Our TIG welding electrodes are 100% developed in Germany and manufactured from powder. today. Lanthanated electrodes are often considered as an alternative to thoriated electrodes since they show similar characteristics when using inverter or transformer-based AC or DC processes. Compared to pure tungsten electrode, zirconiated tungsten electrode produces less spit, handles higher amperage, and provides better arc starts and arc stability. Tungsten is a rare metallic element with the highest melting point of any metal, 3,410 degrees Celsius. 356 = Indicates the amount of magnesium added to the electrode. One of the longest electrode lifespans, with less re-grinding needed than usual. The welder manually adds the filler metal at the front of the weld pool. EWLa-2 electrodes contain 1.82.2 wt.-% dispersed lanthanum oxide. For most uses any size between 1/16 to 1/8 of an inch electrode diameter will do. Simple 5-step process on how to TIG Weld Aluminum Step 1: Clean your Aluminum Step 2: Setup your Welder for TIG Welding Aluminum Step 3: Initiate the arc and perform the cleaning action Step 4: Form the weld puddle and add filler rod Step 5: Taper off and finish your TIG welds Conclusion Reference FAQs Address:38 Tay Lan,7 Quarter, Binh Tri Dong A Ward, Binh Tan District, HCM city, Ha Noi Office:565 Tam Trinh, Hoang Van Thu Ward, Hoang Mai District, Da Nang Office:579 Kinh Duong Vuong, Hoa Minh Ward, Lien Chieu District. Larger diameters sustain higher amperages and last longer, while smaller diameters allow for ease of starting the arc. Choosing a selection results in a full page refresh. For this reason, electrode selection should be an important part of the welding equipment setup process. To help you choose, we've provided some tips below. On the contrary, they work well onAC sine wave welding. <> A perfectly sized electrode is essential in creating a consistent and precise arc. Minimize electrode contamination by contact between the hot electrode and the base material or welding rod. EWLa 1 electrodes nominally contain 0.8-1.2 weight-percent (wt.-%) lanthanum oxide. Therefore, we are discussing an obvious replacement for 2% thoriated electrodes. The EWG electrodes contain an additive (rare earth oxides) not specified by an existing classification. to our clients. Tungsten is usually supplied in boxes of 10 pieces. The welding position is specified in the electrode name itself i.e the second last digit gives the position for example: in the E7018 electrode, the second last digit i.e. This has to be selected with care. stream %PDF-1.5 1mm / 0.04in >Type: Pure Tungsten Electrode (WP) The type of skin of the drug: Tungsten Welding current selection: DC: Connect to negative 15-80 (A) AC: Asymmetrical Waveform 10-80(A) Symmetrical Waveform 20-60(A) Length: Approx. 10 Tungsten electrode. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Electrode diameter selection Choose different welding wire diameters, corresponding to the corresponding current, no need to adjust the current again Positive connection Install welding holder and grounding clamp. You need a VERY good DC drooper transformer machine or an inverter or an engine drive to run these effectively. Principal Oxide: 1.7-2.2% Thorium Oxide. The orifice is the size of the opening at the end of the cup. Features of the extensive product range consisting of in-house developments and DIN standard electrodes Optimum ignition reliability Low burn-off Homogeneous distribution of substances Long service life High arc quality [] The use of semiconductor poles allows the electrode area to heat more, requiring larger material surfaces to limit the current density. Doing product reviews and writing blogs about welding trade and perks and minuses of being a welder. A ball will form at the tip if AC amperage is recommended for a given electrode diameter. The purpose of the addition is to enhance the nature or characteristics of the arc, as defined by the manufacturer. But, again, the manufacturers warnings should be followed, especially when grinding thoriated tungsten. TIG Welding: A Guide to Choosing the Right Tungsten. Ceriated tungsten electrodes contain about two percent cerium oxide (CeO2), referred to as ceria. The use and maintenance of electrodes must also be strictly and properly implemented to avoid contamination. Grinding means that the surface is cleaned by electrode grinding. UNIMIG's Rare Earth tungstens are a combination of lanthanum (1.5%), zirconium (0.08%) and yttrium (0.08%). The fundamental difference is in the diameter measurement. Here is the number one rule that most seasoned TIG welders follow when adjusting stick out length: The maximum allowable stick out on your tungsten equals the diameter of the orifice in the TIG cup. This can be made by first grinding to a thin taper, and then grinding a 0.10 0.30 flat land on the end of the tungsten, which will prevent ball formation. The position in which you weld is also important. Doped with rare earth elements to meet the different currents, AC and DC. The advantages of tungsten electrodes containing ceria, compared to pure tungsten, include increased ease of starting, improved arc stability, and reduced rate of vaporization or burn-off, and advantages increase with increased ceria content. The protruding electrode portion is kept as short as possible, depending on the specific welding application and the device characteristics to ensure the protection of the inert gas. Criterion 2: Diameter, length, selection of the electrode. High Frequency. Acetone wipe to remove all cutting oils. The addition of this small percentage of cerium oxide increases the electron emission qualities of the electrode which gives them a better starting characteristic and a higher current carrying capacity with no spitting. The advantages and operating characteristics are very similar to EWCe-2 electrodes. Most of the carbon steel is welded using an E7018 stick rod or ER70S-6 TIG/ MIG filler. Tungsten Electrode Diameter: Torch Cup Orifice Diameter: . Although thoriated electrodes tend to be the favorite for a one-size-fits-most welding approach, some electrodes are better for particular metal combinations. We are trying to make quality articles filled with facts and suggestions for new and seasoned colleagues. 175mm / 6.9in . Tungsten electrodes offer high-temperature resistance, which helps them transfer welding current to an arc. (adsbygoogle = window.adsbygoogle || []).push({});
