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64014000 - 5/32" E3 Purple Rare Earth Tungsten Electrodes (10-Pack)

Packaging: 10 pcs in a pack
$187.37/pak

In stock

OVERVIEW

Versatile 5/32" E3 Purple Tungsten for All-Purpose TIG Welding

Upgrade your TIG torch with E3 Purple Tungsten Electrodes, the ultimate "do-it-all" welding rod for professional welders. If you are tired of switching between Green tungsten for aluminum and Red tungsten for steel, the E3 Purple is your solution. This 5/32" (4.0mm) electrode is a powerhouse, capable of handling the high heat and amperage required for welding thick sections of steel, stainless steel, and aluminum. It combines the best characteristics of traditional tungstens into one safe, non-radioactive package.

The "E3" classification stands for a mixture of three rare earth oxides. This advanced chemistry gives the electrode superior conductivity and arc stability. You will notice immediately that the arc starts easier and stays focused, even at lower amperages. However, where this 5/32" rod truly shines is in high-amp applications. It resists splitting and mushrooming better than pure tungsten on AC, and holds a sharp point longer than thoriated tungsten on DC. This means you spend more time welding and less time walking to the grinder.

Why Choose E3 Purple?

  • One Rod, Any Metal: Seamlessly transition from DC welding on stainless exhaust pipes to AC welding on aluminum brackets without changing your tungsten.
  • Safety First: Contains no Thorium or radioactive elements, making grinding dust safer for you and your shop environment.
  • Longer Life: The tip stays harder and cooler, giving you more weld time per grind.
  • Consistent Arc: Reduces arc wandering, helping you lay down those perfect "stack of dimes" beads.

Sold in packs of 10, these 7-inch electrodes are compatible with all standard TIG torches and collets designed for 5/32" wire. Whether you are a job shop fabricator, a motorsports welder, or a heavy equipment repair tech, the E3 Purple Tungsten is the reliable, high-performance choice for your toolbox.

Additional Information
Tungsten Type:E3
Diameter:4.0mm (5/32")
Used To Weld:Steel or Stainless or Aluminum
Packaging Description:10 pcs in a pack (10-pcs-in-a-pack)
Color Code:Purple
Length:7 inch
Material Composition:Rare Earth Oxides (Mixed)
Current Type:AC/DC
AWS Classification:EWG
Used To Weld?:Steel or Stainless or Aluminum

INCLUDED

  • 10 x E3 Purple Tungsten Electrodes (5/32" x 7")
  • Plastic Storage Case

APPLICATIONS

  • Heavy structural steel fabrication
  • Aluminum plate and casting repair
  • Stainless steel piping and vessels
  • Automated and robotic TIG welding cells
  • Aerospace and motorsports fabrication
  • Maintenance and Repair Operations (MRO)

FAQ

E3 Purple is a blend of rare earth oxides and is non-radioactive, whereas Red tungsten contains Thorium, which is low-level radioactive. E3 runs cooler and offers similar or better performance on DC, while also being capable of AC welding.

Yes, E3 tungsten is excellent for AC welding of aluminum. It maintains a stable arc and holds its geometry better than Pure (Green) tungsten, preventing the tip from balling up excessively.

Generally, no. Unlike Pure tungsten, E3 works best with a ground point or a slightly truncated (flattened) tip, even on AC. This provides a more focused arc and better penetration.

A 5/32" (4.0mm) tungsten electrode is typically rated for approximately 200 to 400+ amps, depending on the current type (AC vs DC) and the gas cup size used. It is designed for heavy-duty applications.

Yes, E3 tungsten is highly recommended for modern inverter power sources due to its excellent ignition properties and ability to handle the high-frequency starts and advanced waveforms of inverters.

You should grind the tungsten longitudinally (lengthwise with the rod) to ensure a stable arc. For safety, use a dedicated grinder with dust extraction, although E3 dust is not radioactive like Thoriated tungsten.

The purple color code identifies the electrode as an 'E3' or Rare Earth mix type, distinguishing it from other types like Red (Thoriated), Green (Pure), or Blue (Lanthanated).

The 5/32" diameter is a larger size used for welding thick materials where high heat input is required. It prevents the electrode from overheating and melting under high amperage loads.