Home > Our Materials >Tungsten & Alloys > Tungsten-Lanthanum
Tungsten & Alloys
Tungsten Lanthanum
Aerospace
Nuclear
Electronic components
Electrodes
Catalog
Available shades
Select a grade to view its complete technical data sheet: chemical composition, mechanical properties, and available shapes and dimensions.
The tungsten-lanthanum alloy consists of varying proportions of tungsten (W) and lanthanum (La), depending on the specific requirements of each application. Here is a typical chemical composition for this alloy
- Tungsten (W): Approximately 97% to 99%
- Lanthanum (La): About 1% to 3%
Key Characteristics of the W-La Alloy
High density
Since tungsten is a heavy metal, the W-La alloy has a high density, making it ideal for applications that require high density.
Heat resistance
Tungsten-lanthanum retains the heat resistance of pure tungsten, making it suitable for high-temperature environments.
Improved Ductility
Adding lanthanum can improve the ductility of tungsten, making it easier to machine and form.
Applications of the W-La Alloy
Welding electrodes
The W-La alloy is widely used in the manufacture of TIG (Tungsten Inert Gas) and plasma welding electrodes because of its heat resistance and high thermal conductivity.
Learn more
Components for the lighting industry
Tungsten-lanthanum filaments are used in incandescent lamps because of their ability to withstand high temperatures and produce bright, stable light.
Aerospace and Nuclear Applications
Because of its heat and corrosion resistance, the W-La alloy is used in the manufacture of components for rocket engines, nuclear reactors, and other demanding applications.
Why choose the W-La alloy?
The tungsten-lanthanum alloy offers a unique combination of high density, heat resistance, and improved ductility, making it a preferred choice for many industrial applications.
Applications
- Aerospace
- Nuclear
- Components for the lighting industry
- Welding electrodes
Available Sizes
- Round bars
- Tubes
- Plates
- Strips
- Son
- Custom-made: blanks, blocks, discs, parts made to specifications
Gallery







Is your shade not listed?
Our teams can source specific grades or those that are hard to find on the market. Contact us with your designation or standard.