Amplify™ 2% Thoriated Tungsten Electrodes

Trusted performance for DC TIG welding with excellent arc stability and long electrode life.
Amplify™ 2% Thoriated Tungsten Electrodes are high-performance electrodes engineered for professional DC TIG welding applications. Known for their excellent arc behavior, dependable arc starts, and outstanding tip life, 2% thoriated tungsten has long been the industry standard for welding carbon steel, stainless steel, nickel alloys, and other metals using direct current.

Each package includes ten 7" (175 mm) tungsten electrodes. Amplify™ electrodes meet or exceed ISO 6848 and AWS A5.12 standards for consistent quality and reliable performance.

Why Choose 2% Thoriated Tungsten?

• Excellent Arc Performance: Produces a stable, focused arc with consistent starts.
• Long Tip Life: Maintains a sharp point for extended welding sessions.
• Professional Performance: Preferred for many DC TIG welding applications.
• Proven Formula: One of the most widely used tungsten electrode types in the industry.

Key Features

• 2% thoriated tungsten electrode formula
• Red color code
• Excellent arc behavior
• Outstanding tip life
• Reliable arc ignition and stability
• Designed for DC TIG welding applications
• Meets or exceeds ISO 6848 and AWS A5.12 standards
• 7" (175 mm) electrode length
• Package of 10 electrodes

Available Tungsten Sizes

• .020" (0.5 mm)
• .040" (1.0 mm)
• 1/16" (1.6 mm)
• 3/32" (2.4 mm)
• 1/8" (3.2 mm)
• 5/32" (4.0 mm)
• 3/16" (4.8 mm)
• 1/4" (6.4 mm)

Important Safety Information

2% Thoriated Tungsten contains thorium dioxide, a radioactive material. When grinding thoriated tungsten electrodes, always wear appropriate respiratory protection and control grinding dust at the source using adequate exhaust ventilation. Follow all applicable workplace safety and disposal regulations.

Protective Packaging

Amplify™ tungsten electrodes are packaged in clear plastic storage tubes with removable black vinyl caps. Each tube includes Arc-Zone's trademark wood strip to help reduce moisture contamination and support longer electrode storage life.

*Product packaging may vary.*

Organize and Protect Your Tungsten

Keep your tungsten electrodes clean, separated, and ready to use with the Arc-Saber™ Tungsten Storage Solution.

Learn More About Tungsten Electrodes

Learn how electrode quality affects arc starts, consistency, and TIG welding performance in our guide: What Makes a Quality Tungsten Electrode?

Frequently Asked Questions

What does the red color code indicate?
Red identifies the electrode as 2% thoriated tungsten (EWTh-2).

Is 2% thoriated tungsten radioactive?
Yes. It contains thorium dioxide, which is radioactive. Appropriate precautions should be taken when grinding or disposing of these electrodes.

What welding applications is it best suited for?
2% thoriated tungsten is commonly used for DC TIG welding on carbon steel, stainless steel, nickel alloys, and other conductive metals.

How many electrodes are included?
Each package contains ten 7" (175 mm) tungsten electrodes.

What sizes are available?
Available diameters range from .020" (0.5 mm) through 1/4" (6.4 mm).

Prop 65 Compliant