ASMEAmerican Society of Mechanical Engineers (ASME) CodesTheAmerican Society of Mechanical Engineers(ASME)Boiler and Pressure Vessel Code(BPVC) covers all aspects of design and manufacture of boilers and pressure vessels. All sections contain welding specifications, however most relevant information is contained in the following:

CodeDescriptionASME BPVC Section IIPart C: Specifications for Welding Rods, Electrodes, and Filler Metals.ASME BPVC Section VNondestructive ExaminationASME BPVC Section IXWelding and Brazing QualificationsASME B16.25Buttwelding ends magi

AWSAmerican Welding Society (AWS) StandardsTheAmerican Welding Society(AWS) publishes over 240 AWS-developed codes, recommended practices and guides which are written in accordance with American National Standards Institute (ANSI) practices.[2]The following is a partial list of the more common publications:

Standard NumberTitleAWS A02.4Standard symbols for welding, brazing, and non-destructive examinationAWS A03.0Standard welding terms and definitionsAWS A05.1Specification for carbon steel electrodes for shielded metal arc weldingAWS A05.18Specification for carbon steel electrodes and rots for gas shielded arc weldingAWS B01.10Guide for the nondestructive examination of weldsAWS B02.1Specification for Welding Procedure and Performance QualificationAWS D01.1Structural welding (steel)AWS D01.2Structural welding (aluminum)AWS D01.3Structural welding (sheet steel)AWS D01.4Structural welding (reinforcing steel)AWS D01.5Bridge weldingAWS D01.6Structural welding (stainless steel)AWS D01.7Structural welding (strengthening and repair)AWS D01.8Structural welding seismic supplementAWS D01.9Structural welding (titanium)AWS D08.1Automotive spot weldingAWS D08.6Automotive spot welding electrodes supplementAWS D08.7Automotive spot welding recommendations supplementAWS D08.8Automotive arc welding (steel)AWS D08.9Automotive spot weld testingAWS D08.14Automotive arc welding (aluminum)AWS D09.1Sheet metal weldingAWS D10.10Heating practices for pipe and tubeAWS D10.11Root pass welding for pipeAWS D10.12Pipe welding (mild steel)AWS D10.13Tube brazing (copper)AWS D10.18Pipe welding (stainless steel)AWS D11.2Welding (cast iron)AWS D14.1Industrial mill crane weldingAWS D14.3Earthmoving & agricultural equipment weldingAWS D14.4Machinery joint weldingAWS D14.5Press weldingAWS D14.6Industrial mill roll surfacingAWS D15.1Railroad weldingAWS D15.2Railroad welding practice supplementAWS D16.1Robotic arc welding safetyAWS D16.2Robotic arc welding system installationAWS D16.3Robotic arc welding risk assessmentAWS D16.4Robotic arc welder operator qualificationAWS D17.1Aerospace fusion weldingAWS D17.2Aerospace resistance weldingAWS D18.1Hygienic tube welding (stainless steel)AWS D18.2Stainless steel tube discoloration guideAWS D18.3Hygienic equipment welding*The zero after the first letter is only placed there so the table can be sorted. i.e. D01.1 is actually D1.1

APIAmerican Petroleum Institute (API) StandardsTheAmerican Petroleum Institute(API) oldest and most successful programs is in the development of API standards which started with its first standard in 1924. API maintains over 500 standards covering the oil and gas field.[3]The following is a partial list specific to welding:

Standard NumberDescriptionAPI RP 577Welding Inspection and MetallurgyAPI 1104Welding of pipelines and related facilities

CAN-CSACanadian Standards Association (CSA) StandardsTheCanadian Standards Association(CSA) is responsible for the development, maintenance and publication of CSA standards.[5]The following is a partial list specific to welding:

Standard NumberDescriptionCAN/CSA-G401-07Corrugated Steel Pipe ProductsCAN/CSA-ISO 14341:11Welding consumables - Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels -CAN/CSA-W117.2-06 (R2011)Safety in Welding, Cutting and Allied ProcessesG40.20-04/G40.21-04 (R2009)General Requirements for Rolled or Welded Structural Quality Steel/ Structural Quality SteelW178.1-08Certification of Welding Inspection OrganizationsW178.2-08Certification of Welding InspectorsW47.1-09Certification of companies for fusion welding of steelW47.2-11Certification of companies for fusion welding of aluminumW48-06 (R2011)Filler Metals and Allied Materials for Metal Arc WeldingW55.3-08Certification of companies for resistance welding of steel and aluminumW59-13Welded Steel Construction (Metal Arc Welding)W59.2-M1991 (R2008)Welded Aluminum ConstructionZ662-11Oil and Gas Pipeline Systems

