Tungsten Lanthanum Alloy

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Tungsten Lanthanum Alloy (W-La) is also known as Lanthanum Oxide-Doped Tungsten and Tungsten Lanthanide, Tungsten Lanthanum comprises tungsten metal together with a small quantity <=2% of Lanthanum Oxide La₂O₃.

If small quantities of lanthanum oxide (La₂O₃, 1.0~2.0%, 0.2~0.6%) are added to tungsten, its creep resistance is improved and the recrystallization temperature is increased. The machining performance for Lanthanum oxide-doped tungsten (Tungsten Lanthanum Alloy, W-La alloy) is better than pure tungsten. Lanthanum oxide doped tungsten (Tungsten Lanthanum Alloy, W-La alloy) is an ideal material for ion sources, welding electrodes, and contact electrodes.

The regular content is 1.0% & 0.5% of lanthanum oxide for Tungsten Lanthanum Alloy (W-La alloy) .

Tungsten-lanthanum alloy (W-La) is an alloy consisting of tungsten metal and a small amount of lanthanum oxide (La₂O₃). Lanthanum oxide improves the properties of the alloy, making it easier to process and has the following advantages over pure tungsten metal products:
-Processability: W-La is easier to process than pure tungsten.
-Creep resistance: W-La has better creep resistance than pure tungsten.
-Recrystallization temperature: W-La has a higher recrystallization temperature than pure tungsten.
-Melting point: W-La has a higher melting point.
-Thermal stability: W-La has higher thermal stability.
-Electrical and thermal conductivity: W-La has good electrical and thermal conductivity.
-Coefficient of thermal expansion: W-La has a low coefficient of thermal expansion.

• Tungsten Alloy Rod
• Tungsten Alloy Plate

W-La is used in a variety of applications, including: ion sources, welding electrodes, and contact electrodes.
Lanthanum oxide also improves the performance of tungsten electrodes:
-Ignition: Lanthanum oxide improves ignition performance.
-Service life: Lanthanum oxide extends the service life of the electrode.
-Arc stability: Lanthanum oxide improves arc stability.
-Tip Maintenance: Lanthanum oxide helps the electrode maintain a sharp tip (for steel welding) and a spherical tip (for aluminum alloy welding).

Properties of lanthanum oxide-doped tungsten and lanthanum oxide-doped molybdenum (MoLa Alloy) 
-High melting point
-High thermal stability
-Good electrical conductivity
-Good thermal conductivity
-Low thermal expansion coefficient

Applications for Tungsten Lanthanum Alloy, W-La alloy
-Coils/boats for evaporating equipment
-Circular blanks for semi-conductor technology
-Power supply wires and anodes/cathodes for thermionic tubes
-Electrodes for plasma coating
-Electrodes for electric resistance welding
-TIG electrodes for shield gas welding, plasma welding

Products for W-La alloy
-Rods

-Sheets
-Plates
-Electrodes
-Crucible
-Tube
-Sputtering targets
-Components per drawings

Related Tungsten Products:

Tungsten Rod, Tungsten Ingot, Tungsten Tube, Tungsten Plate, Tungsten Sheets, Tungsten Foil, Tungsten Disc & Tunsgten Square, Tungsten crucible, etc.

We offer tungsten rolled products (plates, sheets, foils), tungsten drawn and forged products (tungsten blocks, rods, bars, wires), tungsten machined parts (tungsten crucibles, tungsten heaters, tungsten furnace systems, Customized tungsten), tungsten wire mesh. In addition to formed and machined tungsten products, our specialty tungsten products include tungsten granules (forged tungsten crushing) and porous tungsten (low temperature sintered tungsten). Please send us your request to sales@edge-techind.com.