Lanthanum Tungsten Alloy Rod

Excellent Electron Emission

• Superior arc starting performance.
• Stable electrical conductivity.
• Longer electrode life.

Outstanding High-Temperature Performance

• Excellent creep resistance.
• High recrystallization temperature.
• Superior thermal stability.

High Strength & Wear Resistance

• Excellent mechanical properties.
• Resists deformation under heat.
• Long service life.

Improved Machinability

• Easier to machine than pure tungsten.
• Consistent dimensional accuracy.
• Precision finished surfaces available.

Custom Manufacturing Options

• Multiple lanthanum oxide contents.
• Precision ground rods.
• OEM and custom fabrication available.

Property	Specification / Typical Value
Product Name	Lanthanum Tungsten Alloy Rod
Material	Tungsten-Lanthanum Oxide Alloy (La-W)
Chemical Composition	Tungsten (Balance), Lanthanum Oxide (0.8–2.2% Typical)
Common Grades	WL10 (1.0% La₂O₃), WL15 (1.5% La₂O₃), WL20 (2.0% La₂O₃)
Appearance	Silver Gray Metallic
Density	Approx. 18.5–19.2 g/cm³
Melting Point	Approx. 3,420°C
Hardness	Grade Dependent
Electrical Conductivity	Excellent
Thermal Conductivity	High
High Temperature Strength	Excellent
Recrystallization Resistance	Superior
Form	Rod, Bar
Surface Finish	Sintered, Ground, Polished
Certification	COA Available

• WL10 Lanthanum Tungsten Rod (1.0% La₂O₃)
• WL15 Lanthanum Tungsten Rod (1.5% La₂O₃)
• WL20 Lanthanum Tungsten Rod (2.0% La₂O₃)
• High Purity Lanthanated Tungsten Rod
• EDM Grade Lanthanum Tungsten Rod
• Welding Electrode Grade
• Semiconductor Grade
• Research Grade
• Custom Alloy Grades

1. What is Lanthanum Tungsten Alloy Rod?

Lanthanum Tungsten Alloy Rod is a tungsten-based alloy containing lanthanum oxide that improves arc ignition, electron emission, creep resistance, and high-temperature performance compared to pure tungsten.

2. What is Lanthanum Tungsten Rod used for?

It is widely used for TIG welding electrodes, plasma systems, EDM electrodes, vacuum furnaces, semiconductor equipment, aerospace components, and electron emission applications.

3. What lanthanum oxide grades are available?

REG Metals supplies WL10 (1.0%), WL15 (1.5%), and WL20 (2.0%) Lanthanum Oxide Tungsten Rods, along with custom alloy compositions.

4. What are the advantages of Lanthanum Tungsten compared to pure tungsten?

Lanthanum Tungsten provides easier arc starting, better electron emission, improved creep resistance, higher recrystallization temperature, longer service life, and improved machinability.

5. Can REG Metals supply custom rod sizes?

Yes. REG Metals offers custom diameters, lengths, precision grinding, machining, and fabricated Lanthanum Tungsten components.

6. Does REG Metals provide certification?

Yes. REG Metals provides Certificate of Analysis (COA), chemical composition reports, dimensional inspection reports, and full material traceability.