P number, f number and a number in welding asme section ix. And since scores of product lines exist, along with a variety of classification systems, ordering these items can be something of an adventure. Apr 26, 2017 the e means that it is an electrode suitable for arc welding. In stick welding, the filler rod and the electrode are one and the same. Great for job shops, maintenance offices, and welding benches. Arc welding rod chart by type aws class current type welding position weld results mild steel e6010 e6011 dcr dcr, ac f, v, oh, h f, v, oh, h fast freeze, deep penetrating, flat beads, all purpose welding e6012 e60 e6014 dcs,ac dcr,dcs,ac dcs,ac.
The most common welding rod that we use in class at the career center are e6010 and e7018. An electrode or a welding rod is a wire which is made up of wire and is coated. As it melts, the central electrode acts as the filler material to create the new, seamless solid mass. In this video of the longevity learning lab, we explain the differences in stick welding rods from diameter, size, and types. Classification numbers either by jis japanese industrial standards or. It is an all position electrode suitable for pipe welding. Jan 31, 2019 the third digit also indicates that it is an allposition rod. The welding rod chart will be sent to your email as a pdf. There are many types of welding rods, and it would be good to know what each of these welding rods has to offer. Electricity supplied by a welding machine energizes the rod, which is attached to a metal clamp. Every welding rod has a number that is assigned to it based on american welding society aws standards.
By looking at the classification, we already know that the 7018 welding rod is an allposition rod which produces weld beads which can withstand 70,000 pounds of stress per square inch. Please watch the video given below for more clarity on this topic. The aws number gives the welder complete information about the welding rod. Electrode chart part no price per pack size dia packaging usages typical chemical composition mechanical properties of all weld metal as welded e30816 aws a5. The molten weld beads are protected from contamination, moisture, and hydrogen in the atmosphere by the ironcontaining. Welding electrodes premium super 7 e60 electrode application. Ferrous metals which have specified impact test requirements have been assigned group numbers within p numbers. The particular specification involved should be used for specifying filler metals. The gtaw process is a relatively costly method of depositing weld metal, and is usually chosen for weld quality or material thickness and composition limitations, rather than economy. A current is fed through this wire, which helps to join two pieces of metal together firmly. The tensile strength of a welding rod can be determined by the first two numbers in the electrodes name. These rods can be used to weld painted, greasy and rusty steel. For example, e6010 is a 60,000 psi tensile strength electrode while e10018 designates a 100,000 psi tensile strength electrode.
Set of 3 welding rod organizer cases with welding rod 500303 organizer case. P number, f number and a number in welding asme section. Stick welding is also the term of choice in the field for smaw, the acronym for shielded metal arc welding. What do the numbers and letters mean on welding rods. There are also military specifications such as the mile or r types and federal specifications, normally the qqr type and ams specifications. The third welding number shows the directions in which you can use the electrodes. A number grouping has been done on the basis of the chemical composition of the deposited weld metal. There are a lot of different welding electrodes and wires out there. The classification of welding electrodes hg coded welding. The attached tables provide generally accepted electrode selections for the base materials shown, along with process areas that need special consideration. Shielded metal arc welding covered arc welding electrodes.
Includes a full list of our premium welding alloys, wires, and products. The american welding societys specifications are most widely used for specifying bare welding rod and electrode wires. Tigrod products are embossed on opposite ends e2 with the alloy identification. Next will be either a 4 or 5 digit number stamped on the electrode. The first two digits of a 4digit number and the first three digits of 5digit number indicate minimum tensile strength. The classification of welding electrodes what do all the numbers refer to that are printed on electrodes. Base metal grouping for welding procedure and performance. This melts the tip of the rod into the molten pool within the joint on the base metal.