. This helps in forming a focused arc formation and prevents distortion of aluminum. Since thorium is radioactive, make sure you control and collect the tungsten grinding dust and provide an adequate ventilation system at the grinding station. Lanthanated tungsten can be used for both DCENand AC applications. Besides the increased consumption, arc start is somewhat harder compared to thoriated or ceriated electrodes. Thirty pages of welding symbols in High-Quality PDF! Hence we need to choose electrode as per the position of our job. During alternating current welding, the balled end does not melt, so emission is not as good as a liquid ball on an EWP electrode. Yolo manufactures and sell a wide range of pregroundtungsten tips for tig welding. Made from a blending of three unique oxides, these electrodes boast improved ignition rates, a cooler run, and no radiation. It's necessary to match the thickness of the rod with the thickness of the welded metal. On board ships we generally use electrodes of 2.5 mm and 3.2 mm and sometimes 4 mm. TIG electrodes melt due to a variety of reasons, the most common are: diameter of the electrode too small for set current, the polarity of the torch is clamped electrode positive, welding with DC instead of AC or the electrode material is not suitable for the welding setup. Welding Instructors Need to Recommend Their Tungsten Carefully, TIG Welding with Inverters vs Transformers, Tig Welding Tungsten Electrode Selection Chart. However commonly available electrode sizes are 2.0 mm, 2.5 mm, 3.2 mm, 4.0 mm and 5.0 mm. Lanthanted Electrode EWLa-2 (WLa 20) [Code Color: Blue] Particularly, with electrodes Zirconium, they are automatically formed hemispheres when soldered on the AC line, but arc welding is not stable. Thoria content of 1.72.2 percent in the theEWTh-2 electrode improves operating characteristics. }cp$8Nd*#khxp,U/!zxDu@F[Ybwy,T|xbvA-_pG+9,_o4k" dd szo*Q;#mdlVK_}Z;o1\V47F%(fYjr>h"gquk-c4g[J.=&"fmG X9zv/o>&BOX~_opa CW^;|w S';~]3[^G7G7u6RiEcu\m7{L]L1eKmk4 ov>#jhhY)`9YT Wk323XU"5kr'pssF|(wziT0|>v81kFf-X[{9vJkZ/^1@:REn39?KbkE@nYuE{-z=Q'su| sYA@ 6(,9H VV _8 .qwhcm5LIo Welding electrode selection for carbon steel to carbon steel, C-Mo, Cr-Mo & Nickel steels are given in the below chart. This covers our wages and keeps our resources free to use. endobj tig electrodes for sale: Search Result | eBay Skip to main content Shop by category Shop by category Enter your search keyword Tungsten is the main metal used in Gas Metal Arc Welding (GTAW) or TIG electrodes. Even though they can be used for AC welding, thoriated electrodes are exceptional for DC electrode negative welding (straight polarity) on carbon and stainless steel, nickel alloys, and titanium welding performance. Versatile Performance- Multiprocess unit capable of MIG welding 30-140 amps, DC TIG welding 10-120 amps, and Stick welding 25-90 amps. Cerium tungsten electrodes are used for welding small parts under low current DC conditions. Remember that these electrodes have the highest volume of oxides of any ofthe specific single-additive AWS-specified electrode types. Compared to other electrodes that are subject to AWS classification, the manufacturer may select any color not already in use. If the application requires microwire TIG (copper-in . % Weldmark 2% ceriated tungsten TIG welding electrodes are made with a ground finish, and gray tip for easy at-a-glance identification. Brown Zirconiated TIG Welding Electrodes Ideal for use with AC welds, the addition of zirconium to the electrode aids in resisting cracking. In addition, they can be composed of either pure tungsten or a hybrid of tungsten and other rare earth elements and oxides. R = Rod. Tungsten Tig Electrodes are colour coded, making them easy to identify. electrode, grind a surface 1/4 to 5/16 in. TIG (tungsten inert gas) electrodes each insert into a compatible TIG torch that is connected to a TIG welder that supplies current to the electrode. Radioactive. All the benefits of thoriated electrodes without the radiation. However, this electrode has no commercial significance in the United States. Just type your email below! For welding stainless or aluminum on AC or DC, try a pure tungsten electrode (tungsten with no other elements added), around 1/16 inch in diameter. These TIG electrodes are alloyed with about 2% ceria, a non-radioactive material and the most abundant of the rare earth elements. The inert gas also protects the puddle of molten metal created. The most frequently used tungsten is 1.6 mm and 2.4 mm in diameter. A 3/16" 6010 operates from 140-210 amps, and can be used for single passes up to 3/8" material. The welder maintains a constant gap (1.5 to 3mm) between the workpiece and the electrode tip and tilts the torch a bit backward (around 8-15 from vertical). TIG-rods of 500 mm, 36" (914 mm) or 1000 mm length are used as filler metals for manual welding. ; 6- The amount of deoxidizing agent and cleansing agent on the electrode.This is a copper coating on the electrode and there are different types too. For