| Thickness (mm) | Width | Length |
|---|---|---|
| 0.07–10 mm(Customizable upon request) | 30–1000 mm(Standard Supply Scope) | 30–3000 mm(Standard Supply Scope) |


The 2.5W tantalum sheet complies with standard R05252. Compared to pure tantalum, the addition of tungsten improves the material’s high-temperature strength, hardness, and dimensional stability, while maintaining tantalum’s excellent corrosion resistance and high-temperature performance.
2.5W tantalum sheet has a high melting point, good high-temperature strength, excellent corrosion resistance, and good machinability, making it suitable for chemical equipment, the aerospace industry, vacuum equipment, high-temperature equipment, heat exchange equipment, and other specialized engineering applications.
2.5W tantalum sheet is available in the form of sheets, plates, and strips made of tantalum and tantalum alloys in accordance with the ASTM B708 standard. The ASTM B708-25 standard explicitly includes R05252 (97.5% Ta, 2.5% W) within its scope.
Ta-2.5W alloy sheets are available in various thicknesses, widths, and lengths to meet customer requirements, and custom-made products can also be manufactured according to customer drawings, technical specifications, and application requirements.
This is a very important application area for Ta-2.5W. Tantalum has excellent corrosion resistance, so Ta-2.5W plates can be used to manufacture: linings for chemical equipment, equipment designed to handle corrosive media, and reactor components.
Ta-2.5W can be used in heat exchange equipment designed for operation in special chemical environments and highly corrosive environments. It can be used for: heat exchanger plates, heat transfer components, and chemical process equipment.
The high-temperature properties of Ta-2.5W make it suitable for specialized high-temperature structures and protective components in the aerospace industry. For example: high-temperature structural components and thermal protection assemblies.
Can be used in: vacuum furnaces, high-temperature furnaces, vacuum heat treatment equipment, heat shields, high-temperature support elements, and internal components of vacuum equipment.
The Ta-2.5W can be used in certain semiconductor manufacturing facilities and in high-temperature, corrosion-resistant components, such as semiconductor equipment components and vacuum equipment components.
| Thickness (mm) | Width | Length |
|---|---|---|
| 0.07–10 mm(Customizable upon request) | 30–1000 mm(Standard Supply Scope) | 30–3000 mm(Standard Supply Scope) |
| Thickness (mm) | Tensile strength, Min. | 0.2% yield strength, min. | Elongation, Min. |
|---|---|---|---|
| <3.175 mm (0.125 inches) | 276 MPa | 207 MPa | 20% |
| ≥3.175 mm (0.125 inches) | 276 MPa | 152 MPa | 25% |
| Parameter | Value |
|---|---|
| Material | Ta-2.5W |
| UNS | R05252 |
| Standard | ASTM B708 |
| Condition | Annealed |