My old arc welding chart click image for larger view. Type of welding current and position of welding aws classification welding current welding position exxxx15 dcep all exxxx16 dcep or ac all exxxx17 dcep or ac all exxxx25 dcep h, f exxxx26 dcep or ac h, f for more details on the usability classifications, refer to aws a 5. All welding rods sold by urethane supply are sold in 12 300 mm long sticks except for the r01 urethane and r06 nylon. Asme pnumbers to reduce the number of welding and brazing procedure qualifications required base metals have been assigned pnumbers by the asme bpvc. Arc welding rod chart by type aws class current type welding position weld results mild steel e6010 e6011 dcr dcr, ac f, v, oh, h f, v, oh, h fast freeze, deep penetrating, flat beads, all purpose welding e6012 e60 e6014 dcs,ac dcr,dcs,ac dcs,ac f, v, oh, h f, v, oh, h f, v, oh, h fillfreeze, low penetration, for poor. S pro is an extra high quality rutile coated general purpose mild steel electrode. Sep 19, 2017 what do the numbers and letters mean on welding rods. Electrodes for welding have numbers stamped on them to identify the type and characteristics of the electrode as specified by the american welding society aws. Vertical, overhead, and horizontal groove welds on plate thicker than 12 are. Easytoweld rutile type electrode for welding in the flat position. The e7018 is a versatile welding rod, frequently used for low and medium carbon steel welding.
Stick welding rods for arc welding explained youtube. The e means that it is an electrode suitable for arc welding. Base metal grouping for welding procedure and performance qualification 1. This is measured in thousands of pounds per square inch. Type aws class current type welding position weld results mild steel e6010 e6011 dcr dcr, ac f, v, oh, h f, v, oh, h fast freeze, deep penetrating, flat beads, all purpose welding e6012 e60 e6014 dcs,ac dcr,dcs,ac dcs,ac f, v, oh, h f, v, oh, h f, v, oh, h fillfreeze, low penetration, for poor fitup, good bead contour, minimum spatter e6020. How to choose the right welding rods welding guide. Either running straight or with a sidetoside motion, the arc needs to be maintained on the leading edge of the puddle. Revision 01062014 weld filler metal selection chart for shielded metal arc welding smaw for various metal combinations. Our range of high performance electrodes, rods and fluxes offers an optimum solution for every welding application. Cast irons has been published as a welding technology guide for studying the weldability of specific steels and. These numbers 1 have been assigned to base metals and filler metals alike, grouping materials to reduce the number of welding procedures and welder performance qualification tests needed to qualify a wide range of materials base metals and filler metals. The 7018 welding rod is sometimes referred to as lowhigh rod.
Indicates how strong this electrode is when welded. How to choose the right welding rods by megustasoldarmucho march 17, 2014 welding is a skill which takes a lot of time to master for one to be good in the art and more challenging is to choose the correct welding electrode that fits the job. Hence, in the case of 7018 welding rod, the weld bead can withstand 70,000 lbs. Welding rods are available in different amounts, and its a good idea to. Discovering the 7018, 60, 6011 and 6010 welding rod sizes. This can be found in asme bpvc section ix, table qw442. These numbers refer to a different characteristic of the rod. Looking at the welding classification tells us that they can both withstand 60,000 pounds of stress per square inch, and theyre both allposition welding rods. We recommend printing this chart out in full color, gloss size 27. Super 7 e60 is a high quality rutile coated general purpose electrode for welding in all positions. The slag is easily detached from fillet and butt welds, in most cases is selflifting.
Welding electrode classifications mild steel coated electrodes e7018x e indicates that this is an electrode 70 indicates how strong this electrode is when welded. Welding consumables consumables are those materials that are used up quickly and need to be replaced. And the best amperage setting depends on a rods diameter. Welding rod sizes and uses what welding rod do i use. The last digit when read in conjunction with the penultimate digit indicates that it has an iron powder low hydrogen coating, so it can be used with ac. Most welding involves ferrousbased metals such as steel and stainless steel. Super 7 e60 has a low spatter and smoke, the initial strike and restrike is excellent. The first two numbers of 7018 correspond to the tensile strength or the stressbearing capability of the weld bead. The electrode is made up of materials which are similar to that of the metals chosen to be welded. The welding rod is the piece of wire connected to the welding machine.