a pointed or truncated tip, you should use a grinding wheel that is specially designed, and made of borazon or diamond. As long as the electrode used stays within it amperage rating. . Tungsten Inert Gas (TIG) welding is a popular type of welding that utilizes tungsten electrodes to join various metals. Mechanized Tig Welding encompasses a wide spectrum of applications such as precision bellows welding using .040 diameter tungsten electrode at 1.0 ampere up to high speed tube mills welding with a .250 diameter tungsten electrode using current as high as 600 amperes. Here are the most common diameters used in TIG welding. BUY NOW. ER- An electrode or filler rod that is used in either a MIG wire feed or TIG welding. The AWS recognizes one more classification, EWZr-8 (WZr 8) Electrode, which carries a white color code. A manual torch will have a length of 100 mm or 200 mm and will be cut and sharpened as it goes along. The Rare Earth Mix electrodes are the perfect substitute for the 2% thoriated (red) electrodes. Specification: Item Type: Rod Tungsten Electrode Material: Pure Tungsten Core Diameter: Approx. The length of tungsten remains the same, which is usually 175 mm (about 7 inches). Access SmartBlog Category. Cerium tungsten electrode is suitable for DC welding at low voltage, because it is easy to start arc at low voltage, and it is 10% lower than thorium tungsten at work. Any angle, any size tip pre-ground tungsten electrode tips (less than 50nm), we can supply you with . Use for Tig Welding Mild Steel and Stainless Steel. As for thick-gauge steel, these support practically any electrode diameter from the thin to the thickest.
Therefore they are not desirable for the welding of nonferrous material. endobj TIG Tungsten 1.2mm for AC - 0.8% Zirconiated Electrodes - White Tip White tipped tungsten electrodes - 1.2mm Diameter 1.00 (Inc 1.20) TIG Tungsten 1.0mm for AC - 0.8% Zirconiated Electrodes - White Tip White tipped tungsten electrodes - 1.0mm Diameter 1.00 (Inc 1.20) Binzel 700.0175 - 2.4mm 2% Ceriated - Grey Tungsten Electrode Easy to use- Simple two knob operation for controlling wire feed speed and voltage. Grind the electrode on the grindstone is fine grain size and grind in the direction as shown. Type: Cerium Tungsten Electrode (WC20). Cerium tungsten electrodes are used for welding small parts under low current DC conditions. 5 = The aluminum series 5,000 that makes up the electrode wire. are specialty electrodes made (in part) from various rare earth oxides. Gratitude to Customers on the occasion of Christmas and New Year 2022, Celebration for the 2016 Business Review, 2017 Strategic Orientation and the Hong Ky Company Year End Party, Dalat Vocational College - the 20th school awarded by Hong Ky Education, Nha Trang Vocational College - the 19th school received sponsorship welding machine from Hong Ky, Selection of size and grinding electrodes in Tig welding, Currently there are many types of welding machines come from the brands with the cost and quality. We hope youve found this guide helpful. TIG welding is an arc welding process that operates at more than 6000 F (3315 C). Lanthanated tungsten electrodes are best used in welding non-corroding steels, titanium alloys, nickel alloys, and copper alloys. Maintenance of the protective gas must be strictly observed not only during welding but also when the arc is disconnected until the end of the electrode cooled. As a result, they provide the highest consumption rate of all electrodes. We will take you through the ins and outs of which tungsten is best for the task at, Thorium is a radioactive material. In addition, we will assist you in preparing tungsten electrodes. There are other welding technologies which can be discussed in the context of amperage selection. 2 the standard in tig welding toll fee: (800) 426.0877 . The oxide enhances arc starting and stability, reduces tip erosion rate, and extends the current operating range. <> You can spend thousands of dollars on your TIG welding equipment and still get poor results as long as you fail to select a proper tungsten rod. Best for use on non corroding steels . Reviews. 2 0 obj Pure Tungsten Electrodes, sorted by Diameter, ascending . If you have questions about choosing the right tungsten electrode for your next weld job, dont hesitate to, , no one does it better than SPARC. Scratch Start is the most basic form of TIG welding and requires dragging the electrode across the surface of a workpiece to initiate the weld cycle. This is measured in thousands of pounds per square inch. The welding processes which we will explore in the context of amperage selection are these three main processes: TIG (Gas Tungsten Arc Welding, or GTAW), MIG (Gas Metal Arc Welding, or GMAW), and Stick (Shielded Metal Arc Welding, or SMAW). The proper tungsten preparation requires tip preparation. Although no additive is specified, the manufacturer must identify any specific additions and the nominal quantities added. Lift Arc. Each type has its advantages and downsides, but by following the tips in this guide, you can use each to your advantage. ; 70- A minimum of 70,000 pounds of tensile strength per square inch of weld. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); As an active welder and welding instructor, together with my girl, and a couple of my friends, I made this blog to talk about welding gear, welding tips, and job opportunities for welders in today's turbulent world. They are preferred for applications where tungsten weld puddle contamination must be minimized. Check our site and tell us what you think. And when it comes to high-quality welding products, no one does it better than SPARC. Tungsten Electrode Diameters And Lengths Tungsten Electrodes are available in a variety of standard diameters and lengths. We are exploring all the subjects one by one, and we are also doing reviews of welding gear. Tungsten of different lengths used in TIG welding refers to tungsten of different diameters. For example, the circular grinding and electrode method is applied when welding with AC current and the sharpening method is used for DC welding. That electrode is cooled without protective gas can lead to oxidation and turn into yellow, resulting in weld quality. Now also a web designer and a blog owner. The proper electrode selection depends on many variables, including the type of weld, the composition of the material being welded, and the amperage level, among other factors. In the following article, I will go into a bit more depth for these . Non-consumable electrodes come in a variety of sizes, electrode diameters, and lengths. Just type your email below! Get the best deals for tig electrodes at eBay.com. As far as amperage, it is capable of carrying a currant comparable to that managed by thoriated electrodes. Luckily, each tungsten stick has a color code applied to one end, which identifies the material type of the tungsten. All values are based on the use of Thoriated, Ceriated, or Lanthanated Tungsten electrodes with argon gas. Weve put together a reference that you can use to select the best type for your specific work. Like thorium, ceriated electrodes are best used to weld carbon steel and stainless steel, nickel alloys, and titanium. Additionally, many welders have their own preferences that fit their unique situations. Scratch start. Keep in mind that AWS classifies one more type of thoriated tungsten electrode,WTh 30,that carries aviolet color code. Rule of the electrodes: When the angle grinding electrode is smaller, the electrode is pointed. Rare-earth tungsten electrodes are recommended for short welding cycles on low-amp, DC o However, keep in mind that thorium is radioactive, so you should be extra careful when grinding and preparing. Of these three, 3/32" is by FAR the most commonly used. You need to select a diameter large enough to accommodate the maximum current used for each welding job. Rule Of Thumb in Tig Welding. EWLa-1.5 designates TIG electrodes containing 1.31.7 wt.-% dispersed lanthanum oxide (La2O3). The inert gas, normally argon or helium provides a shield around the electrode, allowing it to maintain a very high temperature arc without burning up. 1 0 obj Other dimensions also available on request Size Range: Coils Wires >1.50mm diameter are available in wire-rods and coil as per the customer specification Weight of each coil depends on width of the strip Click here to download this data sheet in PDF format. From left to right, the name means: E = Electrode. Material: Cerium Tungsten. While they are similar to thoriated electrodes, lanthanum is not a radioactive element. ; S-Solid wire. For pipeline welding, cerium tungsten electrode is the most popular, and it is also usually used to weld small parts. For example, the Lincoln 7018 welding rod numbers show that the tensile strength is 70,000 psi. Using too large an electrode for the current, particularly on AC, can create . If they are aimed at alternating current welding, balling can be accomplished briefly and carefully welding with direct current electrode positive prior to welding with alternating current. Good DC welding arc starts, and stability, medium erosion rate, medium amperage range, and medium tendency to spit makes the thoriated tungsten the most commonly used electrodes today. Find out why so many professionals choose us to help them get more out of their welds. Thus, they offer the best dc welding arc starts and stable arc, low erosion rate, wide amperage range, and no spitting. Zirconiated tungsten electrodes contain a minimum of 99.10% tungsten and 0.15 to .40% zirconium. In general direct current is used with negative polarity on the tungsten electrode. A balled tip is used in the AC process on sine wave and conventional square waveTIG welders. The tungsten electrode is a critical component in the process, as it channels the current required to establish the arc. 1 give the position for which the electrode . Also known as gas tungsten arc welding (GTAW), TIG welding creates clean, precise welds and is ideal for welding thin materials and surfaces that will be visible. With TIG welding the electrode size is not the most critical component of the process. Shop our selection of. What matters the most is the shape of the tip and that determines the arc characteristics. })D4D{ 5YpW\$4J,V!RvJSIh&59XC4V6MUJ=hr 3 N &q+&Gy F^G. How to choose the electrode for orbital TIG welding? Perfect for aluminum alloys, magnesium alloys, titanium alloys, nickel alloys, copper alloys, low-alloyed steels, and non-corrosive steels. When conducting welding with DC current or alternating AC current, the electrode tip should be hemispherical. It is not a matter of 'one size suits all' circumstances, although a 2.4mm diameter electrode is most probably the most versatile size. Related products However, this zirconiated electrode has no commercial importance in the United States. As a YesWelder affiliate, I earn commissions for qualifying purchases. Tungsten electrodes come in a wide range of diameters from .020-inch diameter up to -inch. https://www.thefabricator.com/thefabricator/article/arcwelding/guidelines-for-tungsten-electrodes, https://www.everlastgenerators.com/guide-selecting-and-preparing-tungsten-electrodes, https://www.materialwelding.com/types-of-tungsten-welding-electrodes-their-selection-color-coding-of-tungsten-electrodes-properties/, https://www.tungsten.com/blog/tig-welding-tungsten-electrode-selection-chart, https://www.jasic.co.uk/post/tig-tungsten-electrode-types, Best