Super 7 e60 is a high quality rutile coated general purpose electrode for welding in all positions. Electrodes need to be stored in a moisturefree environment and carefully removed from any package follow the directions to avoid damage. Resistance welding electrode selection guide sunstone. The attached tables provide generally accepted electrode selections for the. The special consideration cases have come about from past experiences in industry. Covered electrodes for manual metal arc welding of. Stick welding equipment is the simplest of all the electrical arc welding processes. Several factors are critical when you choose an electrode for welding. The selection of a correct type of welding electrode for specific application is a very important consideration in arc welding. Stick welding smaw aws class position polarity usage all ac, dcep allpurpose stick electrode.
Base metal or parent metal is one of the most important factor to be considered while selecting an electrode. The selection chart is a reference guide for suggested welding applications. The attached tables provide generally accepted electrode selections for the base materials shown, along with process areas that need special consideration. Welding can be done without the use of a filler metal by the use of heat energy alone. Welding procedures outofposition welding vertical and overhead when welding outofposition, the molten metal tends to spill out of the joint. Welds are created when the electric arc at the tip of. Metal arc processes utilize consumable electrodes that combine electrode.
The electrode requires selecting the perfect one in order to facilitate easy clean up, weld strength, bead quality, and for minimizing the spatter. 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. Stick electrodes are selfshielded and cut down on the amount of equipment neededno need. Guidelines for welding process selection me mechanical. Stick welder power supply with the electrode holder, ground clamp and welding electrodes. There are a variety of factors that go into choosing the right electrode for each project. Welding electrodes premium super 7 e60 electrode application. Welding made with outofposition electrodes is slow, relatively expensive and require a high degree of operator skill. Weld filler metal selection chart for shielded metal arc welding.
Stick electrodes are available in a wide range of types, each of which provides different mechanical properties. Smaw or stick electrodes are consumable, meaning they. When choosing a welding rod, the welder has to consider the type of welding and the material being welded. High quality welding accessories to boost productivity. Indicates how strong this electrode is when welded. Avesta welding manual preface avesta welding ab is part of a group that is at the forefront of stainless steel technology. To offset this tendency, an electrode with a fast freezing deposit is needed. The first three digits indicated the american iron and steel type of stainless steel. The welding electrode identification system for stainless steel arc welding is set up as follows. Weld filler metal selection chart for shielded metal arc welding smaw for various metal combinations. In this video i have explained about the electrodesfiller metals for the most. The types of electrodes available for stick welding are many, and each of them has their specific use. Smaw or stick electrodes are consumable, meaning they become part of the weld, while tig electrodes are nonconsumable as they do not melt. Jetweld lh110m mr is also a great match for any general fabrication or repair where the weld deposit must meet aws e11018m.
Hindiurdu how to select electrodes or filler metal. 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. There are three different types of coating applied to shielded arc electrodes, which each have different results during the welding process. This guide will help eliminate this variable as a concern in your welding and make it an asset. In welding applications, electricity is drawn through an electrode, creating an arc of electricity at the tip of the electrode. 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. It is an all position welding rod and is best for vertical down welds.
Ac that call for welding high tensile steels such as t1 steel and hy80. 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. 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. This video is about the selection of a suitable electrode or filler metal based on the base material composition. The mild steel and low alloy steel stick electrodes include the following varieties. 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. Print this selection chart and keep it in your work area as a useful reference when selecting the tungsten material for your next project. Electrode selection is critical to ease of cleanup, weld strength, bead quality and for minimizing any spatter. 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.
Sticksmaw stainless steel welding electrode selection choices. Electrode materials vary and include copper, tungsten, and molybdenum. Providing innovative welding products and solutions in new. Among all the other types of welding, the stick electrode welding is considered to be portable, simple and reliable. Resistance welding electrode selection is one of the challenges when starting out in resistance welding. It is easy to strike and restrike and therefore also good for tack welding. 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. Nearly sixty years of experience have gone into producing these premium quality tig welding tungsten electrodes, and you benefit from that experience. Oxyacetylene gas welding process can be used for carbon steel, copper, aluminum, bronze welding, sheet metal welding. Wia accepts no liability for the products selected from this selection. Esab offers an unmatched ability to meet your specialty alloy needs. Revision 01062014 weld filler metal selection chart for shielded metal arc welding smaw for various metal combinations.
Electrodes and equipment selection one of the most common processes for field welding repair is shielded metal arc welding smaw, or stick. 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. Selection of the correct electrode for the job will. 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. Esab is a world leader in specialty alloys, with a portfolio including stainless steel, nickel and highalloy filler metals, strip cladding electrodes and fluxes. Since the welding position is dependent on the manufacturers characteristics of the coating, the third and fourth numbers are often identified together. 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.
When molten metal is exposed to air, it absorbs oxygen and. 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. Stick electrodes are available in a wide range of types, each of which provides different mechanical properties and operates with a specific type of welding power source. The beginners guide to different types of welding rods. Heres what you need to know about this important welding consumable. Lincoln electric is a responsive manufacturer, but the selection and use of specific. Super 7 e60 has a low spatter and smoke, the initial strike and restrike is excellent. Consumers have access to many different types of welding electrodes. A welding rod is used during the welding process to add material into 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.
The last two digits indicate the current and position used. Firstly, there are those with coatings containing cellulose, which uses a layer of gas to protect the weld zone. Our range of high performance electrodes, rods and fluxes offers an optimum solution for every welding application. Stick welding learn basic electrode selection, welding. Welding electrode classifications mild steel coated electrodes e7018x e indicates that this is an electrode 70 indicates how strong this electrode is when welded.
In addition to welding, other ancillary joining methods are discussed, including soldering and brazing. 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. Stick welding, or shielded metal arc welding, has been around more than 100 years.
Selection of right welding electrodes is a quite challenging job because we need to consider many factors while choosing the best alternative. For welding of heat resistant steel, filler material with heat resistant deposit only may be used. Carbon steel ltcs imoat test low and intermediate alloy steel. 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. It is used for welding 304 and 304 grade stainless steel. 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. Stick welding is a skill that takes much practice to master, and selecting the correct electrode for the job can be equally challenging. Selection guide for basic electrodes normal strength rel. Handbook on selection of welding electrodes draft 1.
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