The 6011 and 6010 welding rods are very similar, so many people wonder what the advantages are of using one over the other. In the field, welding electrodes are usually referred to as welding rods so i will use that term here. The following two numbers indicate the tensile strength of the material in the rod when the weld is stress relieved. For example, the lincoln 7018 welding rod numbers show that the tensile strength is 70,000 psi. It consists of an allpurpose filler metal designed for use with direct current dc and suitable for welding pipes. The first two numbers represent a rods tensile strength. The first two welding rod numbers stand for the tensile strength of the filler material. A 18 inch 6010 welding rod works best with an amperage of between 75 and 125 amps. Stick welding smaw shielded metal arc welding electrodes sticksrods are designed for use with specific current types, either ac, dc and some rods can be used with either. These welding rods are referred to as consumable electrodes. If you want to print it out you can either click the image for a larger view and click print or here is my stick welding rod chart in pdf format.
Apr 02, 2020 the american welding societys specifications are most widely used for specifying bare welding rod and electrode wires. In this case that is 60, so the maximum tensile strength of the 6011 and 60 electrode is 60,000 psi. The number code of the electrode is known as its aws, or. North americas largest fleet of welding and positioning equipment welding electrode classifications mild steel coated electrodes e7018x e indicates that this is an electrode 70 indicates how strong this electrode is when welded. The first two numbers of a 4 digit number and the first 3 digits of a 5 digit number indicate the minimum tensile strength in thousands of pounds per square. Sep 04, 2019 the e7018 is a versatile welding rod, frequently used for low and medium carbon steel welding. The energy to form the joint between metal workpieces most often comes from a flame e. The electrode and metal object melt and form a solid on cooling. It is suitable for vertical down welding and to weld dirty steels. What is the meaning of welding electrode code e7018.
Bw vii rod for gas welding, mild steel 245 bw xii rod for gas welding, mild steel 246 fox c 9 mv smaw stick electrode, highalloyed, creep resistant 2117 c 9 mvig gtaw rod, highalloyed, creep resistant 23 c 9 mvig gmaw solid wire, highalloyed, creep resistant 2145. The american welding society aws has a numbering system that offers information about a specific electrode, such as what application it is best used for and how it should be operated for maximum efficacy. It is designed for all passes of api 5lx52 through x70 grade pipe. Among all the other types of welding, the stick electrode welding is considered to be portable, simple and reliable.
The first two or 3 numerical digits represent the tensile strength of the filler material, measured in thousands of pounds per square inch. There are 45 suppliers who sells welding rod numbers on, mainly located in asia. The third number, which is 1, in both of these codes tells you that the rods can be used to weld in. May 07, 2014 in this video of the longevity learning lab, we explain the differences in stick welding rods from diameter, size, and types.
When choosing a welding rod, the welder has to consider the type of welding and the material being welded. Also referred to as a lowhydrogen rod, this electrode has a flux coating with a very low hydrogen content, allowing a minimal amount of hydrogen into the weld puddle. Feb 17, 2011 stick welding electrodesrods numbers, meanings and uses. The layman might be puzzled by the array of letters and numbers that are printed on the end of welding electrodes. Most of the welding rods will use the aws system which stands for. The beginners guide to different types of welding rods. When it comes to polarity due to its coating this welding rod can only be used with a dc current. For this reason, the higher the first two numbers, the higher the strength of the electrode. A welding rod is used during the welding process to add material into the weld zone.
Jul, 2016 an electrode or a welding rod is a wire which is made up of wire and is coated. What you need to know about welding electrodes tulsa. The base metal grouping scheme consists of the p numbers and group numbers. In mma welding, an arc is struck between the electrode and the object in question. Ferrous metals which have specified impact test requirements have been assigned group numbers within pnumbers. An electric arc is produced, generating intense heat. Different stick welding rods are suited to different amperage settings. The american welding societys classification number series for welding electrodes has been adopted by the welding industry.