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Features
Linear Formula: | Ta-W |
Standard: | ASTM B708 |
Purity: | ≥99.9% or 99.95% |
Size & Tolerance: | Circular tantalum sputtering targets: Diameter 15mm–400mm x Thickness 1mm–28mm Rectangular tantalum sputtering targets: Thickness 1mm–40mm x Width max 1000mm x Length max 3000mm |
Material Grades: | R05255 (Ta-10W), tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both. R05252 (Ta-2.5W), tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both. |
Tantalum Tungsten Alloy Disc Description
We provide pure tantalum, tantalum tungsten alloy and tantalum niobium alloy discs & sputtering targets per request.
Tantalum tungsten alloy is typically tantalum 2.5% tungsten and tantalum 10% tungsten. Ta7.5W which is 92.5% tantalum and 7.5% tungsten is also available.
SSC's tantalum tungsten alloys are also available as bar, ingot, ribbon, wire, shot, sheet, and foil. Customized parts are also available at SSC.
Chemical Composition of Tantalum Tungsten Alloy Disc
Chemical Composition (%) | |||||||||
Grade | Main Content | Impurities (≤%) | |||||||
Ta | Nb/W | Fe | Si | Ni | W | Mo | Ti | O | |
Ta2.5W | Bal | 2.0~3.0 | 0.005 | 0.005 | 0.002 | 3.0 | 0.01 | 0.002 | 0.015 |
Ta10W | Bal | 9~11 | 0.005 | 0.005 | 0.002 | 11 | 0.01 | 0.002 | 0.015 |
Other details per customer’s request. (N,C≤0.01%, H≤0.0015%) | |||||||||
Specification for Tantalum Disc
Name | Tantalum Sputtering Target |
Material | R05200, R05400, R05252(Ta-2.5W), R05255(Ta-10W) |
Re-crystallization | 95%min |
Grain size | 40μm 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 |
Tantalum Tungsten Alloy Disc Applications and Related Industries
● Sputtering Target
● Heating exchanger and heating element in chemical processing
● Research & Laboratory
● Energy
● Aerospace
● Electron
● Chemical
Chemical Identifiers
Linear Formula | Ta-W |
MDL Number | N/A |
EC No. | N/A |
Pubchem CID | 57464935 |
IUPAC Name | tantalum; tungsten |
SMILES | [Ta].[W] |
InchI Identifier | InChI=1S/Ta.W |
InchI Key | DZZDTRZOOBJSSG-UHFFFAOYSA-N |
Tantalum Tungsten Alloy Properties (Theoretical)
Compound Formula | Ta-W |
Appearance | Metallic solid in various forms (plate/sheet, bar, rod, strip, foil, wire, disc, sputtering target) |
Melting Point | 3005-3030 °C |
Boiling Point | N/A |
Density | 16.7-16.9 g/cm3 |
Solubility in H2O | N/A |
Electrical Resistivity | 0.0000176 ohm-cm |
Tensile Strength | 550 MPa (7.5% W) |
Vickers Hardness | 245 (7.5% W) |
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