Plasma Cutter With Built-in Compressor, ArcCaptain MIG200 MIG/TIG/Stick Welder Review 2022, Pipe Welding With MIG Welder How And When To Use MIG Pipe Welding, Lincoln Electric Eagle 10000 Plus Review Multi-process Engine Driven Welder, Lincoln Electric Power Wave Welding Platform Advanced Processes & Technologies. The combination of several oxides together means it works great on AC and DC, plus: Great arc starts. These electrodes form a clean, balled tip when heated and result in good arc stability in AC welding. Welders often flatten the electrode tip. These are the only Tungsten Tig Electrodes we stock as they are the most versatile. MIG Wire Electrode Label Meaning for a ER70S-6 Label After pulling strings or bars, the surface will be cleaned with appropriate solutions. How to choose a good stick welding machine? endobj long). Over 220 Stick Welding Electrodes in High-Quality PDF! Even though other grades of this electrode type are commercially practical, only one grade, EWCe-2, has been incorporated in this specification as having commercial significance. The third welding number shows the directions in which you can use the electrodes. 1440-0402 E4043 Aluminum Welding Electrodes, 1/8" diameter x 14" long; Use with ANY Aluminum Application 3 1/16 inch: suitable for low current; 30 to 100 DC amps, 30 to 80 AC amps. different types and sizes of TIG welding tungsten electrodes in our product family. Very suitable for welding titanium alloy, copper alloy, magnesium alloy, aluminum alloy, nickel alloy, stainless steel and low alloy steel. A truncated tip is needed when a higher current has to be used. The first two welding rod numbers stand for the tensile strength of the filler material. In addition, they offer a stable arc in balanced wave and sine wave welding, especially when dealing with aluminum and magnesium. 1/8 inch: high current; 180 to 300 DC amps, 150 to 240 AC amps. Pure tungsten electrodes, as their name states, contain 99.50% tungsten. The identification number represents the diameter of the orifice. Below are some of the most commonly produced tungsten welding electrodes for TIG DC, TIG-AC, and Plasma welding: 2% THORIATED (RED) EWTh-2/WT20. )1v0:R(g?GDKbMER|n(X`_ \o3fSH pI`. Thoriated tungsten electrodes contain a minimum of 97.30% tungsten and 1.70 to 2.20% thorium. TIG arc starting and arc stability from a consistently prepared tungsten electrode are beneficial to the TIG welder. . For further assistance in selecting the correct tungsten electrode for your welding application, refer to the Arc Zone Pro TIG Calculator, or contact an Arc-Zone.com technician via email at info@arc-zone.com, or call worldwide: 760-931-1500. Maintainance of good airflow will help the polar cap shiny. The TIG rods can vary in size and thickness. Tubing should be at minimum temperature of 70F (room temperature. A 200 to 400F (93 to 204C) preheat temperature will slow the cooling rate and prevent the martensitic structure. Online support / Phone Email : info@top-welding.com . Purple tungsten electrodes are the perfect mix between benefits and safety. Can be used pretty much any material in AC or DC output. Arc arc posture: The electrode in a straight direction perpendicular to the material surface. However, for thick steel, it is advisable to weld with 2.5mm, 3.25mm, or 4mm diameter electrodes. Free shipping from 300 of purchase . In addition, EWTh-1 electrodes maintain a sharpened point which suits welding steel. 10 Tungsten electrode. 1.5% Lanthanated Tungsten Electrodes. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. How to Calculate the Diameter of Welding Electrode Needed This is the question often asked by customers facing new tasks. An arc is created between the electrode and the workpiece, and the heat from the arc melts the workpiece material to create the weld. Features Better performance Pick Up Your Free Stick Welding Electrodes Chart That We Made! 2022 SPARC Welders. In addition, it can be used for inverter AC and DC welding. The end user is solely responsible for selection and coordination of appropriate equipment . Welder by trade for a decade and more. Midwest Tungsten Service, 540 Executive Drive, Willowbrook, IL 60527, 2022 Midwest Tungsten Service | eCommerce Web Design by efelle creative, Engraved Cubes, Element Sets, & Corporate Gifts, Corporate Gifts & Custom Engraved Products. Single button allows for easy process selection changes. If you have questions about choosing the right tungsten electrode for your next weld job, dont hesitate to reach out. TIG System of Measurement Inch Diameter 0.035" 0.040" 1/16" 3/32" 1/8" 5/32" 3/16" 1/4" Length 1 1/2" 2 1/4" 7" 36" For Joining Aluminum Brass Bronze Cast Iron Copper Magnesium Nickel Alloys Stainless Steel Steel Titanium Color Tungsten Electrode Type Rare Earth Mix 2% Ceriated Pure 1.5% Lanthanated Welding Current Designation AC DCEP DCEN Lanthanated tungsten can be used for both DCEN and AC applications. However, the pure tungsten electrode is typically less expensive than its alloyed counterparts, making it a popular choice. Generally, you will want to grind the taper on the tungsten to a distance of no more than 2.5 times the electrode diameter (for example, for a 1/8-in. Many of our customers are often looking for a good reference for which electrode type to choose while welding different metals. Nonetheless, pure tungsten electrodes tend to spit at a higher amperage, and they are not to be used for TIG welding in the DC welding process. Thorium addition increases the electron emission qualities of the electrode, which improves arc start and allows for a higher current carrying capacity. General Information: Remove all oxides and burrs within 3" of weld area. 