Tungsten Quiz( Weld Guru color chart)

What is the principal oxide in Pure Tungsten electrodes?

• Lanthanum Oxide

• Thorium Oxide

• None

• Cerium Oxide

Which color code is associated with Thoriated tungsten electrodes?

• Red

• Green

• Grey

• Blue

What is the main advantage of using Ceriated tungsten electrodes?

• Easier arc start and stability

• High melting temperature

• Radioactive properties

• High electron emission

Which tungsten electrode is most commonly used for welding stainless steel?

• Green

• Purple

• Red

• Brown

What is the color code for Lanthanated tungsten with 1.5% Lanthanum Oxide?

• White

• Black

• Blue

• Gold

Which tungsten electrode is known for having a low erosion rate and long service life?

• Zirconiated

• Thoriated

• Ceriated

• Rare Earth Mix

What is the principal oxide in Zirconiated tungsten electrodes?

• Lanthanum Oxide

• Zirconium Oxide

• Cerium Oxide

• Thorium Oxide

Which color code is used for Rare Earth Mix tungsten electrodes?

• Yellow

• Purple

• Brown

• Grey

What is the main use of Green tungsten electrodes?

• Welding copper alloys

• Welding titanium alloys

• Welding stainless steel

• Welding aluminum and magnesium

Which tungsten electrode is characterized by excellent arc starts and stability?

• Zirconiated

• Lanthanated

• Thoriated

• Pure Tungsten