Buy Tungsten Electrode

Buy Tungsten Electrode

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Each TIG welding electrode has a specific color classification that makes them easy to identify. Based on the composition of the electrode, welders will find specific applications and benefits that may work best for each electrode. Here is a brief roundup:

Green TIG Welding electrodes are pure Tungsten and are used for AC welding, often for aluminum and magnesium. They tend to be commonly used because they are inexpensive. However, they also burn up much faster than the other alloy electrodes, so prepare to stock up if you go this route.

Red Thoriated TIG Welding Electrodes are among the most commonly used electrodes because the 2% thorium mixed with the tungsten is durable and versatile. Welders can grind the tip of these electrodes to a sharp point and enjoy and stable arc that last a long time. The final weld puddle is cleaner since the electrode leaves fewer deposits, and thorium allows for easier arc starts and higher current-carrying capacity.

Switch between AC or DC welding with Thoriated electrodes. Welders can work on projects that include thin aluminum, titanium, carbon steel, stainless steel, and nickel. Since thorium is radioactive, welders remain cautious about using these electrodes.

Orange Ceriated TIG Welding Electrodes contain about 2% percent ceriated and are ideal for DC welding and lower current processes. Since it can weld carbon steel, stainless steel, nickel alloys, and titanium, some welders have found that it works well as a replacement for thoriated electrodes.

Ceriated is not recommended for welding at higher amps since the heat can change the composition of the electrode. Welders prefer to work with Ceriated electrodes at lower temperatures for small, precise parts, pipe fabricating, and welding thin metal.

Gold Lanthanated Electrodes for TIG Welding work in both AC and DC (electrode negative) settings since they can be sharpened or balled respectively depending on the project. It can weld steel from a square wave power source and it offers reliable arc starts and arc stability.

Brown Zirconiated TIG Welding Electrodes have a minimal amount of Zirconium and are best used only for AC welding jobs. Since the zirconium is a strong metal that resists cracking, it produces a stable arc and resists contamination. It can also carry an amperage current that is comparable to thoriated electrodes.

Gray Rare Earth Electrodes typically note which rare-earth oxides are present in the rod. These electrodes can be used for AC and DC welding jobs, but welders should take care to read the details of each metal listed on the package. At their best, rare earth electrodes can be counted on for a stable arc, longer life, and a current that rivals other electrodes even though they are usually smaller.

The Rare Earth Mix electrodes are the perfect substitute for the 2% thoriated (red) electrodes. Fast and reliable arc-striking, long lasting, and high durable, these will perform during your most difficult welding application for both AC & DC applications. Perfect for aluminum alloys, magnesium alloys, titanium alloys, nickel alloys, copper alloys, low-alloyed steels, and non-corrosive steels. BUY NOW

The range of TIG welding electrodes is very extensive. At the latest when it comes to choosing the right TIG electrode for your own welding task, you will be confronted with colour coding of the tungsten electrodes. The individual electrode types are marked with different colours.

As the name suggests, the main component of tungsten electrodes is tungsten. With the exception of the green TIG welding electrode made of pure tungsten, all the others are made with oxidic additives such as zirconium oxide, lanthanum oxide, cerium oxide or thorium oxide. Others contain oxidic additives with rare earths. You will find their effect and properties under TIG welding electrodes and their color coding or doping on this page.

The tungsten electrode E3 (purple) developed by ABICOR BINZEL with oxides of rare earths as doping elements is suitable for both direct current (DC) and alternating current (AC) welding. Practically any metal can be welded with it. Because of its excellent ignition properties, it is therefore also often used for automated processes. During the welding process, the electrode temperature remains consistently low, which in turn ensures better current carrying capacity and a longer service life compared to thoriated electrodes. The latter may only be used in exceptional cases because of their extremely harmful effects.

This tungsten electrode is mainly used for welding unalloyed and high-alloy steels, aluminum, titanium, copper and magnesium alloys. Its doping element, lanthanum oxide, makes it suitable for direct current as well as alternating current welding, just like the E3. The golden TIG welding electrode is also used in micro-plasma welding.

