Function: For welding steel, nickel alloys and titanium Thorium tungsten electrodes, the most commonly used form of tungsten today. Excellent weldability and difficult to replace with other tungsten electrodes. Designed to precise specifications, you can rely on these durable electrodes for your toughest welds. Thorium tungsten electrodes are used in low current DC/AC welding. Provides excellent arc, arc stability and easy re-ignition as well as less wear. They are standard electrodes suitable for all common types. They are commonly used for carbon and stainless steel. For welding steel, nickel alloys and titanium. Product information Model: WT20 Material: 98% tungsten, 2% thorium Diameter: 1.6 mm Length: 150 mm Packaging: 10 pieces TIG tungsten electrodes WT20 1.6 x 150 mm red