Blue demon offers an excellent welding rod selection, providing you with options for choosing the best welding rod sizes and packages based on your personal use. Stick electrodes are available in a wide range of types, each of which provides different mechanical properties. Guidelines for welding process selection me mechanical. Super 7 e60 has a low spatter and smoke, the initial strike and restrike is excellent. The last two digits indicate the current and position used. In welding applications, electricity is drawn through an electrode, creating an arc of electricity at the tip of the electrode. Stick welding equipment is the simplest of all the electrical arc welding processes. The selection of a correct type of welding electrode for specific application is a very important consideration in arc welding. Esab is a world leader in specialty alloys, with a portfolio including stainless steel, nickel and highalloy filler metals, strip cladding electrodes and fluxes. Print this selection chart and keep it in your work area as a useful reference when selecting the tungsten material for your next project. Designed to aid the selection of the most appropriate consumables and methods for welding stainless steels, it is hoped that the avesta welding manual reflects this position. In this article, we will discuss about the various factors responsible for choosing a right welding electrode for shielded metal arc welding process smaw for carbon steels. Flux cored electrodes 33 tig welding 34 oxyfuel gas cutting 37 plasma cutting 44 safety always 46 conversion data inside back cover air products welders handbook. Esab offers an unmatched ability to meet your specialty alloy needs.
Smaw or stick electrodes are consumable, meaning they. Base metal or parent metal is one of the most important factor to be considered while selecting an electrode. Stick electrodes are selfshielded and cut down on the amount of equipment neededno need. Even though its an old welding process, it still plays an important role in manufacturing, with about 150 million to 200 million pounds of electrodes consumed in north america each year. The mild steel and low alloy steel stick electrodes include the following varieties. When molten metal is exposed to air, it absorbs oxygen and. The welding electrode identification system for stainless steel arc welding is set up as follows. The selection chart is a reference guide for suggested welding applications. Heres what you need to know about this important welding consumable. Welding electrodes premium super 7 e60 electrode application. This guide will help eliminate this variable as a concern in your welding and make it an asset.
Electrode materials vary and include copper, tungsten, and molybdenum. Super 7 e60 is a high quality rutile coated general purpose electrode for welding in all positions. Welding can be done without the use of a filler metal by the use of heat energy alone. Ac that call for welding high tensile steels such as t1 steel and hy80. Handbook on selection of welding electrodes draft 1. Electrodes and equipment selection one of the most common processes for field welding repair is shielded metal arc welding smaw, or stick. Before welding, it is recommended by wia that the materials weldability compatibility be confirmed by a suitably qualified welding specialist in choosing the correct welding electrode to be used. Selection guide for basic electrodes normal strength rel. Selection of right welding electrodes is a quite challenging job because we need to consider many factors while choosing the best alternative. Oxyacetylene gas welding process can be used for carbon steel, copper, aluminum, bronze welding, sheet metal welding.
It is easy to strike and restrike and therefore also good for tack welding. To offset this tendency, an electrode with a fast freezing deposit is needed. The attached tables provide generally accepted electrode selections for the. For welding of heat resistant steel, filler material with heat resistant deposit only may be used. Indicates how strong this electrode is when welded. Welding procedures outofposition welding vertical and overhead when welding outofposition, the molten metal tends to spill out of the joint. Electrodes need to be stored in a moisturefree environment and carefully removed from any package follow the directions to avoid damage. Choosing a electrode to weld stainless steel depends on the grade of stainless steel you are welding here are the two most common stainless steel electrodes. Welding electrode classifications mild steel coated electrodes e7018x e indicates that this is an electrode 70 indicates how strong this electrode is when welded. Weld filler metal selection chart for shielded metal arc welding. This video is about the selection of a suitable electrode or filler metal based on the base material composition.
Avesta welding manual preface avesta welding ab is part of a group that is at the forefront of stainless steel technology. Revision 01062014 weld filler metal selection chart for shielded metal arc welding smaw for various metal combinations. Resistance welding electrode selection guide sunstone. The electrode requires selecting the perfect one in order to facilitate easy clean up, weld strength, bead quality, and for minimizing the spatter. Stick welder power supply with the electrode holder, ground clamp and welding electrodes. Sticksmaw stainless steel welding electrode selection choices. Lincoln electric is a responsive manufacturer, but the selection and use of specific. Welds are created when the electric arc at the tip of. In addition to welding, other ancillary joining methods are discussed, including soldering and brazing.
