Figure 32, shielded metal arc welding, also called stick welding, is the most common welding process. Your primary concern as a steelworker will be gas and arc welding, the difference being in. These terms and conditions do not affect your statutory rights. Jul 30, 2015 during a medical operation when a surgeon asks for a scalpel, suction or forceps, every professional in the room knows what those terms mean. Back gouging the removal of weld metal and base metal from the root side of a partially welded joint to facilitate complete fusion and complete joint penetration upon. Inert a group of gasses that are nonreactive to other elements. Intergranular penetration the penetration of filler metal along the grain boundaries of a base metal. The stove pipe or position method of welding pipe, consist of lining up each section, length by length, and welding each joint while the pipe remains stationary. Welcome to the web site operated by hobart institute of welding technology hiwt. Welding terms and definitions dictionary reddarc welder. A highly combustible gas composed of carbon and hydrogen. Electricity that reverses its direction periodically. Arc blow wandering of an electric arc from its normal path because of magnetic forces. Standard welding terms and definitions including terms for adhesive bonding, brazing, soldering, thermal cutting, and thermal spraying supersedes ansiaws a3.
Some of the common terms used to describe parts of the weld joint are found in figure 15. The welding processes differ in the manner in which temperature and pressure are combined and achieved. Qualification, inspection and certification module 2. The weld pool is shielded by the slag, which moves along the full cross section fo the joint as welding progresses. The customer and you means the person or business undertaking the immediate purchase of products andor services from welding alloys group and may not be the final recipient. Welding terms and acronyms oac oxyacetylene cutting. An arc welding process in which shielding gas protects the arc between a nonconsumable tungsten electrode and the base metal.
The joining method chart and corollary classification charts are based. Filler metal is at times used and argon inert gas or inert gas mixtures are used as shielding gas. Aircarbon arc cutting caca a cutting process of an arc, by which metals are melted by the heat using a carbon electrode. The welding process is divided into two major categories. Welding procedure test 3 asme section ix, asme boiler and pressure vessel code. Pdhonline course m564 10pdh welding technology quiz. Equivalent terms are pulsed voltage or pulsed current welding. A joint between two members aligned approximately in the same plane. Glossary of welding terms the canadian institute for non. Quote from page 301, right hand column, 2nd paragraph in special welding processes section under pipe welding found in chapter 29.
One ampere of current will flow through a conductor that has a resistance of one ohm at a potential electrical pressure of one volt. A weld of approximately triangular cross section joining two. A welding process producing coalescence of metals with molten slag, melting fthe filler metal and the surfaces o fthe workpieces. Welding engineering and fabrication terms and definitions. Forehand pushing your welding puddle, giving a shallower penetrating weld. Welding leads the work piece lead and electrode lead of an arc welding circuit. I know you will find it helpful because it will provide you with the definitions of most welding and metalworking terms used in the industry as well as the various welding applications, processes, techniques, and methods. Note 2 all these terms and definitions are also available on the iso online browsing platform obp. Tig welding gtaw or gas tungsten arc welding tig tungsten inert gas, this welding process combines metals by heating them with a tungsten electrode which should not become part of the completed weld. These include helium and argon ar is really a noble.
Filler material is typically added to strengthen the joint. Backhand pulling your welding puddle, giving a deeper penetrating weld. List of all most popular abbreviated welding terms defined. This web site the hiwt web site or the web site provides general information about hiwt and its products free of charge to users in the united states. Pdf standard welding terms and definitions deivis acosta. Welding is a dependable, efficient and economic method for permanently joining similar metals. The companywe site explaining the terms and conditions you are agreeing to when you use andor shop from the companys website. Advance welding is a trading name of advance technical systems limited, registered in england, number 05418471. The process is initiated by an arc that heats the slag. A joint between two workpieces in such a manner that the weld joining the parts is between the surface planes of both of the pieces joined. Cwi standard welding terms and definitions flashcards. Welding wire a form of welding filler metal, normally packaged as coils or spools, that may or may not conduct electrical current depending upon the welding process used. Alphabetical glossary of over 1,400 standard terms and definitions for welding, brazing, soldering, resistance welding, etc.
Pdf documents can contain links and buttons, form fields, audio, video, and business logic. Az of welding terms welding glossary westermans blog. This word refers to other kinds of joining as well. Other terms used to describe welds are given in figure 16.
May 16, 2017 basic terms and definitions of the welding technology for beginners. Externally supplied gas or gas mixtures provide shielding. Carbonarc welding a welding method where fusion is created by an arc between a carbon electrode and the material to be welded. Browse the list of 808 welding abbreviations with their meanings and definitions. American welding society aws a2 committee on definitions and symbols under the direction of the aws technical activities committee approved by the aws board of directors abstract this standard is a glossary of the technical terms used in the welding industry. Pulsed spray welding an arc welding method in which the current in pulsed to utilize the advantages of the spray mode of metal transfer at average currents equal to or less than the globular to spray transition current. Braze welding a welding process where the filler metal is liquefied above 842 f and beneath the base metals solid state. The maximum distance from the face of a convex fillet weld perpendicular to a line joining the weld toes. The deflection of an electric arc from its normal path because of magnetic forces. Welding processes, cutting and inspection knowledge module 4. Learn the welding terms needed to be a successful professional.