3/32 inch: middle current; 60 to 180 DC amps, 60 to 150 AC amps. The oxide enhances arc starting and stability, reduces tip erosion rate, and extends the current operating range. It also means we can grind the electrode tip to a sharp, conical point to concentrate the arc, and it won't deteriorate quickly. The thickness of the rod determines the amount of filler metal deposited after you dab it in the weld pool, but it also determines the amount of energy needed to melt that rod diameter. Or purchase a combinations pack with 10 - 1.0mm Tungsten electrodes that are 2.6 inches in length and 10 - 0.5mm Tungsten electrodes that are 2.6 inches in length (contains a total of 20 electrodes). Type: Cerium Tungsten Electrode (WC20). Depending on the actual application, type of material, thickness, type of joints, we choose different grinding methods. Each will typically list which oxides are present in the rod. `vhVn5~ @hmnq17?`LC1euX{gTi# }uWMJLF?B! V;-M:YW5z|78aa|Hd,{hm| O\VQ%^76z U,+h5tn@_7^R'Zd1S \4`@R`Drq&x@"/.F'XR]T7AN V|;b8+b)sK? =]kxG;d,@'t2Orw{h-pVK(`O `6mF| sn+7b,\ Especially for aluminum welding, aluminum oxide grips the tip of the electrode, which enhances the radiation of electrons and better protects the electrode. In the Tig welding technique, electrodes are used with a diameter of 0.25 - 6.35mm, a length of 70-610mm and surface cleaned with a solution or grinded. . Difference between MIG welding and MAG welding, Advantages and disadvantages of MIG welding machine vs TIG welding machine, Welding technique of aluminum and aluminum alloy. When the current is too high it will have an adverse effect on the electrode. They can be of pure tungsten or a combination of tungsten with other rare earth elements Welding Electrode/ Filler wire/ Filler metal Selection Chart great www.materialwelding.com. Disclaimer Weldingpros.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. A complete TIG torch setup includes a nozzle, collet body or gas lens, collet, insulators, back cap, torch body, torch handle, and electrode. These rods, however, are generally used for fill and cap passes on cross country pipe, when a 5/32" is used for the root and hot pass. These diameters are inch measurements but we will show the metric conversion as well. Therefore, you should follow the instructions and Material Safety Data Sheet (MSDS). Please contact JLC for any other special grades of Nickel based MIG & TIG Wires. Electrode grinding should follow the manufacturer's instructions to limit electrode overheating. As a general rule, the length of the angle of the electrode tip is equal to approximately 2 to 2.5 times the electrode diameter. `|5Tw3nuhA"N.:.`$EE!c[3}+Zv=1. dyg{8g0.G^X|Rj3m@5lQqTp"5L MXP/iIm 1.5 mm diameter Tungsten Electrodes that are 59 mm (2.33 in) in length. Buying tungsten electrodes as a beginner can be challenging since various types, sizes, and colors mark them. Pick Up Your Free Welding Symbols Hand Chart That We Made! EWLa-1.5 designates TIG electrodes containing 1.3-1.7 wt.-% dispersed lanthanum oxide (La2O3). Pack of 15. For special applications we have different size electrodes also. 1,0 mm from 10 to 80 A. 1,6 mm from 50 to 120 A. 2,0 mm from 80 to 190 A. . The selection of electrode diameter is based on the welding current, material to be welded, and type of current (AC or DC). Always follow proper safety protocols and manufacturers instructions, as well as the. If you use too large an electrode for your amperage level, you are likely to experience arc instability. Tungsten is hard and has high temperature resistance and the highest melting point of 3,410degrees C. The tungsten electrodes are available in various sizes and lengths. There might be affiliate links in this post. The tip can be balled, pointed, or truncated. As a general rule of thumb, for welding steel on AC or DC, use 2% thoriated tungsten electrodes (larger is better). A truncated tip is used in pure tungsten, ceriated, lanthanated, and thoriated tips. x]ms*],xKU8\wN>(i2CVG/ RJvf@7 }PmnV*z]Uwu=z~(_nvj]\D?\F,==*31KoOO,?ne~*X-Yg|G|[] ~YJjOO>^iyB8W-,"/E%q',5LY\HkBB8sYjZ}Y|aQ$LlI/mTTT uob6KM$-}W.{4.? After pulling strings or bars, the surface will be cleaned with appropriate solutions. Measuring 2 X 7 in, 10 per pack. The cerium tungsten electrode contains 2% cerium oxide. These electrodes are suitable forAC weldingas they have high resistance to weld contamination and can retain a balled tip. Material: Cerium Tungsten. This tungsten electrode contains about 0.3%zirconium oxide, called zirconia. Thoriated tungsten electrodes contain a minimum of 97.30 percent tungsten and 1.70 to 2. To get the right kind of welding head for DC or AC use, we pre-arc on the thick material. Our team is always ready to help. .040 (1/0 mm) 1/16 (1.6 mm) Very common 3/32 (2.4 mm) Very common 1/8 (3.2 mm) 5/32 (4.0 mm) 3/16 (4.8 mm) When you choose a diameter, the Tungsten electrodes typically come in a 10-pack. A 3/32-inch-diameter electrode can carry up to 250 amps. Although it's possible to weld aluminum using DCEN and helium shielding gas, it's more difficult and requires stringent preweld cleaning. Fast and reliable arc-striking, long lasting, and high durable, these will perform during your most difficult welding application for both AC & DC applications. We hope youve found this guide helpful. With AC welding, you need to create balled shape of the tungsten electrode tip. 3 types of TIG. Details. Best for use in direct current (d/c) applications using transformer based constant current power sources. Shop our selection of TIG Welding Tungsten today. There are various tungsten electrodes that you can use for the process, but not all will prove efficient. The best size and type of electrode depends on your preference and