The green undoped tungsten electrode was developed for welding with sinusoidal alternating current especially for light metals. It is not suitable for direct current welding. As the green pure tungsten electrode prevents the formation of a pure square wave due to its inertia and high work function, it is not recommended to use this welding electrode with inverter power sources. The ideal replacement for the green tungsten electrode is the E3.

With its doping element zirconium oxide this tungsten electrode reduces the risk of contaminating the weld pool. This TIG welding electrode is mainly used for AC welding, because it is not only suitable for DC welding to a limited extent. In AC welding, this doping element ensures a very stable dome. On the other hand, a tungsten electrode with zirconia does not ignite as well.

Before a tungsten electrode can be used, it must be ground, because in addition to the grinding quality, the grinding direction affects the arc. Important when grinding the TIG needle: The grinding direction must be longitudinal (axial) to the electrode! A bevel in the transverse direction (radial) to the TIG welding electrode causes a very restless, unstable arc. In addition, if incorrectly ground, the smallest tungsten particles can get into the weld pool and contaminate it. An axially ground tungsten electrode has good ignition properties, a stable arc and favorable electron emission.

The ABICOR BINZEL all-rounder electrode for TIG welding E3 produces the best welding result if it is ground at an angle of 60 degrees and used in the intended current range. More acute angles of around 30 degrees are more suitable for the lower current range. In this case it is better to switch to a thinner electrode.

The table below shows the most common types of tungsten electrodes, including their suitability and properties. This overview will surely help you to find the right TIG welding electrode for your own welding process.

Experience the unparalleled versatility of Pepetools' USA-made tungsten electrodes, specifically designed for use with Sunstone Pulse Arc Welding machines on a wide range of precious metals. Crafted from solid, radiation-free tungsten, these high-quality electrodes provide exceptional performance when working with gold, gold-filled, silver, titanium, and more, making them perfect for creating stunning jewelry pieces.

Manufactured in our state-of-the-art facility, Pepetools takes pride in offering top-quality tungsten electrodes at unbeatable prices. Each electrode features one side sharpened to a perfect 15-degree angle, ensuring optimal welding results. Unlike traditional thoriated electrodes that emit harmful radiation, our electrodes contain a 1.5% lanthanum composition for safe, radiation-free welding experiences.

With precision-ground ends, Pepetools' tungsten electrodes require less sharpening compared to traditional alternatives. Expertly crafted for closing jump rings and completing permanent jewelry chain necklaces and anklets, these electrodes are ideal for working with 14k gold, sterling silver, gold-filled, copper, and other precious metal materials. Enhance your jewelry-making process with Pepetools tungsten electrodes today.

The core components of discharge lamps generally consist of a cathode, an anode, and the supporting bars. Depending on the type of lamp, the electrodes are either complex molded parts or simple pins. When voltage is applied to the anode and cathode, a bright arc is produced. The tips of the electrodes must be able to withstand temperatures of 1,800 to 3,400C during lamp operation. They transfer the waste heat to the electrode body and the supporting bars.

Tungsten is the only metal that satisfies the stringent physical and mechanical requirements. Tungsten has the highest melting point of all metals, a low vapor pressure, a low thermal expansion, and good thermal conductivity. Our special manufacturing processes prepare the tungsten perfectly for use as a cathode, anode, or supporting bar. We use special alloying additions to improve high-temperature dimensional stability, electron emission capacity, and mechanical workability in order to satisfy the specific requirements for the lamp.

We provide tungsten doped with aluminum-potassium silicate (AKS) or lanthanum oxide for cathodes. We also provide WLZ: a tungsten material doped with lanthanum and zirconium oxide. The oxide-doped alloys are the non-radioactive alternative to thoriated materials. We also provide porous tungsten or tungsten-rhenium cathode bodies for infiltration with barium oxide, for example.

Supporting bars are primarily responsible for supporting the cathodes and anodes. While the lamp is being transported, they are subjected to high mechanical impact loads. In order for the lamp to work, the electrical and thermal conductivity are also essential. We provide the tungsten alloys WVM and WL-S as the ideal solution for supporting bars. Both alloys are particularly break-proof following high-temperature treatment, during the production of the lamp bulb. 781b155fdc