Pdf standard welding terms and definitions including. Welding terms and definitions updated may 2020 the following glossary of welding terms of definitions is designed to get anyone quickly up to speed on the welding, brazing, soldering and metal working industry terminology. It does not contain terms and definitions related to specific processes or particular aspects of welding and allied processes that are covered in other parts of this technical report see foreword or in other iso standards. A weld joining two members laying in approximately the same. Active flux submergedarc welding flux from which the amount of elements deposited in the weld metal is dependent upon welding conditions, primarily arc voltage. X some information courtesy of american welding society, lincoln electric and miller welds rental equipment. Terms and definitions from welding terms and definitions published by american welding society a allweldmetal test specimen. To weld is to use intense heat to merge two pieces of metal together.
Each term has one clearly applicable definition, accurately reflecting the terms use in the joining world. The welding is shielded by a blanket of granular, fusible material on the work. Standard welding terms and definitions american welding society. A number the designation number used for analysis of deposit weld metal. The term annealing usually implies relatively slow cooling 4 a group of welding processes in which fusion is obtained by heating with an electric arc or arcs, with or without the use of filler metal. Molten metals are forced away by a blast of forced air. Welding terms and definitions hobart institute of welding. Base metal the material to be formed, welded, brazed, soldered, or cut. Welding terms and symbols communication from the weld designer to the welder is essential to proper completion of most weldments. Gas welding a welding process where a gas flame creates the welding heat. This standard is a glossary of the technical terms used in the welding industry. Apr 24, 2020 an arc welding process in which fusion is produced by heating with an electric arc or arcs between a bare metal electrode or electrodes and the work. This publication is the major product of work done by the subcommittee on definitions in support of that purpose.
Filler metal is obtained from the electrode, and sometimes from a supplementary welding rod. Letter designations of welding, joining, and allied processes. This part of isotr 25901 contains general terms and definitions applicable to welding and allied processes. The first aws document containing welding definitions was prepared by the committee of definitions and chart and approved by the executive committee as. The most common types of welding are resistance welding rw, oxyfuel gas welding ofw, and arc welding aw. Welding symbol a graphical representation of a weld welding technique the details of a welding procedure that are controlled by the welder or welding operator. The pdf is now an open standard, maintained by the international organization for standardization iso. There are many types of welding techniques used to join metals. Welding terminology welding terms and definitions weldall. Jan 08, 2015 listed below are the basic welding terminologies and their detailed definitions, sorted in alphabetical order for the ease of your search about the concerning content. The first aws document containing welding definitions was prepared by the committee. Welding metallurgy, ndt and destructive testing page 2 3 4 6 80 80 87 89 104.
Welding terms and definitions the comprehensive and official listing of welding and cutting terms and definitions. Welding with equipment that requires only occasional or no observation of the welding, and no manual adjustment of the equipment controls. The maximum distance from the face of a concave fillet weld perpendicular to a line joining the toes. An arc welding process which joins metals by heating them with an arc. Key terms and definitions in aws linkedin slideshare. A flammable, volatile liquid used in acetylene cylinders to dissolve and stabilize acetylene under high pressure. Some methods of this process are called mig or co2 welding nonpreferred terms. Intro to welding a weld is made when separate pieces of material to be joined combine and form one piece when heated to a temperature high enough to cause softening or melting. Mig welding is one of the arc welding processes that use the heat created by a dc electric arc to weld. Welding terms glossary abrasive slag used for cleaning or surface roughening. Tmaw tungsten metal arc welding aka tig tungsten inert gas or heliarc gmaw terms. Abrasive slag used for cleaning or surface roughening. This is an important section of the premier welding services ltd.
Oxyfuel gas welding ofw a type of welding that uses heat from the combustion of a mixture of oxygen and a fuel gas, such as acetylene, methylacetylenepropadiene mapp, propane, natural gas, hydrogen, or propylene. The electric arc is created between the tip of the consumable wire that is constantly fed to the electrode and the weld pool on the base metal. A welding process that uses flux cored wire as well as shielding gas. Gmaw terms gmaw gas metal arc welding, aka mig metal inert gas or wire feed welding fcaw flux cored arc welding aws american welding society cfh cubic feet per hour when setting the flowmeter for gmaw and tmaw, you need a minimum of 20cfh. Welding rod a form of welding filler metal, normally packaged in straight lengths, that does not conduct the welding current. Weld metal the portion of a fusion weld that has been completely melted during welding. Its purpose is to establish standard terms to aid in the communication of welding information. This glossary of metalworking and welding terms is exclusively provided by us here at. Plastic welding or pressure welding and fusion welding or nonpressure welding. Glossary of welding terms, definitions and terminology. Handouts for basic welding terminologies and definitions. The minimum distance between the weld root and weld face. Fitter welding is a different type of operation and when youre in the shop, knowing basic welding terminology is a must, so heres your guide to basic welding terminology.