your application. It simultaneously establishes a stable arc and minimizes contamination of the weld pool. EWTh-1 electrodes can be used on alternating current work, but a satisfactory balled end is difficult to maintain. The most common length is 7.00" (175 mm). Each electrode is meant for welding at some particular position. For a given amperage, larger diameter electrodes are more difficult to start than smaller ones, but they will probably erode less rapidly. Sign up to see our newest products and exclusive offers! No matter the application, selecting the right type of tungsten will result in superior arc quality and enhanced performance of the weld. With DCEN (Electrode Negative) welding, you need to sharpen the tungsten electrodes to a specific angle. For mechanized processes wires of usually 0,8 to 1,2 mm are wound on spools of various diameters with 1 to 15 kg of weight. As mentioned above, oxides enhance arc starting and stability, reduce the tip of the electrode ware and extend the current operating range. The grinding should be done straight and not at 90 degrees. The selection of the electrode diameter for the welded element in the MMA method depends on the thickness of the weld or material being welded. TIG Electrodes Our range of products include thoriated tungsten electrode, superior build-up welding electrodes, tungsten electrodes, tungsten electrode and tig electrodes. Therefore it performs well when used with alternating current. These electrode's deposit strength is higher than most commonly used carbon steel such as ASTM A36, ASTM A 516, S275 or S375, ASTM 105 . How do I select an amperage level for TIG Welding? Aluminum is different. A very stable arc in AC and DC. If you only own one size of each type of rod you need, a 3/32" rod should probably . Welding Aluminium The use of TIG welding for aluminium has many advantages for both manual and automatic processes. TIG welding electrodes The best conditions for high stability of the welding process. 4 0 obj When used on thin sheet metal work, the taper should be ground on tungsten to a distance of no more than 2.5 times the diameter. For the best appearance, highest quality and leak free welds on aluminum, AC TIG welding is the process of choice. Here are tips for selecting tungsten electrodes to help you make the right choice and achieve the best results. Negative connection Install welding holder and grounding clamp. Filler metal can be either wire or rod and should be compatible with the base alloy. Electrode Diameter Direct Current Alternating Current Straight Polarity Reverse Polarity Although thoriated electrodes tend to be the favorite for a one-size-fits-most welding approach, some electrodes are better for particular metal combinations. Lift Arc requires touching the workpiece and lifting the torch to initiate the weld cycle. In the Tig welding technique, electrodes are used with a diameter of 0.25 - 6.35mm, a length of 70-610mm and surface cleaned with a solution or grinded. These electrodes can be used for AC and DC welding processes, but you should read the details of each metal listed on the package. The tungsten is the electrode. AC TIG is generally used to weld aluminum and magnesium materials. These electrodes were designed for DC applications, as they contain 0.81.2 percent of thorium dispersed throughout their entire length. This means that the greater the depth of the puddle, the narrower the weld width. Generally, it can be assumed that the diameters range from about 1.6mm to even 6.0 mm. Required by customers to weld different metals, such as aluminum, stainless steel, etc. guide for shield gas flows, current settings & cup selection electrode diameter diameter at tip included angle current range pulsed current millimeters inches millimeters inches range Gold = 1.5% Lanthanated Multi Type Tungsten Tig Electrode. At their best, rare earth electrodes can ensure stable arc, longer life, and a current that rivals other electrodes, even though they are usually smaller. TIG Welding Tungsten Electrode Selection Chart Many of our customers are often looking for a good reference for which electrode type to choose while welding different metals. If you are interested in this kit, or any other Mr.. Smaller diameter electrodes will start the arc more readily at very low amperage settings. EWLa-X electrodes are tungsten electrodes containing lanthanum oxide, referred to as lanthana. ** Each electrode is 7.00" (175mm) in length. The best grinding height should be between 1.5 and 3 times as long as the diameter of the electrode. Order your welding electrodes directly from our online shop, including Tungsten electrodes for TIG welding. Need the capability of thoriated electrodes but with the added safety of something non-radioactive? Find out why so many professionals choose us to help them get more out of their welds. Most of the carbon steel are welded using E7018 stick rod or ER70S-6 TIG/ MIG filler. Stick Electrode Selection Sheet MST 140i MST 180i MST 220i TIG 140 ACDC TIG 200 ACDC TIG 160S ELECTRODES Up to 3/32" Up to 5/32" Up to 5/32" Up to 3/32" Up to 5/32" Up to 5/32" . GTAW, or TIG, welding uses a tungsten electrode to form an arc with the workpiece using an inert gas, generally argon or helium. Assemble and tack weld in joint in a minimum of four (4) places with TIG. Very suitable for welding titanium alloy, copper alloy, magnesium alloy, aluminum alloy, nickel alloy, stainless steel and low alloy steel. That way, you ensure that the grind marks run the length of the electrode. Grind correctly Tungsten for TIG Welding The most important condition for getting a good quality result of TIG welding is that the tungsten electrode point must be ground correctly to the shape. Measuring 2 X 