10W)
Tantalum tungsten alloy pipe (Ta-2.5W, Ta-7.5W, Ta-10W)
Outer Diameter: φ10.0-120mm
Wall Thickness: 1.0-5.0mm
Length: 200mm-9000mm
Standard: As per ASTM B521 - 98
Material: Ta-2.5W ( 99.75% Pure tantalum, 2.5% Pure tungsten), R05252
Ta-7.5W ( 92.5% Pure tantalum, 7.5% Pure tungsten)
Ta-10W ( 90% Pure tantalum, 10% Pure tungsten), R05255
Special requirements to be agreed on by the supplier and buyer of negotiations

Specification for round Ta-W alloy products.  Inquiry

Sputtering target (Ta2.5W, Ta7.5W, Ta10W)
Disc (Ta2.5W, Ta7.5W, Ta10W)
Material: R05252 (Ta-2.5W), R05255 (Ta-10W)
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 25.4mm Thickness x Width up to 1000mm x Length up to 2000mm (.04” – 1” thick x width up to 23.62” x length up to 40”);
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.
Special requirements to be agreed on by the supplier and buyer of negotiations

MOQ for Ta-7.5W materials is 50kg, since it is not our regular produced material. 

Other Tantalum alloy products:

Tantalum tungsten alloy crucibles, nuts, bolts, heating elements, alloy shielding screens, etc.
Special requirements to be agreed on by the supplier and buyer of negotiations

Chemical compositions of our tantalum materials

Chemical Composition (%)
Grade Main Content Impurities (≤%)
Ta Nb/W Fe Si Ni W Mo Ti O C H N
R05200 Remainder —— 0.005 0.005 0.002 0.01 0.01 0.002 0.015 0.01 0.0015 0.01
R05210 Remainder —— 0.03 0.02 0.005 0.04 0.03 0.005 0.02 0.01 0.0015 0.01
TaNb3 Remainder <3.5 0.03 0.03 0.005 0.04 0.03 0.005 0.02 0.01 0.0015 0.01
TaNb20 Remainder 17~23 0.03 0.03 0.005 0.04 0.03 0.005 0.02 0.01 0.0015 0.01
Ta2.5W Remainder 2.0~3.0 0.005 0.005 0.002 3.0 0.01 0.002 0.015 0.01 0.0015 0.01
Ta10W Remainder 9~11 0.005 0.005 0.002 11 0.01 0.002 0.015 0.01 0.0015 0.01
Other details per customer’s request

Related Tantalum products: Tantalum Rod, Tantalum Mesh, Tantalum Alloy, Tantalum Niobium, Tantalum Sheet, Tantalum Tubing.



Edgetech Industries LLC5701 NW 88th Ave. Suite 350, Tamarac, FL 33321sales@edge-techind.com