Non-ferrous Metals
Deposition Materials
Rare Earth Elements
Scandium Sc
Yttrium Y
Terbium Tb
Dysprosium Dy
Holmium Ho
Erbium Er
Thulium Tm
Ytterbium Yb
Lutetium Lu
Gadolinium Gd
Europium Eu
Samarium Sm
Praseodymium Pr
Cerium Ce
Lanthanum La
Neodymium Nd
Rare Earth Sheets
Rare Earth Foil
Rare Earth Rod and Wire
Rare Earth Hexaboride XB6
Rare Earth Hydride
Semimetal Elements
Functional Materials
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.