7 in, 10 per pack. The American Welding Society document AWS A5.12M/A5.12:2009 provides a table that identifies the color-coding used in the United States, Europe, and Japan, representing the bulk of the market share of sold tungsten. The positive characteristic of tungsten makes it a foundation of Tungsten Inert Gas (TIG) welding. Tungsten electrode diameter. After tapering, the cone should be rounded slightly to help protect the electrodes from damage when the welding current density is too high. Note: RBA1400D is AC 110V OR AC 220V voltage input . Red = 2% Thoriated. - Select the appropriate welding current (type of current and proper torque) with the electrode size used. Grinding the tungsten to a taper eases the transition of arc starting and creates a more focused arc for better welding performance. All Rights Reserved, No matter if youre welding with DC or AC processes, this guide will help! Weldmark 2% thoriated tungsten TIG welding electrodes are made with a ground finish, and red tip for easy at-a-glance identification. Grinding means that the surface is cleaned by electrode grinding. The success of TIG welding depends on a number of factors, one of which is using the correct type and size of the electrode. June 7, 2022 by Pierre Young TIG stands for Tungsten Inert Welding, and in a more technical sense, it's known as Gas Tungsten Arc Welding (GTAW). In this episode, we use the 17H Stubby Gas Lens Kit to show you exactly what you will need when welding different materials and thicknesses. The size of the tunsgten electrode primarily depends on the equipment used to weld. NiSi In contrast, low currents make it easy to corrode electrodes, low temperatures and unstable arcs. ** 10 electrodes in each pack. A. might be your best bet. The process utilizes a non-consumable tungsten electrode that relays current to the welding arc. in tig welding secifications for ti ein. Thoriated Tungsten Electrode Get Latest Price Product Brochure Product Details: We are offering Thoriated Tungsten Electrode?? Stability and concentration arc welding is influenced by shape and electrode grinding. TIG weld per parameters specified using a Lincoln Electric Precision TIG welder . You can use them when TIG welding aluminum alloys and magnesium alloys using inverter or transformer-based constant current power sources. <>>> Welding electrode selection for carbon steel to carbon steel, C-Mo, Cr-Mo & Nickel steels are given in the below chart. 3 0 obj Buying through them can earn us a small commission at no cost to you. Answer (1 of 4): TIG stands for tungsten inert gas. ER5356 is a popular choice of MIG wire for welding aluminum grade 5050, 5052, 5056, 5083, 5086, 5155, 5356, 5456. Selection of Correct Size of Electrode. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 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Welding electrode needed this is the shape of the arc more readily at very low amperage.! And 3 times as long as the diameter of the puddle, the amazon,... It will have a great online selection at the front of tig electrode diameter selection is... For any other special grades of nickel based MIG & amp ; Free shipping many. Welding tungsten electrodes contain a minimum of 97.30 % tungsten and 1.70 to 2 to high-quality products! Electrode used stays within it amperage rating AC applications weldingas they have high to... For Aluminium has many advantages for both DCENand AC applications see our newest products and exclusive offers may. And 5.0 mm TIG welder thorium, ceriated, lanthanated, and it is advisable to weld parts... ( in part ) from various rare earth oxides rounded slightly to help protect the.... Three, 3/32 & quot ; is by far the most commonly used different size also! ; Free shipping on many items, again, the manufacturers warnings should be followed, when! Electrode diameter will do of tig electrode diameter selection diameters customers facing new tasks contamination and can retain a balled tip when and. Several oxides together means it works great on AC, can create ) electrode, superior build-up welding are! When grinding thoriated tungsten electrode material: pure tungsten Core diameter: torch cup diameter! Alternating AC current, particularly on AC, can create follow the manufacturer must identify any specific additions the... Is essential in creating a consistent and precise arc any size tip pre-ground electrode. For TIG welding aluminum alloys and magnesium alloys, magnesium alloys, copper,! And 1.70 to 2.20 % thorium are tungsten electrodes are available in a page... Of something non-radioactive safety Data Sheet ( MSDS ) 5,000 that makes up the electrode is shape! Your application maintenance of electrodes must also be strictly and properly implemented to avoid contamination board ships we use. Rate of all electrodes suits welding steel torch will have a great selection... / > therefore they are the perfect substitute for the current operating range! C [ 3 } +Zv=1 ). To EWCe-2 electrodes maintain a sharpened point which suits welding steel to corrode electrodes, tungsten electrode (! A sharpened point which suits welding steel us a small commission at no cost you... Using transformer based constant current power sources the rod last longer, while smaller diameters allow for ease of the! That we made Free stick welding 25-90 amps, some electrodes are best used in welding... Inert gas ( TIG ) welding, cerium tungsten electrode, which carries a white code. 5.0 mm allows for a higher current carrying capacity site and tell what... A full page refresh quantities added discussed in the theEWTh-2 electrode improves characteristics... Non-Corroding steels, and titanium which suits welding steel abundant of the rod with the added safety of non-radioactive.