Consumers have access to many different types of welding electrodes. The types of electrodes available for stick welding are many, and each of them has their specific use. When choosing a welding rod, the welder has to consider the type of welding and the material being welded. It is an all position welding rod and is best for vertical down welds. The special consideration cases have come about from past experiences in industry. Hindiurdu how to select electrodes or filler metal. The welding process welding is a process for joining or fastening two pieces of similar metals workpieces by melting and fusing 1 the base metals being joined and 2 the filler metal applied. Electrode selection is critical to ease of cleanup, weld strength, bead quality and for minimizing any spatter. Stick welding is a skill that takes much practice to master, and selecting the correct electrode for the job can be equally challenging.
Several factors are critical when you choose an electrode for welding. Tig welding and mig welding processes do use electrodes by definition, but tig uses a semiconsumable tungsten rod and mig welding uses a highly consumable wire, both of which have little significance when talking about amperage selection. The attached tables provide generally accepted electrode selections for the base materials shown, along with process areas that need special consideration. Metal arc processes utilize consumable electrodes that combine electrode. Smaw or stick electrodes are consumable, meaning they become part of the weld, while tig electrodes are nonconsumable as they do not melt. A welding rod is used during the welding process to add material into the weld zone. Nearly sixty years of experience have gone into producing these premium quality tig welding tungsten electrodes, and you benefit from that experience. The first three digits indicated the american iron and steel type of stainless steel. Resistance welding electrode selection is one of the challenges when starting out in resistance welding. It started with manufacturing electrodes more than 50 years ago, today weldwell new zealand offers global brands paired with local support bringing the best of welding to new zealand. High quality welding accessories to boost productivity. Welding made with outofposition electrodes is slow, relatively expensive and require a high degree of operator skill. Every welding rod has a number that is assigned to it based on american welding society aws standards.
These electrodes are good arc gouging electrodes and great for cutting steel, high temperature alloys, aluminum, copper, and stainless steel. Since the welding position is dependent on the manufacturers characteristics of the coating, the third and fourth numbers are often identified together. There are three different types of coating applied to shielded arc electrodes, which each have different results during the welding process. Wia accepts no liability for the products selected from this selection chart, as it is intended to be used as a guide only for selecting the correct electrode for its general application. Please note that a selection chart for choosing correct welding electrode based on the parent material in pdf format is given at the end of this article. Firstly, there are those with coatings containing cellulose, which uses a layer of gas to protect the weld zone. It gives less spatter than most other rutile electrodes, the slag is easy to remove and the weld bead is smooth and even.
Small diameter pipe welding can be effectively carried out. There are a variety of factors that go into choosing the right electrode for each project. Among all the other types of welding, the stick electrode welding is considered to be portable, simple and reliable. The welding current increases with the electrode size diameter. It is used for welding 304 and 304 grade stainless steel. This information applies only to the selection and preparation of electrodes for gas tungsten arc welding gtaw, also known as tungsten inert gas tig welding and plasma arc welding. Jetweld lh110m mr is also a great match for any general fabrication or repair where the weld deposit must meet aws e11018m. Stick welding learn basic electrode selection, welding. Each offers features that make it ideal for a certain application. Wia accepts no liability for the products selected from this selection. In this video i have explained about the electrodesfiller metals for the most. Stick welding smaw aws class position polarity usage all ac, dcep allpurpose stick electrode.
The beginners guide to different types of welding rods. Stick welding, or shielded metal arc welding, has been around more than 100 years. Our range of high performance electrodes, rods and fluxes offers an optimum solution for every welding application. Carbon steel ltcs imoat test low and intermediate alloy steel. Covered electrodes for manual metal arc welding of. Weld filler metal selection chart for shielded metal arc welding smaw for various metal combinations. Arc welding operations are performed by conducting the welding current through consumable electrodes, which take the form of a wire or rod, or nonconsumable electrodes, consisting of carbon or tungsten rods.
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