AS-NZSAustralian / New Zealand (AS/NZS) StandardsStandards Australiais the body responsible for the development, maintenance and publication of Australian Standards.[4]The following is a partial list specific to welding:

Standard NumberDescriptionAS/NZS 1554.1Structural steel welding - Welding of steel structuresAS/NZS 1554.2Structural steel welding - Stud welding (steel studs to steel)AS/NZS 1554.3Structural steel welding - Welding of reinforcing steelAS/NZS 1554.4Structural steel welding - Welding of high strength quenched and tempered steelsAS/NZS 1554.5Structural steel welding - Welding of steel structures subject to high levels of fatigue loadingAS/NZS 1554.6Structural steel welding - Welding stainless steels for structural purposesAS/NZS 1554.7Structural steel welding - Welding of sheet steel structuresAS/NZS 3992Pressure equipment - Welding and brazing qualification

DINGerman Standards (DINand others)NA 092 is the Standards Committee for welding and allied processes (NAS) at DIN Deutsches Institut fr Normung e. V.[11]The following is a partial list of DIN welding standards:

CodeDescriptionDIN 1910-100Welding; terms dependent on materials for metal weldingSEW 088Schweigeeignete Feinkornbausthle - Richtlinien fr die Verarbeitung besonders fr das Schmelzschweien", Stahlinstitut VDEhMerkblatt DVS 0916Metall-Schutzgasschwien von Feinkornbausthlen", Deutscher Verband fr Schweitechnik e.V.

BSBritish Standards (BS)British Standardsare developed, maintained and published by BSI Standards which is UK's National Standards Body.[6]The following is a partial list of standards specific to welding:

Standard NumberDescriptionBS 499-1Welding terms and symbols. Glossary for welding, brazing and thermal cuttingBS 499-2CWelding terms and symbols. European arc welding symbols in chart formBS 2633Specification for Class I arc welding of ferritic steel pipework for carrying fluidsBS 2971Specification for class II arc welding of carbon steel pipework for carrying fluidsBS 4515-1Specification for welding of steel pipelines on land and offshore - Part 1: Carbon and carbon manganese steel pipelinesBS 4515-2Specification for welding of steel pipelines on land and offshore. Duplex stainless steel pipelinesPD 6705-2Structural use of steel and aluminium. Recommendations for the execution of steel bridges to BS EN 1090-2PD 6705-3Structural use of steel and aluminium. Recommendations for the execution of aluminium structures to BS EN 1090-3

ISOInternational Organization for Standardization (ISO) StandardsInternational Organization for Standardization(ISO) has developed over 18500 standards and over 1100 new standards are published every year.[7]The following is a partial list of the standards specific to welding:

Standard NumberDescriptionISO 2553Welded, brazed and soldered joints - symbolic representation on drawings (1992)ISO 2560Welding consumables. Covered electrodes for manual metal arc welding of non-alloy and fine grain steels. ClassificationISO 3580Covered electrodes for manual arc welding of creep-resisting steels - Code of symbols for identificationISO 3581Covered electrodes for manual arc welding of stainless and other similar high alloy steels - Code of symbols for identificationISO 3834Quality requirements for fusion welding of metallic materials, five parts.ISO 4063Welding and allied processes - Nomenclature of processes and reference numbersISO 5817Welding. Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded). Quality levels for imperfectionsISO 6520-1Welding and allied processes Classification of geometric imperfections in metallic materials Part 1: Fusion weldingISO 6520-2Welding and allied processes Classification of geometric imperfections in metallic materials Part 2: Welding with pressureISO 6947Welds. Working positions. Definitions of angles of slope and rotationISO 9606Qualification test of welders Fusion welding, parts 1 to 5ISO 9692-1Welding and allied processes. Recommendations for joint preparation. Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steelsISO 9692-2Welding and allied processes. Joint preparation. Submerged arc welding of steelsISO 9692-3Welding and allied processes. Joint preparation. Part 3: TIG and MIG welding of aluminium and its alloysISO 13847Petroleum and natural gas industries -Pipeline transportation systems- Welding of pipelinesISO 13916Welding - Guidance on the measurement of preheating temperature, interpass temperature and preheat mainteanance temperatureISO 13918Welding - Studs and ceramic ferrules for arcstud weldingISO 13919-1Welding - Electron and laser-beam welded joints - Guidance on quality level for imperfections - Part 1: SteelISO 13919-2Welding - Electron and laser-beam welded joints - Guidance on quality level for imperfections - Part 2: Aluminium and its weldable alloysISO 13920Welding - General tolerances for welded constructions - Dimensions for lengths and angles - Shape and positionISO 14112Gas welding equipment - Small kits for gas brazing and weldingISO 14175Welding consumables Gases and gas mixtures for fusion welding and allied processes. Replaced EN 439:1994 in Europe.ISO 14341Welding consumables. Wire electrodes and deposits for gas shielded metal arc welding of non alloy and fine grain steels. ClassificationISO 14554Resistance weldingInternational Organization for Standardization (ISO) StandardsInternational Organization for Standardization(ISO) has developed over 18500 standards and over 1100 new standards are published every year.[7]The following is a partial list of the standards specific to welding:

Standard NumberDescriptionISO 14744Electron beam welding, six partsISO 15607Specification and qualification of welding procedures for metallic materials - General rulesISO/TR 15608Welding - Guidelines for a metallic material grouping systemISO 15609Specification and qualification of welding procedures for metallic materials - Welding procedure specification, five parts.ISO 15610Specification and qualification of welding procedures for metallic materials Qualification based on tested welding consumablesISO 15611Specification and qualification of welding procedures for metallic materials Qualification based on previous welding experienceISO 15612Specification and qualification of welding procedures for metallic materials Qualification by adoption of a standard welding procedureISO 15613Specification and qualification of welding procedures for metallic materials Qualification based on pre-production welding testISO 15614Specification and qualification of welding procedures for metallic materials - Welding procedure test, 13 parts.ISO 15615Gas welding equipment. Acetylene manifold systems for welding, cutting and allied processes. Safety requirements in high-pressure devicesISO 15618-1Qualification testing of welders for under-water welding. Diver-welders forhyperbaricwet weldingISO 15618-2Qualification testing of welders for under-water welding. Diver-welders and welding operators forhyperbaricdry weldingISO 17635Non-destructive testing of welds. General rules for metallic materialsISO/TR 20172Welding Grouping systems for materials European materialsISO/TR 20173Welding Grouping systems for materials American materialsISO/TR 20174Welding Grouping systems for materials Japanese materialsISO 24394Welding for aerospace applications. Qualification test for welders and welding operators. Fusion welding of metallic components

EN-CENEuropean Union (CEN) standardsTheEuropean Committee for Standardization(CEN) had issued numerous standards covering welding processes, which unified and replaced former national standards.Of the former national standards, those issued byBSIandDINwere widely used outside their countries of origin.After the Vienna Agreement with ISO, CEN has replaced most of them with equivalent ISO standards (EN ISO series).[8]

Standard NumberDescriptionEN 287-1Qualification test of welders Fusion welding Part 1: Steels[9][10]EN 1090-1Execution of steel structures and aluminium structures - Part 1: Requirements for conformity assessment of structural componentsEN 1090-2Execution of steel structures and aluminium structures - Part 2: Technical requirements for steel structuresEN 1090-3Execution of steel structures and aluminium structures - Part 3: Technical requirements for aluminium structuresEN 1011-1Welding Recommendations for welding of metallic materials Part 1: General guidance for arc weldingEN 1011-2Welding Recommendations for welding of metallic materials Part 2: Arc welding of ferritic steelsEN 1011-3Welding Recommendations for welding of metallic materials Part 3: Arc welding of stainless steelsEN 1011-4Welding Recommendations for welding of metallic materials Part 4: Arc welding of aluminium and aluminium alloysEN 1011-5Welding. Recommendations for welding of metallic materials. Welding of clad steelEN 1011-6Welding. Recommendations for welding of metallic materials. Laser beam weldingEN 1011-7Welding Recommendations for welding of metallic materials Part 7: Electron beam weldingEN 1011-8Welding. Recommendations for welding of metallic materials. Welding of cast ironsEN 1418Welding personnel. Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materialsEN 1708-1Welding. Basic welded joint details in steel. Pressurized components.EN 1708-2Welding. Basic weld joint details in steel. Non-internal pressurized components.EN 1708-3Welding. Basic weld joint details in steel. Clad, buttered and lined pressurized components.EN 1993-1-8Eurocode3: Design of steel structures Part 1-8: General Design of jointsEN 13133Brazing - Brazer approvalEN 22553Welded, brazed and soldered joints Symbolic representation on drawings. (CEN version of ISO 2553)

Additional requirements for welding exist in CEN codes and standards for specific products, like EN 12952, EN 12953,EN 13445, EN 13480, etc.